diff --git a/build.mjs b/build.mjs new file mode 100644 index 0000000..3f224e0 --- /dev/null +++ b/build.mjs @@ -0,0 +1,10 @@ +import * as esbuild from 'esbuild' + +await esbuild.build({ + entryPoints: ['src/index.ts'], + bundle: true, + outdir: 'dist', + platform: 'browser', + format: 'esm', + external: ['fsevents'], +}) \ No newline at end of file diff --git a/dist/index.js b/dist/index.js new file mode 100644 index 0000000..f0beace --- /dev/null +++ b/dist/index.js @@ -0,0 +1,15187 @@ +var __create = Object.create; +var __defProp = Object.defineProperty; +var __getOwnPropDesc = Object.getOwnPropertyDescriptor; +var __getOwnPropNames = Object.getOwnPropertyNames; +var __getProtoOf = Object.getPrototypeOf; +var __hasOwnProp = Object.prototype.hasOwnProperty; +var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value; +var __commonJS = (cb, mod) => function __require() { + return mod || (0, cb[__getOwnPropNames(cb)[0]])((mod = { exports: {} }).exports, mod), mod.exports; +}; +var __copyProps = (to2, from2, except, desc) => { + if (from2 && typeof from2 === "object" || typeof from2 === "function") { + for (let key of __getOwnPropNames(from2)) + if (!__hasOwnProp.call(to2, key) && key !== except) + __defProp(to2, key, { get: () => from2[key], enumerable: !(desc = __getOwnPropDesc(from2, key)) || desc.enumerable }); + } + return to2; +}; +var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps( + // If the importer is in node compatibility mode or this is not an ESM + // file that has been converted to a CommonJS file using a Babel- + // compatible transform (i.e. "__esModule" has not been set), then set + // "default" to the CommonJS "module.exports" for node compatibility. + isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target, + mod +)); +var __publicField = (obj, key, value) => { + __defNormalProp(obj, typeof key !== "symbol" ? key + "" : key, value); + return value; +}; + +// node_modules/incremental-dom/dist/incremental-dom-cjs.js +var require_incremental_dom_cjs = __commonJS({ + "node_modules/incremental-dom/dist/incremental-dom-cjs.js"(exports) { + "use strict"; + Object.defineProperty(exports, "__esModule", { value: true }); + var keyAttributeName = "key"; + function getKeyAttributeName() { + return keyAttributeName; + } + function setKeyAttributeName(name) { + keyAttributeName = name; + } + var inAttributes = false; + var inSkip = false; + var inPatch = false; + function assert(val) { + if (!val) { + throw new Error("Expected value to be defined"); + } + return val; + } + function assertInPatch(functionName) { + if (!inPatch) { + throw new Error("Cannot call " + functionName + "() unless in patch."); + } + } + function assertNoUnclosedTags(openElement, root2) { + if (openElement === root2) { + return; + } + let currentElement2 = openElement; + const openTags = []; + while (currentElement2 && currentElement2 !== root2) { + openTags.push(currentElement2.nodeName.toLowerCase()); + currentElement2 = currentElement2.parentNode; + } + throw new Error("One or more tags were not closed:\n" + openTags.join("\n")); + } + function assertPatchOuterHasParentNode(parent) { + if (!parent) { + console.warn("patchOuter requires the node have a parent if there is a key."); + } + } + function assertNotInAttributes(functionName) { + if (inAttributes) { + throw new Error(functionName + "() can not be called between elementOpenStart() and elementOpenEnd()."); + } + } + function assertNotInSkip(functionName) { + if (inSkip) { + throw new Error(functionName + "() may not be called inside an element that has called skip()."); + } + } + function assertInAttributes(functionName) { + if (!inAttributes) { + throw new Error(functionName + "() can only be called after calling elementOpenStart()."); + } + } + function assertVirtualAttributesClosed() { + if (inAttributes) { + throw new Error("elementOpenEnd() must be called after calling elementOpenStart()."); + } + } + function assertCloseMatchesOpenTag(currentNameOrCtor, nameOrCtor) { + if (currentNameOrCtor !== nameOrCtor) { + throw new Error('Received a call to close "' + nameOrCtor + '" but "' + currentNameOrCtor + '" was open.'); + } + } + function assertNoChildrenDeclaredYet(functionName, previousNode) { + if (previousNode !== null) { + throw new Error(functionName + "() must come before any child declarations inside the current element."); + } + } + function assertPatchElementNoExtras(maybeStartNode, maybeCurrentNode, expectedNextNode, expectedPrevNode) { + const startNode = assert(maybeStartNode); + const currentNode2 = assert(maybeCurrentNode); + const wasUpdated = currentNode2.nextSibling === expectedNextNode && currentNode2.previousSibling === expectedPrevNode; + const wasChanged = currentNode2.nextSibling === startNode.nextSibling && currentNode2.previousSibling === expectedPrevNode; + const wasRemoved = currentNode2 === startNode; + if (!wasUpdated && !wasChanged && !wasRemoved) { + throw new Error("There must be exactly one top level call corresponding to the patched element."); + } + } + function updatePatchContext(newContext) { + inPatch = newContext != null; + } + function setInAttributes(value) { + const previous = inAttributes; + inAttributes = value; + return previous; + } + function setInSkip(value) { + const previous = inSkip; + inSkip = value; + return previous; + } + var hasOwnProperty = Object.prototype.hasOwnProperty; + function Blank() { + } + Blank.prototype = /* @__PURE__ */ Object.create(null); + function has(map3, property) { + return hasOwnProperty.call(map3, property); + } + function createMap() { + return new Blank(); + } + function truncateArray(arr, length) { + while (arr.length > length) { + arr.pop(); + } + } + function createArray(initialAllocationSize) { + const arr = new Array(initialAllocationSize); + truncateArray(arr, 0); + return arr; + } + var symbols = { + default: "__default" + }; + function getNamespace(name) { + if (name.lastIndexOf("xml:", 0) === 0) { + return "http://www.w3.org/XML/1998/namespace"; + } + if (name.lastIndexOf("xlink:", 0) === 0) { + return "http://www.w3.org/1999/xlink"; + } + return null; + } + function applyAttr(el, name, value) { + if (value == null) { + el.removeAttribute(name); + } else { + const attrNS = getNamespace(name); + if (attrNS) { + el.setAttributeNS(attrNS, name, String(value)); + } else { + el.setAttribute(name, String(value)); + } + } + } + function applyProp(el, name, value) { + el[name] = value; + } + function setStyleValue(style, prop, value) { + if (prop.indexOf("-") >= 0) { + style.setProperty(prop, value); + } else { + style[prop] = value; + } + } + function applyStyle(el, name, style) { + assert("style" in el); + const elStyle = el.style; + if (typeof style === "string") { + elStyle.cssText = style; + } else { + elStyle.cssText = ""; + for (const prop in style) { + if (has(style, prop)) { + setStyleValue(elStyle, prop, style[prop]); + } + } + } + } + function applyAttributeTyped(el, name, value) { + const type = typeof value; + if (type === "object" || type === "function") { + applyProp(el, name, value); + } else { + applyAttr(el, name, value); + } + } + var attributes = createMap(); + attributes[symbols.default] = applyAttributeTyped; + attributes["style"] = applyStyle; + function updateAttribute(el, name, value) { + const mutator = attributes[name] || attributes[symbols.default]; + mutator(el, name, value); + } + var notifications = { + nodesCreated: null, + nodesDeleted: null + }; + var Context = class { + constructor() { + this.created = []; + this.deleted = []; + } + markCreated(node) { + this.created.push(node); + } + markDeleted(node) { + this.deleted.push(node); + } + /** + * Notifies about nodes that were created during the patch operation. + */ + notifyChanges() { + if (notifications.nodesCreated && this.created.length > 0) { + notifications.nodesCreated(this.created); + } + if (notifications.nodesDeleted && this.deleted.length > 0) { + notifications.nodesDeleted(this.deleted); + } + } + }; + function isDocumentRoot(node) { + return node.nodeType === 11 || node.nodeType === 9; + } + function isElement(node) { + return node.nodeType === 1; + } + function getAncestry(node, root2) { + const ancestry = []; + let cur = node; + while (cur !== root2) { + const n = assert(cur); + ancestry.push(n); + cur = n.parentNode; + } + return ancestry; + } + var getRootNode = typeof Node !== "undefined" && Node.prototype.getRootNode || function() { + let cur = this; + let prev = cur; + while (cur) { + prev = cur; + cur = cur.parentNode; + } + return prev; + }; + function getActiveElement(node) { + const root2 = getRootNode.call(node); + return isDocumentRoot(root2) ? root2.activeElement : null; + } + function getFocusedPath(node, root2) { + const activeElement = getActiveElement(node); + if (!activeElement || !node.contains(activeElement)) { + return []; + } + return getAncestry(activeElement, root2); + } + function moveBefore(parentNode, node, referenceNode) { + const insertReferenceNode = node.nextSibling; + let cur = referenceNode; + while (cur !== null && cur !== node) { + const next = cur.nextSibling; + parentNode.insertBefore(cur, insertReferenceNode); + cur = next; + } + } + var NodeData = class { + constructor(nameOrCtor, key2, text4) { + this._attrsArr = null; + this.staticsApplied = false; + this.nameOrCtor = nameOrCtor; + this.key = key2; + this.text = text4; + } + hasEmptyAttrsArr() { + const attrs = this._attrsArr; + return !attrs || !attrs.length; + } + getAttrsArr(length) { + return this._attrsArr || (this._attrsArr = createArray(length)); + } + }; + function initData2(node, nameOrCtor, key2, text4) { + const data2 = new NodeData(nameOrCtor, key2, text4); + node["__incrementalDOMData"] = data2; + return data2; + } + function isDataInitialized(node) { + return Boolean(node["__incrementalDOMData"]); + } + function recordAttributes(node, data2) { + const attributes2 = node.attributes; + const length = attributes2.length; + if (!length) { + return; + } + const attrsArr = data2.getAttrsArr(length); + for (let i = 0, j = 0; i < length; i += 1, j += 2) { + const attr2 = attributes2[i]; + const name = attr2.name; + const value = attr2.value; + attrsArr[j] = name; + attrsArr[j + 1] = value; + } + } + function importSingleNode(node, fallbackKey) { + if (node["__incrementalDOMData"]) { + return node["__incrementalDOMData"]; + } + const nodeName = isElement(node) ? node.localName : node.nodeName; + const keyAttrName = getKeyAttributeName(); + const keyAttr = isElement(node) && keyAttrName != null ? node.getAttribute(keyAttrName) : null; + const key2 = isElement(node) ? keyAttr || fallbackKey : null; + const data2 = initData2(node, nodeName, key2); + if (isElement(node)) { + recordAttributes(node, data2); + } + return data2; + } + function importNode(node) { + importSingleNode(node); + for (let child = node.firstChild; child; child = child.nextSibling) { + importNode(child); + } + } + function getData(node, fallbackKey) { + return importSingleNode(node, fallbackKey); + } + function getKey(node) { + assert(node["__incrementalDOMData"]); + return getData(node).key; + } + function clearCache(node) { + node["__incrementalDOMData"] = null; + for (let child = node.firstChild; child; child = child.nextSibling) { + clearCache(child); + } + } + function getNamespaceForTag(tag, parent) { + if (tag === "svg") { + return "http://www.w3.org/2000/svg"; + } + if (tag === "math") { + return "http://www.w3.org/1998/Math/MathML"; + } + if (parent == null) { + return null; + } + if (getData(parent).nameOrCtor === "foreignObject") { + return null; + } + return parent.namespaceURI; + } + function createElement(doc2, parent, nameOrCtor, key2) { + let el; + if (typeof nameOrCtor === "function") { + el = new nameOrCtor(); + } else { + const namespace = getNamespaceForTag(nameOrCtor, parent); + if (namespace) { + el = doc2.createElementNS(namespace, nameOrCtor); + } else { + el = doc2.createElement(nameOrCtor); + } + } + initData2(el, nameOrCtor, key2); + return el; + } + function createText(doc2) { + const node = doc2.createTextNode(""); + initData2(node, "#text", null); + return node; + } + function defaultMatchFn(matchNode, nameOrCtor, expectedNameOrCtor, key2, expectedKey) { + return nameOrCtor == expectedNameOrCtor && key2 == expectedKey; + } + var context = null; + var currentNode = null; + var currentParent = null; + var doc = null; + var focusPath = []; + var matchFn = defaultMatchFn; + var argsBuilder = []; + var attrsBuilder = []; + function getArgsBuilder() { + return argsBuilder; + } + function getAttrsBuilder() { + return attrsBuilder; + } + function matches(matchNode, nameOrCtor, key2) { + const data2 = getData(matchNode, key2); + return matchFn(matchNode, nameOrCtor, data2.nameOrCtor, key2, data2.key); + } + function getMatchingNode(matchNode, nameOrCtor, key2) { + if (!matchNode) { + return null; + } + let cur = matchNode; + do { + if (matches(cur, nameOrCtor, key2)) { + return cur; + } + } while (key2 && (cur = cur.nextSibling)); + return null; + } + function clearUnvisitedDOM(maybeParentNode, startNode, endNode) { + const parentNode = maybeParentNode; + let child = startNode; + while (child !== endNode) { + const next = child.nextSibling; + parentNode.removeChild(child); + context.markDeleted(child); + child = next; + } + } + function getNextNode() { + if (currentNode) { + return currentNode.nextSibling; + } else { + return currentParent.firstChild; + } + } + function enterNode() { + currentParent = currentNode; + currentNode = null; + } + function exitNode() { + clearUnvisitedDOM(currentParent, getNextNode(), null); + currentNode = currentParent; + currentParent = currentParent.parentNode; + } + function nextNode() { + currentNode = getNextNode(); + } + function createNode(nameOrCtor, key2) { + let node; + if (nameOrCtor === "#text") { + node = createText(doc); + } else { + node = createElement(doc, currentParent, nameOrCtor, key2); + } + context.markCreated(node); + return node; + } + function alignWithDOM(nameOrCtor, key2) { + nextNode(); + const existingNode = getMatchingNode(currentNode, nameOrCtor, key2); + const node = existingNode || createNode(nameOrCtor, key2); + if (node === currentNode) { + return; + } + if (focusPath.indexOf(node) >= 0) { + moveBefore(currentParent, node, currentNode); + } else { + currentParent.insertBefore(node, currentNode); + } + currentNode = node; + } + function open(nameOrCtor, key2) { + alignWithDOM(nameOrCtor, key2); + enterNode(); + return currentParent; + } + function close() { + { + setInSkip(false); + } + exitNode(); + return currentNode; + } + function text3() { + alignWithDOM("#text", null); + return currentNode; + } + function currentElement() { + { + assertInPatch("currentElement"); + assertNotInAttributes("currentElement"); + } + return currentParent; + } + function currentPointer() { + { + assertInPatch("currentPointer"); + assertNotInAttributes("currentPointer"); + } + return getNextNode(); + } + function skip2() { + { + assertNoChildrenDeclaredYet("skip", currentNode); + setInSkip(true); + } + currentNode = currentParent.lastChild; + } + function createPatcher(run, patchConfig = {}) { + const { matches: matches2 = defaultMatchFn } = patchConfig; + const f = (node, fn, data2) => { + const prevContext = context; + const prevDoc = doc; + const prevFocusPath = focusPath; + const prevArgsBuilder = argsBuilder; + const prevAttrsBuilder = attrsBuilder; + const prevCurrentNode = currentNode; + const prevCurrentParent = currentParent; + const prevMatchFn = matchFn; + let previousInAttributes = false; + let previousInSkip = false; + doc = node.ownerDocument; + context = new Context(); + matchFn = matches2; + argsBuilder = []; + attrsBuilder = []; + currentNode = null; + currentParent = node.parentNode; + focusPath = getFocusedPath(node, currentParent); + { + previousInAttributes = setInAttributes(false); + previousInSkip = setInSkip(false); + updatePatchContext(context); + } + try { + const retVal = run(node, fn, data2); + { + assertVirtualAttributesClosed(); + } + return retVal; + } finally { + context.notifyChanges(); + doc = prevDoc; + context = prevContext; + matchFn = prevMatchFn; + argsBuilder = prevArgsBuilder; + attrsBuilder = prevAttrsBuilder; + currentNode = prevCurrentNode; + currentParent = prevCurrentParent; + focusPath = prevFocusPath; + { + setInAttributes(previousInAttributes); + setInSkip(previousInSkip); + updatePatchContext(context); + } + } + }; + return f; + } + function createPatchInner(patchConfig) { + return createPatcher((node, fn, data2) => { + currentNode = node; + enterNode(); + fn(data2); + exitNode(); + { + assertNoUnclosedTags(currentNode, node); + } + return node; + }, patchConfig); + } + function createPatchOuter(patchConfig) { + return createPatcher((node, fn, data2) => { + const startNode = { nextSibling: node }; + let expectedNextNode = null; + let expectedPrevNode = null; + { + expectedNextNode = node.nextSibling; + expectedPrevNode = node.previousSibling; + } + currentNode = startNode; + fn(data2); + { + assertPatchOuterHasParentNode(currentParent); + assertPatchElementNoExtras(startNode, currentNode, expectedNextNode, expectedPrevNode); + } + if (currentParent) { + clearUnvisitedDOM(currentParent, getNextNode(), node.nextSibling); + } + return startNode === currentNode ? null : currentNode; + }, patchConfig); + } + var patchInner = createPatchInner(); + var patchOuter = createPatchOuter(); + var buffer = []; + var bufferStart = 0; + function queueChange(fn, a, b, c) { + buffer.push(fn); + buffer.push(a); + buffer.push(b); + buffer.push(c); + } + function flush() { + const start = bufferStart; + const end = buffer.length; + bufferStart = end; + for (let i = start; i < end; i += 4) { + const fn = buffer[i]; + fn(buffer[i + 1], buffer[i + 2], buffer[i + 3]); + } + bufferStart = start; + truncateArray(buffer, start); + } + var prevValuesMap = createMap(); + function calculateDiff(prev, next, updateCtx, updateFn) { + const isNew = !prev.length; + let i = 0; + for (; i < next.length; i += 2) { + const name = next[i]; + if (isNew) { + prev[i] = name; + } else if (prev[i] !== name) { + break; + } + const value = next[i + 1]; + if (isNew || prev[i + 1] !== value) { + prev[i + 1] = value; + queueChange(updateFn, updateCtx, name, value); + } + } + if (i < next.length || i < prev.length) { + const startIndex = i; + for (i = startIndex; i < prev.length; i += 2) { + prevValuesMap[prev[i]] = prev[i + 1]; + } + for (i = startIndex; i < next.length; i += 2) { + const name = next[i]; + const value = next[i + 1]; + if (prevValuesMap[name] !== value) { + queueChange(updateFn, updateCtx, name, value); + } + prev[i] = name; + prev[i + 1] = value; + delete prevValuesMap[name]; + } + truncateArray(prev, next.length); + for (const name in prevValuesMap) { + queueChange(updateFn, updateCtx, name, void 0); + delete prevValuesMap[name]; + } + } + flush(); + } + var ATTRIBUTES_OFFSET = 3; + var prevAttrsMap = createMap(); + function diffAttrs(element, data2) { + const attrsBuilder2 = getAttrsBuilder(); + const prevAttrsArr = data2.getAttrsArr(attrsBuilder2.length); + calculateDiff(prevAttrsArr, attrsBuilder2, element, updateAttribute); + truncateArray(attrsBuilder2, 0); + } + function diffStatics(node, data2, statics) { + if (data2.staticsApplied) { + return; + } + data2.staticsApplied = true; + if (!statics || !statics.length) { + return; + } + if (data2.hasEmptyAttrsArr()) { + for (let i = 0; i < statics.length; i += 2) { + updateAttribute(node, statics[i], statics[i + 1]); + } + return; + } + for (let i = 0; i < statics.length; i += 2) { + prevAttrsMap[statics[i]] = i + 1; + } + const attrsArr = data2.getAttrsArr(0); + let j = 0; + for (let i = 0; i < attrsArr.length; i += 2) { + const name = attrsArr[i]; + const value = attrsArr[i + 1]; + const staticsIndex = prevAttrsMap[name]; + if (staticsIndex) { + if (statics[staticsIndex] === value) { + delete prevAttrsMap[name]; + } + continue; + } + attrsArr[j] = name; + attrsArr[j + 1] = value; + j += 2; + } + truncateArray(attrsArr, j); + for (const name in prevAttrsMap) { + updateAttribute(node, name, statics[prevAttrsMap[name]]); + delete prevAttrsMap[name]; + } + } + function elementOpenStart(nameOrCtor, key2, statics) { + const argsBuilder2 = getArgsBuilder(); + { + assertNotInAttributes("elementOpenStart"); + setInAttributes(true); + } + argsBuilder2[0] = nameOrCtor; + argsBuilder2[1] = key2; + argsBuilder2[2] = statics; + } + function key(key2) { + const argsBuilder2 = getArgsBuilder(); + { + assertInAttributes("key"); + assert(argsBuilder2); + } + argsBuilder2[1] = key2; + } + function attr(name, value) { + const attrsBuilder2 = getAttrsBuilder(); + { + assertInPatch("attr"); + } + attrsBuilder2.push(name); + attrsBuilder2.push(value); + } + function elementOpenEnd() { + const argsBuilder2 = getArgsBuilder(); + { + assertInAttributes("elementOpenEnd"); + setInAttributes(false); + } + const node = open(argsBuilder2[0], argsBuilder2[1]); + const data2 = getData(node); + diffStatics(node, data2, argsBuilder2[2]); + diffAttrs(node, data2); + truncateArray(argsBuilder2, 0); + return node; + } + function elementOpen3(nameOrCtor, key2, statics, ...varArgs) { + { + assertNotInAttributes("elementOpen"); + assertNotInSkip("elementOpen"); + } + elementOpenStart(nameOrCtor, key2, statics); + for (let i = ATTRIBUTES_OFFSET; i < arguments.length; i += 2) { + attr(arguments[i], arguments[i + 1]); + } + return elementOpenEnd(); + } + function applyAttrs() { + const node = currentElement(); + const data2 = getData(node); + diffAttrs(node, data2); + } + function applyStatics(statics) { + const node = currentElement(); + const data2 = getData(node); + diffStatics(node, data2, statics); + } + function elementClose3(nameOrCtor) { + { + assertNotInAttributes("elementClose"); + } + const node = close(); + { + assertCloseMatchesOpenTag(getData(node).nameOrCtor, nameOrCtor); + } + return node; + } + function elementVoid3(nameOrCtor, key2, statics, ...varArgs) { + elementOpen3.apply(null, arguments); + return elementClose3(nameOrCtor); + } + function text$1(value, ...varArgs) { + { + assertNotInAttributes("text"); + assertNotInSkip("text"); + } + const node = text3(); + const data2 = getData(node); + if (data2.text !== value) { + data2.text = value; + let formatted = value; + for (let i = 1; i < arguments.length; i += 1) { + const fn = arguments[i]; + formatted = fn(formatted); + } + if (node.data !== formatted) { + node.data = formatted; + } + } + return node; + } + exports.applyAttr = applyAttr; + exports.applyProp = applyProp; + exports.attributes = attributes; + exports.alignWithDOM = alignWithDOM; + exports.close = close; + exports.createPatchInner = createPatchInner; + exports.createPatchOuter = createPatchOuter; + exports.currentElement = currentElement; + exports.currentPointer = currentPointer; + exports.open = open; + exports.patch = patchInner; + exports.patchInner = patchInner; + exports.patchOuter = patchOuter; + exports.skip = skip2; + exports.skipNode = nextNode; + exports.setKeyAttributeName = setKeyAttributeName; + exports.clearCache = clearCache; + exports.getKey = getKey; + exports.importNode = importNode; + exports.isDataInitialized = isDataInitialized; + exports.notifications = notifications; + exports.symbols = symbols; + exports.applyAttrs = applyAttrs; + exports.applyStatics = applyStatics; + exports.attr = attr; + exports.elementClose = elementClose3; + exports.elementOpen = elementOpen3; + exports.elementOpenEnd = elementOpenEnd; + exports.elementOpenStart = elementOpenStart; + exports.elementVoid = elementVoid3; + exports.key = key; + exports.text = text$1; + } +}); + +// src/index.ts +var import_incremental_dom3 = __toESM(require_incremental_dom_cjs(), 1); + +// node_modules/@kurkle/color/dist/color.esm.js +function round(v) { + return v + 0.5 | 0; +} +var lim = (v, l, h) => Math.max(Math.min(v, h), l); +function p2b(v) { + return lim(round(v * 2.55), 0, 255); +} +function n2b(v) { + return lim(round(v * 255), 0, 255); +} +function b2n(v) { + return lim(round(v / 2.55) / 100, 0, 1); +} +function n2p(v) { + return lim(round(v * 100), 0, 100); +} +var map$1 = { 0: 0, 1: 1, 2: 2, 3: 3, 4: 4, 5: 5, 6: 6, 7: 7, 8: 8, 9: 9, A: 10, B: 11, C: 12, D: 13, E: 14, F: 15, a: 10, b: 11, c: 12, d: 13, e: 14, f: 15 }; +var hex = [..."0123456789ABCDEF"]; +var h1 = (b) => hex[b & 15]; +var h2 = (b) => hex[(b & 240) >> 4] + hex[b & 15]; +var eq = (b) => (b & 240) >> 4 === (b & 15); +var isShort = (v) => eq(v.r) && eq(v.g) && eq(v.b) && eq(v.a); +function hexParse(str) { + var len = str.length; + var ret; + if (str[0] === "#") { + if (len === 4 || len === 5) { + ret = { + r: 255 & map$1[str[1]] * 17, + g: 255 & map$1[str[2]] * 17, + b: 255 & map$1[str[3]] * 17, + a: len === 5 ? map$1[str[4]] * 17 : 255 + }; + } else if (len === 7 || len === 9) { + ret = { + r: map$1[str[1]] << 4 | map$1[str[2]], + g: map$1[str[3]] << 4 | map$1[str[4]], + b: map$1[str[5]] << 4 | map$1[str[6]], + a: len === 9 ? map$1[str[7]] << 4 | map$1[str[8]] : 255 + }; + } + } + return ret; +} +var alpha = (a, f) => a < 255 ? f(a) : ""; +function hexString(v) { + var f = isShort(v) ? h1 : h2; + return v ? "#" + f(v.r) + f(v.g) + f(v.b) + alpha(v.a, f) : void 0; +} +var HUE_RE = /^(hsla?|hwb|hsv)\(\s*([-+.e\d]+)(?:deg)?[\s,]+([-+.e\d]+)%[\s,]+([-+.e\d]+)%(?:[\s,]+([-+.e\d]+)(%)?)?\s*\)$/; +function hsl2rgbn(h, s, l) { + const a = s * Math.min(l, 1 - l); + const f = (n, k = (n + h / 30) % 12) => l - a * Math.max(Math.min(k - 3, 9 - k, 1), -1); + return [f(0), f(8), f(4)]; +} +function hsv2rgbn(h, s, v) { + const f = (n, k = (n + h / 60) % 6) => v - v * s * Math.max(Math.min(k, 4 - k, 1), 0); + return [f(5), f(3), f(1)]; +} +function hwb2rgbn(h, w, b) { + const rgb = hsl2rgbn(h, 1, 0.5); + let i; + if (w + b > 1) { + i = 1 / (w + b); + w *= i; + b *= i; + } + for (i = 0; i < 3; i++) { + rgb[i] *= 1 - w - b; + rgb[i] += w; + } + return rgb; +} +function hueValue(r, g, b, d, max) { + if (r === max) { + return (g - b) / d + (g < b ? 6 : 0); + } + if (g === max) { + return (b - r) / d + 2; + } + return (r - g) / d + 4; +} +function rgb2hsl(v) { + const range = 255; + const r = v.r / range; + const g = v.g / range; + const b = v.b / range; + const max = Math.max(r, g, b); + const min = Math.min(r, g, b); + const l = (max + min) / 2; + let h, s, d; + if (max !== min) { + d = max - min; + s = l > 0.5 ? d / (2 - max - min) : d / (max + min); + h = hueValue(r, g, b, d, max); + h = h * 60 + 0.5; + } + return [h | 0, s || 0, l]; +} +function calln(f, a, b, c) { + return (Array.isArray(a) ? f(a[0], a[1], a[2]) : f(a, b, c)).map(n2b); +} +function hsl2rgb(h, s, l) { + return calln(hsl2rgbn, h, s, l); +} +function hwb2rgb(h, w, b) { + return calln(hwb2rgbn, h, w, b); +} +function hsv2rgb(h, s, v) { + return calln(hsv2rgbn, h, s, v); +} +function hue(h) { + return (h % 360 + 360) % 360; +} +function hueParse(str) { + const m = HUE_RE.exec(str); + let a = 255; + let v; + if (!m) { + return; + } + if (m[5] !== v) { + a = m[6] ? p2b(+m[5]) : n2b(+m[5]); + } + const h = hue(+m[2]); + const p1 = +m[3] / 100; + const p2 = +m[4] / 100; + if (m[1] === "hwb") { + v = hwb2rgb(h, p1, p2); + } else if (m[1] === "hsv") { + v = hsv2rgb(h, p1, p2); + } else { + v = hsl2rgb(h, p1, p2); + } + return { + r: v[0], + g: v[1], + b: v[2], + a + }; +} +function rotate(v, deg) { + var h = rgb2hsl(v); + h[0] = hue(h[0] + deg); + h = hsl2rgb(h); + v.r = h[0]; + v.g = h[1]; + v.b = h[2]; +} +function hslString(v) { + if (!v) { + return; + } + const a = rgb2hsl(v); + const h = a[0]; + const s = n2p(a[1]); + const l = n2p(a[2]); + return v.a < 255 ? `hsla(${h}, ${s}%, ${l}%, ${b2n(v.a)})` : `hsl(${h}, ${s}%, ${l}%)`; +} +var map = { + x: "dark", + Z: "light", + Y: "re", + X: "blu", + W: "gr", + V: "medium", + U: "slate", + A: "ee", + T: "ol", + S: "or", + B: "ra", + C: "lateg", + D: "ights", + R: "in", + Q: "turquois", + E: "hi", + P: "ro", + O: "al", + N: "le", + M: "de", + L: "yello", + F: "en", + K: "ch", + G: "arks", + H: "ea", + I: "ightg", + J: "wh" +}; +var names$1 = { + OiceXe: "f0f8ff", + antiquewEte: "faebd7", + aqua: "ffff", + aquamarRe: "7fffd4", + azuY: "f0ffff", + beige: "f5f5dc", + bisque: "ffe4c4", + black: "0", + blanKedOmond: "ffebcd", + Xe: "ff", + XeviTet: "8a2be2", + bPwn: "a52a2a", + burlywood: "deb887", + caMtXe: "5f9ea0", + KartYuse: "7fff00", + KocTate: "d2691e", + cSO: "ff7f50", + cSnflowerXe: "6495ed", + cSnsilk: "fff8dc", + crimson: "dc143c", + cyan: "ffff", + xXe: "8b", + xcyan: "8b8b", + xgTMnPd: "b8860b", + xWay: "a9a9a9", + xgYF: "6400", + xgYy: "a9a9a9", + xkhaki: "bdb76b", + xmagFta: "8b008b", + xTivegYF: "556b2f", + xSange: "ff8c00", + xScEd: "9932cc", + xYd: "8b0000", + xsOmon: "e9967a", + xsHgYF: "8fbc8f", + xUXe: "483d8b", + xUWay: "2f4f4f", + xUgYy: "2f4f4f", + xQe: "ced1", + xviTet: "9400d3", + dAppRk: "ff1493", + dApskyXe: "bfff", + dimWay: "696969", + dimgYy: "696969", + dodgerXe: "1e90ff", + fiYbrick: "b22222", + flSOwEte: "fffaf0", + foYstWAn: "228b22", + fuKsia: "ff00ff", + gaRsbSo: "dcdcdc", + ghostwEte: "f8f8ff", + gTd: "ffd700", + gTMnPd: "daa520", + Way: "808080", + gYF: "8000", + gYFLw: "adff2f", + gYy: "808080", + honeyMw: "f0fff0", + hotpRk: "ff69b4", + RdianYd: "cd5c5c", + Rdigo: "4b0082", + ivSy: "fffff0", + khaki: "f0e68c", + lavFMr: "e6e6fa", + lavFMrXsh: "fff0f5", + lawngYF: "7cfc00", + NmoncEffon: "fffacd", + ZXe: "add8e6", + ZcSO: "f08080", + Zcyan: "e0ffff", + ZgTMnPdLw: "fafad2", + ZWay: "d3d3d3", + ZgYF: "90ee90", + ZgYy: "d3d3d3", + ZpRk: "ffb6c1", + ZsOmon: "ffa07a", + ZsHgYF: "20b2aa", + ZskyXe: "87cefa", + ZUWay: "778899", + ZUgYy: "778899", + ZstAlXe: "b0c4de", + ZLw: "ffffe0", + lime: "ff00", + limegYF: "32cd32", + lRF: "faf0e6", + magFta: "ff00ff", + maPon: "800000", + VaquamarRe: "66cdaa", + VXe: "cd", + VScEd: "ba55d3", + VpurpN: "9370db", + VsHgYF: "3cb371", + VUXe: "7b68ee", + VsprRggYF: "fa9a", + VQe: "48d1cc", + VviTetYd: "c71585", + midnightXe: "191970", + mRtcYam: "f5fffa", + mistyPse: "ffe4e1", + moccasR: "ffe4b5", + navajowEte: "ffdead", + navy: "80", + Tdlace: "fdf5e6", + Tive: "808000", + TivedBb: "6b8e23", + Sange: "ffa500", + SangeYd: "ff4500", + ScEd: "da70d6", + pOegTMnPd: "eee8aa", + pOegYF: "98fb98", + pOeQe: "afeeee", + pOeviTetYd: "db7093", + papayawEp: "ffefd5", + pHKpuff: "ffdab9", + peru: "cd853f", + pRk: "ffc0cb", + plum: "dda0dd", + powMrXe: "b0e0e6", + purpN: "800080", + YbeccapurpN: "663399", + Yd: "ff0000", + Psybrown: "bc8f8f", + PyOXe: "4169e1", + saddNbPwn: "8b4513", + sOmon: "fa8072", + sandybPwn: "f4a460", + sHgYF: "2e8b57", + sHshell: "fff5ee", + siFna: "a0522d", + silver: "c0c0c0", + skyXe: "87ceeb", + UXe: "6a5acd", + UWay: "708090", + UgYy: "708090", + snow: "fffafa", + sprRggYF: "ff7f", + stAlXe: "4682b4", + tan: "d2b48c", + teO: "8080", + tEstN: "d8bfd8", + tomato: "ff6347", + Qe: "40e0d0", + viTet: "ee82ee", + JHt: "f5deb3", + wEte: "ffffff", + wEtesmoke: "f5f5f5", + Lw: "ffff00", + LwgYF: "9acd32" +}; +function unpack() { + const unpacked = {}; + const keys = Object.keys(names$1); + const tkeys = Object.keys(map); + let i, j, k, ok, nk; + for (i = 0; i < keys.length; i++) { + ok = nk = keys[i]; + for (j = 0; j < tkeys.length; j++) { + k = tkeys[j]; + nk = nk.replace(k, map[k]); + } + k = parseInt(names$1[ok], 16); + unpacked[nk] = [k >> 16 & 255, k >> 8 & 255, k & 255]; + } + return unpacked; +} +var names; +function nameParse(str) { + if (!names) { + names = unpack(); + names.transparent = [0, 0, 0, 0]; + } + const a = names[str.toLowerCase()]; + return a && { + r: a[0], + g: a[1], + b: a[2], + a: a.length === 4 ? a[3] : 255 + }; +} +var RGB_RE = /^rgba?\(\s*([-+.\d]+)(%)?[\s,]+([-+.e\d]+)(%)?[\s,]+([-+.e\d]+)(%)?(?:[\s,/]+([-+.e\d]+)(%)?)?\s*\)$/; +function rgbParse(str) { + const m = RGB_RE.exec(str); + let a = 255; + let r, g, b; + if (!m) { + return; + } + if (m[7] !== r) { + const v = +m[7]; + a = m[8] ? p2b(v) : lim(v * 255, 0, 255); + } + r = +m[1]; + g = +m[3]; + b = +m[5]; + r = 255 & (m[2] ? p2b(r) : lim(r, 0, 255)); + g = 255 & (m[4] ? p2b(g) : lim(g, 0, 255)); + b = 255 & (m[6] ? p2b(b) : lim(b, 0, 255)); + return { + r, + g, + b, + a + }; +} +function rgbString(v) { + return v && (v.a < 255 ? `rgba(${v.r}, ${v.g}, ${v.b}, ${b2n(v.a)})` : `rgb(${v.r}, ${v.g}, ${v.b})`); +} +var to = (v) => v <= 31308e-7 ? v * 12.92 : Math.pow(v, 1 / 2.4) * 1.055 - 0.055; +var from = (v) => v <= 0.04045 ? v / 12.92 : Math.pow((v + 0.055) / 1.055, 2.4); +function interpolate(rgb1, rgb2, t) { + const r = from(b2n(rgb1.r)); + const g = from(b2n(rgb1.g)); + const b = from(b2n(rgb1.b)); + return { + r: n2b(to(r + t * (from(b2n(rgb2.r)) - r))), + g: n2b(to(g + t * (from(b2n(rgb2.g)) - g))), + b: n2b(to(b + t * (from(b2n(rgb2.b)) - b))), + a: rgb1.a + t * (rgb2.a - rgb1.a) + }; +} +function modHSL(v, i, ratio) { + if (v) { + let tmp = rgb2hsl(v); + tmp[i] = Math.max(0, Math.min(tmp[i] + tmp[i] * ratio, i === 0 ? 360 : 1)); + tmp = hsl2rgb(tmp); + v.r = tmp[0]; + v.g = tmp[1]; + v.b = tmp[2]; + } +} +function clone(v, proto) { + return v ? Object.assign(proto || {}, v) : v; +} +function fromObject(input) { + var v = { r: 0, g: 0, b: 0, a: 255 }; + if (Array.isArray(input)) { + if (input.length >= 3) { + v = { r: input[0], g: input[1], b: input[2], a: 255 }; + if (input.length > 3) { + v.a = n2b(input[3]); + } + } + } else { + v = clone(input, { r: 0, g: 0, b: 0, a: 1 }); + v.a = n2b(v.a); + } + return v; +} +function functionParse(str) { + if (str.charAt(0) === "r") { + return rgbParse(str); + } + return hueParse(str); +} +var Color = class { + constructor(input) { + if (input instanceof Color) { + return input; + } + const type = typeof input; + let v; + if (type === "object") { + v = fromObject(input); + } else if (type === "string") { + v = hexParse(input) || nameParse(input) || functionParse(input); + } + this._rgb = v; + this._valid = !!v; + } + get valid() { + return this._valid; + } + get rgb() { + var v = clone(this._rgb); + if (v) { + v.a = b2n(v.a); + } + return v; + } + set rgb(obj) { + this._rgb = fromObject(obj); + } + rgbString() { + return this._valid ? rgbString(this._rgb) : void 0; + } + hexString() { + return this._valid ? hexString(this._rgb) : void 0; + } + hslString() { + return this._valid ? hslString(this._rgb) : void 0; + } + mix(color2, weight) { + if (color2) { + const c1 = this.rgb; + const c2 = color2.rgb; + let w2; + const p = weight === w2 ? 0.5 : weight; + const w = 2 * p - 1; + const a = c1.a - c2.a; + const w1 = ((w * a === -1 ? w : (w + a) / (1 + w * a)) + 1) / 2; + w2 = 1 - w1; + c1.r = 255 & w1 * c1.r + w2 * c2.r + 0.5; + c1.g = 255 & w1 * c1.g + w2 * c2.g + 0.5; + c1.b = 255 & w1 * c1.b + w2 * c2.b + 0.5; + c1.a = p * c1.a + (1 - p) * c2.a; + this.rgb = c1; + } + return this; + } + interpolate(color2, t) { + if (color2) { + this._rgb = interpolate(this._rgb, color2._rgb, t); + } + return this; + } + clone() { + return new Color(this.rgb); + } + alpha(a) { + this._rgb.a = n2b(a); + return this; + } + clearer(ratio) { + const rgb = this._rgb; + rgb.a *= 1 - ratio; + return this; + } + greyscale() { + const rgb = this._rgb; + const val = round(rgb.r * 0.3 + rgb.g * 0.59 + rgb.b * 0.11); + rgb.r = rgb.g = rgb.b = val; + return this; + } + opaquer(ratio) { + const rgb = this._rgb; + rgb.a *= 1 + ratio; + return this; + } + negate() { + const v = this._rgb; + v.r = 255 - v.r; + v.g = 255 - v.g; + v.b = 255 - v.b; + return this; + } + lighten(ratio) { + modHSL(this._rgb, 2, ratio); + return this; + } + darken(ratio) { + modHSL(this._rgb, 2, -ratio); + return this; + } + saturate(ratio) { + modHSL(this._rgb, 1, ratio); + return this; + } + desaturate(ratio) { + modHSL(this._rgb, 1, -ratio); + return this; + } + rotate(deg) { + rotate(this._rgb, deg); + return this; + } +}; + +// node_modules/chart.js/dist/chunks/helpers.segment.js +function noop() { +} +var uid = (() => { + let id = 0; + return () => id++; +})(); +function isNullOrUndef(value) { + return value === null || typeof value === "undefined"; +} +function isArray(value) { + if (Array.isArray && Array.isArray(value)) { + return true; + } + const type = Object.prototype.toString.call(value); + if (type.slice(0, 7) === "[object" && type.slice(-6) === "Array]") { + return true; + } + return false; +} +function isObject(value) { + return value !== null && Object.prototype.toString.call(value) === "[object Object]"; +} +function isNumberFinite(value) { + return (typeof value === "number" || value instanceof Number) && isFinite(+value); +} +function finiteOrDefault(value, defaultValue) { + return isNumberFinite(value) ? value : defaultValue; +} +function valueOrDefault(value, defaultValue) { + return typeof value === "undefined" ? defaultValue : value; +} +var toPercentage = (value, dimension) => typeof value === "string" && value.endsWith("%") ? parseFloat(value) / 100 : +value / dimension; +var toDimension = (value, dimension) => typeof value === "string" && value.endsWith("%") ? parseFloat(value) / 100 * dimension : +value; +function callback(fn, args, thisArg) { + if (fn && typeof fn.call === "function") { + return fn.apply(thisArg, args); + } +} +function each(loopable, fn, thisArg, reverse) { + let i, len, keys; + if (isArray(loopable)) { + len = loopable.length; + if (reverse) { + for (i = len - 1; i >= 0; i--) { + fn.call(thisArg, loopable[i], i); + } + } else { + for (i = 0; i < len; i++) { + fn.call(thisArg, loopable[i], i); + } + } + } else if (isObject(loopable)) { + keys = Object.keys(loopable); + len = keys.length; + for (i = 0; i < len; i++) { + fn.call(thisArg, loopable[keys[i]], keys[i]); + } + } +} +function _elementsEqual(a0, a1) { + let i, ilen, v0, v1; + if (!a0 || !a1 || a0.length !== a1.length) { + return false; + } + for (i = 0, ilen = a0.length; i < ilen; ++i) { + v0 = a0[i]; + v1 = a1[i]; + if (v0.datasetIndex !== v1.datasetIndex || v0.index !== v1.index) { + return false; + } + } + return true; +} +function clone2(source) { + if (isArray(source)) { + return source.map(clone2); + } + if (isObject(source)) { + const target = /* @__PURE__ */ Object.create(null); + const keys = Object.keys(source); + const klen = keys.length; + let k = 0; + for (; k < klen; ++k) { + target[keys[k]] = clone2(source[keys[k]]); + } + return target; + } + return source; +} +function isValidKey(key) { + return [ + "__proto__", + "prototype", + "constructor" + ].indexOf(key) === -1; +} +function _merger(key, target, source, options) { + if (!isValidKey(key)) { + return; + } + const tval = target[key]; + const sval = source[key]; + if (isObject(tval) && isObject(sval)) { + merge(tval, sval, options); + } else { + target[key] = clone2(sval); + } +} +function merge(target, source, options) { + const sources = isArray(source) ? source : [ + source + ]; + const ilen = sources.length; + if (!isObject(target)) { + return target; + } + options = options || {}; + const merger = options.merger || _merger; + let current; + for (let i = 0; i < ilen; ++i) { + current = sources[i]; + if (!isObject(current)) { + continue; + } + const keys = Object.keys(current); + for (let k = 0, klen = keys.length; k < klen; ++k) { + merger(keys[k], target, current, options); + } + } + return target; +} +function mergeIf(target, source) { + return merge(target, source, { + merger: _mergerIf + }); +} +function _mergerIf(key, target, source) { + if (!isValidKey(key)) { + return; + } + const tval = target[key]; + const sval = source[key]; + if (isObject(tval) && isObject(sval)) { + mergeIf(tval, sval); + } else if (!Object.prototype.hasOwnProperty.call(target, key)) { + target[key] = clone2(sval); + } +} +var keyResolvers = { + // Chart.helpers.core resolveObjectKey should resolve empty key to root object + "": (v) => v, + // default resolvers + x: (o) => o.x, + y: (o) => o.y +}; +function _splitKey(key) { + const parts = key.split("."); + const keys = []; + let tmp = ""; + for (const part of parts) { + tmp += part; + if (tmp.endsWith("\\")) { + tmp = tmp.slice(0, -1) + "."; + } else { + keys.push(tmp); + tmp = ""; + } + } + return keys; +} +function _getKeyResolver(key) { + const keys = _splitKey(key); + return (obj) => { + for (const k of keys) { + if (k === "") { + break; + } + obj = obj && obj[k]; + } + return obj; + }; +} +function resolveObjectKey(obj, key) { + const resolver = keyResolvers[key] || (keyResolvers[key] = _getKeyResolver(key)); + return resolver(obj); +} +function _capitalize(str) { + return str.charAt(0).toUpperCase() + str.slice(1); +} +var defined = (value) => typeof value !== "undefined"; +var isFunction = (value) => typeof value === "function"; +var setsEqual = (a, b) => { + if (a.size !== b.size) { + return false; + } + for (const item of a) { + if (!b.has(item)) { + return false; + } + } + return true; +}; +function _isClickEvent(e) { + return e.type === "mouseup" || e.type === "click" || e.type === "contextmenu"; +} +var PI = Math.PI; +var TAU = 2 * PI; +var PITAU = TAU + PI; +var INFINITY = Number.POSITIVE_INFINITY; +var RAD_PER_DEG = PI / 180; +var HALF_PI = PI / 2; +var QUARTER_PI = PI / 4; +var TWO_THIRDS_PI = PI * 2 / 3; +var log10 = Math.log10; +var sign = Math.sign; +function almostEquals(x, y, epsilon) { + return Math.abs(x - y) < epsilon; +} +function niceNum(range) { + const roundedRange = Math.round(range); + range = almostEquals(range, roundedRange, range / 1e3) ? roundedRange : range; + const niceRange = Math.pow(10, Math.floor(log10(range))); + const fraction = range / niceRange; + const niceFraction = fraction <= 1 ? 1 : fraction <= 2 ? 2 : fraction <= 5 ? 5 : 10; + return niceFraction * niceRange; +} +function _factorize(value) { + const result = []; + const sqrt = Math.sqrt(value); + let i; + for (i = 1; i < sqrt; i++) { + if (value % i === 0) { + result.push(i); + result.push(value / i); + } + } + if (sqrt === (sqrt | 0)) { + result.push(sqrt); + } + result.sort((a, b) => a - b).pop(); + return result; +} +function isNumber(n) { + return !isNaN(parseFloat(n)) && isFinite(n); +} +function almostWhole(x, epsilon) { + const rounded = Math.round(x); + return rounded - epsilon <= x && rounded + epsilon >= x; +} +function _setMinAndMaxByKey(array, target, property) { + let i, ilen, value; + for (i = 0, ilen = array.length; i < ilen; i++) { + value = array[i][property]; + if (!isNaN(value)) { + target.min = Math.min(target.min, value); + target.max = Math.max(target.max, value); + } + } +} +function toRadians(degrees) { + return degrees * (PI / 180); +} +function toDegrees(radians) { + return radians * (180 / PI); +} +function _decimalPlaces(x) { + if (!isNumberFinite(x)) { + return; + } + let e = 1; + let p = 0; + while (Math.round(x * e) / e !== x) { + e *= 10; + p++; + } + return p; +} +function getAngleFromPoint(centrePoint, anglePoint) { + const distanceFromXCenter = anglePoint.x - centrePoint.x; + const distanceFromYCenter = anglePoint.y - centrePoint.y; + const radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter); + let angle = Math.atan2(distanceFromYCenter, distanceFromXCenter); + if (angle < -0.5 * PI) { + angle += TAU; + } + return { + angle, + distance: radialDistanceFromCenter + }; +} +function distanceBetweenPoints(pt1, pt2) { + return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2)); +} +function _angleDiff(a, b) { + return (a - b + PITAU) % TAU - PI; +} +function _normalizeAngle(a) { + return (a % TAU + TAU) % TAU; +} +function _angleBetween(angle, start, end, sameAngleIsFullCircle) { + const a = _normalizeAngle(angle); + const s = _normalizeAngle(start); + const e = _normalizeAngle(end); + const angleToStart = _normalizeAngle(s - a); + const angleToEnd = _normalizeAngle(e - a); + const startToAngle = _normalizeAngle(a - s); + const endToAngle = _normalizeAngle(a - e); + return a === s || a === e || sameAngleIsFullCircle && s === e || angleToStart > angleToEnd && startToAngle < endToAngle; +} +function _limitValue(value, min, max) { + return Math.max(min, Math.min(max, value)); +} +function _int16Range(value) { + return _limitValue(value, -32768, 32767); +} +function _isBetween(value, start, end, epsilon = 1e-6) { + return value >= Math.min(start, end) - epsilon && value <= Math.max(start, end) + epsilon; +} +function _lookup(table, value, cmp) { + cmp = cmp || ((index2) => table[index2] < value); + let hi = table.length - 1; + let lo = 0; + let mid; + while (hi - lo > 1) { + mid = lo + hi >> 1; + if (cmp(mid)) { + lo = mid; + } else { + hi = mid; + } + } + return { + lo, + hi + }; +} +var _lookupByKey = (table, key, value, last) => _lookup(table, value, last ? (index2) => { + const ti = table[index2][key]; + return ti < value || ti === value && table[index2 + 1][key] === value; +} : (index2) => table[index2][key] < value); +var _rlookupByKey = (table, key, value) => _lookup(table, value, (index2) => table[index2][key] >= value); +function _filterBetween(values, min, max) { + let start = 0; + let end = values.length; + while (start < end && values[start] < min) { + start++; + } + while (end > start && values[end - 1] > max) { + end--; + } + return start > 0 || end < values.length ? values.slice(start, end) : values; +} +var arrayEvents = [ + "push", + "pop", + "shift", + "splice", + "unshift" +]; +function listenArrayEvents(array, listener) { + if (array._chartjs) { + array._chartjs.listeners.push(listener); + return; + } + Object.defineProperty(array, "_chartjs", { + configurable: true, + enumerable: false, + value: { + listeners: [ + listener + ] + } + }); + arrayEvents.forEach((key) => { + const method = "_onData" + _capitalize(key); + const base = array[key]; + Object.defineProperty(array, key, { + configurable: true, + enumerable: false, + value(...args) { + const res = base.apply(this, args); + array._chartjs.listeners.forEach((object) => { + if (typeof object[method] === "function") { + object[method](...args); + } + }); + return res; + } + }); + }); +} +function unlistenArrayEvents(array, listener) { + const stub = array._chartjs; + if (!stub) { + return; + } + const listeners = stub.listeners; + const index2 = listeners.indexOf(listener); + if (index2 !== -1) { + listeners.splice(index2, 1); + } + if (listeners.length > 0) { + return; + } + arrayEvents.forEach((key) => { + delete array[key]; + }); + delete array._chartjs; +} +function _arrayUnique(items) { + const set2 = new Set(items); + if (set2.size === items.length) { + return items; + } + return Array.from(set2); +} +var requestAnimFrame = function() { + if (typeof window === "undefined") { + return function(callback2) { + return callback2(); + }; + } + return window.requestAnimationFrame; +}(); +function throttled(fn, thisArg) { + let argsToUse = []; + let ticking = false; + return function(...args) { + argsToUse = args; + if (!ticking) { + ticking = true; + requestAnimFrame.call(window, () => { + ticking = false; + fn.apply(thisArg, argsToUse); + }); + } + }; +} +function debounce(fn, delay) { + let timeout; + return function(...args) { + if (delay) { + clearTimeout(timeout); + timeout = setTimeout(fn, delay, args); + } else { + fn.apply(this, args); + } + return delay; + }; +} +var _toLeftRightCenter = (align) => align === "start" ? "left" : align === "end" ? "right" : "center"; +var _alignStartEnd = (align, start, end) => align === "start" ? start : align === "end" ? end : (start + end) / 2; +var _textX = (align, left, right, rtl) => { + const check = rtl ? "left" : "right"; + return align === check ? right : align === "center" ? (left + right) / 2 : left; +}; +function _getStartAndCountOfVisiblePoints(meta, points, animationsDisabled) { + const pointCount = points.length; + let start = 0; + let count = pointCount; + if (meta._sorted) { + const { iScale, _parsed } = meta; + const axis = iScale.axis; + const { min, max, minDefined, maxDefined } = iScale.getUserBounds(); + if (minDefined) { + start = _limitValue(Math.min( + // @ts-expect-error Need to type _parsed + _lookupByKey(_parsed, iScale.axis, min).lo, + // @ts-expect-error Need to fix types on _lookupByKey + animationsDisabled ? pointCount : _lookupByKey(points, axis, iScale.getPixelForValue(min)).lo + ), 0, pointCount - 1); + } + if (maxDefined) { + count = _limitValue(Math.max( + // @ts-expect-error Need to type _parsed + _lookupByKey(_parsed, iScale.axis, max, true).hi + 1, + // @ts-expect-error Need to fix types on _lookupByKey + animationsDisabled ? 0 : _lookupByKey(points, axis, iScale.getPixelForValue(max), true).hi + 1 + ), start, pointCount) - start; + } else { + count = pointCount - start; + } + } + return { + start, + count + }; +} +function _scaleRangesChanged(meta) { + const { xScale, yScale, _scaleRanges } = meta; + const newRanges = { + xmin: xScale.min, + xmax: xScale.max, + ymin: yScale.min, + ymax: yScale.max + }; + if (!_scaleRanges) { + meta._scaleRanges = newRanges; + return true; + } + const changed = _scaleRanges.xmin !== xScale.min || _scaleRanges.xmax !== xScale.max || _scaleRanges.ymin !== yScale.min || _scaleRanges.ymax !== yScale.max; + Object.assign(_scaleRanges, newRanges); + return changed; +} +var atEdge = (t) => t === 0 || t === 1; +var elasticIn = (t, s, p) => -(Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * TAU / p)); +var elasticOut = (t, s, p) => Math.pow(2, -10 * t) * Math.sin((t - s) * TAU / p) + 1; +var effects = { + linear: (t) => t, + easeInQuad: (t) => t * t, + easeOutQuad: (t) => -t * (t - 2), + easeInOutQuad: (t) => (t /= 0.5) < 1 ? 0.5 * t * t : -0.5 * (--t * (t - 2) - 1), + easeInCubic: (t) => t * t * t, + easeOutCubic: (t) => (t -= 1) * t * t + 1, + easeInOutCubic: (t) => (t /= 0.5) < 1 ? 0.5 * t * t * t : 0.5 * ((t -= 2) * t * t + 2), + easeInQuart: (t) => t * t * t * t, + easeOutQuart: (t) => -((t -= 1) * t * t * t - 1), + easeInOutQuart: (t) => (t /= 0.5) < 1 ? 0.5 * t * t * t * t : -0.5 * ((t -= 2) * t * t * t - 2), + easeInQuint: (t) => t * t * t * t * t, + easeOutQuint: (t) => (t -= 1) * t * t * t * t + 1, + easeInOutQuint: (t) => (t /= 0.5) < 1 ? 0.5 * t * t * t * t * t : 0.5 * ((t -= 2) * t * t * t * t + 2), + easeInSine: (t) => -Math.cos(t * HALF_PI) + 1, + easeOutSine: (t) => Math.sin(t * HALF_PI), + easeInOutSine: (t) => -0.5 * (Math.cos(PI * t) - 1), + easeInExpo: (t) => t === 0 ? 0 : Math.pow(2, 10 * (t - 1)), + easeOutExpo: (t) => t === 1 ? 1 : -Math.pow(2, -10 * t) + 1, + easeInOutExpo: (t) => atEdge(t) ? t : t < 0.5 ? 0.5 * Math.pow(2, 10 * (t * 2 - 1)) : 0.5 * (-Math.pow(2, -10 * (t * 2 - 1)) + 2), + easeInCirc: (t) => t >= 1 ? t : -(Math.sqrt(1 - t * t) - 1), + easeOutCirc: (t) => Math.sqrt(1 - (t -= 1) * t), + easeInOutCirc: (t) => (t /= 0.5) < 1 ? -0.5 * (Math.sqrt(1 - t * t) - 1) : 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1), + easeInElastic: (t) => atEdge(t) ? t : elasticIn(t, 0.075, 0.3), + easeOutElastic: (t) => atEdge(t) ? t : elasticOut(t, 0.075, 0.3), + easeInOutElastic(t) { + const s = 0.1125; + const p = 0.45; + return atEdge(t) ? t : t < 0.5 ? 0.5 * elasticIn(t * 2, s, p) : 0.5 + 0.5 * elasticOut(t * 2 - 1, s, p); + }, + easeInBack(t) { + const s = 1.70158; + return t * t * ((s + 1) * t - s); + }, + easeOutBack(t) { + const s = 1.70158; + return (t -= 1) * t * ((s + 1) * t + s) + 1; + }, + easeInOutBack(t) { + let s = 1.70158; + if ((t /= 0.5) < 1) { + return 0.5 * (t * t * (((s *= 1.525) + 1) * t - s)); + } + return 0.5 * ((t -= 2) * t * (((s *= 1.525) + 1) * t + s) + 2); + }, + easeInBounce: (t) => 1 - effects.easeOutBounce(1 - t), + easeOutBounce(t) { + const m = 7.5625; + const d = 2.75; + if (t < 1 / d) { + return m * t * t; + } + if (t < 2 / d) { + return m * (t -= 1.5 / d) * t + 0.75; + } + if (t < 2.5 / d) { + return m * (t -= 2.25 / d) * t + 0.9375; + } + return m * (t -= 2.625 / d) * t + 0.984375; + }, + easeInOutBounce: (t) => t < 0.5 ? effects.easeInBounce(t * 2) * 0.5 : effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5 +}; +function isPatternOrGradient(value) { + if (value && typeof value === "object") { + const type = value.toString(); + return type === "[object CanvasPattern]" || type === "[object CanvasGradient]"; + } + return false; +} +function color(value) { + return isPatternOrGradient(value) ? value : new Color(value); +} +function getHoverColor(value) { + return isPatternOrGradient(value) ? value : new Color(value).saturate(0.5).darken(0.1).hexString(); +} +var numbers = [ + "x", + "y", + "borderWidth", + "radius", + "tension" +]; +var colors = [ + "color", + "borderColor", + "backgroundColor" +]; +function applyAnimationsDefaults(defaults2) { + defaults2.set("animation", { + delay: void 0, + duration: 1e3, + easing: "easeOutQuart", + fn: void 0, + from: void 0, + loop: void 0, + to: void 0, + type: void 0 + }); + defaults2.describe("animation", { + _fallback: false, + _indexable: false, + _scriptable: (name) => name !== "onProgress" && name !== "onComplete" && name !== "fn" + }); + defaults2.set("animations", { + colors: { + type: "color", + properties: colors + }, + numbers: { + type: "number", + properties: numbers + } + }); + defaults2.describe("animations", { + _fallback: "animation" + }); + defaults2.set("transitions", { + active: { + animation: { + duration: 400 + } + }, + resize: { + animation: { + duration: 0 + } + }, + show: { + animations: { + colors: { + from: "transparent" + }, + visible: { + type: "boolean", + duration: 0 + } + } + }, + hide: { + animations: { + colors: { + to: "transparent" + }, + visible: { + type: "boolean", + easing: "linear", + fn: (v) => v | 0 + } + } + } + }); +} +function applyLayoutsDefaults(defaults2) { + defaults2.set("layout", { + autoPadding: true, + padding: { + top: 0, + right: 0, + bottom: 0, + left: 0 + } + }); +} +var intlCache = /* @__PURE__ */ new Map(); +function getNumberFormat(locale, options) { + options = options || {}; + const cacheKey = locale + JSON.stringify(options); + let formatter = intlCache.get(cacheKey); + if (!formatter) { + formatter = new Intl.NumberFormat(locale, options); + intlCache.set(cacheKey, formatter); + } + return formatter; +} +function formatNumber(num, locale, options) { + return getNumberFormat(locale, options).format(num); +} +var formatters = { + values(value) { + return isArray(value) ? value : "" + value; + }, + numeric(tickValue, index2, ticks) { + if (tickValue === 0) { + return "0"; + } + const locale = this.chart.options.locale; + let notation; + let delta = tickValue; + if (ticks.length > 1) { + const maxTick = Math.max(Math.abs(ticks[0].value), Math.abs(ticks[ticks.length - 1].value)); + if (maxTick < 1e-4 || maxTick > 1e15) { + notation = "scientific"; + } + delta = calculateDelta(tickValue, ticks); + } + const logDelta = log10(Math.abs(delta)); + const numDecimal = isNaN(logDelta) ? 1 : Math.max(Math.min(-1 * Math.floor(logDelta), 20), 0); + const options = { + notation, + minimumFractionDigits: numDecimal, + maximumFractionDigits: numDecimal + }; + Object.assign(options, this.options.ticks.format); + return formatNumber(tickValue, locale, options); + }, + logarithmic(tickValue, index2, ticks) { + if (tickValue === 0) { + return "0"; + } + const remain = ticks[index2].significand || tickValue / Math.pow(10, Math.floor(log10(tickValue))); + if ([ + 1, + 2, + 3, + 5, + 10, + 15 + ].includes(remain) || index2 > 0.8 * ticks.length) { + return formatters.numeric.call(this, tickValue, index2, ticks); + } + return ""; + } +}; +function calculateDelta(tickValue, ticks) { + let delta = ticks.length > 3 ? ticks[2].value - ticks[1].value : ticks[1].value - ticks[0].value; + if (Math.abs(delta) >= 1 && tickValue !== Math.floor(tickValue)) { + delta = tickValue - Math.floor(tickValue); + } + return delta; +} +var Ticks = { + formatters +}; +function applyScaleDefaults(defaults2) { + defaults2.set("scale", { + display: true, + offset: false, + reverse: false, + beginAtZero: false, + bounds: "ticks", + grace: 0, + grid: { + display: true, + lineWidth: 1, + drawOnChartArea: true, + drawTicks: true, + tickLength: 8, + tickWidth: (_ctx, options) => options.lineWidth, + tickColor: (_ctx, options) => options.color, + offset: false + }, + border: { + display: true, + dash: [], + dashOffset: 0, + width: 1 + }, + title: { + display: false, + text: "", + padding: { + top: 4, + bottom: 4 + } + }, + ticks: { + minRotation: 0, + maxRotation: 50, + mirror: false, + textStrokeWidth: 0, + textStrokeColor: "", + padding: 3, + display: true, + autoSkip: true, + autoSkipPadding: 3, + labelOffset: 0, + callback: Ticks.formatters.values, + minor: {}, + major: {}, + align: "center", + crossAlign: "near", + showLabelBackdrop: false, + backdropColor: "rgba(255, 255, 255, 0.75)", + backdropPadding: 2 + } + }); + defaults2.route("scale.ticks", "color", "", "color"); + defaults2.route("scale.grid", "color", "", "borderColor"); + defaults2.route("scale.border", "color", "", "borderColor"); + defaults2.route("scale.title", "color", "", "color"); + defaults2.describe("scale", { + _fallback: false, + _scriptable: (name) => !name.startsWith("before") && !name.startsWith("after") && name !== "callback" && name !== "parser", + _indexable: (name) => name !== "borderDash" && name !== "tickBorderDash" && name !== "dash" + }); + defaults2.describe("scales", { + _fallback: "scale" + }); + defaults2.describe("scale.ticks", { + _scriptable: (name) => name !== "backdropPadding" && name !== "callback", + _indexable: (name) => name !== "backdropPadding" + }); +} +var overrides = /* @__PURE__ */ Object.create(null); +var descriptors = /* @__PURE__ */ Object.create(null); +function getScope$1(node, key) { + if (!key) { + return node; + } + const keys = key.split("."); + for (let i = 0, n = keys.length; i < n; ++i) { + const k = keys[i]; + node = node[k] || (node[k] = /* @__PURE__ */ Object.create(null)); + } + return node; +} +function set(root2, scope, values) { + if (typeof scope === "string") { + return merge(getScope$1(root2, scope), values); + } + return merge(getScope$1(root2, ""), scope); +} +var Defaults = class { + constructor(_descriptors2, _appliers) { + this.animation = void 0; + this.backgroundColor = "rgba(0,0,0,0.1)"; + this.borderColor = "rgba(0,0,0,0.1)"; + this.color = "#666"; + this.datasets = {}; + this.devicePixelRatio = (context) => context.chart.platform.getDevicePixelRatio(); + this.elements = {}; + this.events = [ + "mousemove", + "mouseout", + "click", + "touchstart", + "touchmove" + ]; + this.font = { + family: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", + size: 12, + style: "normal", + lineHeight: 1.2, + weight: null + }; + this.hover = {}; + this.hoverBackgroundColor = (ctx, options) => getHoverColor(options.backgroundColor); + this.hoverBorderColor = (ctx, options) => getHoverColor(options.borderColor); + this.hoverColor = (ctx, options) => getHoverColor(options.color); + this.indexAxis = "x"; + this.interaction = { + mode: "nearest", + intersect: true, + includeInvisible: false + }; + this.maintainAspectRatio = true; + this.onHover = null; + this.onClick = null; + this.parsing = true; + this.plugins = {}; + this.responsive = true; + this.scale = void 0; + this.scales = {}; + this.showLine = true; + this.drawActiveElementsOnTop = true; + this.describe(_descriptors2); + this.apply(_appliers); + } + set(scope, values) { + return set(this, scope, values); + } + get(scope) { + return getScope$1(this, scope); + } + describe(scope, values) { + return set(descriptors, scope, values); + } + override(scope, values) { + return set(overrides, scope, values); + } + route(scope, name, targetScope, targetName) { + const scopeObject = getScope$1(this, scope); + const targetScopeObject = getScope$1(this, targetScope); + const privateName = "_" + name; + Object.defineProperties(scopeObject, { + [privateName]: { + value: scopeObject[name], + writable: true + }, + [name]: { + enumerable: true, + get() { + const local = this[privateName]; + const target = targetScopeObject[targetName]; + if (isObject(local)) { + return Object.assign({}, target, local); + } + return valueOrDefault(local, target); + }, + set(value) { + this[privateName] = value; + } + } + }); + } + apply(appliers) { + appliers.forEach((apply) => apply(this)); + } +}; +var defaults = /* @__PURE__ */ new Defaults({ + _scriptable: (name) => !name.startsWith("on"), + _indexable: (name) => name !== "events", + hover: { + _fallback: "interaction" + }, + interaction: { + _scriptable: false, + _indexable: false + } +}, [ + applyAnimationsDefaults, + applyLayoutsDefaults, + applyScaleDefaults +]); +function toFontString(font) { + if (!font || isNullOrUndef(font.size) || isNullOrUndef(font.family)) { + return null; + } + return (font.style ? font.style + " " : "") + (font.weight ? font.weight + " " : "") + font.size + "px " + font.family; +} +function _measureText(ctx, data2, gc, longest, string) { + let textWidth = data2[string]; + if (!textWidth) { + textWidth = data2[string] = ctx.measureText(string).width; + gc.push(string); + } + if (textWidth > longest) { + longest = textWidth; + } + return longest; +} +function _longestText(ctx, font, arrayOfThings, cache) { + cache = cache || {}; + let data2 = cache.data = cache.data || {}; + let gc = cache.garbageCollect = cache.garbageCollect || []; + if (cache.font !== font) { + data2 = cache.data = {}; + gc = cache.garbageCollect = []; + cache.font = font; + } + ctx.save(); + ctx.font = font; + let longest = 0; + const ilen = arrayOfThings.length; + let i, j, jlen, thing, nestedThing; + for (i = 0; i < ilen; i++) { + thing = arrayOfThings[i]; + if (thing !== void 0 && thing !== null && !isArray(thing)) { + longest = _measureText(ctx, data2, gc, longest, thing); + } else if (isArray(thing)) { + for (j = 0, jlen = thing.length; j < jlen; j++) { + nestedThing = thing[j]; + if (nestedThing !== void 0 && nestedThing !== null && !isArray(nestedThing)) { + longest = _measureText(ctx, data2, gc, longest, nestedThing); + } + } + } + } + ctx.restore(); + const gcLen = gc.length / 2; + if (gcLen > arrayOfThings.length) { + for (i = 0; i < gcLen; i++) { + delete data2[gc[i]]; + } + gc.splice(0, gcLen); + } + return longest; +} +function _alignPixel(chart, pixel, width) { + const devicePixelRatio = chart.currentDevicePixelRatio; + const halfWidth = width !== 0 ? Math.max(width / 2, 0.5) : 0; + return Math.round((pixel - halfWidth) * devicePixelRatio) / devicePixelRatio + halfWidth; +} +function clearCanvas(canvas, ctx) { + ctx = ctx || canvas.getContext("2d"); + ctx.save(); + ctx.resetTransform(); + ctx.clearRect(0, 0, canvas.width, canvas.height); + ctx.restore(); +} +function drawPoint(ctx, options, x, y) { + drawPointLegend(ctx, options, x, y, null); +} +function drawPointLegend(ctx, options, x, y, w) { + let type, xOffset, yOffset, size, cornerRadius, width, xOffsetW, yOffsetW; + const style = options.pointStyle; + const rotation = options.rotation; + const radius = options.radius; + let rad = (rotation || 0) * RAD_PER_DEG; + if (style && typeof style === "object") { + type = style.toString(); + if (type === "[object HTMLImageElement]" || type === "[object HTMLCanvasElement]") { + ctx.save(); + ctx.translate(x, y); + ctx.rotate(rad); + ctx.drawImage(style, -style.width / 2, -style.height / 2, style.width, style.height); + ctx.restore(); + return; + } + } + if (isNaN(radius) || radius <= 0) { + return; + } + ctx.beginPath(); + switch (style) { + default: + if (w) { + ctx.ellipse(x, y, w / 2, radius, 0, 0, TAU); + } else { + ctx.arc(x, y, radius, 0, TAU); + } + ctx.closePath(); + break; + case "triangle": + width = w ? w / 2 : radius; + ctx.moveTo(x + Math.sin(rad) * width, y - Math.cos(rad) * radius); + rad += TWO_THIRDS_PI; + ctx.lineTo(x + Math.sin(rad) * width, y - Math.cos(rad) * radius); + rad += TWO_THIRDS_PI; + ctx.lineTo(x + Math.sin(rad) * width, y - Math.cos(rad) * radius); + ctx.closePath(); + break; + case "rectRounded": + cornerRadius = radius * 0.516; + size = radius - cornerRadius; + xOffset = Math.cos(rad + QUARTER_PI) * size; + xOffsetW = Math.cos(rad + QUARTER_PI) * (w ? w / 2 - cornerRadius : size); + yOffset = Math.sin(rad + QUARTER_PI) * size; + yOffsetW = Math.sin(rad + QUARTER_PI) * (w ? w / 2 - cornerRadius : size); + ctx.arc(x - xOffsetW, y - yOffset, cornerRadius, rad - PI, rad - HALF_PI); + ctx.arc(x + yOffsetW, y - xOffset, cornerRadius, rad - HALF_PI, rad); + ctx.arc(x + xOffsetW, y + yOffset, cornerRadius, rad, rad + HALF_PI); + ctx.arc(x - yOffsetW, y + xOffset, cornerRadius, rad + HALF_PI, rad + PI); + ctx.closePath(); + break; + case "rect": + if (!rotation) { + size = Math.SQRT1_2 * radius; + width = w ? w / 2 : size; + ctx.rect(x - width, y - size, 2 * width, 2 * size); + break; + } + rad += QUARTER_PI; + case "rectRot": + xOffsetW = Math.cos(rad) * (w ? w / 2 : radius); + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + yOffsetW = Math.sin(rad) * (w ? w / 2 : radius); + ctx.moveTo(x - xOffsetW, y - yOffset); + ctx.lineTo(x + yOffsetW, y - xOffset); + ctx.lineTo(x + xOffsetW, y + yOffset); + ctx.lineTo(x - yOffsetW, y + xOffset); + ctx.closePath(); + break; + case "crossRot": + rad += QUARTER_PI; + case "cross": + xOffsetW = Math.cos(rad) * (w ? w / 2 : radius); + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + yOffsetW = Math.sin(rad) * (w ? w / 2 : radius); + ctx.moveTo(x - xOffsetW, y - yOffset); + ctx.lineTo(x + xOffsetW, y + yOffset); + ctx.moveTo(x + yOffsetW, y - xOffset); + ctx.lineTo(x - yOffsetW, y + xOffset); + break; + case "star": + xOffsetW = Math.cos(rad) * (w ? w / 2 : radius); + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + yOffsetW = Math.sin(rad) * (w ? w / 2 : radius); + ctx.moveTo(x - xOffsetW, y - yOffset); + ctx.lineTo(x + xOffsetW, y + yOffset); + ctx.moveTo(x + yOffsetW, y - xOffset); + ctx.lineTo(x - yOffsetW, y + xOffset); + rad += QUARTER_PI; + xOffsetW = Math.cos(rad) * (w ? w / 2 : radius); + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + yOffsetW = Math.sin(rad) * (w ? w / 2 : radius); + ctx.moveTo(x - xOffsetW, y - yOffset); + ctx.lineTo(x + xOffsetW, y + yOffset); + ctx.moveTo(x + yOffsetW, y - xOffset); + ctx.lineTo(x - yOffsetW, y + xOffset); + break; + case "line": + xOffset = w ? w / 2 : Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + ctx.moveTo(x - xOffset, y - yOffset); + ctx.lineTo(x + xOffset, y + yOffset); + break; + case "dash": + ctx.moveTo(x, y); + ctx.lineTo(x + Math.cos(rad) * (w ? w / 2 : radius), y + Math.sin(rad) * radius); + break; + case false: + ctx.closePath(); + break; + } + ctx.fill(); + if (options.borderWidth > 0) { + ctx.stroke(); + } +} +function _isPointInArea(point, area, margin) { + margin = margin || 0.5; + return !area || point && point.x > area.left - margin && point.x < area.right + margin && point.y > area.top - margin && point.y < area.bottom + margin; +} +function clipArea(ctx, area) { + ctx.save(); + ctx.beginPath(); + ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top); + ctx.clip(); +} +function unclipArea(ctx) { + ctx.restore(); +} +function _steppedLineTo(ctx, previous, target, flip, mode) { + if (!previous) { + return ctx.lineTo(target.x, target.y); + } + if (mode === "middle") { + const midpoint = (previous.x + target.x) / 2; + ctx.lineTo(midpoint, previous.y); + ctx.lineTo(midpoint, target.y); + } else if (mode === "after" !== !!flip) { + ctx.lineTo(previous.x, target.y); + } else { + ctx.lineTo(target.x, previous.y); + } + ctx.lineTo(target.x, target.y); +} +function _bezierCurveTo(ctx, previous, target, flip) { + if (!previous) { + return ctx.lineTo(target.x, target.y); + } + ctx.bezierCurveTo(flip ? previous.cp1x : previous.cp2x, flip ? previous.cp1y : previous.cp2y, flip ? target.cp2x : target.cp1x, flip ? target.cp2y : target.cp1y, target.x, target.y); +} +function setRenderOpts(ctx, opts) { + if (opts.translation) { + ctx.translate(opts.translation[0], opts.translation[1]); + } + if (!isNullOrUndef(opts.rotation)) { + ctx.rotate(opts.rotation); + } + if (opts.color) { + ctx.fillStyle = opts.color; + } + if (opts.textAlign) { + ctx.textAlign = opts.textAlign; + } + if (opts.textBaseline) { + ctx.textBaseline = opts.textBaseline; + } +} +function decorateText(ctx, x, y, line, opts) { + if (opts.strikethrough || opts.underline) { + const metrics = ctx.measureText(line); + const left = x - metrics.actualBoundingBoxLeft; + const right = x + metrics.actualBoundingBoxRight; + const top = y - metrics.actualBoundingBoxAscent; + const bottom = y + metrics.actualBoundingBoxDescent; + const yDecoration = opts.strikethrough ? (top + bottom) / 2 : bottom; + ctx.strokeStyle = ctx.fillStyle; + ctx.beginPath(); + ctx.lineWidth = opts.decorationWidth || 2; + ctx.moveTo(left, yDecoration); + ctx.lineTo(right, yDecoration); + ctx.stroke(); + } +} +function drawBackdrop(ctx, opts) { + const oldColor = ctx.fillStyle; + ctx.fillStyle = opts.color; + ctx.fillRect(opts.left, opts.top, opts.width, opts.height); + ctx.fillStyle = oldColor; +} +function renderText(ctx, text3, x, y, font, opts = {}) { + const lines = isArray(text3) ? text3 : [ + text3 + ]; + const stroke = opts.strokeWidth > 0 && opts.strokeColor !== ""; + let i, line; + ctx.save(); + ctx.font = font.string; + setRenderOpts(ctx, opts); + for (i = 0; i < lines.length; ++i) { + line = lines[i]; + if (opts.backdrop) { + drawBackdrop(ctx, opts.backdrop); + } + if (stroke) { + if (opts.strokeColor) { + ctx.strokeStyle = opts.strokeColor; + } + if (!isNullOrUndef(opts.strokeWidth)) { + ctx.lineWidth = opts.strokeWidth; + } + ctx.strokeText(line, x, y, opts.maxWidth); + } + ctx.fillText(line, x, y, opts.maxWidth); + decorateText(ctx, x, y, line, opts); + y += Number(font.lineHeight); + } + ctx.restore(); +} +function addRoundedRectPath(ctx, rect) { + const { x, y, w, h, radius } = rect; + ctx.arc(x + radius.topLeft, y + radius.topLeft, radius.topLeft, -HALF_PI, PI, true); + ctx.lineTo(x, y + h - radius.bottomLeft); + ctx.arc(x + radius.bottomLeft, y + h - radius.bottomLeft, radius.bottomLeft, PI, HALF_PI, true); + ctx.lineTo(x + w - radius.bottomRight, y + h); + ctx.arc(x + w - radius.bottomRight, y + h - radius.bottomRight, radius.bottomRight, HALF_PI, 0, true); + ctx.lineTo(x + w, y + radius.topRight); + ctx.arc(x + w - radius.topRight, y + radius.topRight, radius.topRight, 0, -HALF_PI, true); + ctx.lineTo(x + radius.topLeft, y); +} +var LINE_HEIGHT = /^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/; +var FONT_STYLE = /^(normal|italic|initial|inherit|unset|(oblique( -?[0-9]?[0-9]deg)?))$/; +function toLineHeight(value, size) { + const matches = ("" + value).match(LINE_HEIGHT); + if (!matches || matches[1] === "normal") { + return size * 1.2; + } + value = +matches[2]; + switch (matches[3]) { + case "px": + return value; + case "%": + value /= 100; + break; + } + return size * value; +} +var numberOrZero = (v) => +v || 0; +function _readValueToProps(value, props) { + const ret = {}; + const objProps = isObject(props); + const keys = objProps ? Object.keys(props) : props; + const read = isObject(value) ? objProps ? (prop) => valueOrDefault(value[prop], value[props[prop]]) : (prop) => value[prop] : () => value; + for (const prop of keys) { + ret[prop] = numberOrZero(read(prop)); + } + return ret; +} +function toTRBL(value) { + return _readValueToProps(value, { + top: "y", + right: "x", + bottom: "y", + left: "x" + }); +} +function toTRBLCorners(value) { + return _readValueToProps(value, [ + "topLeft", + "topRight", + "bottomLeft", + "bottomRight" + ]); +} +function toPadding(value) { + const obj = toTRBL(value); + obj.width = obj.left + obj.right; + obj.height = obj.top + obj.bottom; + return obj; +} +function toFont(options, fallback) { + options = options || {}; + fallback = fallback || defaults.font; + let size = valueOrDefault(options.size, fallback.size); + if (typeof size === "string") { + size = parseInt(size, 10); + } + let style = valueOrDefault(options.style, fallback.style); + if (style && !("" + style).match(FONT_STYLE)) { + console.warn('Invalid font style specified: "' + style + '"'); + style = void 0; + } + const font = { + family: valueOrDefault(options.family, fallback.family), + lineHeight: toLineHeight(valueOrDefault(options.lineHeight, fallback.lineHeight), size), + size, + style, + weight: valueOrDefault(options.weight, fallback.weight), + string: "" + }; + font.string = toFontString(font); + return font; +} +function resolve(inputs, context, index2, info) { + let cacheable = true; + let i, ilen, value; + for (i = 0, ilen = inputs.length; i < ilen; ++i) { + value = inputs[i]; + if (value === void 0) { + continue; + } + if (context !== void 0 && typeof value === "function") { + value = value(context); + cacheable = false; + } + if (index2 !== void 0 && isArray(value)) { + value = value[index2 % value.length]; + cacheable = false; + } + if (value !== void 0) { + if (info && !cacheable) { + info.cacheable = false; + } + return value; + } + } +} +function _addGrace(minmax, grace, beginAtZero) { + const { min, max } = minmax; + const change = toDimension(grace, (max - min) / 2); + const keepZero = (value, add) => beginAtZero && value === 0 ? 0 : value + add; + return { + min: keepZero(min, -Math.abs(change)), + max: keepZero(max, change) + }; +} +function createContext(parentContext, context) { + return Object.assign(Object.create(parentContext), context); +} +function _createResolver(scopes, prefixes = [ + "" +], rootScopes, fallback, getTarget = () => scopes[0]) { + const finalRootScopes = rootScopes || scopes; + if (typeof fallback === "undefined") { + fallback = _resolve("_fallback", scopes); + } + const cache = { + [Symbol.toStringTag]: "Object", + _cacheable: true, + _scopes: scopes, + _rootScopes: finalRootScopes, + _fallback: fallback, + _getTarget: getTarget, + override: (scope) => _createResolver([ + scope, + ...scopes + ], prefixes, finalRootScopes, fallback) + }; + return new Proxy(cache, { + /** + * A trap for the delete operator. + */ + deleteProperty(target, prop) { + delete target[prop]; + delete target._keys; + delete scopes[0][prop]; + return true; + }, + /** + * A trap for getting property values. + */ + get(target, prop) { + return _cached(target, prop, () => _resolveWithPrefixes(prop, prefixes, scopes, target)); + }, + /** + * A trap for Object.getOwnPropertyDescriptor. + * Also used by Object.hasOwnProperty. + */ + getOwnPropertyDescriptor(target, prop) { + return Reflect.getOwnPropertyDescriptor(target._scopes[0], prop); + }, + /** + * A trap for Object.getPrototypeOf. + */ + getPrototypeOf() { + return Reflect.getPrototypeOf(scopes[0]); + }, + /** + * A trap for the in operator. + */ + has(target, prop) { + return getKeysFromAllScopes(target).includes(prop); + }, + /** + * A trap for Object.getOwnPropertyNames and Object.getOwnPropertySymbols. + */ + ownKeys(target) { + return getKeysFromAllScopes(target); + }, + /** + * A trap for setting property values. + */ + set(target, prop, value) { + const storage = target._storage || (target._storage = getTarget()); + target[prop] = storage[prop] = value; + delete target._keys; + return true; + } + }); +} +function _attachContext(proxy, context, subProxy, descriptorDefaults) { + const cache = { + _cacheable: false, + _proxy: proxy, + _context: context, + _subProxy: subProxy, + _stack: /* @__PURE__ */ new Set(), + _descriptors: _descriptors(proxy, descriptorDefaults), + setContext: (ctx) => _attachContext(proxy, ctx, subProxy, descriptorDefaults), + override: (scope) => _attachContext(proxy.override(scope), context, subProxy, descriptorDefaults) + }; + return new Proxy(cache, { + /** + * A trap for the delete operator. + */ + deleteProperty(target, prop) { + delete target[prop]; + delete proxy[prop]; + return true; + }, + /** + * A trap for getting property values. + */ + get(target, prop, receiver) { + return _cached(target, prop, () => _resolveWithContext(target, prop, receiver)); + }, + /** + * A trap for Object.getOwnPropertyDescriptor. + * Also used by Object.hasOwnProperty. + */ + getOwnPropertyDescriptor(target, prop) { + return target._descriptors.allKeys ? Reflect.has(proxy, prop) ? { + enumerable: true, + configurable: true + } : void 0 : Reflect.getOwnPropertyDescriptor(proxy, prop); + }, + /** + * A trap for Object.getPrototypeOf. + */ + getPrototypeOf() { + return Reflect.getPrototypeOf(proxy); + }, + /** + * A trap for the in operator. + */ + has(target, prop) { + return Reflect.has(proxy, prop); + }, + /** + * A trap for Object.getOwnPropertyNames and Object.getOwnPropertySymbols. + */ + ownKeys() { + return Reflect.ownKeys(proxy); + }, + /** + * A trap for setting property values. + */ + set(target, prop, value) { + proxy[prop] = value; + delete target[prop]; + return true; + } + }); +} +function _descriptors(proxy, defaults2 = { + scriptable: true, + indexable: true +}) { + const { _scriptable = defaults2.scriptable, _indexable = defaults2.indexable, _allKeys = defaults2.allKeys } = proxy; + return { + allKeys: _allKeys, + scriptable: _scriptable, + indexable: _indexable, + isScriptable: isFunction(_scriptable) ? _scriptable : () => _scriptable, + isIndexable: isFunction(_indexable) ? _indexable : () => _indexable + }; +} +var readKey = (prefix, name) => prefix ? prefix + _capitalize(name) : name; +var needsSubResolver = (prop, value) => isObject(value) && prop !== "adapters" && (Object.getPrototypeOf(value) === null || value.constructor === Object); +function _cached(target, prop, resolve2) { + if (Object.prototype.hasOwnProperty.call(target, prop)) { + return target[prop]; + } + const value = resolve2(); + target[prop] = value; + return value; +} +function _resolveWithContext(target, prop, receiver) { + const { _proxy, _context, _subProxy, _descriptors: descriptors2 } = target; + let value = _proxy[prop]; + if (isFunction(value) && descriptors2.isScriptable(prop)) { + value = _resolveScriptable(prop, value, target, receiver); + } + if (isArray(value) && value.length) { + value = _resolveArray(prop, value, target, descriptors2.isIndexable); + } + if (needsSubResolver(prop, value)) { + value = _attachContext(value, _context, _subProxy && _subProxy[prop], descriptors2); + } + return value; +} +function _resolveScriptable(prop, getValue, target, receiver) { + const { _proxy, _context, _subProxy, _stack } = target; + if (_stack.has(prop)) { + throw new Error("Recursion detected: " + Array.from(_stack).join("->") + "->" + prop); + } + _stack.add(prop); + let value = getValue(_context, _subProxy || receiver); + _stack.delete(prop); + if (needsSubResolver(prop, value)) { + value = createSubResolver(_proxy._scopes, _proxy, prop, value); + } + return value; +} +function _resolveArray(prop, value, target, isIndexable) { + const { _proxy, _context, _subProxy, _descriptors: descriptors2 } = target; + if (typeof _context.index !== "undefined" && isIndexable(prop)) { + return value[_context.index % value.length]; + } else if (isObject(value[0])) { + const arr = value; + const scopes = _proxy._scopes.filter((s) => s !== arr); + value = []; + for (const item of arr) { + const resolver = createSubResolver(scopes, _proxy, prop, item); + value.push(_attachContext(resolver, _context, _subProxy && _subProxy[prop], descriptors2)); + } + } + return value; +} +function resolveFallback(fallback, prop, value) { + return isFunction(fallback) ? fallback(prop, value) : fallback; +} +var getScope = (key, parent) => key === true ? parent : typeof key === "string" ? resolveObjectKey(parent, key) : void 0; +function addScopes(set2, parentScopes, key, parentFallback, value) { + for (const parent of parentScopes) { + const scope = getScope(key, parent); + if (scope) { + set2.add(scope); + const fallback = resolveFallback(scope._fallback, key, value); + if (typeof fallback !== "undefined" && fallback !== key && fallback !== parentFallback) { + return fallback; + } + } else if (scope === false && typeof parentFallback !== "undefined" && key !== parentFallback) { + return null; + } + } + return false; +} +function createSubResolver(parentScopes, resolver, prop, value) { + const rootScopes = resolver._rootScopes; + const fallback = resolveFallback(resolver._fallback, prop, value); + const allScopes = [ + ...parentScopes, + ...rootScopes + ]; + const set2 = /* @__PURE__ */ new Set(); + set2.add(value); + let key = addScopesFromKey(set2, allScopes, prop, fallback || prop, value); + if (key === null) { + return false; + } + if (typeof fallback !== "undefined" && fallback !== prop) { + key = addScopesFromKey(set2, allScopes, fallback, key, value); + if (key === null) { + return false; + } + } + return _createResolver(Array.from(set2), [ + "" + ], rootScopes, fallback, () => subGetTarget(resolver, prop, value)); +} +function addScopesFromKey(set2, allScopes, key, fallback, item) { + while (key) { + key = addScopes(set2, allScopes, key, fallback, item); + } + return key; +} +function subGetTarget(resolver, prop, value) { + const parent = resolver._getTarget(); + if (!(prop in parent)) { + parent[prop] = {}; + } + const target = parent[prop]; + if (isArray(target) && isObject(value)) { + return value; + } + return target || {}; +} +function _resolveWithPrefixes(prop, prefixes, scopes, proxy) { + let value; + for (const prefix of prefixes) { + value = _resolve(readKey(prefix, prop), scopes); + if (typeof value !== "undefined") { + return needsSubResolver(prop, value) ? createSubResolver(scopes, proxy, prop, value) : value; + } + } +} +function _resolve(key, scopes) { + for (const scope of scopes) { + if (!scope) { + continue; + } + const value = scope[key]; + if (typeof value !== "undefined") { + return value; + } + } +} +function getKeysFromAllScopes(target) { + let keys = target._keys; + if (!keys) { + keys = target._keys = resolveKeysFromAllScopes(target._scopes); + } + return keys; +} +function resolveKeysFromAllScopes(scopes) { + const set2 = /* @__PURE__ */ new Set(); + for (const scope of scopes) { + for (const key of Object.keys(scope).filter((k) => !k.startsWith("_"))) { + set2.add(key); + } + } + return Array.from(set2); +} +function _parseObjectDataRadialScale(meta, data2, start, count) { + const { iScale } = meta; + const { key = "r" } = this._parsing; + const parsed = new Array(count); + let i, ilen, index2, item; + for (i = 0, ilen = count; i < ilen; ++i) { + index2 = i + start; + item = data2[index2]; + parsed[i] = { + r: iScale.parse(resolveObjectKey(item, key), index2) + }; + } + return parsed; +} +var EPSILON = Number.EPSILON || 1e-14; +var getPoint = (points, i) => i < points.length && !points[i].skip && points[i]; +var getValueAxis = (indexAxis) => indexAxis === "x" ? "y" : "x"; +function splineCurve(firstPoint, middlePoint, afterPoint, t) { + const previous = firstPoint.skip ? middlePoint : firstPoint; + const current = middlePoint; + const next = afterPoint.skip ? middlePoint : afterPoint; + const d01 = distanceBetweenPoints(current, previous); + const d12 = distanceBetweenPoints(next, current); + let s01 = d01 / (d01 + d12); + let s12 = d12 / (d01 + d12); + s01 = isNaN(s01) ? 0 : s01; + s12 = isNaN(s12) ? 0 : s12; + const fa = t * s01; + const fb = t * s12; + return { + previous: { + x: current.x - fa * (next.x - previous.x), + y: current.y - fa * (next.y - previous.y) + }, + next: { + x: current.x + fb * (next.x - previous.x), + y: current.y + fb * (next.y - previous.y) + } + }; +} +function monotoneAdjust(points, deltaK, mK) { + const pointsLen = points.length; + let alphaK, betaK, tauK, squaredMagnitude, pointCurrent; + let pointAfter = getPoint(points, 0); + for (let i = 0; i < pointsLen - 1; ++i) { + pointCurrent = pointAfter; + pointAfter = getPoint(points, i + 1); + if (!pointCurrent || !pointAfter) { + continue; + } + if (almostEquals(deltaK[i], 0, EPSILON)) { + mK[i] = mK[i + 1] = 0; + continue; + } + alphaK = mK[i] / deltaK[i]; + betaK = mK[i + 1] / deltaK[i]; + squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2); + if (squaredMagnitude <= 9) { + continue; + } + tauK = 3 / Math.sqrt(squaredMagnitude); + mK[i] = alphaK * tauK * deltaK[i]; + mK[i + 1] = betaK * tauK * deltaK[i]; + } +} +function monotoneCompute(points, mK, indexAxis = "x") { + const valueAxis = getValueAxis(indexAxis); + const pointsLen = points.length; + let delta, pointBefore, pointCurrent; + let pointAfter = getPoint(points, 0); + for (let i = 0; i < pointsLen; ++i) { + pointBefore = pointCurrent; + pointCurrent = pointAfter; + pointAfter = getPoint(points, i + 1); + if (!pointCurrent) { + continue; + } + const iPixel = pointCurrent[indexAxis]; + const vPixel = pointCurrent[valueAxis]; + if (pointBefore) { + delta = (iPixel - pointBefore[indexAxis]) / 3; + pointCurrent[`cp1${indexAxis}`] = iPixel - delta; + pointCurrent[`cp1${valueAxis}`] = vPixel - delta * mK[i]; + } + if (pointAfter) { + delta = (pointAfter[indexAxis] - iPixel) / 3; + pointCurrent[`cp2${indexAxis}`] = iPixel + delta; + pointCurrent[`cp2${valueAxis}`] = vPixel + delta * mK[i]; + } + } +} +function splineCurveMonotone(points, indexAxis = "x") { + const valueAxis = getValueAxis(indexAxis); + const pointsLen = points.length; + const deltaK = Array(pointsLen).fill(0); + const mK = Array(pointsLen); + let i, pointBefore, pointCurrent; + let pointAfter = getPoint(points, 0); + for (i = 0; i < pointsLen; ++i) { + pointBefore = pointCurrent; + pointCurrent = pointAfter; + pointAfter = getPoint(points, i + 1); + if (!pointCurrent) { + continue; + } + if (pointAfter) { + const slopeDelta = pointAfter[indexAxis] - pointCurrent[indexAxis]; + deltaK[i] = slopeDelta !== 0 ? (pointAfter[valueAxis] - pointCurrent[valueAxis]) / slopeDelta : 0; + } + mK[i] = !pointBefore ? deltaK[i] : !pointAfter ? deltaK[i - 1] : sign(deltaK[i - 1]) !== sign(deltaK[i]) ? 0 : (deltaK[i - 1] + deltaK[i]) / 2; + } + monotoneAdjust(points, deltaK, mK); + monotoneCompute(points, mK, indexAxis); +} +function capControlPoint(pt, min, max) { + return Math.max(Math.min(pt, max), min); +} +function capBezierPoints(points, area) { + let i, ilen, point, inArea, inAreaPrev; + let inAreaNext = _isPointInArea(points[0], area); + for (i = 0, ilen = points.length; i < ilen; ++i) { + inAreaPrev = inArea; + inArea = inAreaNext; + inAreaNext = i < ilen - 1 && _isPointInArea(points[i + 1], area); + if (!inArea) { + continue; + } + point = points[i]; + if (inAreaPrev) { + point.cp1x = capControlPoint(point.cp1x, area.left, area.right); + point.cp1y = capControlPoint(point.cp1y, area.top, area.bottom); + } + if (inAreaNext) { + point.cp2x = capControlPoint(point.cp2x, area.left, area.right); + point.cp2y = capControlPoint(point.cp2y, area.top, area.bottom); + } + } +} +function _updateBezierControlPoints(points, options, area, loop, indexAxis) { + let i, ilen, point, controlPoints; + if (options.spanGaps) { + points = points.filter((pt) => !pt.skip); + } + if (options.cubicInterpolationMode === "monotone") { + splineCurveMonotone(points, indexAxis); + } else { + let prev = loop ? points[points.length - 1] : points[0]; + for (i = 0, ilen = points.length; i < ilen; ++i) { + point = points[i]; + controlPoints = splineCurve(prev, point, points[Math.min(i + 1, ilen - (loop ? 0 : 1)) % ilen], options.tension); + point.cp1x = controlPoints.previous.x; + point.cp1y = controlPoints.previous.y; + point.cp2x = controlPoints.next.x; + point.cp2y = controlPoints.next.y; + prev = point; + } + } + if (options.capBezierPoints) { + capBezierPoints(points, area); + } +} +function _isDomSupported() { + return typeof window !== "undefined" && typeof document !== "undefined"; +} +function _getParentNode(domNode) { + let parent = domNode.parentNode; + if (parent && parent.toString() === "[object ShadowRoot]") { + parent = parent.host; + } + return parent; +} +function parseMaxStyle(styleValue, node, parentProperty) { + let valueInPixels; + if (typeof styleValue === "string") { + valueInPixels = parseInt(styleValue, 10); + if (styleValue.indexOf("%") !== -1) { + valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty]; + } + } else { + valueInPixels = styleValue; + } + return valueInPixels; +} +var getComputedStyle = (element) => element.ownerDocument.defaultView.getComputedStyle(element, null); +function getStyle(el, property) { + return getComputedStyle(el).getPropertyValue(property); +} +var positions = [ + "top", + "right", + "bottom", + "left" +]; +function getPositionedStyle(styles, style, suffix) { + const result = {}; + suffix = suffix ? "-" + suffix : ""; + for (let i = 0; i < 4; i++) { + const pos = positions[i]; + result[pos] = parseFloat(styles[style + "-" + pos + suffix]) || 0; + } + result.width = result.left + result.right; + result.height = result.top + result.bottom; + return result; +} +var useOffsetPos = (x, y, target) => (x > 0 || y > 0) && (!target || !target.shadowRoot); +function getCanvasPosition(e, canvas) { + const touches = e.touches; + const source = touches && touches.length ? touches[0] : e; + const { offsetX, offsetY } = source; + let box = false; + let x, y; + if (useOffsetPos(offsetX, offsetY, e.target)) { + x = offsetX; + y = offsetY; + } else { + const rect = canvas.getBoundingClientRect(); + x = source.clientX - rect.left; + y = source.clientY - rect.top; + box = true; + } + return { + x, + y, + box + }; +} +function getRelativePosition(event, chart) { + if ("native" in event) { + return event; + } + const { canvas, currentDevicePixelRatio } = chart; + const style = getComputedStyle(canvas); + const borderBox = style.boxSizing === "border-box"; + const paddings = getPositionedStyle(style, "padding"); + const borders = getPositionedStyle(style, "border", "width"); + const { x, y, box } = getCanvasPosition(event, canvas); + const xOffset = paddings.left + (box && borders.left); + const yOffset = paddings.top + (box && borders.top); + let { width, height } = chart; + if (borderBox) { + width -= paddings.width + borders.width; + height -= paddings.height + borders.height; + } + return { + x: Math.round((x - xOffset) / width * canvas.width / currentDevicePixelRatio), + y: Math.round((y - yOffset) / height * canvas.height / currentDevicePixelRatio) + }; +} +function getContainerSize(canvas, width, height) { + let maxWidth, maxHeight; + if (width === void 0 || height === void 0) { + const container = _getParentNode(canvas); + if (!container) { + width = canvas.clientWidth; + height = canvas.clientHeight; + } else { + const rect = container.getBoundingClientRect(); + const containerStyle = getComputedStyle(container); + const containerBorder = getPositionedStyle(containerStyle, "border", "width"); + const containerPadding = getPositionedStyle(containerStyle, "padding"); + width = rect.width - containerPadding.width - containerBorder.width; + height = rect.height - containerPadding.height - containerBorder.height; + maxWidth = parseMaxStyle(containerStyle.maxWidth, container, "clientWidth"); + maxHeight = parseMaxStyle(containerStyle.maxHeight, container, "clientHeight"); + } + } + return { + width, + height, + maxWidth: maxWidth || INFINITY, + maxHeight: maxHeight || INFINITY + }; +} +var round1 = (v) => Math.round(v * 10) / 10; +function getMaximumSize(canvas, bbWidth, bbHeight, aspectRatio) { + const style = getComputedStyle(canvas); + const margins = getPositionedStyle(style, "margin"); + const maxWidth = parseMaxStyle(style.maxWidth, canvas, "clientWidth") || INFINITY; + const maxHeight = parseMaxStyle(style.maxHeight, canvas, "clientHeight") || INFINITY; + const containerSize = getContainerSize(canvas, bbWidth, bbHeight); + let { width, height } = containerSize; + if (style.boxSizing === "content-box") { + const borders = getPositionedStyle(style, "border", "width"); + const paddings = getPositionedStyle(style, "padding"); + width -= paddings.width + borders.width; + height -= paddings.height + borders.height; + } + width = Math.max(0, width - margins.width); + height = Math.max(0, aspectRatio ? width / aspectRatio : height - margins.height); + width = round1(Math.min(width, maxWidth, containerSize.maxWidth)); + height = round1(Math.min(height, maxHeight, containerSize.maxHeight)); + if (width && !height) { + height = round1(width / 2); + } + const maintainHeight = bbWidth !== void 0 || bbHeight !== void 0; + if (maintainHeight && aspectRatio && containerSize.height && height > containerSize.height) { + height = containerSize.height; + width = round1(Math.floor(height * aspectRatio)); + } + return { + width, + height + }; +} +function retinaScale(chart, forceRatio, forceStyle) { + const pixelRatio = forceRatio || 1; + const deviceHeight = Math.floor(chart.height * pixelRatio); + const deviceWidth = Math.floor(chart.width * pixelRatio); + chart.height = Math.floor(chart.height); + chart.width = Math.floor(chart.width); + const canvas = chart.canvas; + if (canvas.style && (forceStyle || !canvas.style.height && !canvas.style.width)) { + canvas.style.height = `${chart.height}px`; + canvas.style.width = `${chart.width}px`; + } + if (chart.currentDevicePixelRatio !== pixelRatio || canvas.height !== deviceHeight || canvas.width !== deviceWidth) { + chart.currentDevicePixelRatio = pixelRatio; + canvas.height = deviceHeight; + canvas.width = deviceWidth; + chart.ctx.setTransform(pixelRatio, 0, 0, pixelRatio, 0, 0); + return true; + } + return false; +} +var supportsEventListenerOptions = function() { + let passiveSupported = false; + try { + const options = { + get passive() { + passiveSupported = true; + return false; + } + }; + window.addEventListener("test", null, options); + window.removeEventListener("test", null, options); + } catch (e) { + } + return passiveSupported; +}(); +function readUsedSize(element, property) { + const value = getStyle(element, property); + const matches = value && value.match(/^(\d+)(\.\d+)?px$/); + return matches ? +matches[1] : void 0; +} +function _pointInLine(p1, p2, t, mode) { + return { + x: p1.x + t * (p2.x - p1.x), + y: p1.y + t * (p2.y - p1.y) + }; +} +function _steppedInterpolation(p1, p2, t, mode) { + return { + x: p1.x + t * (p2.x - p1.x), + y: mode === "middle" ? t < 0.5 ? p1.y : p2.y : mode === "after" ? t < 1 ? p1.y : p2.y : t > 0 ? p2.y : p1.y + }; +} +function _bezierInterpolation(p1, p2, t, mode) { + const cp1 = { + x: p1.cp2x, + y: p1.cp2y + }; + const cp2 = { + x: p2.cp1x, + y: p2.cp1y + }; + const a = _pointInLine(p1, cp1, t); + const b = _pointInLine(cp1, cp2, t); + const c = _pointInLine(cp2, p2, t); + const d = _pointInLine(a, b, t); + const e = _pointInLine(b, c, t); + return _pointInLine(d, e, t); +} +var getRightToLeftAdapter = function(rectX, width) { + return { + x(x) { + return rectX + rectX + width - x; + }, + setWidth(w) { + width = w; + }, + textAlign(align) { + if (align === "center") { + return align; + } + return align === "right" ? "left" : "right"; + }, + xPlus(x, value) { + return x - value; + }, + leftForLtr(x, itemWidth) { + return x - itemWidth; + } + }; +}; +var getLeftToRightAdapter = function() { + return { + x(x) { + return x; + }, + setWidth(w) { + }, + textAlign(align) { + return align; + }, + xPlus(x, value) { + return x + value; + }, + leftForLtr(x, _itemWidth) { + return x; + } + }; +}; +function getRtlAdapter(rtl, rectX, width) { + return rtl ? getRightToLeftAdapter(rectX, width) : getLeftToRightAdapter(); +} +function overrideTextDirection(ctx, direction) { + let style, original; + if (direction === "ltr" || direction === "rtl") { + style = ctx.canvas.style; + original = [ + style.getPropertyValue("direction"), + style.getPropertyPriority("direction") + ]; + style.setProperty("direction", direction, "important"); + ctx.prevTextDirection = original; + } +} +function restoreTextDirection(ctx, original) { + if (original !== void 0) { + delete ctx.prevTextDirection; + ctx.canvas.style.setProperty("direction", original[0], original[1]); + } +} +function propertyFn(property) { + if (property === "angle") { + return { + between: _angleBetween, + compare: _angleDiff, + normalize: _normalizeAngle + }; + } + return { + between: _isBetween, + compare: (a, b) => a - b, + normalize: (x) => x + }; +} +function normalizeSegment({ start, end, count, loop, style }) { + return { + start: start % count, + end: end % count, + loop: loop && (end - start + 1) % count === 0, + style + }; +} +function getSegment(segment, points, bounds) { + const { property, start: startBound, end: endBound } = bounds; + const { between, normalize } = propertyFn(property); + const count = points.length; + let { start, end, loop } = segment; + let i, ilen; + if (loop) { + start += count; + end += count; + for (i = 0, ilen = count; i < ilen; ++i) { + if (!between(normalize(points[start % count][property]), startBound, endBound)) { + break; + } + start--; + end--; + } + start %= count; + end %= count; + } + if (end < start) { + end += count; + } + return { + start, + end, + loop, + style: segment.style + }; +} +function _boundSegment(segment, points, bounds) { + if (!bounds) { + return [ + segment + ]; + } + const { property, start: startBound, end: endBound } = bounds; + const count = points.length; + const { compare, between, normalize } = propertyFn(property); + const { start, end, loop, style } = getSegment(segment, points, bounds); + const result = []; + let inside = false; + let subStart = null; + let value, point, prevValue; + const startIsBefore = () => between(startBound, prevValue, value) && compare(startBound, prevValue) !== 0; + const endIsBefore = () => compare(endBound, value) === 0 || between(endBound, prevValue, value); + const shouldStart = () => inside || startIsBefore(); + const shouldStop = () => !inside || endIsBefore(); + for (let i = start, prev = start; i <= end; ++i) { + point = points[i % count]; + if (point.skip) { + continue; + } + value = normalize(point[property]); + if (value === prevValue) { + continue; + } + inside = between(value, startBound, endBound); + if (subStart === null && shouldStart()) { + subStart = compare(value, startBound) === 0 ? i : prev; + } + if (subStart !== null && shouldStop()) { + result.push(normalizeSegment({ + start: subStart, + end: i, + loop, + count, + style + })); + subStart = null; + } + prev = i; + prevValue = value; + } + if (subStart !== null) { + result.push(normalizeSegment({ + start: subStart, + end, + loop, + count, + style + })); + } + return result; +} +function _boundSegments(line, bounds) { + const result = []; + const segments = line.segments; + for (let i = 0; i < segments.length; i++) { + const sub = _boundSegment(segments[i], line.points, bounds); + if (sub.length) { + result.push(...sub); + } + } + return result; +} +function findStartAndEnd(points, count, loop, spanGaps) { + let start = 0; + let end = count - 1; + if (loop && !spanGaps) { + while (start < count && !points[start].skip) { + start++; + } + } + while (start < count && points[start].skip) { + start++; + } + start %= count; + if (loop) { + end += start; + } + while (end > start && points[end % count].skip) { + end--; + } + end %= count; + return { + start, + end + }; +} +function solidSegments(points, start, max, loop) { + const count = points.length; + const result = []; + let last = start; + let prev = points[start]; + let end; + for (end = start + 1; end <= max; ++end) { + const cur = points[end % count]; + if (cur.skip || cur.stop) { + if (!prev.skip) { + loop = false; + result.push({ + start: start % count, + end: (end - 1) % count, + loop + }); + start = last = cur.stop ? end : null; + } + } else { + last = end; + if (prev.skip) { + start = end; + } + } + prev = cur; + } + if (last !== null) { + result.push({ + start: start % count, + end: last % count, + loop + }); + } + return result; +} +function _computeSegments(line, segmentOptions) { + const points = line.points; + const spanGaps = line.options.spanGaps; + const count = points.length; + if (!count) { + return []; + } + const loop = !!line._loop; + const { start, end } = findStartAndEnd(points, count, loop, spanGaps); + if (spanGaps === true) { + return splitByStyles(line, [ + { + start, + end, + loop + } + ], points, segmentOptions); + } + const max = end < start ? end + count : end; + const completeLoop = !!line._fullLoop && start === 0 && end === count - 1; + return splitByStyles(line, solidSegments(points, start, max, completeLoop), points, segmentOptions); +} +function splitByStyles(line, segments, points, segmentOptions) { + if (!segmentOptions || !segmentOptions.setContext || !points) { + return segments; + } + return doSplitByStyles(line, segments, points, segmentOptions); +} +function doSplitByStyles(line, segments, points, segmentOptions) { + const chartContext = line._chart.getContext(); + const baseStyle = readStyle(line.options); + const { _datasetIndex: datasetIndex, options: { spanGaps } } = line; + const count = points.length; + const result = []; + let prevStyle = baseStyle; + let start = segments[0].start; + let i = start; + function addStyle(s, e, l, st) { + const dir = spanGaps ? -1 : 1; + if (s === e) { + return; + } + s += count; + while (points[s % count].skip) { + s -= dir; + } + while (points[e % count].skip) { + e += dir; + } + if (s % count !== e % count) { + result.push({ + start: s % count, + end: e % count, + loop: l, + style: st + }); + prevStyle = st; + start = e % count; + } + } + for (const segment of segments) { + start = spanGaps ? start : segment.start; + let prev = points[start % count]; + let style; + for (i = start + 1; i <= segment.end; i++) { + const pt = points[i % count]; + style = readStyle(segmentOptions.setContext(createContext(chartContext, { + type: "segment", + p0: prev, + p1: pt, + p0DataIndex: (i - 1) % count, + p1DataIndex: i % count, + datasetIndex + }))); + if (styleChanged(style, prevStyle)) { + addStyle(start, i - 1, segment.loop, prevStyle); + } + prev = pt; + prevStyle = style; + } + if (start < i - 1) { + addStyle(start, i - 1, segment.loop, prevStyle); + } + } + return result; +} +function readStyle(options) { + return { + backgroundColor: options.backgroundColor, + borderCapStyle: options.borderCapStyle, + borderDash: options.borderDash, + borderDashOffset: options.borderDashOffset, + borderJoinStyle: options.borderJoinStyle, + borderWidth: options.borderWidth, + borderColor: options.borderColor + }; +} +function styleChanged(style, prevStyle) { + if (!prevStyle) { + return false; + } + const cache = []; + const replacer = function(key, value) { + if (!isPatternOrGradient(value)) { + return value; + } + if (!cache.includes(value)) { + cache.push(value); + } + return cache.indexOf(value); + }; + return JSON.stringify(style, replacer) !== JSON.stringify(prevStyle, replacer); +} + +// node_modules/chart.js/dist/chart.js +var Animator = class { + constructor() { + this._request = null; + this._charts = /* @__PURE__ */ new Map(); + this._running = false; + this._lastDate = void 0; + } + _notify(chart, anims, date, type) { + const callbacks = anims.listeners[type]; + const numSteps = anims.duration; + callbacks.forEach((fn) => fn({ + chart, + initial: anims.initial, + numSteps, + currentStep: Math.min(date - anims.start, numSteps) + })); + } + _refresh() { + if (this._request) { + return; + } + this._running = true; + this._request = requestAnimFrame.call(window, () => { + this._update(); + this._request = null; + if (this._running) { + this._refresh(); + } + }); + } + _update(date = Date.now()) { + let remaining = 0; + this._charts.forEach((anims, chart) => { + if (!anims.running || !anims.items.length) { + return; + } + const items = anims.items; + let i = items.length - 1; + let draw2 = false; + let item; + for (; i >= 0; --i) { + item = items[i]; + if (item._active) { + if (item._total > anims.duration) { + anims.duration = item._total; + } + item.tick(date); + draw2 = true; + } else { + items[i] = items[items.length - 1]; + items.pop(); + } + } + if (draw2) { + chart.draw(); + this._notify(chart, anims, date, "progress"); + } + if (!items.length) { + anims.running = false; + this._notify(chart, anims, date, "complete"); + anims.initial = false; + } + remaining += items.length; + }); + this._lastDate = date; + if (remaining === 0) { + this._running = false; + } + } + _getAnims(chart) { + const charts = this._charts; + let anims = charts.get(chart); + if (!anims) { + anims = { + running: false, + initial: true, + items: [], + listeners: { + complete: [], + progress: [] + } + }; + charts.set(chart, anims); + } + return anims; + } + listen(chart, event, cb) { + this._getAnims(chart).listeners[event].push(cb); + } + add(chart, items) { + if (!items || !items.length) { + return; + } + this._getAnims(chart).items.push(...items); + } + has(chart) { + return this._getAnims(chart).items.length > 0; + } + start(chart) { + const anims = this._charts.get(chart); + if (!anims) { + return; + } + anims.running = true; + anims.start = Date.now(); + anims.duration = anims.items.reduce((acc, cur) => Math.max(acc, cur._duration), 0); + this._refresh(); + } + running(chart) { + if (!this._running) { + return false; + } + const anims = this._charts.get(chart); + if (!anims || !anims.running || !anims.items.length) { + return false; + } + return true; + } + stop(chart) { + const anims = this._charts.get(chart); + if (!anims || !anims.items.length) { + return; + } + const items = anims.items; + let i = items.length - 1; + for (; i >= 0; --i) { + items[i].cancel(); + } + anims.items = []; + this._notify(chart, anims, Date.now(), "complete"); + } + remove(chart) { + return this._charts.delete(chart); + } +}; +var animator = /* @__PURE__ */ new Animator(); +var transparent = "transparent"; +var interpolators = { + boolean(from2, to2, factor) { + return factor > 0.5 ? to2 : from2; + }, + color(from2, to2, factor) { + const c0 = color(from2 || transparent); + const c1 = c0.valid && color(to2 || transparent); + return c1 && c1.valid ? c1.mix(c0, factor).hexString() : to2; + }, + number(from2, to2, factor) { + return from2 + (to2 - from2) * factor; + } +}; +var Animation = class { + constructor(cfg, target, prop, to2) { + const currentValue = target[prop]; + to2 = resolve([ + cfg.to, + to2, + currentValue, + cfg.from + ]); + const from2 = resolve([ + cfg.from, + currentValue, + to2 + ]); + this._active = true; + this._fn = cfg.fn || interpolators[cfg.type || typeof from2]; + this._easing = effects[cfg.easing] || effects.linear; + this._start = Math.floor(Date.now() + (cfg.delay || 0)); + this._duration = this._total = Math.floor(cfg.duration); + this._loop = !!cfg.loop; + this._target = target; + this._prop = prop; + this._from = from2; + this._to = to2; + this._promises = void 0; + } + active() { + return this._active; + } + update(cfg, to2, date) { + if (this._active) { + this._notify(false); + const currentValue = this._target[this._prop]; + const elapsed = date - this._start; + const remain = this._duration - elapsed; + this._start = date; + this._duration = Math.floor(Math.max(remain, cfg.duration)); + this._total += elapsed; + this._loop = !!cfg.loop; + this._to = resolve([ + cfg.to, + to2, + currentValue, + cfg.from + ]); + this._from = resolve([ + cfg.from, + currentValue, + to2 + ]); + } + } + cancel() { + if (this._active) { + this.tick(Date.now()); + this._active = false; + this._notify(false); + } + } + tick(date) { + const elapsed = date - this._start; + const duration = this._duration; + const prop = this._prop; + const from2 = this._from; + const loop = this._loop; + const to2 = this._to; + let factor; + this._active = from2 !== to2 && (loop || elapsed < duration); + if (!this._active) { + this._target[prop] = to2; + this._notify(true); + return; + } + if (elapsed < 0) { + this._target[prop] = from2; + return; + } + factor = elapsed / duration % 2; + factor = loop && factor > 1 ? 2 - factor : factor; + factor = this._easing(Math.min(1, Math.max(0, factor))); + this._target[prop] = this._fn(from2, to2, factor); + } + wait() { + const promises = this._promises || (this._promises = []); + return new Promise((res, rej) => { + promises.push({ + res, + rej + }); + }); + } + _notify(resolved) { + const method = resolved ? "res" : "rej"; + const promises = this._promises || []; + for (let i = 0; i < promises.length; i++) { + promises[i][method](); + } + } +}; +var Animations = class { + constructor(chart, config) { + this._chart = chart; + this._properties = /* @__PURE__ */ new Map(); + this.configure(config); + } + configure(config) { + if (!isObject(config)) { + return; + } + const animationOptions = Object.keys(defaults.animation); + const animatedProps = this._properties; + Object.getOwnPropertyNames(config).forEach((key) => { + const cfg = config[key]; + if (!isObject(cfg)) { + return; + } + const resolved = {}; + for (const option of animationOptions) { + resolved[option] = cfg[option]; + } + (isArray(cfg.properties) && cfg.properties || [ + key + ]).forEach((prop) => { + if (prop === key || !animatedProps.has(prop)) { + animatedProps.set(prop, resolved); + } + }); + }); + } + _animateOptions(target, values) { + const newOptions = values.options; + const options = resolveTargetOptions(target, newOptions); + if (!options) { + return []; + } + const animations = this._createAnimations(options, newOptions); + if (newOptions.$shared) { + awaitAll(target.options.$animations, newOptions).then(() => { + target.options = newOptions; + }, () => { + }); + } + return animations; + } + _createAnimations(target, values) { + const animatedProps = this._properties; + const animations = []; + const running = target.$animations || (target.$animations = {}); + const props = Object.keys(values); + const date = Date.now(); + let i; + for (i = props.length - 1; i >= 0; --i) { + const prop = props[i]; + if (prop.charAt(0) === "$") { + continue; + } + if (prop === "options") { + animations.push(...this._animateOptions(target, values)); + continue; + } + const value = values[prop]; + let animation = running[prop]; + const cfg = animatedProps.get(prop); + if (animation) { + if (cfg && animation.active()) { + animation.update(cfg, value, date); + continue; + } else { + animation.cancel(); + } + } + if (!cfg || !cfg.duration) { + target[prop] = value; + continue; + } + running[prop] = animation = new Animation(cfg, target, prop, value); + animations.push(animation); + } + return animations; + } + update(target, values) { + if (this._properties.size === 0) { + Object.assign(target, values); + return; + } + const animations = this._createAnimations(target, values); + if (animations.length) { + animator.add(this._chart, animations); + return true; + } + } +}; +function awaitAll(animations, properties) { + const running = []; + const keys = Object.keys(properties); + for (let i = 0; i < keys.length; i++) { + const anim = animations[keys[i]]; + if (anim && anim.active()) { + running.push(anim.wait()); + } + } + return Promise.all(running); +} +function resolveTargetOptions(target, newOptions) { + if (!newOptions) { + return; + } + let options = target.options; + if (!options) { + target.options = newOptions; + return; + } + if (options.$shared) { + target.options = options = Object.assign({}, options, { + $shared: false, + $animations: {} + }); + } + return options; +} +function scaleClip(scale, allowedOverflow) { + const opts = scale && scale.options || {}; + const reverse = opts.reverse; + const min = opts.min === void 0 ? allowedOverflow : 0; + const max = opts.max === void 0 ? allowedOverflow : 0; + return { + start: reverse ? max : min, + end: reverse ? min : max + }; +} +function defaultClip(xScale, yScale, allowedOverflow) { + if (allowedOverflow === false) { + return false; + } + const x = scaleClip(xScale, allowedOverflow); + const y = scaleClip(yScale, allowedOverflow); + return { + top: y.end, + right: x.end, + bottom: y.start, + left: x.start + }; +} +function toClip(value) { + let t, r, b, l; + if (isObject(value)) { + t = value.top; + r = value.right; + b = value.bottom; + l = value.left; + } else { + t = r = b = l = value; + } + return { + top: t, + right: r, + bottom: b, + left: l, + disabled: value === false + }; +} +function getSortedDatasetIndices(chart, filterVisible) { + const keys = []; + const metasets = chart._getSortedDatasetMetas(filterVisible); + let i, ilen; + for (i = 0, ilen = metasets.length; i < ilen; ++i) { + keys.push(metasets[i].index); + } + return keys; +} +function applyStack(stack, value, dsIndex, options = {}) { + const keys = stack.keys; + const singleMode = options.mode === "single"; + let i, ilen, datasetIndex, otherValue; + if (value === null) { + return; + } + for (i = 0, ilen = keys.length; i < ilen; ++i) { + datasetIndex = +keys[i]; + if (datasetIndex === dsIndex) { + if (options.all) { + continue; + } + break; + } + otherValue = stack.values[datasetIndex]; + if (isNumberFinite(otherValue) && (singleMode || value === 0 || sign(value) === sign(otherValue))) { + value += otherValue; + } + } + return value; +} +function convertObjectDataToArray(data2) { + const keys = Object.keys(data2); + const adata = new Array(keys.length); + let i, ilen, key; + for (i = 0, ilen = keys.length; i < ilen; ++i) { + key = keys[i]; + adata[i] = { + x: key, + y: data2[key] + }; + } + return adata; +} +function isStacked(scale, meta) { + const stacked = scale && scale.options.stacked; + return stacked || stacked === void 0 && meta.stack !== void 0; +} +function getStackKey(indexScale, valueScale, meta) { + return `${indexScale.id}.${valueScale.id}.${meta.stack || meta.type}`; +} +function getUserBounds(scale) { + const { min, max, minDefined, maxDefined } = scale.getUserBounds(); + return { + min: minDefined ? min : Number.NEGATIVE_INFINITY, + max: maxDefined ? max : Number.POSITIVE_INFINITY + }; +} +function getOrCreateStack(stacks, stackKey, indexValue) { + const subStack = stacks[stackKey] || (stacks[stackKey] = {}); + return subStack[indexValue] || (subStack[indexValue] = {}); +} +function getLastIndexInStack(stack, vScale, positive, type) { + for (const meta of vScale.getMatchingVisibleMetas(type).reverse()) { + const value = stack[meta.index]; + if (positive && value > 0 || !positive && value < 0) { + return meta.index; + } + } + return null; +} +function updateStacks(controller, parsed) { + const { chart, _cachedMeta: meta } = controller; + const stacks = chart._stacks || (chart._stacks = {}); + const { iScale, vScale, index: datasetIndex } = meta; + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const key = getStackKey(iScale, vScale, meta); + const ilen = parsed.length; + let stack; + for (let i = 0; i < ilen; ++i) { + const item = parsed[i]; + const { [iAxis]: index2, [vAxis]: value } = item; + const itemStacks = item._stacks || (item._stacks = {}); + stack = itemStacks[vAxis] = getOrCreateStack(stacks, key, index2); + stack[datasetIndex] = value; + stack._top = getLastIndexInStack(stack, vScale, true, meta.type); + stack._bottom = getLastIndexInStack(stack, vScale, false, meta.type); + const visualValues = stack._visualValues || (stack._visualValues = {}); + visualValues[datasetIndex] = value; + } +} +function getFirstScaleId(chart, axis) { + const scales2 = chart.scales; + return Object.keys(scales2).filter((key) => scales2[key].axis === axis).shift(); +} +function createDatasetContext(parent, index2) { + return createContext(parent, { + active: false, + dataset: void 0, + datasetIndex: index2, + index: index2, + mode: "default", + type: "dataset" + }); +} +function createDataContext(parent, index2, element) { + return createContext(parent, { + active: false, + dataIndex: index2, + parsed: void 0, + raw: void 0, + element, + index: index2, + mode: "default", + type: "data" + }); +} +function clearStacks(meta, items) { + const datasetIndex = meta.controller.index; + const axis = meta.vScale && meta.vScale.axis; + if (!axis) { + return; + } + items = items || meta._parsed; + for (const parsed of items) { + const stacks = parsed._stacks; + if (!stacks || stacks[axis] === void 0 || stacks[axis][datasetIndex] === void 0) { + return; + } + delete stacks[axis][datasetIndex]; + if (stacks[axis]._visualValues !== void 0 && stacks[axis]._visualValues[datasetIndex] !== void 0) { + delete stacks[axis]._visualValues[datasetIndex]; + } + } +} +var isDirectUpdateMode = (mode) => mode === "reset" || mode === "none"; +var cloneIfNotShared = (cached, shared) => shared ? cached : Object.assign({}, cached); +var createStack = (canStack, meta, chart) => canStack && !meta.hidden && meta._stacked && { + keys: getSortedDatasetIndices(chart, true), + values: null +}; +var DatasetController = class { + constructor(chart, datasetIndex) { + this.chart = chart; + this._ctx = chart.ctx; + this.index = datasetIndex; + this._cachedDataOpts = {}; + this._cachedMeta = this.getMeta(); + this._type = this._cachedMeta.type; + this.options = void 0; + this._parsing = false; + this._data = void 0; + this._objectData = void 0; + this._sharedOptions = void 0; + this._drawStart = void 0; + this._drawCount = void 0; + this.enableOptionSharing = false; + this.supportsDecimation = false; + this.$context = void 0; + this._syncList = []; + this.datasetElementType = new.target.datasetElementType; + this.dataElementType = new.target.dataElementType; + this.initialize(); + } + initialize() { + const meta = this._cachedMeta; + this.configure(); + this.linkScales(); + meta._stacked = isStacked(meta.vScale, meta); + this.addElements(); + if (this.options.fill && !this.chart.isPluginEnabled("filler")) { + console.warn("Tried to use the 'fill' option without the 'Filler' plugin enabled. Please import and register the 'Filler' plugin and make sure it is not disabled in the options"); + } + } + updateIndex(datasetIndex) { + if (this.index !== datasetIndex) { + clearStacks(this._cachedMeta); + } + this.index = datasetIndex; + } + linkScales() { + const chart = this.chart; + const meta = this._cachedMeta; + const dataset = this.getDataset(); + const chooseId = (axis, x, y, r) => axis === "x" ? x : axis === "r" ? r : y; + const xid = meta.xAxisID = valueOrDefault(dataset.xAxisID, getFirstScaleId(chart, "x")); + const yid = meta.yAxisID = valueOrDefault(dataset.yAxisID, getFirstScaleId(chart, "y")); + const rid = meta.rAxisID = valueOrDefault(dataset.rAxisID, getFirstScaleId(chart, "r")); + const indexAxis = meta.indexAxis; + const iid = meta.iAxisID = chooseId(indexAxis, xid, yid, rid); + const vid = meta.vAxisID = chooseId(indexAxis, yid, xid, rid); + meta.xScale = this.getScaleForId(xid); + meta.yScale = this.getScaleForId(yid); + meta.rScale = this.getScaleForId(rid); + meta.iScale = this.getScaleForId(iid); + meta.vScale = this.getScaleForId(vid); + } + getDataset() { + return this.chart.data.datasets[this.index]; + } + getMeta() { + return this.chart.getDatasetMeta(this.index); + } + getScaleForId(scaleID) { + return this.chart.scales[scaleID]; + } + _getOtherScale(scale) { + const meta = this._cachedMeta; + return scale === meta.iScale ? meta.vScale : meta.iScale; + } + reset() { + this._update("reset"); + } + _destroy() { + const meta = this._cachedMeta; + if (this._data) { + unlistenArrayEvents(this._data, this); + } + if (meta._stacked) { + clearStacks(meta); + } + } + _dataCheck() { + const dataset = this.getDataset(); + const data2 = dataset.data || (dataset.data = []); + const _data = this._data; + if (isObject(data2)) { + this._data = convertObjectDataToArray(data2); + } else if (_data !== data2) { + if (_data) { + unlistenArrayEvents(_data, this); + const meta = this._cachedMeta; + clearStacks(meta); + meta._parsed = []; + } + if (data2 && Object.isExtensible(data2)) { + listenArrayEvents(data2, this); + } + this._syncList = []; + this._data = data2; + } + } + addElements() { + const meta = this._cachedMeta; + this._dataCheck(); + if (this.datasetElementType) { + meta.dataset = new this.datasetElementType(); + } + } + buildOrUpdateElements(resetNewElements) { + const meta = this._cachedMeta; + const dataset = this.getDataset(); + let stackChanged = false; + this._dataCheck(); + const oldStacked = meta._stacked; + meta._stacked = isStacked(meta.vScale, meta); + if (meta.stack !== dataset.stack) { + stackChanged = true; + clearStacks(meta); + meta.stack = dataset.stack; + } + this._resyncElements(resetNewElements); + if (stackChanged || oldStacked !== meta._stacked) { + updateStacks(this, meta._parsed); + } + } + configure() { + const config = this.chart.config; + const scopeKeys = config.datasetScopeKeys(this._type); + const scopes = config.getOptionScopes(this.getDataset(), scopeKeys, true); + this.options = config.createResolver(scopes, this.getContext()); + this._parsing = this.options.parsing; + this._cachedDataOpts = {}; + } + parse(start, count) { + const { _cachedMeta: meta, _data: data2 } = this; + const { iScale, _stacked } = meta; + const iAxis = iScale.axis; + let sorted = start === 0 && count === data2.length ? true : meta._sorted; + let prev = start > 0 && meta._parsed[start - 1]; + let i, cur, parsed; + if (this._parsing === false) { + meta._parsed = data2; + meta._sorted = true; + parsed = data2; + } else { + if (isArray(data2[start])) { + parsed = this.parseArrayData(meta, data2, start, count); + } else if (isObject(data2[start])) { + parsed = this.parseObjectData(meta, data2, start, count); + } else { + parsed = this.parsePrimitiveData(meta, data2, start, count); + } + const isNotInOrderComparedToPrev = () => cur[iAxis] === null || prev && cur[iAxis] < prev[iAxis]; + for (i = 0; i < count; ++i) { + meta._parsed[i + start] = cur = parsed[i]; + if (sorted) { + if (isNotInOrderComparedToPrev()) { + sorted = false; + } + prev = cur; + } + } + meta._sorted = sorted; + } + if (_stacked) { + updateStacks(this, parsed); + } + } + parsePrimitiveData(meta, data2, start, count) { + const { iScale, vScale } = meta; + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const labels = iScale.getLabels(); + const singleScale = iScale === vScale; + const parsed = new Array(count); + let i, ilen, index2; + for (i = 0, ilen = count; i < ilen; ++i) { + index2 = i + start; + parsed[i] = { + [iAxis]: singleScale || iScale.parse(labels[index2], index2), + [vAxis]: vScale.parse(data2[index2], index2) + }; + } + return parsed; + } + parseArrayData(meta, data2, start, count) { + const { xScale, yScale } = meta; + const parsed = new Array(count); + let i, ilen, index2, item; + for (i = 0, ilen = count; i < ilen; ++i) { + index2 = i + start; + item = data2[index2]; + parsed[i] = { + x: xScale.parse(item[0], index2), + y: yScale.parse(item[1], index2) + }; + } + return parsed; + } + parseObjectData(meta, data2, start, count) { + const { xScale, yScale } = meta; + const { xAxisKey = "x", yAxisKey = "y" } = this._parsing; + const parsed = new Array(count); + let i, ilen, index2, item; + for (i = 0, ilen = count; i < ilen; ++i) { + index2 = i + start; + item = data2[index2]; + parsed[i] = { + x: xScale.parse(resolveObjectKey(item, xAxisKey), index2), + y: yScale.parse(resolveObjectKey(item, yAxisKey), index2) + }; + } + return parsed; + } + getParsed(index2) { + return this._cachedMeta._parsed[index2]; + } + getDataElement(index2) { + return this._cachedMeta.data[index2]; + } + applyStack(scale, parsed, mode) { + const chart = this.chart; + const meta = this._cachedMeta; + const value = parsed[scale.axis]; + const stack = { + keys: getSortedDatasetIndices(chart, true), + values: parsed._stacks[scale.axis]._visualValues + }; + return applyStack(stack, value, meta.index, { + mode + }); + } + updateRangeFromParsed(range, scale, parsed, stack) { + const parsedValue = parsed[scale.axis]; + let value = parsedValue === null ? NaN : parsedValue; + const values = stack && parsed._stacks[scale.axis]; + if (stack && values) { + stack.values = values; + value = applyStack(stack, parsedValue, this._cachedMeta.index); + } + range.min = Math.min(range.min, value); + range.max = Math.max(range.max, value); + } + getMinMax(scale, canStack) { + const meta = this._cachedMeta; + const _parsed = meta._parsed; + const sorted = meta._sorted && scale === meta.iScale; + const ilen = _parsed.length; + const otherScale = this._getOtherScale(scale); + const stack = createStack(canStack, meta, this.chart); + const range = { + min: Number.POSITIVE_INFINITY, + max: Number.NEGATIVE_INFINITY + }; + const { min: otherMin, max: otherMax } = getUserBounds(otherScale); + let i, parsed; + function _skip() { + parsed = _parsed[i]; + const otherValue = parsed[otherScale.axis]; + return !isNumberFinite(parsed[scale.axis]) || otherMin > otherValue || otherMax < otherValue; + } + for (i = 0; i < ilen; ++i) { + if (_skip()) { + continue; + } + this.updateRangeFromParsed(range, scale, parsed, stack); + if (sorted) { + break; + } + } + if (sorted) { + for (i = ilen - 1; i >= 0; --i) { + if (_skip()) { + continue; + } + this.updateRangeFromParsed(range, scale, parsed, stack); + break; + } + } + return range; + } + getAllParsedValues(scale) { + const parsed = this._cachedMeta._parsed; + const values = []; + let i, ilen, value; + for (i = 0, ilen = parsed.length; i < ilen; ++i) { + value = parsed[i][scale.axis]; + if (isNumberFinite(value)) { + values.push(value); + } + } + return values; + } + getMaxOverflow() { + return false; + } + getLabelAndValue(index2) { + const meta = this._cachedMeta; + const iScale = meta.iScale; + const vScale = meta.vScale; + const parsed = this.getParsed(index2); + return { + label: iScale ? "" + iScale.getLabelForValue(parsed[iScale.axis]) : "", + value: vScale ? "" + vScale.getLabelForValue(parsed[vScale.axis]) : "" + }; + } + _update(mode) { + const meta = this._cachedMeta; + this.update(mode || "default"); + meta._clip = toClip(valueOrDefault(this.options.clip, defaultClip(meta.xScale, meta.yScale, this.getMaxOverflow()))); + } + update(mode) { + } + draw() { + const ctx = this._ctx; + const chart = this.chart; + const meta = this._cachedMeta; + const elements2 = meta.data || []; + const area = chart.chartArea; + const active = []; + const start = this._drawStart || 0; + const count = this._drawCount || elements2.length - start; + const drawActiveElementsOnTop = this.options.drawActiveElementsOnTop; + let i; + if (meta.dataset) { + meta.dataset.draw(ctx, area, start, count); + } + for (i = start; i < start + count; ++i) { + const element = elements2[i]; + if (element.hidden) { + continue; + } + if (element.active && drawActiveElementsOnTop) { + active.push(element); + } else { + element.draw(ctx, area); + } + } + for (i = 0; i < active.length; ++i) { + active[i].draw(ctx, area); + } + } + getStyle(index2, active) { + const mode = active ? "active" : "default"; + return index2 === void 0 && this._cachedMeta.dataset ? this.resolveDatasetElementOptions(mode) : this.resolveDataElementOptions(index2 || 0, mode); + } + getContext(index2, active, mode) { + const dataset = this.getDataset(); + let context; + if (index2 >= 0 && index2 < this._cachedMeta.data.length) { + const element = this._cachedMeta.data[index2]; + context = element.$context || (element.$context = createDataContext(this.getContext(), index2, element)); + context.parsed = this.getParsed(index2); + context.raw = dataset.data[index2]; + context.index = context.dataIndex = index2; + } else { + context = this.$context || (this.$context = createDatasetContext(this.chart.getContext(), this.index)); + context.dataset = dataset; + context.index = context.datasetIndex = this.index; + } + context.active = !!active; + context.mode = mode; + return context; + } + resolveDatasetElementOptions(mode) { + return this._resolveElementOptions(this.datasetElementType.id, mode); + } + resolveDataElementOptions(index2, mode) { + return this._resolveElementOptions(this.dataElementType.id, mode, index2); + } + _resolveElementOptions(elementType, mode = "default", index2) { + const active = mode === "active"; + const cache = this._cachedDataOpts; + const cacheKey = elementType + "-" + mode; + const cached = cache[cacheKey]; + const sharing = this.enableOptionSharing && defined(index2); + if (cached) { + return cloneIfNotShared(cached, sharing); + } + const config = this.chart.config; + const scopeKeys = config.datasetElementScopeKeys(this._type, elementType); + const prefixes = active ? [ + `${elementType}Hover`, + "hover", + elementType, + "" + ] : [ + elementType, + "" + ]; + const scopes = config.getOptionScopes(this.getDataset(), scopeKeys); + const names2 = Object.keys(defaults.elements[elementType]); + const context = () => this.getContext(index2, active, mode); + const values = config.resolveNamedOptions(scopes, names2, context, prefixes); + if (values.$shared) { + values.$shared = sharing; + cache[cacheKey] = Object.freeze(cloneIfNotShared(values, sharing)); + } + return values; + } + _resolveAnimations(index2, transition, active) { + const chart = this.chart; + const cache = this._cachedDataOpts; + const cacheKey = `animation-${transition}`; + const cached = cache[cacheKey]; + if (cached) { + return cached; + } + let options; + if (chart.options.animation !== false) { + const config = this.chart.config; + const scopeKeys = config.datasetAnimationScopeKeys(this._type, transition); + const scopes = config.getOptionScopes(this.getDataset(), scopeKeys); + options = config.createResolver(scopes, this.getContext(index2, active, transition)); + } + const animations = new Animations(chart, options && options.animations); + if (options && options._cacheable) { + cache[cacheKey] = Object.freeze(animations); + } + return animations; + } + getSharedOptions(options) { + if (!options.$shared) { + return; + } + return this._sharedOptions || (this._sharedOptions = Object.assign({}, options)); + } + includeOptions(mode, sharedOptions) { + return !sharedOptions || isDirectUpdateMode(mode) || this.chart._animationsDisabled; + } + _getSharedOptions(start, mode) { + const firstOpts = this.resolveDataElementOptions(start, mode); + const previouslySharedOptions = this._sharedOptions; + const sharedOptions = this.getSharedOptions(firstOpts); + const includeOptions = this.includeOptions(mode, sharedOptions) || sharedOptions !== previouslySharedOptions; + this.updateSharedOptions(sharedOptions, mode, firstOpts); + return { + sharedOptions, + includeOptions + }; + } + updateElement(element, index2, properties, mode) { + if (isDirectUpdateMode(mode)) { + Object.assign(element, properties); + } else { + this._resolveAnimations(index2, mode).update(element, properties); + } + } + updateSharedOptions(sharedOptions, mode, newOptions) { + if (sharedOptions && !isDirectUpdateMode(mode)) { + this._resolveAnimations(void 0, mode).update(sharedOptions, newOptions); + } + } + _setStyle(element, index2, mode, active) { + element.active = active; + const options = this.getStyle(index2, active); + this._resolveAnimations(index2, mode, active).update(element, { + options: !active && this.getSharedOptions(options) || options + }); + } + removeHoverStyle(element, datasetIndex, index2) { + this._setStyle(element, index2, "active", false); + } + setHoverStyle(element, datasetIndex, index2) { + this._setStyle(element, index2, "active", true); + } + _removeDatasetHoverStyle() { + const element = this._cachedMeta.dataset; + if (element) { + this._setStyle(element, void 0, "active", false); + } + } + _setDatasetHoverStyle() { + const element = this._cachedMeta.dataset; + if (element) { + this._setStyle(element, void 0, "active", true); + } + } + _resyncElements(resetNewElements) { + const data2 = this._data; + const elements2 = this._cachedMeta.data; + for (const [method, arg1, arg2] of this._syncList) { + this[method](arg1, arg2); + } + this._syncList = []; + const numMeta = elements2.length; + const numData = data2.length; + const count = Math.min(numData, numMeta); + if (count) { + this.parse(0, count); + } + if (numData > numMeta) { + this._insertElements(numMeta, numData - numMeta, resetNewElements); + } else if (numData < numMeta) { + this._removeElements(numData, numMeta - numData); + } + } + _insertElements(start, count, resetNewElements = true) { + const meta = this._cachedMeta; + const data2 = meta.data; + const end = start + count; + let i; + const move = (arr) => { + arr.length += count; + for (i = arr.length - 1; i >= end; i--) { + arr[i] = arr[i - count]; + } + }; + move(data2); + for (i = start; i < end; ++i) { + data2[i] = new this.dataElementType(); + } + if (this._parsing) { + move(meta._parsed); + } + this.parse(start, count); + if (resetNewElements) { + this.updateElements(data2, start, count, "reset"); + } + } + updateElements(element, start, count, mode) { + } + _removeElements(start, count) { + const meta = this._cachedMeta; + if (this._parsing) { + const removed = meta._parsed.splice(start, count); + if (meta._stacked) { + clearStacks(meta, removed); + } + } + meta.data.splice(start, count); + } + _sync(args) { + if (this._parsing) { + this._syncList.push(args); + } else { + const [method, arg1, arg2] = args; + this[method](arg1, arg2); + } + this.chart._dataChanges.push([ + this.index, + ...args + ]); + } + _onDataPush() { + const count = arguments.length; + this._sync([ + "_insertElements", + this.getDataset().data.length - count, + count + ]); + } + _onDataPop() { + this._sync([ + "_removeElements", + this._cachedMeta.data.length - 1, + 1 + ]); + } + _onDataShift() { + this._sync([ + "_removeElements", + 0, + 1 + ]); + } + _onDataSplice(start, count) { + if (count) { + this._sync([ + "_removeElements", + start, + count + ]); + } + const newCount = arguments.length - 2; + if (newCount) { + this._sync([ + "_insertElements", + start, + newCount + ]); + } + } + _onDataUnshift() { + this._sync([ + "_insertElements", + 0, + arguments.length + ]); + } +}; +__publicField(DatasetController, "defaults", {}); +__publicField(DatasetController, "datasetElementType", null); +__publicField(DatasetController, "dataElementType", null); +function getAllScaleValues(scale, type) { + if (!scale._cache.$bar) { + const visibleMetas = scale.getMatchingVisibleMetas(type); + let values = []; + for (let i = 0, ilen = visibleMetas.length; i < ilen; i++) { + values = values.concat(visibleMetas[i].controller.getAllParsedValues(scale)); + } + scale._cache.$bar = _arrayUnique(values.sort((a, b) => a - b)); + } + return scale._cache.$bar; +} +function computeMinSampleSize(meta) { + const scale = meta.iScale; + const values = getAllScaleValues(scale, meta.type); + let min = scale._length; + let i, ilen, curr, prev; + const updateMinAndPrev = () => { + if (curr === 32767 || curr === -32768) { + return; + } + if (defined(prev)) { + min = Math.min(min, Math.abs(curr - prev) || min); + } + prev = curr; + }; + for (i = 0, ilen = values.length; i < ilen; ++i) { + curr = scale.getPixelForValue(values[i]); + updateMinAndPrev(); + } + prev = void 0; + for (i = 0, ilen = scale.ticks.length; i < ilen; ++i) { + curr = scale.getPixelForTick(i); + updateMinAndPrev(); + } + return min; +} +function computeFitCategoryTraits(index2, ruler, options, stackCount) { + const thickness = options.barThickness; + let size, ratio; + if (isNullOrUndef(thickness)) { + size = ruler.min * options.categoryPercentage; + ratio = options.barPercentage; + } else { + size = thickness * stackCount; + ratio = 1; + } + return { + chunk: size / stackCount, + ratio, + start: ruler.pixels[index2] - size / 2 + }; +} +function computeFlexCategoryTraits(index2, ruler, options, stackCount) { + const pixels = ruler.pixels; + const curr = pixels[index2]; + let prev = index2 > 0 ? pixels[index2 - 1] : null; + let next = index2 < pixels.length - 1 ? pixels[index2 + 1] : null; + const percent = options.categoryPercentage; + if (prev === null) { + prev = curr - (next === null ? ruler.end - ruler.start : next - curr); + } + if (next === null) { + next = curr + curr - prev; + } + const start = curr - (curr - Math.min(prev, next)) / 2 * percent; + const size = Math.abs(next - prev) / 2 * percent; + return { + chunk: size / stackCount, + ratio: options.barPercentage, + start + }; +} +function parseFloatBar(entry, item, vScale, i) { + const startValue = vScale.parse(entry[0], i); + const endValue = vScale.parse(entry[1], i); + const min = Math.min(startValue, endValue); + const max = Math.max(startValue, endValue); + let barStart = min; + let barEnd = max; + if (Math.abs(min) > Math.abs(max)) { + barStart = max; + barEnd = min; + } + item[vScale.axis] = barEnd; + item._custom = { + barStart, + barEnd, + start: startValue, + end: endValue, + min, + max + }; +} +function parseValue(entry, item, vScale, i) { + if (isArray(entry)) { + parseFloatBar(entry, item, vScale, i); + } else { + item[vScale.axis] = vScale.parse(entry, i); + } + return item; +} +function parseArrayOrPrimitive(meta, data2, start, count) { + const iScale = meta.iScale; + const vScale = meta.vScale; + const labels = iScale.getLabels(); + const singleScale = iScale === vScale; + const parsed = []; + let i, ilen, item, entry; + for (i = start, ilen = start + count; i < ilen; ++i) { + entry = data2[i]; + item = {}; + item[iScale.axis] = singleScale || iScale.parse(labels[i], i); + parsed.push(parseValue(entry, item, vScale, i)); + } + return parsed; +} +function isFloatBar(custom) { + return custom && custom.barStart !== void 0 && custom.barEnd !== void 0; +} +function barSign(size, vScale, actualBase) { + if (size !== 0) { + return sign(size); + } + return (vScale.isHorizontal() ? 1 : -1) * (vScale.min >= actualBase ? 1 : -1); +} +function borderProps(properties) { + let reverse, start, end, top, bottom; + if (properties.horizontal) { + reverse = properties.base > properties.x; + start = "left"; + end = "right"; + } else { + reverse = properties.base < properties.y; + start = "bottom"; + end = "top"; + } + if (reverse) { + top = "end"; + bottom = "start"; + } else { + top = "start"; + bottom = "end"; + } + return { + start, + end, + reverse, + top, + bottom + }; +} +function setBorderSkipped(properties, options, stack, index2) { + let edge = options.borderSkipped; + const res = {}; + if (!edge) { + properties.borderSkipped = res; + return; + } + if (edge === true) { + properties.borderSkipped = { + top: true, + right: true, + bottom: true, + left: true + }; + return; + } + const { start, end, reverse, top, bottom } = borderProps(properties); + if (edge === "middle" && stack) { + properties.enableBorderRadius = true; + if ((stack._top || 0) === index2) { + edge = top; + } else if ((stack._bottom || 0) === index2) { + edge = bottom; + } else { + res[parseEdge(bottom, start, end, reverse)] = true; + edge = top; + } + } + res[parseEdge(edge, start, end, reverse)] = true; + properties.borderSkipped = res; +} +function parseEdge(edge, a, b, reverse) { + if (reverse) { + edge = swap(edge, a, b); + edge = startEnd(edge, b, a); + } else { + edge = startEnd(edge, a, b); + } + return edge; +} +function swap(orig, v1, v2) { + return orig === v1 ? v2 : orig === v2 ? v1 : orig; +} +function startEnd(v, start, end) { + return v === "start" ? start : v === "end" ? end : v; +} +function setInflateAmount(properties, { inflateAmount }, ratio) { + properties.inflateAmount = inflateAmount === "auto" ? ratio === 1 ? 0.33 : 0 : inflateAmount; +} +var BarController = class extends DatasetController { + parsePrimitiveData(meta, data2, start, count) { + return parseArrayOrPrimitive(meta, data2, start, count); + } + parseArrayData(meta, data2, start, count) { + return parseArrayOrPrimitive(meta, data2, start, count); + } + parseObjectData(meta, data2, start, count) { + const { iScale, vScale } = meta; + const { xAxisKey = "x", yAxisKey = "y" } = this._parsing; + const iAxisKey = iScale.axis === "x" ? xAxisKey : yAxisKey; + const vAxisKey = vScale.axis === "x" ? xAxisKey : yAxisKey; + const parsed = []; + let i, ilen, item, obj; + for (i = start, ilen = start + count; i < ilen; ++i) { + obj = data2[i]; + item = {}; + item[iScale.axis] = iScale.parse(resolveObjectKey(obj, iAxisKey), i); + parsed.push(parseValue(resolveObjectKey(obj, vAxisKey), item, vScale, i)); + } + return parsed; + } + updateRangeFromParsed(range, scale, parsed, stack) { + super.updateRangeFromParsed(range, scale, parsed, stack); + const custom = parsed._custom; + if (custom && scale === this._cachedMeta.vScale) { + range.min = Math.min(range.min, custom.min); + range.max = Math.max(range.max, custom.max); + } + } + getMaxOverflow() { + return 0; + } + getLabelAndValue(index2) { + const meta = this._cachedMeta; + const { iScale, vScale } = meta; + const parsed = this.getParsed(index2); + const custom = parsed._custom; + const value = isFloatBar(custom) ? "[" + custom.start + ", " + custom.end + "]" : "" + vScale.getLabelForValue(parsed[vScale.axis]); + return { + label: "" + iScale.getLabelForValue(parsed[iScale.axis]), + value + }; + } + initialize() { + this.enableOptionSharing = true; + super.initialize(); + const meta = this._cachedMeta; + meta.stack = this.getDataset().stack; + } + update(mode) { + const meta = this._cachedMeta; + this.updateElements(meta.data, 0, meta.data.length, mode); + } + updateElements(bars, start, count, mode) { + const reset = mode === "reset"; + const { index: index2, _cachedMeta: { vScale } } = this; + const base = vScale.getBasePixel(); + const horizontal = vScale.isHorizontal(); + const ruler = this._getRuler(); + const { sharedOptions, includeOptions } = this._getSharedOptions(start, mode); + for (let i = start; i < start + count; i++) { + const parsed = this.getParsed(i); + const vpixels = reset || isNullOrUndef(parsed[vScale.axis]) ? { + base, + head: base + } : this._calculateBarValuePixels(i); + const ipixels = this._calculateBarIndexPixels(i, ruler); + const stack = (parsed._stacks || {})[vScale.axis]; + const properties = { + horizontal, + base: vpixels.base, + enableBorderRadius: !stack || isFloatBar(parsed._custom) || index2 === stack._top || index2 === stack._bottom, + x: horizontal ? vpixels.head : ipixels.center, + y: horizontal ? ipixels.center : vpixels.head, + height: horizontal ? ipixels.size : Math.abs(vpixels.size), + width: horizontal ? Math.abs(vpixels.size) : ipixels.size + }; + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, bars[i].active ? "active" : mode); + } + const options = properties.options || bars[i].options; + setBorderSkipped(properties, options, stack, index2); + setInflateAmount(properties, options, ruler.ratio); + this.updateElement(bars[i], i, properties, mode); + } + } + _getStacks(last, dataIndex) { + const { iScale } = this._cachedMeta; + const metasets = iScale.getMatchingVisibleMetas(this._type).filter((meta) => meta.controller.options.grouped); + const stacked = iScale.options.stacked; + const stacks = []; + const skipNull = (meta) => { + const parsed = meta.controller.getParsed(dataIndex); + const val = parsed && parsed[meta.vScale.axis]; + if (isNullOrUndef(val) || isNaN(val)) { + return true; + } + }; + for (const meta of metasets) { + if (dataIndex !== void 0 && skipNull(meta)) { + continue; + } + if (stacked === false || stacks.indexOf(meta.stack) === -1 || stacked === void 0 && meta.stack === void 0) { + stacks.push(meta.stack); + } + if (meta.index === last) { + break; + } + } + if (!stacks.length) { + stacks.push(void 0); + } + return stacks; + } + _getStackCount(index2) { + return this._getStacks(void 0, index2).length; + } + _getStackIndex(datasetIndex, name, dataIndex) { + const stacks = this._getStacks(datasetIndex, dataIndex); + const index2 = name !== void 0 ? stacks.indexOf(name) : -1; + return index2 === -1 ? stacks.length - 1 : index2; + } + _getRuler() { + const opts = this.options; + const meta = this._cachedMeta; + const iScale = meta.iScale; + const pixels = []; + let i, ilen; + for (i = 0, ilen = meta.data.length; i < ilen; ++i) { + pixels.push(iScale.getPixelForValue(this.getParsed(i)[iScale.axis], i)); + } + const barThickness = opts.barThickness; + const min = barThickness || computeMinSampleSize(meta); + return { + min, + pixels, + start: iScale._startPixel, + end: iScale._endPixel, + stackCount: this._getStackCount(), + scale: iScale, + grouped: opts.grouped, + ratio: barThickness ? 1 : opts.categoryPercentage * opts.barPercentage + }; + } + _calculateBarValuePixels(index2) { + const { _cachedMeta: { vScale, _stacked, index: datasetIndex }, options: { base: baseValue, minBarLength } } = this; + const actualBase = baseValue || 0; + const parsed = this.getParsed(index2); + const custom = parsed._custom; + const floating = isFloatBar(custom); + let value = parsed[vScale.axis]; + let start = 0; + let length = _stacked ? this.applyStack(vScale, parsed, _stacked) : value; + let head, size; + if (length !== value) { + start = length - value; + length = value; + } + if (floating) { + value = custom.barStart; + length = custom.barEnd - custom.barStart; + if (value !== 0 && sign(value) !== sign(custom.barEnd)) { + start = 0; + } + start += value; + } + const startValue = !isNullOrUndef(baseValue) && !floating ? baseValue : start; + let base = vScale.getPixelForValue(startValue); + if (this.chart.getDataVisibility(index2)) { + head = vScale.getPixelForValue(start + length); + } else { + head = base; + } + size = head - base; + if (Math.abs(size) < minBarLength) { + size = barSign(size, vScale, actualBase) * minBarLength; + if (value === actualBase) { + base -= size / 2; + } + const startPixel = vScale.getPixelForDecimal(0); + const endPixel = vScale.getPixelForDecimal(1); + const min = Math.min(startPixel, endPixel); + const max = Math.max(startPixel, endPixel); + base = Math.max(Math.min(base, max), min); + head = base + size; + if (_stacked && !floating) { + parsed._stacks[vScale.axis]._visualValues[datasetIndex] = vScale.getValueForPixel(head) - vScale.getValueForPixel(base); + } + } + if (base === vScale.getPixelForValue(actualBase)) { + const halfGrid = sign(size) * vScale.getLineWidthForValue(actualBase) / 2; + base += halfGrid; + size -= halfGrid; + } + return { + size, + base, + head, + center: head + size / 2 + }; + } + _calculateBarIndexPixels(index2, ruler) { + const scale = ruler.scale; + const options = this.options; + const skipNull = options.skipNull; + const maxBarThickness = valueOrDefault(options.maxBarThickness, Infinity); + let center, size; + if (ruler.grouped) { + const stackCount = skipNull ? this._getStackCount(index2) : ruler.stackCount; + const range = options.barThickness === "flex" ? computeFlexCategoryTraits(index2, ruler, options, stackCount) : computeFitCategoryTraits(index2, ruler, options, stackCount); + const stackIndex = this._getStackIndex(this.index, this._cachedMeta.stack, skipNull ? index2 : void 0); + center = range.start + range.chunk * stackIndex + range.chunk / 2; + size = Math.min(maxBarThickness, range.chunk * range.ratio); + } else { + center = scale.getPixelForValue(this.getParsed(index2)[scale.axis], index2); + size = Math.min(maxBarThickness, ruler.min * ruler.ratio); + } + return { + base: center - size / 2, + head: center + size / 2, + center, + size + }; + } + draw() { + const meta = this._cachedMeta; + const vScale = meta.vScale; + const rects = meta.data; + const ilen = rects.length; + let i = 0; + for (; i < ilen; ++i) { + if (this.getParsed(i)[vScale.axis] !== null) { + rects[i].draw(this._ctx); + } + } + } +}; +__publicField(BarController, "id", "bar"); +__publicField(BarController, "defaults", { + datasetElementType: false, + dataElementType: "bar", + categoryPercentage: 0.8, + barPercentage: 0.9, + grouped: true, + animations: { + numbers: { + type: "number", + properties: [ + "x", + "y", + "base", + "width", + "height" + ] + } + } +}); +__publicField(BarController, "overrides", { + scales: { + _index_: { + type: "category", + offset: true, + grid: { + offset: true + } + }, + _value_: { + type: "linear", + beginAtZero: true + } + } +}); +var BubbleController = class extends DatasetController { + initialize() { + this.enableOptionSharing = true; + super.initialize(); + } + parsePrimitiveData(meta, data2, start, count) { + const parsed = super.parsePrimitiveData(meta, data2, start, count); + for (let i = 0; i < parsed.length; i++) { + parsed[i]._custom = this.resolveDataElementOptions(i + start).radius; + } + return parsed; + } + parseArrayData(meta, data2, start, count) { + const parsed = super.parseArrayData(meta, data2, start, count); + for (let i = 0; i < parsed.length; i++) { + const item = data2[start + i]; + parsed[i]._custom = valueOrDefault(item[2], this.resolveDataElementOptions(i + start).radius); + } + return parsed; + } + parseObjectData(meta, data2, start, count) { + const parsed = super.parseObjectData(meta, data2, start, count); + for (let i = 0; i < parsed.length; i++) { + const item = data2[start + i]; + parsed[i]._custom = valueOrDefault(item && item.r && +item.r, this.resolveDataElementOptions(i + start).radius); + } + return parsed; + } + getMaxOverflow() { + const data2 = this._cachedMeta.data; + let max = 0; + for (let i = data2.length - 1; i >= 0; --i) { + max = Math.max(max, data2[i].size(this.resolveDataElementOptions(i)) / 2); + } + return max > 0 && max; + } + getLabelAndValue(index2) { + const meta = this._cachedMeta; + const labels = this.chart.data.labels || []; + const { xScale, yScale } = meta; + const parsed = this.getParsed(index2); + const x = xScale.getLabelForValue(parsed.x); + const y = yScale.getLabelForValue(parsed.y); + const r = parsed._custom; + return { + label: labels[index2] || "", + value: "(" + x + ", " + y + (r ? ", " + r : "") + ")" + }; + } + update(mode) { + const points = this._cachedMeta.data; + this.updateElements(points, 0, points.length, mode); + } + updateElements(points, start, count, mode) { + const reset = mode === "reset"; + const { iScale, vScale } = this._cachedMeta; + const { sharedOptions, includeOptions } = this._getSharedOptions(start, mode); + const iAxis = iScale.axis; + const vAxis = vScale.axis; + for (let i = start; i < start + count; i++) { + const point = points[i]; + const parsed = !reset && this.getParsed(i); + const properties = {}; + const iPixel = properties[iAxis] = reset ? iScale.getPixelForDecimal(0.5) : iScale.getPixelForValue(parsed[iAxis]); + const vPixel = properties[vAxis] = reset ? vScale.getBasePixel() : vScale.getPixelForValue(parsed[vAxis]); + properties.skip = isNaN(iPixel) || isNaN(vPixel); + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? "active" : mode); + if (reset) { + properties.options.radius = 0; + } + } + this.updateElement(point, i, properties, mode); + } + } + resolveDataElementOptions(index2, mode) { + const parsed = this.getParsed(index2); + let values = super.resolveDataElementOptions(index2, mode); + if (values.$shared) { + values = Object.assign({}, values, { + $shared: false + }); + } + const radius = values.radius; + if (mode !== "active") { + values.radius = 0; + } + values.radius += valueOrDefault(parsed && parsed._custom, radius); + return values; + } +}; +__publicField(BubbleController, "id", "bubble"); +__publicField(BubbleController, "defaults", { + datasetElementType: false, + dataElementType: "point", + animations: { + numbers: { + type: "number", + properties: [ + "x", + "y", + "borderWidth", + "radius" + ] + } + } +}); +__publicField(BubbleController, "overrides", { + scales: { + x: { + type: "linear" + }, + y: { + type: "linear" + } + } +}); +function getRatioAndOffset(rotation, circumference, cutout) { + let ratioX = 1; + let ratioY = 1; + let offsetX = 0; + let offsetY = 0; + if (circumference < TAU) { + const startAngle = rotation; + const endAngle = startAngle + circumference; + const startX = Math.cos(startAngle); + const startY = Math.sin(startAngle); + const endX = Math.cos(endAngle); + const endY = Math.sin(endAngle); + const calcMax = (angle, a, b) => _angleBetween(angle, startAngle, endAngle, true) ? 1 : Math.max(a, a * cutout, b, b * cutout); + const calcMin = (angle, a, b) => _angleBetween(angle, startAngle, endAngle, true) ? -1 : Math.min(a, a * cutout, b, b * cutout); + const maxX = calcMax(0, startX, endX); + const maxY = calcMax(HALF_PI, startY, endY); + const minX = calcMin(PI, startX, endX); + const minY = calcMin(PI + HALF_PI, startY, endY); + ratioX = (maxX - minX) / 2; + ratioY = (maxY - minY) / 2; + offsetX = -(maxX + minX) / 2; + offsetY = -(maxY + minY) / 2; + } + return { + ratioX, + ratioY, + offsetX, + offsetY + }; +} +var DoughnutController = class extends DatasetController { + constructor(chart, datasetIndex) { + super(chart, datasetIndex); + this.enableOptionSharing = true; + this.innerRadius = void 0; + this.outerRadius = void 0; + this.offsetX = void 0; + this.offsetY = void 0; + } + linkScales() { + } + parse(start, count) { + const data2 = this.getDataset().data; + const meta = this._cachedMeta; + if (this._parsing === false) { + meta._parsed = data2; + } else { + let getter = (i2) => +data2[i2]; + if (isObject(data2[start])) { + const { key = "value" } = this._parsing; + getter = (i2) => +resolveObjectKey(data2[i2], key); + } + let i, ilen; + for (i = start, ilen = start + count; i < ilen; ++i) { + meta._parsed[i] = getter(i); + } + } + } + _getRotation() { + return toRadians(this.options.rotation - 90); + } + _getCircumference() { + return toRadians(this.options.circumference); + } + _getRotationExtents() { + let min = TAU; + let max = -TAU; + for (let i = 0; i < this.chart.data.datasets.length; ++i) { + if (this.chart.isDatasetVisible(i) && this.chart.getDatasetMeta(i).type === this._type) { + const controller = this.chart.getDatasetMeta(i).controller; + const rotation = controller._getRotation(); + const circumference = controller._getCircumference(); + min = Math.min(min, rotation); + max = Math.max(max, rotation + circumference); + } + } + return { + rotation: min, + circumference: max - min + }; + } + update(mode) { + const chart = this.chart; + const { chartArea } = chart; + const meta = this._cachedMeta; + const arcs = meta.data; + const spacing = this.getMaxBorderWidth() + this.getMaxOffset(arcs) + this.options.spacing; + const maxSize = Math.max((Math.min(chartArea.width, chartArea.height) - spacing) / 2, 0); + const cutout = Math.min(toPercentage(this.options.cutout, maxSize), 1); + const chartWeight = this._getRingWeight(this.index); + const { circumference, rotation } = this._getRotationExtents(); + const { ratioX, ratioY, offsetX, offsetY } = getRatioAndOffset(rotation, circumference, cutout); + const maxWidth = (chartArea.width - spacing) / ratioX; + const maxHeight = (chartArea.height - spacing) / ratioY; + const maxRadius = Math.max(Math.min(maxWidth, maxHeight) / 2, 0); + const outerRadius = toDimension(this.options.radius, maxRadius); + const innerRadius = Math.max(outerRadius * cutout, 0); + const radiusLength = (outerRadius - innerRadius) / this._getVisibleDatasetWeightTotal(); + this.offsetX = offsetX * outerRadius; + this.offsetY = offsetY * outerRadius; + meta.total = this.calculateTotal(); + this.outerRadius = outerRadius - radiusLength * this._getRingWeightOffset(this.index); + this.innerRadius = Math.max(this.outerRadius - radiusLength * chartWeight, 0); + this.updateElements(arcs, 0, arcs.length, mode); + } + _circumference(i, reset) { + const opts = this.options; + const meta = this._cachedMeta; + const circumference = this._getCircumference(); + if (reset && opts.animation.animateRotate || !this.chart.getDataVisibility(i) || meta._parsed[i] === null || meta.data[i].hidden) { + return 0; + } + return this.calculateCircumference(meta._parsed[i] * circumference / TAU); + } + updateElements(arcs, start, count, mode) { + const reset = mode === "reset"; + const chart = this.chart; + const chartArea = chart.chartArea; + const opts = chart.options; + const animationOpts = opts.animation; + const centerX = (chartArea.left + chartArea.right) / 2; + const centerY = (chartArea.top + chartArea.bottom) / 2; + const animateScale = reset && animationOpts.animateScale; + const innerRadius = animateScale ? 0 : this.innerRadius; + const outerRadius = animateScale ? 0 : this.outerRadius; + const { sharedOptions, includeOptions } = this._getSharedOptions(start, mode); + let startAngle = this._getRotation(); + let i; + for (i = 0; i < start; ++i) { + startAngle += this._circumference(i, reset); + } + for (i = start; i < start + count; ++i) { + const circumference = this._circumference(i, reset); + const arc = arcs[i]; + const properties = { + x: centerX + this.offsetX, + y: centerY + this.offsetY, + startAngle, + endAngle: startAngle + circumference, + circumference, + outerRadius, + innerRadius + }; + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, arc.active ? "active" : mode); + } + startAngle += circumference; + this.updateElement(arc, i, properties, mode); + } + } + calculateTotal() { + const meta = this._cachedMeta; + const metaData = meta.data; + let total = 0; + let i; + for (i = 0; i < metaData.length; i++) { + const value = meta._parsed[i]; + if (value !== null && !isNaN(value) && this.chart.getDataVisibility(i) && !metaData[i].hidden) { + total += Math.abs(value); + } + } + return total; + } + calculateCircumference(value) { + const total = this._cachedMeta.total; + if (total > 0 && !isNaN(value)) { + return TAU * (Math.abs(value) / total); + } + return 0; + } + getLabelAndValue(index2) { + const meta = this._cachedMeta; + const chart = this.chart; + const labels = chart.data.labels || []; + const value = formatNumber(meta._parsed[index2], chart.options.locale); + return { + label: labels[index2] || "", + value + }; + } + getMaxBorderWidth(arcs) { + let max = 0; + const chart = this.chart; + let i, ilen, meta, controller, options; + if (!arcs) { + for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) { + if (chart.isDatasetVisible(i)) { + meta = chart.getDatasetMeta(i); + arcs = meta.data; + controller = meta.controller; + break; + } + } + } + if (!arcs) { + return 0; + } + for (i = 0, ilen = arcs.length; i < ilen; ++i) { + options = controller.resolveDataElementOptions(i); + if (options.borderAlign !== "inner") { + max = Math.max(max, options.borderWidth || 0, options.hoverBorderWidth || 0); + } + } + return max; + } + getMaxOffset(arcs) { + let max = 0; + for (let i = 0, ilen = arcs.length; i < ilen; ++i) { + const options = this.resolveDataElementOptions(i); + max = Math.max(max, options.offset || 0, options.hoverOffset || 0); + } + return max; + } + _getRingWeightOffset(datasetIndex) { + let ringWeightOffset = 0; + for (let i = 0; i < datasetIndex; ++i) { + if (this.chart.isDatasetVisible(i)) { + ringWeightOffset += this._getRingWeight(i); + } + } + return ringWeightOffset; + } + _getRingWeight(datasetIndex) { + return Math.max(valueOrDefault(this.chart.data.datasets[datasetIndex].weight, 1), 0); + } + _getVisibleDatasetWeightTotal() { + return this._getRingWeightOffset(this.chart.data.datasets.length) || 1; + } +}; +__publicField(DoughnutController, "id", "doughnut"); +__publicField(DoughnutController, "defaults", { + datasetElementType: false, + dataElementType: "arc", + animation: { + animateRotate: true, + animateScale: false + }, + animations: { + numbers: { + type: "number", + properties: [ + "circumference", + "endAngle", + "innerRadius", + "outerRadius", + "startAngle", + "x", + "y", + "offset", + "borderWidth", + "spacing" + ] + } + }, + cutout: "50%", + rotation: 0, + circumference: 360, + radius: "100%", + spacing: 0, + indexAxis: "r" +}); +__publicField(DoughnutController, "descriptors", { + _scriptable: (name) => name !== "spacing", + _indexable: (name) => name !== "spacing" && !name.startsWith("borderDash") && !name.startsWith("hoverBorderDash") +}); +__publicField(DoughnutController, "overrides", { + aspectRatio: 1, + plugins: { + legend: { + labels: { + generateLabels(chart) { + const data2 = chart.data; + if (data2.labels.length && data2.datasets.length) { + const { labels: { pointStyle, color: color2 } } = chart.legend.options; + return data2.labels.map((label, i) => { + const meta = chart.getDatasetMeta(0); + const style = meta.controller.getStyle(i); + return { + text: label, + fillStyle: style.backgroundColor, + strokeStyle: style.borderColor, + fontColor: color2, + lineWidth: style.borderWidth, + pointStyle, + hidden: !chart.getDataVisibility(i), + index: i + }; + }); + } + return []; + } + }, + onClick(e, legendItem, legend) { + legend.chart.toggleDataVisibility(legendItem.index); + legend.chart.update(); + } + } + } +}); +var LineController = class extends DatasetController { + initialize() { + this.enableOptionSharing = true; + this.supportsDecimation = true; + super.initialize(); + } + update(mode) { + const meta = this._cachedMeta; + const { dataset: line, data: points = [], _dataset } = meta; + const animationsDisabled = this.chart._animationsDisabled; + let { start, count } = _getStartAndCountOfVisiblePoints(meta, points, animationsDisabled); + this._drawStart = start; + this._drawCount = count; + if (_scaleRangesChanged(meta)) { + start = 0; + count = points.length; + } + line._chart = this.chart; + line._datasetIndex = this.index; + line._decimated = !!_dataset._decimated; + line.points = points; + const options = this.resolveDatasetElementOptions(mode); + if (!this.options.showLine) { + options.borderWidth = 0; + } + options.segment = this.options.segment; + this.updateElement(line, void 0, { + animated: !animationsDisabled, + options + }, mode); + this.updateElements(points, start, count, mode); + } + updateElements(points, start, count, mode) { + const reset = mode === "reset"; + const { iScale, vScale, _stacked, _dataset } = this._cachedMeta; + const { sharedOptions, includeOptions } = this._getSharedOptions(start, mode); + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const { spanGaps, segment } = this.options; + const maxGapLength = isNumber(spanGaps) ? spanGaps : Number.POSITIVE_INFINITY; + const directUpdate = this.chart._animationsDisabled || reset || mode === "none"; + const end = start + count; + const pointsCount = points.length; + let prevParsed = start > 0 && this.getParsed(start - 1); + for (let i = 0; i < pointsCount; ++i) { + const point = points[i]; + const properties = directUpdate ? point : {}; + if (i < start || i >= end) { + properties.skip = true; + continue; + } + const parsed = this.getParsed(i); + const nullData = isNullOrUndef(parsed[vAxis]); + const iPixel = properties[iAxis] = iScale.getPixelForValue(parsed[iAxis], i); + const vPixel = properties[vAxis] = reset || nullData ? vScale.getBasePixel() : vScale.getPixelForValue(_stacked ? this.applyStack(vScale, parsed, _stacked) : parsed[vAxis], i); + properties.skip = isNaN(iPixel) || isNaN(vPixel) || nullData; + properties.stop = i > 0 && Math.abs(parsed[iAxis] - prevParsed[iAxis]) > maxGapLength; + if (segment) { + properties.parsed = parsed; + properties.raw = _dataset.data[i]; + } + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? "active" : mode); + } + if (!directUpdate) { + this.updateElement(point, i, properties, mode); + } + prevParsed = parsed; + } + } + getMaxOverflow() { + const meta = this._cachedMeta; + const dataset = meta.dataset; + const border = dataset.options && dataset.options.borderWidth || 0; + const data2 = meta.data || []; + if (!data2.length) { + return border; + } + const firstPoint = data2[0].size(this.resolveDataElementOptions(0)); + const lastPoint = data2[data2.length - 1].size(this.resolveDataElementOptions(data2.length - 1)); + return Math.max(border, firstPoint, lastPoint) / 2; + } + draw() { + const meta = this._cachedMeta; + meta.dataset.updateControlPoints(this.chart.chartArea, meta.iScale.axis); + super.draw(); + } +}; +__publicField(LineController, "id", "line"); +__publicField(LineController, "defaults", { + datasetElementType: "line", + dataElementType: "point", + showLine: true, + spanGaps: false +}); +__publicField(LineController, "overrides", { + scales: { + _index_: { + type: "category" + }, + _value_: { + type: "linear" + } + } +}); +var PolarAreaController = class extends DatasetController { + constructor(chart, datasetIndex) { + super(chart, datasetIndex); + this.innerRadius = void 0; + this.outerRadius = void 0; + } + getLabelAndValue(index2) { + const meta = this._cachedMeta; + const chart = this.chart; + const labels = chart.data.labels || []; + const value = formatNumber(meta._parsed[index2].r, chart.options.locale); + return { + label: labels[index2] || "", + value + }; + } + parseObjectData(meta, data2, start, count) { + return _parseObjectDataRadialScale.bind(this)(meta, data2, start, count); + } + update(mode) { + const arcs = this._cachedMeta.data; + this._updateRadius(); + this.updateElements(arcs, 0, arcs.length, mode); + } + getMinMax() { + const meta = this._cachedMeta; + const range = { + min: Number.POSITIVE_INFINITY, + max: Number.NEGATIVE_INFINITY + }; + meta.data.forEach((element, index2) => { + const parsed = this.getParsed(index2).r; + if (!isNaN(parsed) && this.chart.getDataVisibility(index2)) { + if (parsed < range.min) { + range.min = parsed; + } + if (parsed > range.max) { + range.max = parsed; + } + } + }); + return range; + } + _updateRadius() { + const chart = this.chart; + const chartArea = chart.chartArea; + const opts = chart.options; + const minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top); + const outerRadius = Math.max(minSize / 2, 0); + const innerRadius = Math.max(opts.cutoutPercentage ? outerRadius / 100 * opts.cutoutPercentage : 1, 0); + const radiusLength = (outerRadius - innerRadius) / chart.getVisibleDatasetCount(); + this.outerRadius = outerRadius - radiusLength * this.index; + this.innerRadius = this.outerRadius - radiusLength; + } + updateElements(arcs, start, count, mode) { + const reset = mode === "reset"; + const chart = this.chart; + const opts = chart.options; + const animationOpts = opts.animation; + const scale = this._cachedMeta.rScale; + const centerX = scale.xCenter; + const centerY = scale.yCenter; + const datasetStartAngle = scale.getIndexAngle(0) - 0.5 * PI; + let angle = datasetStartAngle; + let i; + const defaultAngle = 360 / this.countVisibleElements(); + for (i = 0; i < start; ++i) { + angle += this._computeAngle(i, mode, defaultAngle); + } + for (i = start; i < start + count; i++) { + const arc = arcs[i]; + let startAngle = angle; + let endAngle = angle + this._computeAngle(i, mode, defaultAngle); + let outerRadius = chart.getDataVisibility(i) ? scale.getDistanceFromCenterForValue(this.getParsed(i).r) : 0; + angle = endAngle; + if (reset) { + if (animationOpts.animateScale) { + outerRadius = 0; + } + if (animationOpts.animateRotate) { + startAngle = endAngle = datasetStartAngle; + } + } + const properties = { + x: centerX, + y: centerY, + innerRadius: 0, + outerRadius, + startAngle, + endAngle, + options: this.resolveDataElementOptions(i, arc.active ? "active" : mode) + }; + this.updateElement(arc, i, properties, mode); + } + } + countVisibleElements() { + const meta = this._cachedMeta; + let count = 0; + meta.data.forEach((element, index2) => { + if (!isNaN(this.getParsed(index2).r) && this.chart.getDataVisibility(index2)) { + count++; + } + }); + return count; + } + _computeAngle(index2, mode, defaultAngle) { + return this.chart.getDataVisibility(index2) ? toRadians(this.resolveDataElementOptions(index2, mode).angle || defaultAngle) : 0; + } +}; +__publicField(PolarAreaController, "id", "polarArea"); +__publicField(PolarAreaController, "defaults", { + dataElementType: "arc", + animation: { + animateRotate: true, + animateScale: true + }, + animations: { + numbers: { + type: "number", + properties: [ + "x", + "y", + "startAngle", + "endAngle", + "innerRadius", + "outerRadius" + ] + } + }, + indexAxis: "r", + startAngle: 0 +}); +__publicField(PolarAreaController, "overrides", { + aspectRatio: 1, + plugins: { + legend: { + labels: { + generateLabels(chart) { + const data2 = chart.data; + if (data2.labels.length && data2.datasets.length) { + const { labels: { pointStyle, color: color2 } } = chart.legend.options; + return data2.labels.map((label, i) => { + const meta = chart.getDatasetMeta(0); + const style = meta.controller.getStyle(i); + return { + text: label, + fillStyle: style.backgroundColor, + strokeStyle: style.borderColor, + fontColor: color2, + lineWidth: style.borderWidth, + pointStyle, + hidden: !chart.getDataVisibility(i), + index: i + }; + }); + } + return []; + } + }, + onClick(e, legendItem, legend) { + legend.chart.toggleDataVisibility(legendItem.index); + legend.chart.update(); + } + } + }, + scales: { + r: { + type: "radialLinear", + angleLines: { + display: false + }, + beginAtZero: true, + grid: { + circular: true + }, + pointLabels: { + display: false + }, + startAngle: 0 + } + } +}); +var PieController = class extends DoughnutController { +}; +__publicField(PieController, "id", "pie"); +__publicField(PieController, "defaults", { + cutout: 0, + rotation: 0, + circumference: 360, + radius: "100%" +}); +var RadarController = class extends DatasetController { + getLabelAndValue(index2) { + const vScale = this._cachedMeta.vScale; + const parsed = this.getParsed(index2); + return { + label: vScale.getLabels()[index2], + value: "" + vScale.getLabelForValue(parsed[vScale.axis]) + }; + } + parseObjectData(meta, data2, start, count) { + return _parseObjectDataRadialScale.bind(this)(meta, data2, start, count); + } + update(mode) { + const meta = this._cachedMeta; + const line = meta.dataset; + const points = meta.data || []; + const labels = meta.iScale.getLabels(); + line.points = points; + if (mode !== "resize") { + const options = this.resolveDatasetElementOptions(mode); + if (!this.options.showLine) { + options.borderWidth = 0; + } + const properties = { + _loop: true, + _fullLoop: labels.length === points.length, + options + }; + this.updateElement(line, void 0, properties, mode); + } + this.updateElements(points, 0, points.length, mode); + } + updateElements(points, start, count, mode) { + const scale = this._cachedMeta.rScale; + const reset = mode === "reset"; + for (let i = start; i < start + count; i++) { + const point = points[i]; + const options = this.resolveDataElementOptions(i, point.active ? "active" : mode); + const pointPosition = scale.getPointPositionForValue(i, this.getParsed(i).r); + const x = reset ? scale.xCenter : pointPosition.x; + const y = reset ? scale.yCenter : pointPosition.y; + const properties = { + x, + y, + angle: pointPosition.angle, + skip: isNaN(x) || isNaN(y), + options + }; + this.updateElement(point, i, properties, mode); + } + } +}; +__publicField(RadarController, "id", "radar"); +__publicField(RadarController, "defaults", { + datasetElementType: "line", + dataElementType: "point", + indexAxis: "r", + showLine: true, + elements: { + line: { + fill: "start" + } + } +}); +__publicField(RadarController, "overrides", { + aspectRatio: 1, + scales: { + r: { + type: "radialLinear" + } + } +}); +var ScatterController = class extends DatasetController { + getLabelAndValue(index2) { + const meta = this._cachedMeta; + const labels = this.chart.data.labels || []; + const { xScale, yScale } = meta; + const parsed = this.getParsed(index2); + const x = xScale.getLabelForValue(parsed.x); + const y = yScale.getLabelForValue(parsed.y); + return { + label: labels[index2] || "", + value: "(" + x + ", " + y + ")" + }; + } + update(mode) { + const meta = this._cachedMeta; + const { data: points = [] } = meta; + const animationsDisabled = this.chart._animationsDisabled; + let { start, count } = _getStartAndCountOfVisiblePoints(meta, points, animationsDisabled); + this._drawStart = start; + this._drawCount = count; + if (_scaleRangesChanged(meta)) { + start = 0; + count = points.length; + } + if (this.options.showLine) { + const { dataset: line, _dataset } = meta; + line._chart = this.chart; + line._datasetIndex = this.index; + line._decimated = !!_dataset._decimated; + line.points = points; + const options = this.resolveDatasetElementOptions(mode); + options.segment = this.options.segment; + this.updateElement(line, void 0, { + animated: !animationsDisabled, + options + }, mode); + } + this.updateElements(points, start, count, mode); + } + addElements() { + const { showLine } = this.options; + if (!this.datasetElementType && showLine) { + this.datasetElementType = this.chart.registry.getElement("line"); + } + super.addElements(); + } + updateElements(points, start, count, mode) { + const reset = mode === "reset"; + const { iScale, vScale, _stacked, _dataset } = this._cachedMeta; + const firstOpts = this.resolveDataElementOptions(start, mode); + const sharedOptions = this.getSharedOptions(firstOpts); + const includeOptions = this.includeOptions(mode, sharedOptions); + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const { spanGaps, segment } = this.options; + const maxGapLength = isNumber(spanGaps) ? spanGaps : Number.POSITIVE_INFINITY; + const directUpdate = this.chart._animationsDisabled || reset || mode === "none"; + let prevParsed = start > 0 && this.getParsed(start - 1); + for (let i = start; i < start + count; ++i) { + const point = points[i]; + const parsed = this.getParsed(i); + const properties = directUpdate ? point : {}; + const nullData = isNullOrUndef(parsed[vAxis]); + const iPixel = properties[iAxis] = iScale.getPixelForValue(parsed[iAxis], i); + const vPixel = properties[vAxis] = reset || nullData ? vScale.getBasePixel() : vScale.getPixelForValue(_stacked ? this.applyStack(vScale, parsed, _stacked) : parsed[vAxis], i); + properties.skip = isNaN(iPixel) || isNaN(vPixel) || nullData; + properties.stop = i > 0 && Math.abs(parsed[iAxis] - prevParsed[iAxis]) > maxGapLength; + if (segment) { + properties.parsed = parsed; + properties.raw = _dataset.data[i]; + } + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? "active" : mode); + } + if (!directUpdate) { + this.updateElement(point, i, properties, mode); + } + prevParsed = parsed; + } + this.updateSharedOptions(sharedOptions, mode, firstOpts); + } + getMaxOverflow() { + const meta = this._cachedMeta; + const data2 = meta.data || []; + if (!this.options.showLine) { + let max = 0; + for (let i = data2.length - 1; i >= 0; --i) { + max = Math.max(max, data2[i].size(this.resolveDataElementOptions(i)) / 2); + } + return max > 0 && max; + } + const dataset = meta.dataset; + const border = dataset.options && dataset.options.borderWidth || 0; + if (!data2.length) { + return border; + } + const firstPoint = data2[0].size(this.resolveDataElementOptions(0)); + const lastPoint = data2[data2.length - 1].size(this.resolveDataElementOptions(data2.length - 1)); + return Math.max(border, firstPoint, lastPoint) / 2; + } +}; +__publicField(ScatterController, "id", "scatter"); +__publicField(ScatterController, "defaults", { + datasetElementType: false, + dataElementType: "point", + showLine: false, + fill: false +}); +__publicField(ScatterController, "overrides", { + interaction: { + mode: "point" + }, + scales: { + x: { + type: "linear" + }, + y: { + type: "linear" + } + } +}); +var controllers = /* @__PURE__ */ Object.freeze({ + __proto__: null, + BarController, + BubbleController, + DoughnutController, + LineController, + PieController, + PolarAreaController, + RadarController, + ScatterController +}); +function abstract() { + throw new Error("This method is not implemented: Check that a complete date adapter is provided."); +} +var DateAdapterBase = class { + /** + * Override default date adapter methods. + * Accepts type parameter to define options type. + * @example + * Chart._adapters._date.override<{myAdapterOption: string}>({ + * init() { + * console.log(this.options.myAdapterOption); + * } + * }) + */ + static override(members) { + Object.assign(DateAdapterBase.prototype, members); + } + options; + constructor(options) { + this.options = options || {}; + } + // eslint-disable-next-line @typescript-eslint/no-empty-function + init() { + } + formats() { + return abstract(); + } + parse() { + return abstract(); + } + format() { + return abstract(); + } + add() { + return abstract(); + } + diff() { + return abstract(); + } + startOf() { + return abstract(); + } + endOf() { + return abstract(); + } +}; +var adapters = { + _date: DateAdapterBase +}; +function binarySearch(metaset, axis, value, intersect) { + const { controller, data: data2, _sorted } = metaset; + const iScale = controller._cachedMeta.iScale; + if (iScale && axis === iScale.axis && axis !== "r" && _sorted && data2.length) { + const lookupMethod = iScale._reversePixels ? _rlookupByKey : _lookupByKey; + if (!intersect) { + return lookupMethod(data2, axis, value); + } else if (controller._sharedOptions) { + const el = data2[0]; + const range = typeof el.getRange === "function" && el.getRange(axis); + if (range) { + const start = lookupMethod(data2, axis, value - range); + const end = lookupMethod(data2, axis, value + range); + return { + lo: start.lo, + hi: end.hi + }; + } + } + } + return { + lo: 0, + hi: data2.length - 1 + }; +} +function evaluateInteractionItems(chart, axis, position, handler, intersect) { + const metasets = chart.getSortedVisibleDatasetMetas(); + const value = position[axis]; + for (let i = 0, ilen = metasets.length; i < ilen; ++i) { + const { index: index2, data: data2 } = metasets[i]; + const { lo, hi } = binarySearch(metasets[i], axis, value, intersect); + for (let j = lo; j <= hi; ++j) { + const element = data2[j]; + if (!element.skip) { + handler(element, index2, j); + } + } + } +} +function getDistanceMetricForAxis(axis) { + const useX = axis.indexOf("x") !== -1; + const useY = axis.indexOf("y") !== -1; + return function(pt1, pt2) { + const deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0; + const deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0; + return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2)); + }; +} +function getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible) { + const items = []; + if (!includeInvisible && !chart.isPointInArea(position)) { + return items; + } + const evaluationFunc = function(element, datasetIndex, index2) { + if (!includeInvisible && !_isPointInArea(element, chart.chartArea, 0)) { + return; + } + if (element.inRange(position.x, position.y, useFinalPosition)) { + items.push({ + element, + datasetIndex, + index: index2 + }); + } + }; + evaluateInteractionItems(chart, axis, position, evaluationFunc, true); + return items; +} +function getNearestRadialItems(chart, position, axis, useFinalPosition) { + let items = []; + function evaluationFunc(element, datasetIndex, index2) { + const { startAngle, endAngle } = element.getProps([ + "startAngle", + "endAngle" + ], useFinalPosition); + const { angle } = getAngleFromPoint(element, { + x: position.x, + y: position.y + }); + if (_angleBetween(angle, startAngle, endAngle)) { + items.push({ + element, + datasetIndex, + index: index2 + }); + } + } + evaluateInteractionItems(chart, axis, position, evaluationFunc); + return items; +} +function getNearestCartesianItems(chart, position, axis, intersect, useFinalPosition, includeInvisible) { + let items = []; + const distanceMetric = getDistanceMetricForAxis(axis); + let minDistance = Number.POSITIVE_INFINITY; + function evaluationFunc(element, datasetIndex, index2) { + const inRange2 = element.inRange(position.x, position.y, useFinalPosition); + if (intersect && !inRange2) { + return; + } + const center = element.getCenterPoint(useFinalPosition); + const pointInArea = !!includeInvisible || chart.isPointInArea(center); + if (!pointInArea && !inRange2) { + return; + } + const distance = distanceMetric(position, center); + if (distance < minDistance) { + items = [ + { + element, + datasetIndex, + index: index2 + } + ]; + minDistance = distance; + } else if (distance === minDistance) { + items.push({ + element, + datasetIndex, + index: index2 + }); + } + } + evaluateInteractionItems(chart, axis, position, evaluationFunc); + return items; +} +function getNearestItems(chart, position, axis, intersect, useFinalPosition, includeInvisible) { + if (!includeInvisible && !chart.isPointInArea(position)) { + return []; + } + return axis === "r" && !intersect ? getNearestRadialItems(chart, position, axis, useFinalPosition) : getNearestCartesianItems(chart, position, axis, intersect, useFinalPosition, includeInvisible); +} +function getAxisItems(chart, position, axis, intersect, useFinalPosition) { + const items = []; + const rangeMethod = axis === "x" ? "inXRange" : "inYRange"; + let intersectsItem = false; + evaluateInteractionItems(chart, axis, position, (element, datasetIndex, index2) => { + if (element[rangeMethod](position[axis], useFinalPosition)) { + items.push({ + element, + datasetIndex, + index: index2 + }); + intersectsItem = intersectsItem || element.inRange(position.x, position.y, useFinalPosition); + } + }); + if (intersect && !intersectsItem) { + return []; + } + return items; +} +var Interaction = { + evaluateInteractionItems, + modes: { + index(chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + const axis = options.axis || "x"; + const includeInvisible = options.includeInvisible || false; + const items = options.intersect ? getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible) : getNearestItems(chart, position, axis, false, useFinalPosition, includeInvisible); + const elements2 = []; + if (!items.length) { + return []; + } + chart.getSortedVisibleDatasetMetas().forEach((meta) => { + const index2 = items[0].index; + const element = meta.data[index2]; + if (element && !element.skip) { + elements2.push({ + element, + datasetIndex: meta.index, + index: index2 + }); + } + }); + return elements2; + }, + dataset(chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + const axis = options.axis || "xy"; + const includeInvisible = options.includeInvisible || false; + let items = options.intersect ? getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible) : getNearestItems(chart, position, axis, false, useFinalPosition, includeInvisible); + if (items.length > 0) { + const datasetIndex = items[0].datasetIndex; + const data2 = chart.getDatasetMeta(datasetIndex).data; + items = []; + for (let i = 0; i < data2.length; ++i) { + items.push({ + element: data2[i], + datasetIndex, + index: i + }); + } + } + return items; + }, + point(chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + const axis = options.axis || "xy"; + const includeInvisible = options.includeInvisible || false; + return getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible); + }, + nearest(chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + const axis = options.axis || "xy"; + const includeInvisible = options.includeInvisible || false; + return getNearestItems(chart, position, axis, options.intersect, useFinalPosition, includeInvisible); + }, + x(chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + return getAxisItems(chart, position, "x", options.intersect, useFinalPosition); + }, + y(chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + return getAxisItems(chart, position, "y", options.intersect, useFinalPosition); + } + } +}; +var STATIC_POSITIONS = [ + "left", + "top", + "right", + "bottom" +]; +function filterByPosition(array, position) { + return array.filter((v) => v.pos === position); +} +function filterDynamicPositionByAxis(array, axis) { + return array.filter((v) => STATIC_POSITIONS.indexOf(v.pos) === -1 && v.box.axis === axis); +} +function sortByWeight(array, reverse) { + return array.sort((a, b) => { + const v0 = reverse ? b : a; + const v1 = reverse ? a : b; + return v0.weight === v1.weight ? v0.index - v1.index : v0.weight - v1.weight; + }); +} +function wrapBoxes(boxes) { + const layoutBoxes = []; + let i, ilen, box, pos, stack, stackWeight; + for (i = 0, ilen = (boxes || []).length; i < ilen; ++i) { + box = boxes[i]; + ({ position: pos, options: { stack, stackWeight = 1 } } = box); + layoutBoxes.push({ + index: i, + box, + pos, + horizontal: box.isHorizontal(), + weight: box.weight, + stack: stack && pos + stack, + stackWeight + }); + } + return layoutBoxes; +} +function buildStacks(layouts2) { + const stacks = {}; + for (const wrap of layouts2) { + const { stack, pos, stackWeight } = wrap; + if (!stack || !STATIC_POSITIONS.includes(pos)) { + continue; + } + const _stack = stacks[stack] || (stacks[stack] = { + count: 0, + placed: 0, + weight: 0, + size: 0 + }); + _stack.count++; + _stack.weight += stackWeight; + } + return stacks; +} +function setLayoutDims(layouts2, params) { + const stacks = buildStacks(layouts2); + const { vBoxMaxWidth, hBoxMaxHeight } = params; + let i, ilen, layout; + for (i = 0, ilen = layouts2.length; i < ilen; ++i) { + layout = layouts2[i]; + const { fullSize } = layout.box; + const stack = stacks[layout.stack]; + const factor = stack && layout.stackWeight / stack.weight; + if (layout.horizontal) { + layout.width = factor ? factor * vBoxMaxWidth : fullSize && params.availableWidth; + layout.height = hBoxMaxHeight; + } else { + layout.width = vBoxMaxWidth; + layout.height = factor ? factor * hBoxMaxHeight : fullSize && params.availableHeight; + } + } + return stacks; +} +function buildLayoutBoxes(boxes) { + const layoutBoxes = wrapBoxes(boxes); + const fullSize = sortByWeight(layoutBoxes.filter((wrap) => wrap.box.fullSize), true); + const left = sortByWeight(filterByPosition(layoutBoxes, "left"), true); + const right = sortByWeight(filterByPosition(layoutBoxes, "right")); + const top = sortByWeight(filterByPosition(layoutBoxes, "top"), true); + const bottom = sortByWeight(filterByPosition(layoutBoxes, "bottom")); + const centerHorizontal = filterDynamicPositionByAxis(layoutBoxes, "x"); + const centerVertical = filterDynamicPositionByAxis(layoutBoxes, "y"); + return { + fullSize, + leftAndTop: left.concat(top), + rightAndBottom: right.concat(centerVertical).concat(bottom).concat(centerHorizontal), + chartArea: filterByPosition(layoutBoxes, "chartArea"), + vertical: left.concat(right).concat(centerVertical), + horizontal: top.concat(bottom).concat(centerHorizontal) + }; +} +function getCombinedMax(maxPadding, chartArea, a, b) { + return Math.max(maxPadding[a], chartArea[a]) + Math.max(maxPadding[b], chartArea[b]); +} +function updateMaxPadding(maxPadding, boxPadding) { + maxPadding.top = Math.max(maxPadding.top, boxPadding.top); + maxPadding.left = Math.max(maxPadding.left, boxPadding.left); + maxPadding.bottom = Math.max(maxPadding.bottom, boxPadding.bottom); + maxPadding.right = Math.max(maxPadding.right, boxPadding.right); +} +function updateDims(chartArea, params, layout, stacks) { + const { pos, box } = layout; + const maxPadding = chartArea.maxPadding; + if (!isObject(pos)) { + if (layout.size) { + chartArea[pos] -= layout.size; + } + const stack = stacks[layout.stack] || { + size: 0, + count: 1 + }; + stack.size = Math.max(stack.size, layout.horizontal ? box.height : box.width); + layout.size = stack.size / stack.count; + chartArea[pos] += layout.size; + } + if (box.getPadding) { + updateMaxPadding(maxPadding, box.getPadding()); + } + const newWidth = Math.max(0, params.outerWidth - getCombinedMax(maxPadding, chartArea, "left", "right")); + const newHeight = Math.max(0, params.outerHeight - getCombinedMax(maxPadding, chartArea, "top", "bottom")); + const widthChanged = newWidth !== chartArea.w; + const heightChanged = newHeight !== chartArea.h; + chartArea.w = newWidth; + chartArea.h = newHeight; + return layout.horizontal ? { + same: widthChanged, + other: heightChanged + } : { + same: heightChanged, + other: widthChanged + }; +} +function handleMaxPadding(chartArea) { + const maxPadding = chartArea.maxPadding; + function updatePos(pos) { + const change = Math.max(maxPadding[pos] - chartArea[pos], 0); + chartArea[pos] += change; + return change; + } + chartArea.y += updatePos("top"); + chartArea.x += updatePos("left"); + updatePos("right"); + updatePos("bottom"); +} +function getMargins(horizontal, chartArea) { + const maxPadding = chartArea.maxPadding; + function marginForPositions(positions2) { + const margin = { + left: 0, + top: 0, + right: 0, + bottom: 0 + }; + positions2.forEach((pos) => { + margin[pos] = Math.max(chartArea[pos], maxPadding[pos]); + }); + return margin; + } + return horizontal ? marginForPositions([ + "left", + "right" + ]) : marginForPositions([ + "top", + "bottom" + ]); +} +function fitBoxes(boxes, chartArea, params, stacks) { + const refitBoxes = []; + let i, ilen, layout, box, refit, changed; + for (i = 0, ilen = boxes.length, refit = 0; i < ilen; ++i) { + layout = boxes[i]; + box = layout.box; + box.update(layout.width || chartArea.w, layout.height || chartArea.h, getMargins(layout.horizontal, chartArea)); + const { same, other } = updateDims(chartArea, params, layout, stacks); + refit |= same && refitBoxes.length; + changed = changed || other; + if (!box.fullSize) { + refitBoxes.push(layout); + } + } + return refit && fitBoxes(refitBoxes, chartArea, params, stacks) || changed; +} +function setBoxDims(box, left, top, width, height) { + box.top = top; + box.left = left; + box.right = left + width; + box.bottom = top + height; + box.width = width; + box.height = height; +} +function placeBoxes(boxes, chartArea, params, stacks) { + const userPadding = params.padding; + let { x, y } = chartArea; + for (const layout of boxes) { + const box = layout.box; + const stack = stacks[layout.stack] || { + count: 1, + placed: 0, + weight: 1 + }; + const weight = layout.stackWeight / stack.weight || 1; + if (layout.horizontal) { + const width = chartArea.w * weight; + const height = stack.size || box.height; + if (defined(stack.start)) { + y = stack.start; + } + if (box.fullSize) { + setBoxDims(box, userPadding.left, y, params.outerWidth - userPadding.right - userPadding.left, height); + } else { + setBoxDims(box, chartArea.left + stack.placed, y, width, height); + } + stack.start = y; + stack.placed += width; + y = box.bottom; + } else { + const height = chartArea.h * weight; + const width = stack.size || box.width; + if (defined(stack.start)) { + x = stack.start; + } + if (box.fullSize) { + setBoxDims(box, x, userPadding.top, width, params.outerHeight - userPadding.bottom - userPadding.top); + } else { + setBoxDims(box, x, chartArea.top + stack.placed, width, height); + } + stack.start = x; + stack.placed += height; + x = box.right; + } + } + chartArea.x = x; + chartArea.y = y; +} +var layouts = { + addBox(chart, item) { + if (!chart.boxes) { + chart.boxes = []; + } + item.fullSize = item.fullSize || false; + item.position = item.position || "top"; + item.weight = item.weight || 0; + item._layers = item._layers || function() { + return [ + { + z: 0, + draw(chartArea) { + item.draw(chartArea); + } + } + ]; + }; + chart.boxes.push(item); + }, + removeBox(chart, layoutItem) { + const index2 = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1; + if (index2 !== -1) { + chart.boxes.splice(index2, 1); + } + }, + configure(chart, item, options) { + item.fullSize = options.fullSize; + item.position = options.position; + item.weight = options.weight; + }, + update(chart, width, height, minPadding) { + if (!chart) { + return; + } + const padding = toPadding(chart.options.layout.padding); + const availableWidth = Math.max(width - padding.width, 0); + const availableHeight = Math.max(height - padding.height, 0); + const boxes = buildLayoutBoxes(chart.boxes); + const verticalBoxes = boxes.vertical; + const horizontalBoxes = boxes.horizontal; + each(chart.boxes, (box) => { + if (typeof box.beforeLayout === "function") { + box.beforeLayout(); + } + }); + const visibleVerticalBoxCount = verticalBoxes.reduce((total, wrap) => wrap.box.options && wrap.box.options.display === false ? total : total + 1, 0) || 1; + const params = Object.freeze({ + outerWidth: width, + outerHeight: height, + padding, + availableWidth, + availableHeight, + vBoxMaxWidth: availableWidth / 2 / visibleVerticalBoxCount, + hBoxMaxHeight: availableHeight / 2 + }); + const maxPadding = Object.assign({}, padding); + updateMaxPadding(maxPadding, toPadding(minPadding)); + const chartArea = Object.assign({ + maxPadding, + w: availableWidth, + h: availableHeight, + x: padding.left, + y: padding.top + }, padding); + const stacks = setLayoutDims(verticalBoxes.concat(horizontalBoxes), params); + fitBoxes(boxes.fullSize, chartArea, params, stacks); + fitBoxes(verticalBoxes, chartArea, params, stacks); + if (fitBoxes(horizontalBoxes, chartArea, params, stacks)) { + fitBoxes(verticalBoxes, chartArea, params, stacks); + } + handleMaxPadding(chartArea); + placeBoxes(boxes.leftAndTop, chartArea, params, stacks); + chartArea.x += chartArea.w; + chartArea.y += chartArea.h; + placeBoxes(boxes.rightAndBottom, chartArea, params, stacks); + chart.chartArea = { + left: chartArea.left, + top: chartArea.top, + right: chartArea.left + chartArea.w, + bottom: chartArea.top + chartArea.h, + height: chartArea.h, + width: chartArea.w + }; + each(boxes.chartArea, (layout) => { + const box = layout.box; + Object.assign(box, chart.chartArea); + box.update(chartArea.w, chartArea.h, { + left: 0, + top: 0, + right: 0, + bottom: 0 + }); + }); + } +}; +var BasePlatform = class { + acquireContext(canvas, aspectRatio) { + } + releaseContext(context) { + return false; + } + addEventListener(chart, type, listener) { + } + removeEventListener(chart, type, listener) { + } + getDevicePixelRatio() { + return 1; + } + getMaximumSize(element, width, height, aspectRatio) { + width = Math.max(0, width || element.width); + height = height || element.height; + return { + width, + height: Math.max(0, aspectRatio ? Math.floor(width / aspectRatio) : height) + }; + } + isAttached(canvas) { + return true; + } + updateConfig(config) { + } +}; +var BasicPlatform = class extends BasePlatform { + acquireContext(item) { + return item && item.getContext && item.getContext("2d") || null; + } + updateConfig(config) { + config.options.animation = false; + } +}; +var EXPANDO_KEY = "$chartjs"; +var EVENT_TYPES = { + touchstart: "mousedown", + touchmove: "mousemove", + touchend: "mouseup", + pointerenter: "mouseenter", + pointerdown: "mousedown", + pointermove: "mousemove", + pointerup: "mouseup", + pointerleave: "mouseout", + pointerout: "mouseout" +}; +var isNullOrEmpty = (value) => value === null || value === ""; +function initCanvas(canvas, aspectRatio) { + const style = canvas.style; + const renderHeight = canvas.getAttribute("height"); + const renderWidth = canvas.getAttribute("width"); + canvas[EXPANDO_KEY] = { + initial: { + height: renderHeight, + width: renderWidth, + style: { + display: style.display, + height: style.height, + width: style.width + } + } + }; + style.display = style.display || "block"; + style.boxSizing = style.boxSizing || "border-box"; + if (isNullOrEmpty(renderWidth)) { + const displayWidth = readUsedSize(canvas, "width"); + if (displayWidth !== void 0) { + canvas.width = displayWidth; + } + } + if (isNullOrEmpty(renderHeight)) { + if (canvas.style.height === "") { + canvas.height = canvas.width / (aspectRatio || 2); + } else { + const displayHeight = readUsedSize(canvas, "height"); + if (displayHeight !== void 0) { + canvas.height = displayHeight; + } + } + } + return canvas; +} +var eventListenerOptions = supportsEventListenerOptions ? { + passive: true +} : false; +function addListener(node, type, listener) { + node.addEventListener(type, listener, eventListenerOptions); +} +function removeListener(chart, type, listener) { + chart.canvas.removeEventListener(type, listener, eventListenerOptions); +} +function fromNativeEvent(event, chart) { + const type = EVENT_TYPES[event.type] || event.type; + const { x, y } = getRelativePosition(event, chart); + return { + type, + chart, + native: event, + x: x !== void 0 ? x : null, + y: y !== void 0 ? y : null + }; +} +function nodeListContains(nodeList, canvas) { + for (const node of nodeList) { + if (node === canvas || node.contains(canvas)) { + return true; + } + } +} +function createAttachObserver(chart, type, listener) { + const canvas = chart.canvas; + const observer = new MutationObserver((entries) => { + let trigger = false; + for (const entry of entries) { + trigger = trigger || nodeListContains(entry.addedNodes, canvas); + trigger = trigger && !nodeListContains(entry.removedNodes, canvas); + } + if (trigger) { + listener(); + } + }); + observer.observe(document, { + childList: true, + subtree: true + }); + return observer; +} +function createDetachObserver(chart, type, listener) { + const canvas = chart.canvas; + const observer = new MutationObserver((entries) => { + let trigger = false; + for (const entry of entries) { + trigger = trigger || nodeListContains(entry.removedNodes, canvas); + trigger = trigger && !nodeListContains(entry.addedNodes, canvas); + } + if (trigger) { + listener(); + } + }); + observer.observe(document, { + childList: true, + subtree: true + }); + return observer; +} +var drpListeningCharts = /* @__PURE__ */ new Map(); +var oldDevicePixelRatio = 0; +function onWindowResize() { + const dpr = window.devicePixelRatio; + if (dpr === oldDevicePixelRatio) { + return; + } + oldDevicePixelRatio = dpr; + drpListeningCharts.forEach((resize, chart) => { + if (chart.currentDevicePixelRatio !== dpr) { + resize(); + } + }); +} +function listenDevicePixelRatioChanges(chart, resize) { + if (!drpListeningCharts.size) { + window.addEventListener("resize", onWindowResize); + } + drpListeningCharts.set(chart, resize); +} +function unlistenDevicePixelRatioChanges(chart) { + drpListeningCharts.delete(chart); + if (!drpListeningCharts.size) { + window.removeEventListener("resize", onWindowResize); + } +} +function createResizeObserver(chart, type, listener) { + const canvas = chart.canvas; + const container = canvas && _getParentNode(canvas); + if (!container) { + return; + } + const resize = throttled((width, height) => { + const w = container.clientWidth; + listener(width, height); + if (w < container.clientWidth) { + listener(); + } + }, window); + const observer = new ResizeObserver((entries) => { + const entry = entries[0]; + const width = entry.contentRect.width; + const height = entry.contentRect.height; + if (width === 0 && height === 0) { + return; + } + resize(width, height); + }); + observer.observe(container); + listenDevicePixelRatioChanges(chart, resize); + return observer; +} +function releaseObserver(chart, type, observer) { + if (observer) { + observer.disconnect(); + } + if (type === "resize") { + unlistenDevicePixelRatioChanges(chart); + } +} +function createProxyAndListen(chart, type, listener) { + const canvas = chart.canvas; + const proxy = throttled((event) => { + if (chart.ctx !== null) { + listener(fromNativeEvent(event, chart)); + } + }, chart); + addListener(canvas, type, proxy); + return proxy; +} +var DomPlatform = class extends BasePlatform { + acquireContext(canvas, aspectRatio) { + const context = canvas && canvas.getContext && canvas.getContext("2d"); + if (context && context.canvas === canvas) { + initCanvas(canvas, aspectRatio); + return context; + } + return null; + } + releaseContext(context) { + const canvas = context.canvas; + if (!canvas[EXPANDO_KEY]) { + return false; + } + const initial = canvas[EXPANDO_KEY].initial; + [ + "height", + "width" + ].forEach((prop) => { + const value = initial[prop]; + if (isNullOrUndef(value)) { + canvas.removeAttribute(prop); + } else { + canvas.setAttribute(prop, value); + } + }); + const style = initial.style || {}; + Object.keys(style).forEach((key) => { + canvas.style[key] = style[key]; + }); + canvas.width = canvas.width; + delete canvas[EXPANDO_KEY]; + return true; + } + addEventListener(chart, type, listener) { + this.removeEventListener(chart, type); + const proxies = chart.$proxies || (chart.$proxies = {}); + const handlers = { + attach: createAttachObserver, + detach: createDetachObserver, + resize: createResizeObserver + }; + const handler = handlers[type] || createProxyAndListen; + proxies[type] = handler(chart, type, listener); + } + removeEventListener(chart, type) { + const proxies = chart.$proxies || (chart.$proxies = {}); + const proxy = proxies[type]; + if (!proxy) { + return; + } + const handlers = { + attach: releaseObserver, + detach: releaseObserver, + resize: releaseObserver + }; + const handler = handlers[type] || removeListener; + handler(chart, type, proxy); + proxies[type] = void 0; + } + getDevicePixelRatio() { + return window.devicePixelRatio; + } + getMaximumSize(canvas, width, height, aspectRatio) { + return getMaximumSize(canvas, width, height, aspectRatio); + } + isAttached(canvas) { + const container = _getParentNode(canvas); + return !!(container && container.isConnected); + } +}; +function _detectPlatform(canvas) { + if (!_isDomSupported() || typeof OffscreenCanvas !== "undefined" && canvas instanceof OffscreenCanvas) { + return BasicPlatform; + } + return DomPlatform; +} +var Element = class { + x; + y; + active = false; + options; + $animations; + tooltipPosition(useFinalPosition) { + const { x, y } = this.getProps([ + "x", + "y" + ], useFinalPosition); + return { + x, + y + }; + } + hasValue() { + return isNumber(this.x) && isNumber(this.y); + } + getProps(props, final) { + const anims = this.$animations; + if (!final || !anims) { + return this; + } + const ret = {}; + props.forEach((prop) => { + ret[prop] = anims[prop] && anims[prop].active() ? anims[prop]._to : this[prop]; + }); + return ret; + } +}; +__publicField(Element, "defaults", {}); +__publicField(Element, "defaultRoutes"); +function autoSkip(scale, ticks) { + const tickOpts = scale.options.ticks; + const determinedMaxTicks = determineMaxTicks(scale); + const ticksLimit = Math.min(tickOpts.maxTicksLimit || determinedMaxTicks, determinedMaxTicks); + const majorIndices = tickOpts.major.enabled ? getMajorIndices(ticks) : []; + const numMajorIndices = majorIndices.length; + const first = majorIndices[0]; + const last = majorIndices[numMajorIndices - 1]; + const newTicks = []; + if (numMajorIndices > ticksLimit) { + skipMajors(ticks, newTicks, majorIndices, numMajorIndices / ticksLimit); + return newTicks; + } + const spacing = calculateSpacing(majorIndices, ticks, ticksLimit); + if (numMajorIndices > 0) { + let i, ilen; + const avgMajorSpacing = numMajorIndices > 1 ? Math.round((last - first) / (numMajorIndices - 1)) : null; + skip(ticks, newTicks, spacing, isNullOrUndef(avgMajorSpacing) ? 0 : first - avgMajorSpacing, first); + for (i = 0, ilen = numMajorIndices - 1; i < ilen; i++) { + skip(ticks, newTicks, spacing, majorIndices[i], majorIndices[i + 1]); + } + skip(ticks, newTicks, spacing, last, isNullOrUndef(avgMajorSpacing) ? ticks.length : last + avgMajorSpacing); + return newTicks; + } + skip(ticks, newTicks, spacing); + return newTicks; +} +function determineMaxTicks(scale) { + const offset = scale.options.offset; + const tickLength = scale._tickSize(); + const maxScale = scale._length / tickLength + (offset ? 0 : 1); + const maxChart = scale._maxLength / tickLength; + return Math.floor(Math.min(maxScale, maxChart)); +} +function calculateSpacing(majorIndices, ticks, ticksLimit) { + const evenMajorSpacing = getEvenSpacing(majorIndices); + const spacing = ticks.length / ticksLimit; + if (!evenMajorSpacing) { + return Math.max(spacing, 1); + } + const factors = _factorize(evenMajorSpacing); + for (let i = 0, ilen = factors.length - 1; i < ilen; i++) { + const factor = factors[i]; + if (factor > spacing) { + return factor; + } + } + return Math.max(spacing, 1); +} +function getMajorIndices(ticks) { + const result = []; + let i, ilen; + for (i = 0, ilen = ticks.length; i < ilen; i++) { + if (ticks[i].major) { + result.push(i); + } + } + return result; +} +function skipMajors(ticks, newTicks, majorIndices, spacing) { + let count = 0; + let next = majorIndices[0]; + let i; + spacing = Math.ceil(spacing); + for (i = 0; i < ticks.length; i++) { + if (i === next) { + newTicks.push(ticks[i]); + count++; + next = majorIndices[count * spacing]; + } + } +} +function skip(ticks, newTicks, spacing, majorStart, majorEnd) { + const start = valueOrDefault(majorStart, 0); + const end = Math.min(valueOrDefault(majorEnd, ticks.length), ticks.length); + let count = 0; + let length, i, next; + spacing = Math.ceil(spacing); + if (majorEnd) { + length = majorEnd - majorStart; + spacing = length / Math.floor(length / spacing); + } + next = start; + while (next < 0) { + count++; + next = Math.round(start + count * spacing); + } + for (i = Math.max(start, 0); i < end; i++) { + if (i === next) { + newTicks.push(ticks[i]); + count++; + next = Math.round(start + count * spacing); + } + } +} +function getEvenSpacing(arr) { + const len = arr.length; + let i, diff; + if (len < 2) { + return false; + } + for (diff = arr[0], i = 1; i < len; ++i) { + if (arr[i] - arr[i - 1] !== diff) { + return false; + } + } + return diff; +} +var reverseAlign = (align) => align === "left" ? "right" : align === "right" ? "left" : align; +var offsetFromEdge = (scale, edge, offset) => edge === "top" || edge === "left" ? scale[edge] + offset : scale[edge] - offset; +var getTicksLimit = (ticksLength, maxTicksLimit) => Math.min(maxTicksLimit || ticksLength, ticksLength); +function sample(arr, numItems) { + const result = []; + const increment = arr.length / numItems; + const len = arr.length; + let i = 0; + for (; i < len; i += increment) { + result.push(arr[Math.floor(i)]); + } + return result; +} +function getPixelForGridLine(scale, index2, offsetGridLines) { + const length = scale.ticks.length; + const validIndex2 = Math.min(index2, length - 1); + const start = scale._startPixel; + const end = scale._endPixel; + const epsilon = 1e-6; + let lineValue = scale.getPixelForTick(validIndex2); + let offset; + if (offsetGridLines) { + if (length === 1) { + offset = Math.max(lineValue - start, end - lineValue); + } else if (index2 === 0) { + offset = (scale.getPixelForTick(1) - lineValue) / 2; + } else { + offset = (lineValue - scale.getPixelForTick(validIndex2 - 1)) / 2; + } + lineValue += validIndex2 < index2 ? offset : -offset; + if (lineValue < start - epsilon || lineValue > end + epsilon) { + return; + } + } + return lineValue; +} +function garbageCollect(caches, length) { + each(caches, (cache) => { + const gc = cache.gc; + const gcLen = gc.length / 2; + let i; + if (gcLen > length) { + for (i = 0; i < gcLen; ++i) { + delete cache.data[gc[i]]; + } + gc.splice(0, gcLen); + } + }); +} +function getTickMarkLength(options) { + return options.drawTicks ? options.tickLength : 0; +} +function getTitleHeight(options, fallback) { + if (!options.display) { + return 0; + } + const font = toFont(options.font, fallback); + const padding = toPadding(options.padding); + const lines = isArray(options.text) ? options.text.length : 1; + return lines * font.lineHeight + padding.height; +} +function createScaleContext(parent, scale) { + return createContext(parent, { + scale, + type: "scale" + }); +} +function createTickContext(parent, index2, tick) { + return createContext(parent, { + tick, + index: index2, + type: "tick" + }); +} +function titleAlign(align, position, reverse) { + let ret = _toLeftRightCenter(align); + if (reverse && position !== "right" || !reverse && position === "right") { + ret = reverseAlign(ret); + } + return ret; +} +function titleArgs(scale, offset, position, align) { + const { top, left, bottom, right, chart } = scale; + const { chartArea, scales: scales2 } = chart; + let rotation = 0; + let maxWidth, titleX, titleY; + const height = bottom - top; + const width = right - left; + if (scale.isHorizontal()) { + titleX = _alignStartEnd(align, left, right); + if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + titleY = scales2[positionAxisID].getPixelForValue(value) + height - offset; + } else if (position === "center") { + titleY = (chartArea.bottom + chartArea.top) / 2 + height - offset; + } else { + titleY = offsetFromEdge(scale, position, offset); + } + maxWidth = right - left; + } else { + if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + titleX = scales2[positionAxisID].getPixelForValue(value) - width + offset; + } else if (position === "center") { + titleX = (chartArea.left + chartArea.right) / 2 - width + offset; + } else { + titleX = offsetFromEdge(scale, position, offset); + } + titleY = _alignStartEnd(align, bottom, top); + rotation = position === "left" ? -HALF_PI : HALF_PI; + } + return { + titleX, + titleY, + maxWidth, + rotation + }; +} +var Scale = class extends Element { + constructor(cfg) { + super(); + this.id = cfg.id; + this.type = cfg.type; + this.options = void 0; + this.ctx = cfg.ctx; + this.chart = cfg.chart; + this.top = void 0; + this.bottom = void 0; + this.left = void 0; + this.right = void 0; + this.width = void 0; + this.height = void 0; + this._margins = { + left: 0, + right: 0, + top: 0, + bottom: 0 + }; + this.maxWidth = void 0; + this.maxHeight = void 0; + this.paddingTop = void 0; + this.paddingBottom = void 0; + this.paddingLeft = void 0; + this.paddingRight = void 0; + this.axis = void 0; + this.labelRotation = void 0; + this.min = void 0; + this.max = void 0; + this._range = void 0; + this.ticks = []; + this._gridLineItems = null; + this._labelItems = null; + this._labelSizes = null; + this._length = 0; + this._maxLength = 0; + this._longestTextCache = {}; + this._startPixel = void 0; + this._endPixel = void 0; + this._reversePixels = false; + this._userMax = void 0; + this._userMin = void 0; + this._suggestedMax = void 0; + this._suggestedMin = void 0; + this._ticksLength = 0; + this._borderValue = 0; + this._cache = {}; + this._dataLimitsCached = false; + this.$context = void 0; + } + init(options) { + this.options = options.setContext(this.getContext()); + this.axis = options.axis; + this._userMin = this.parse(options.min); + this._userMax = this.parse(options.max); + this._suggestedMin = this.parse(options.suggestedMin); + this._suggestedMax = this.parse(options.suggestedMax); + } + parse(raw, index2) { + return raw; + } + getUserBounds() { + let { _userMin, _userMax, _suggestedMin, _suggestedMax } = this; + _userMin = finiteOrDefault(_userMin, Number.POSITIVE_INFINITY); + _userMax = finiteOrDefault(_userMax, Number.NEGATIVE_INFINITY); + _suggestedMin = finiteOrDefault(_suggestedMin, Number.POSITIVE_INFINITY); + _suggestedMax = finiteOrDefault(_suggestedMax, Number.NEGATIVE_INFINITY); + return { + min: finiteOrDefault(_userMin, _suggestedMin), + max: finiteOrDefault(_userMax, _suggestedMax), + minDefined: isNumberFinite(_userMin), + maxDefined: isNumberFinite(_userMax) + }; + } + getMinMax(canStack) { + let { min, max, minDefined, maxDefined } = this.getUserBounds(); + let range; + if (minDefined && maxDefined) { + return { + min, + max + }; + } + const metas = this.getMatchingVisibleMetas(); + for (let i = 0, ilen = metas.length; i < ilen; ++i) { + range = metas[i].controller.getMinMax(this, canStack); + if (!minDefined) { + min = Math.min(min, range.min); + } + if (!maxDefined) { + max = Math.max(max, range.max); + } + } + min = maxDefined && min > max ? max : min; + max = minDefined && min > max ? min : max; + return { + min: finiteOrDefault(min, finiteOrDefault(max, min)), + max: finiteOrDefault(max, finiteOrDefault(min, max)) + }; + } + getPadding() { + return { + left: this.paddingLeft || 0, + top: this.paddingTop || 0, + right: this.paddingRight || 0, + bottom: this.paddingBottom || 0 + }; + } + getTicks() { + return this.ticks; + } + getLabels() { + const data2 = this.chart.data; + return this.options.labels || (this.isHorizontal() ? data2.xLabels : data2.yLabels) || data2.labels || []; + } + getLabelItems(chartArea = this.chart.chartArea) { + const items = this._labelItems || (this._labelItems = this._computeLabelItems(chartArea)); + return items; + } + beforeLayout() { + this._cache = {}; + this._dataLimitsCached = false; + } + beforeUpdate() { + callback(this.options.beforeUpdate, [ + this + ]); + } + update(maxWidth, maxHeight, margins) { + const { beginAtZero, grace, ticks: tickOpts } = this.options; + const sampleSize = tickOpts.sampleSize; + this.beforeUpdate(); + this.maxWidth = maxWidth; + this.maxHeight = maxHeight; + this._margins = margins = Object.assign({ + left: 0, + right: 0, + top: 0, + bottom: 0 + }, margins); + this.ticks = null; + this._labelSizes = null; + this._gridLineItems = null; + this._labelItems = null; + this.beforeSetDimensions(); + this.setDimensions(); + this.afterSetDimensions(); + this._maxLength = this.isHorizontal() ? this.width + margins.left + margins.right : this.height + margins.top + margins.bottom; + if (!this._dataLimitsCached) { + this.beforeDataLimits(); + this.determineDataLimits(); + this.afterDataLimits(); + this._range = _addGrace(this, grace, beginAtZero); + this._dataLimitsCached = true; + } + this.beforeBuildTicks(); + this.ticks = this.buildTicks() || []; + this.afterBuildTicks(); + const samplingEnabled = sampleSize < this.ticks.length; + this._convertTicksToLabels(samplingEnabled ? sample(this.ticks, sampleSize) : this.ticks); + this.configure(); + this.beforeCalculateLabelRotation(); + this.calculateLabelRotation(); + this.afterCalculateLabelRotation(); + if (tickOpts.display && (tickOpts.autoSkip || tickOpts.source === "auto")) { + this.ticks = autoSkip(this, this.ticks); + this._labelSizes = null; + this.afterAutoSkip(); + } + if (samplingEnabled) { + this._convertTicksToLabels(this.ticks); + } + this.beforeFit(); + this.fit(); + this.afterFit(); + this.afterUpdate(); + } + configure() { + let reversePixels = this.options.reverse; + let startPixel, endPixel; + if (this.isHorizontal()) { + startPixel = this.left; + endPixel = this.right; + } else { + startPixel = this.top; + endPixel = this.bottom; + reversePixels = !reversePixels; + } + this._startPixel = startPixel; + this._endPixel = endPixel; + this._reversePixels = reversePixels; + this._length = endPixel - startPixel; + this._alignToPixels = this.options.alignToPixels; + } + afterUpdate() { + callback(this.options.afterUpdate, [ + this + ]); + } + beforeSetDimensions() { + callback(this.options.beforeSetDimensions, [ + this + ]); + } + setDimensions() { + if (this.isHorizontal()) { + this.width = this.maxWidth; + this.left = 0; + this.right = this.width; + } else { + this.height = this.maxHeight; + this.top = 0; + this.bottom = this.height; + } + this.paddingLeft = 0; + this.paddingTop = 0; + this.paddingRight = 0; + this.paddingBottom = 0; + } + afterSetDimensions() { + callback(this.options.afterSetDimensions, [ + this + ]); + } + _callHooks(name) { + this.chart.notifyPlugins(name, this.getContext()); + callback(this.options[name], [ + this + ]); + } + beforeDataLimits() { + this._callHooks("beforeDataLimits"); + } + determineDataLimits() { + } + afterDataLimits() { + this._callHooks("afterDataLimits"); + } + beforeBuildTicks() { + this._callHooks("beforeBuildTicks"); + } + buildTicks() { + return []; + } + afterBuildTicks() { + this._callHooks("afterBuildTicks"); + } + beforeTickToLabelConversion() { + callback(this.options.beforeTickToLabelConversion, [ + this + ]); + } + generateTickLabels(ticks) { + const tickOpts = this.options.ticks; + let i, ilen, tick; + for (i = 0, ilen = ticks.length; i < ilen; i++) { + tick = ticks[i]; + tick.label = callback(tickOpts.callback, [ + tick.value, + i, + ticks + ], this); + } + } + afterTickToLabelConversion() { + callback(this.options.afterTickToLabelConversion, [ + this + ]); + } + beforeCalculateLabelRotation() { + callback(this.options.beforeCalculateLabelRotation, [ + this + ]); + } + calculateLabelRotation() { + const options = this.options; + const tickOpts = options.ticks; + const numTicks = getTicksLimit(this.ticks.length, options.ticks.maxTicksLimit); + const minRotation = tickOpts.minRotation || 0; + const maxRotation = tickOpts.maxRotation; + let labelRotation = minRotation; + let tickWidth, maxHeight, maxLabelDiagonal; + if (!this._isVisible() || !tickOpts.display || minRotation >= maxRotation || numTicks <= 1 || !this.isHorizontal()) { + this.labelRotation = minRotation; + return; + } + const labelSizes = this._getLabelSizes(); + const maxLabelWidth = labelSizes.widest.width; + const maxLabelHeight = labelSizes.highest.height; + const maxWidth = _limitValue(this.chart.width - maxLabelWidth, 0, this.maxWidth); + tickWidth = options.offset ? this.maxWidth / numTicks : maxWidth / (numTicks - 1); + if (maxLabelWidth + 6 > tickWidth) { + tickWidth = maxWidth / (numTicks - (options.offset ? 0.5 : 1)); + maxHeight = this.maxHeight - getTickMarkLength(options.grid) - tickOpts.padding - getTitleHeight(options.title, this.chart.options.font); + maxLabelDiagonal = Math.sqrt(maxLabelWidth * maxLabelWidth + maxLabelHeight * maxLabelHeight); + labelRotation = toDegrees(Math.min(Math.asin(_limitValue((labelSizes.highest.height + 6) / tickWidth, -1, 1)), Math.asin(_limitValue(maxHeight / maxLabelDiagonal, -1, 1)) - Math.asin(_limitValue(maxLabelHeight / maxLabelDiagonal, -1, 1)))); + labelRotation = Math.max(minRotation, Math.min(maxRotation, labelRotation)); + } + this.labelRotation = labelRotation; + } + afterCalculateLabelRotation() { + callback(this.options.afterCalculateLabelRotation, [ + this + ]); + } + afterAutoSkip() { + } + beforeFit() { + callback(this.options.beforeFit, [ + this + ]); + } + fit() { + const minSize = { + width: 0, + height: 0 + }; + const { chart, options: { ticks: tickOpts, title: titleOpts, grid: gridOpts } } = this; + const display = this._isVisible(); + const isHorizontal = this.isHorizontal(); + if (display) { + const titleHeight = getTitleHeight(titleOpts, chart.options.font); + if (isHorizontal) { + minSize.width = this.maxWidth; + minSize.height = getTickMarkLength(gridOpts) + titleHeight; + } else { + minSize.height = this.maxHeight; + minSize.width = getTickMarkLength(gridOpts) + titleHeight; + } + if (tickOpts.display && this.ticks.length) { + const { first, last, widest, highest } = this._getLabelSizes(); + const tickPadding = tickOpts.padding * 2; + const angleRadians = toRadians(this.labelRotation); + const cos = Math.cos(angleRadians); + const sin = Math.sin(angleRadians); + if (isHorizontal) { + const labelHeight = tickOpts.mirror ? 0 : sin * widest.width + cos * highest.height; + minSize.height = Math.min(this.maxHeight, minSize.height + labelHeight + tickPadding); + } else { + const labelWidth = tickOpts.mirror ? 0 : cos * widest.width + sin * highest.height; + minSize.width = Math.min(this.maxWidth, minSize.width + labelWidth + tickPadding); + } + this._calculatePadding(first, last, sin, cos); + } + } + this._handleMargins(); + if (isHorizontal) { + this.width = this._length = chart.width - this._margins.left - this._margins.right; + this.height = minSize.height; + } else { + this.width = minSize.width; + this.height = this._length = chart.height - this._margins.top - this._margins.bottom; + } + } + _calculatePadding(first, last, sin, cos) { + const { ticks: { align, padding }, position } = this.options; + const isRotated = this.labelRotation !== 0; + const labelsBelowTicks = position !== "top" && this.axis === "x"; + if (this.isHorizontal()) { + const offsetLeft = this.getPixelForTick(0) - this.left; + const offsetRight = this.right - this.getPixelForTick(this.ticks.length - 1); + let paddingLeft = 0; + let paddingRight = 0; + if (isRotated) { + if (labelsBelowTicks) { + paddingLeft = cos * first.width; + paddingRight = sin * last.height; + } else { + paddingLeft = sin * first.height; + paddingRight = cos * last.width; + } + } else if (align === "start") { + paddingRight = last.width; + } else if (align === "end") { + paddingLeft = first.width; + } else if (align !== "inner") { + paddingLeft = first.width / 2; + paddingRight = last.width / 2; + } + this.paddingLeft = Math.max((paddingLeft - offsetLeft + padding) * this.width / (this.width - offsetLeft), 0); + this.paddingRight = Math.max((paddingRight - offsetRight + padding) * this.width / (this.width - offsetRight), 0); + } else { + let paddingTop = last.height / 2; + let paddingBottom = first.height / 2; + if (align === "start") { + paddingTop = 0; + paddingBottom = first.height; + } else if (align === "end") { + paddingTop = last.height; + paddingBottom = 0; + } + this.paddingTop = paddingTop + padding; + this.paddingBottom = paddingBottom + padding; + } + } + _handleMargins() { + if (this._margins) { + this._margins.left = Math.max(this.paddingLeft, this._margins.left); + this._margins.top = Math.max(this.paddingTop, this._margins.top); + this._margins.right = Math.max(this.paddingRight, this._margins.right); + this._margins.bottom = Math.max(this.paddingBottom, this._margins.bottom); + } + } + afterFit() { + callback(this.options.afterFit, [ + this + ]); + } + isHorizontal() { + const { axis, position } = this.options; + return position === "top" || position === "bottom" || axis === "x"; + } + isFullSize() { + return this.options.fullSize; + } + _convertTicksToLabels(ticks) { + this.beforeTickToLabelConversion(); + this.generateTickLabels(ticks); + let i, ilen; + for (i = 0, ilen = ticks.length; i < ilen; i++) { + if (isNullOrUndef(ticks[i].label)) { + ticks.splice(i, 1); + ilen--; + i--; + } + } + this.afterTickToLabelConversion(); + } + _getLabelSizes() { + let labelSizes = this._labelSizes; + if (!labelSizes) { + const sampleSize = this.options.ticks.sampleSize; + let ticks = this.ticks; + if (sampleSize < ticks.length) { + ticks = sample(ticks, sampleSize); + } + this._labelSizes = labelSizes = this._computeLabelSizes(ticks, ticks.length, this.options.ticks.maxTicksLimit); + } + return labelSizes; + } + _computeLabelSizes(ticks, length, maxTicksLimit) { + const { ctx, _longestTextCache: caches } = this; + const widths = []; + const heights = []; + const increment = Math.floor(length / getTicksLimit(length, maxTicksLimit)); + let widestLabelSize = 0; + let highestLabelSize = 0; + let i, j, jlen, label, tickFont, fontString, cache, lineHeight, width, height, nestedLabel; + for (i = 0; i < length; i += increment) { + label = ticks[i].label; + tickFont = this._resolveTickFontOptions(i); + ctx.font = fontString = tickFont.string; + cache = caches[fontString] = caches[fontString] || { + data: {}, + gc: [] + }; + lineHeight = tickFont.lineHeight; + width = height = 0; + if (!isNullOrUndef(label) && !isArray(label)) { + width = _measureText(ctx, cache.data, cache.gc, width, label); + height = lineHeight; + } else if (isArray(label)) { + for (j = 0, jlen = label.length; j < jlen; ++j) { + nestedLabel = label[j]; + if (!isNullOrUndef(nestedLabel) && !isArray(nestedLabel)) { + width = _measureText(ctx, cache.data, cache.gc, width, nestedLabel); + height += lineHeight; + } + } + } + widths.push(width); + heights.push(height); + widestLabelSize = Math.max(width, widestLabelSize); + highestLabelSize = Math.max(height, highestLabelSize); + } + garbageCollect(caches, length); + const widest = widths.indexOf(widestLabelSize); + const highest = heights.indexOf(highestLabelSize); + const valueAt = (idx) => ({ + width: widths[idx] || 0, + height: heights[idx] || 0 + }); + return { + first: valueAt(0), + last: valueAt(length - 1), + widest: valueAt(widest), + highest: valueAt(highest), + widths, + heights + }; + } + getLabelForValue(value) { + return value; + } + getPixelForValue(value, index2) { + return NaN; + } + getValueForPixel(pixel) { + } + getPixelForTick(index2) { + const ticks = this.ticks; + if (index2 < 0 || index2 > ticks.length - 1) { + return null; + } + return this.getPixelForValue(ticks[index2].value); + } + getPixelForDecimal(decimal) { + if (this._reversePixels) { + decimal = 1 - decimal; + } + const pixel = this._startPixel + decimal * this._length; + return _int16Range(this._alignToPixels ? _alignPixel(this.chart, pixel, 0) : pixel); + } + getDecimalForPixel(pixel) { + const decimal = (pixel - this._startPixel) / this._length; + return this._reversePixels ? 1 - decimal : decimal; + } + getBasePixel() { + return this.getPixelForValue(this.getBaseValue()); + } + getBaseValue() { + const { min, max } = this; + return min < 0 && max < 0 ? max : min > 0 && max > 0 ? min : 0; + } + getContext(index2) { + const ticks = this.ticks || []; + if (index2 >= 0 && index2 < ticks.length) { + const tick = ticks[index2]; + return tick.$context || (tick.$context = createTickContext(this.getContext(), index2, tick)); + } + return this.$context || (this.$context = createScaleContext(this.chart.getContext(), this)); + } + _tickSize() { + const optionTicks = this.options.ticks; + const rot = toRadians(this.labelRotation); + const cos = Math.abs(Math.cos(rot)); + const sin = Math.abs(Math.sin(rot)); + const labelSizes = this._getLabelSizes(); + const padding = optionTicks.autoSkipPadding || 0; + const w = labelSizes ? labelSizes.widest.width + padding : 0; + const h = labelSizes ? labelSizes.highest.height + padding : 0; + return this.isHorizontal() ? h * cos > w * sin ? w / cos : h / sin : h * sin < w * cos ? h / cos : w / sin; + } + _isVisible() { + const display = this.options.display; + if (display !== "auto") { + return !!display; + } + return this.getMatchingVisibleMetas().length > 0; + } + _computeGridLineItems(chartArea) { + const axis = this.axis; + const chart = this.chart; + const options = this.options; + const { grid, position, border } = options; + const offset = grid.offset; + const isHorizontal = this.isHorizontal(); + const ticks = this.ticks; + const ticksLength = ticks.length + (offset ? 1 : 0); + const tl = getTickMarkLength(grid); + const items = []; + const borderOpts = border.setContext(this.getContext()); + const axisWidth = borderOpts.display ? borderOpts.width : 0; + const axisHalfWidth = axisWidth / 2; + const alignBorderValue = function(pixel) { + return _alignPixel(chart, pixel, axisWidth); + }; + let borderValue, i, lineValue, alignedLineValue; + let tx1, ty1, tx2, ty2, x1, y1, x2, y2; + if (position === "top") { + borderValue = alignBorderValue(this.bottom); + ty1 = this.bottom - tl; + ty2 = borderValue - axisHalfWidth; + y1 = alignBorderValue(chartArea.top) + axisHalfWidth; + y2 = chartArea.bottom; + } else if (position === "bottom") { + borderValue = alignBorderValue(this.top); + y1 = chartArea.top; + y2 = alignBorderValue(chartArea.bottom) - axisHalfWidth; + ty1 = borderValue + axisHalfWidth; + ty2 = this.top + tl; + } else if (position === "left") { + borderValue = alignBorderValue(this.right); + tx1 = this.right - tl; + tx2 = borderValue - axisHalfWidth; + x1 = alignBorderValue(chartArea.left) + axisHalfWidth; + x2 = chartArea.right; + } else if (position === "right") { + borderValue = alignBorderValue(this.left); + x1 = chartArea.left; + x2 = alignBorderValue(chartArea.right) - axisHalfWidth; + tx1 = borderValue + axisHalfWidth; + tx2 = this.left + tl; + } else if (axis === "x") { + if (position === "center") { + borderValue = alignBorderValue((chartArea.top + chartArea.bottom) / 2 + 0.5); + } else if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value)); + } + y1 = chartArea.top; + y2 = chartArea.bottom; + ty1 = borderValue + axisHalfWidth; + ty2 = ty1 + tl; + } else if (axis === "y") { + if (position === "center") { + borderValue = alignBorderValue((chartArea.left + chartArea.right) / 2); + } else if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value)); + } + tx1 = borderValue - axisHalfWidth; + tx2 = tx1 - tl; + x1 = chartArea.left; + x2 = chartArea.right; + } + const limit = valueOrDefault(options.ticks.maxTicksLimit, ticksLength); + const step = Math.max(1, Math.ceil(ticksLength / limit)); + for (i = 0; i < ticksLength; i += step) { + const context = this.getContext(i); + const optsAtIndex = grid.setContext(context); + const optsAtIndexBorder = border.setContext(context); + const lineWidth = optsAtIndex.lineWidth; + const lineColor = optsAtIndex.color; + const borderDash = optsAtIndexBorder.dash || []; + const borderDashOffset = optsAtIndexBorder.dashOffset; + const tickWidth = optsAtIndex.tickWidth; + const tickColor = optsAtIndex.tickColor; + const tickBorderDash = optsAtIndex.tickBorderDash || []; + const tickBorderDashOffset = optsAtIndex.tickBorderDashOffset; + lineValue = getPixelForGridLine(this, i, offset); + if (lineValue === void 0) { + continue; + } + alignedLineValue = _alignPixel(chart, lineValue, lineWidth); + if (isHorizontal) { + tx1 = tx2 = x1 = x2 = alignedLineValue; + } else { + ty1 = ty2 = y1 = y2 = alignedLineValue; + } + items.push({ + tx1, + ty1, + tx2, + ty2, + x1, + y1, + x2, + y2, + width: lineWidth, + color: lineColor, + borderDash, + borderDashOffset, + tickWidth, + tickColor, + tickBorderDash, + tickBorderDashOffset + }); + } + this._ticksLength = ticksLength; + this._borderValue = borderValue; + return items; + } + _computeLabelItems(chartArea) { + const axis = this.axis; + const options = this.options; + const { position, ticks: optionTicks } = options; + const isHorizontal = this.isHorizontal(); + const ticks = this.ticks; + const { align, crossAlign, padding, mirror } = optionTicks; + const tl = getTickMarkLength(options.grid); + const tickAndPadding = tl + padding; + const hTickAndPadding = mirror ? -padding : tickAndPadding; + const rotation = -toRadians(this.labelRotation); + const items = []; + let i, ilen, tick, label, x, y, textAlign, pixel, font, lineHeight, lineCount, textOffset; + let textBaseline = "middle"; + if (position === "top") { + y = this.bottom - hTickAndPadding; + textAlign = this._getXAxisLabelAlignment(); + } else if (position === "bottom") { + y = this.top + hTickAndPadding; + textAlign = this._getXAxisLabelAlignment(); + } else if (position === "left") { + const ret = this._getYAxisLabelAlignment(tl); + textAlign = ret.textAlign; + x = ret.x; + } else if (position === "right") { + const ret = this._getYAxisLabelAlignment(tl); + textAlign = ret.textAlign; + x = ret.x; + } else if (axis === "x") { + if (position === "center") { + y = (chartArea.top + chartArea.bottom) / 2 + tickAndPadding; + } else if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + y = this.chart.scales[positionAxisID].getPixelForValue(value) + tickAndPadding; + } + textAlign = this._getXAxisLabelAlignment(); + } else if (axis === "y") { + if (position === "center") { + x = (chartArea.left + chartArea.right) / 2 - tickAndPadding; + } else if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + x = this.chart.scales[positionAxisID].getPixelForValue(value); + } + textAlign = this._getYAxisLabelAlignment(tl).textAlign; + } + if (axis === "y") { + if (align === "start") { + textBaseline = "top"; + } else if (align === "end") { + textBaseline = "bottom"; + } + } + const labelSizes = this._getLabelSizes(); + for (i = 0, ilen = ticks.length; i < ilen; ++i) { + tick = ticks[i]; + label = tick.label; + const optsAtIndex = optionTicks.setContext(this.getContext(i)); + pixel = this.getPixelForTick(i) + optionTicks.labelOffset; + font = this._resolveTickFontOptions(i); + lineHeight = font.lineHeight; + lineCount = isArray(label) ? label.length : 1; + const halfCount = lineCount / 2; + const color2 = optsAtIndex.color; + const strokeColor = optsAtIndex.textStrokeColor; + const strokeWidth = optsAtIndex.textStrokeWidth; + let tickTextAlign = textAlign; + if (isHorizontal) { + x = pixel; + if (textAlign === "inner") { + if (i === ilen - 1) { + tickTextAlign = !this.options.reverse ? "right" : "left"; + } else if (i === 0) { + tickTextAlign = !this.options.reverse ? "left" : "right"; + } else { + tickTextAlign = "center"; + } + } + if (position === "top") { + if (crossAlign === "near" || rotation !== 0) { + textOffset = -lineCount * lineHeight + lineHeight / 2; + } else if (crossAlign === "center") { + textOffset = -labelSizes.highest.height / 2 - halfCount * lineHeight + lineHeight; + } else { + textOffset = -labelSizes.highest.height + lineHeight / 2; + } + } else { + if (crossAlign === "near" || rotation !== 0) { + textOffset = lineHeight / 2; + } else if (crossAlign === "center") { + textOffset = labelSizes.highest.height / 2 - halfCount * lineHeight; + } else { + textOffset = labelSizes.highest.height - lineCount * lineHeight; + } + } + if (mirror) { + textOffset *= -1; + } + if (rotation !== 0 && !optsAtIndex.showLabelBackdrop) { + x += lineHeight / 2 * Math.sin(rotation); + } + } else { + y = pixel; + textOffset = (1 - lineCount) * lineHeight / 2; + } + let backdrop; + if (optsAtIndex.showLabelBackdrop) { + const labelPadding = toPadding(optsAtIndex.backdropPadding); + const height = labelSizes.heights[i]; + const width = labelSizes.widths[i]; + let top = textOffset - labelPadding.top; + let left = 0 - labelPadding.left; + switch (textBaseline) { + case "middle": + top -= height / 2; + break; + case "bottom": + top -= height; + break; + } + switch (textAlign) { + case "center": + left -= width / 2; + break; + case "right": + left -= width; + break; + } + backdrop = { + left, + top, + width: width + labelPadding.width, + height: height + labelPadding.height, + color: optsAtIndex.backdropColor + }; + } + items.push({ + label, + font, + textOffset, + options: { + rotation, + color: color2, + strokeColor, + strokeWidth, + textAlign: tickTextAlign, + textBaseline, + translation: [ + x, + y + ], + backdrop + } + }); + } + return items; + } + _getXAxisLabelAlignment() { + const { position, ticks } = this.options; + const rotation = -toRadians(this.labelRotation); + if (rotation) { + return position === "top" ? "left" : "right"; + } + let align = "center"; + if (ticks.align === "start") { + align = "left"; + } else if (ticks.align === "end") { + align = "right"; + } else if (ticks.align === "inner") { + align = "inner"; + } + return align; + } + _getYAxisLabelAlignment(tl) { + const { position, ticks: { crossAlign, mirror, padding } } = this.options; + const labelSizes = this._getLabelSizes(); + const tickAndPadding = tl + padding; + const widest = labelSizes.widest.width; + let textAlign; + let x; + if (position === "left") { + if (mirror) { + x = this.right + padding; + if (crossAlign === "near") { + textAlign = "left"; + } else if (crossAlign === "center") { + textAlign = "center"; + x += widest / 2; + } else { + textAlign = "right"; + x += widest; + } + } else { + x = this.right - tickAndPadding; + if (crossAlign === "near") { + textAlign = "right"; + } else if (crossAlign === "center") { + textAlign = "center"; + x -= widest / 2; + } else { + textAlign = "left"; + x = this.left; + } + } + } else if (position === "right") { + if (mirror) { + x = this.left + padding; + if (crossAlign === "near") { + textAlign = "right"; + } else if (crossAlign === "center") { + textAlign = "center"; + x -= widest / 2; + } else { + textAlign = "left"; + x -= widest; + } + } else { + x = this.left + tickAndPadding; + if (crossAlign === "near") { + textAlign = "left"; + } else if (crossAlign === "center") { + textAlign = "center"; + x += widest / 2; + } else { + textAlign = "right"; + x = this.right; + } + } + } else { + textAlign = "right"; + } + return { + textAlign, + x + }; + } + _computeLabelArea() { + if (this.options.ticks.mirror) { + return; + } + const chart = this.chart; + const position = this.options.position; + if (position === "left" || position === "right") { + return { + top: 0, + left: this.left, + bottom: chart.height, + right: this.right + }; + } + if (position === "top" || position === "bottom") { + return { + top: this.top, + left: 0, + bottom: this.bottom, + right: chart.width + }; + } + } + drawBackground() { + const { ctx, options: { backgroundColor }, left, top, width, height } = this; + if (backgroundColor) { + ctx.save(); + ctx.fillStyle = backgroundColor; + ctx.fillRect(left, top, width, height); + ctx.restore(); + } + } + getLineWidthForValue(value) { + const grid = this.options.grid; + if (!this._isVisible() || !grid.display) { + return 0; + } + const ticks = this.ticks; + const index2 = ticks.findIndex((t) => t.value === value); + if (index2 >= 0) { + const opts = grid.setContext(this.getContext(index2)); + return opts.lineWidth; + } + return 0; + } + drawGrid(chartArea) { + const grid = this.options.grid; + const ctx = this.ctx; + const items = this._gridLineItems || (this._gridLineItems = this._computeGridLineItems(chartArea)); + let i, ilen; + const drawLine = (p1, p2, style) => { + if (!style.width || !style.color) { + return; + } + ctx.save(); + ctx.lineWidth = style.width; + ctx.strokeStyle = style.color; + ctx.setLineDash(style.borderDash || []); + ctx.lineDashOffset = style.borderDashOffset; + ctx.beginPath(); + ctx.moveTo(p1.x, p1.y); + ctx.lineTo(p2.x, p2.y); + ctx.stroke(); + ctx.restore(); + }; + if (grid.display) { + for (i = 0, ilen = items.length; i < ilen; ++i) { + const item = items[i]; + if (grid.drawOnChartArea) { + drawLine({ + x: item.x1, + y: item.y1 + }, { + x: item.x2, + y: item.y2 + }, item); + } + if (grid.drawTicks) { + drawLine({ + x: item.tx1, + y: item.ty1 + }, { + x: item.tx2, + y: item.ty2 + }, { + color: item.tickColor, + width: item.tickWidth, + borderDash: item.tickBorderDash, + borderDashOffset: item.tickBorderDashOffset + }); + } + } + } + } + drawBorder() { + const { chart, ctx, options: { border, grid } } = this; + const borderOpts = border.setContext(this.getContext()); + const axisWidth = border.display ? borderOpts.width : 0; + if (!axisWidth) { + return; + } + const lastLineWidth = grid.setContext(this.getContext(0)).lineWidth; + const borderValue = this._borderValue; + let x1, x2, y1, y2; + if (this.isHorizontal()) { + x1 = _alignPixel(chart, this.left, axisWidth) - axisWidth / 2; + x2 = _alignPixel(chart, this.right, lastLineWidth) + lastLineWidth / 2; + y1 = y2 = borderValue; + } else { + y1 = _alignPixel(chart, this.top, axisWidth) - axisWidth / 2; + y2 = _alignPixel(chart, this.bottom, lastLineWidth) + lastLineWidth / 2; + x1 = x2 = borderValue; + } + ctx.save(); + ctx.lineWidth = borderOpts.width; + ctx.strokeStyle = borderOpts.color; + ctx.beginPath(); + ctx.moveTo(x1, y1); + ctx.lineTo(x2, y2); + ctx.stroke(); + ctx.restore(); + } + drawLabels(chartArea) { + const optionTicks = this.options.ticks; + if (!optionTicks.display) { + return; + } + const ctx = this.ctx; + const area = this._computeLabelArea(); + if (area) { + clipArea(ctx, area); + } + const items = this.getLabelItems(chartArea); + for (const item of items) { + const renderTextOptions = item.options; + const tickFont = item.font; + const label = item.label; + const y = item.textOffset; + renderText(ctx, label, 0, y, tickFont, renderTextOptions); + } + if (area) { + unclipArea(ctx); + } + } + drawTitle() { + const { ctx, options: { position, title, reverse } } = this; + if (!title.display) { + return; + } + const font = toFont(title.font); + const padding = toPadding(title.padding); + const align = title.align; + let offset = font.lineHeight / 2; + if (position === "bottom" || position === "center" || isObject(position)) { + offset += padding.bottom; + if (isArray(title.text)) { + offset += font.lineHeight * (title.text.length - 1); + } + } else { + offset += padding.top; + } + const { titleX, titleY, maxWidth, rotation } = titleArgs(this, offset, position, align); + renderText(ctx, title.text, 0, 0, font, { + color: title.color, + maxWidth, + rotation, + textAlign: titleAlign(align, position, reverse), + textBaseline: "middle", + translation: [ + titleX, + titleY + ] + }); + } + draw(chartArea) { + if (!this._isVisible()) { + return; + } + this.drawBackground(); + this.drawGrid(chartArea); + this.drawBorder(); + this.drawTitle(); + this.drawLabels(chartArea); + } + _layers() { + const opts = this.options; + const tz = opts.ticks && opts.ticks.z || 0; + const gz = valueOrDefault(opts.grid && opts.grid.z, -1); + const bz = valueOrDefault(opts.border && opts.border.z, 0); + if (!this._isVisible() || this.draw !== Scale.prototype.draw) { + return [ + { + z: tz, + draw: (chartArea) => { + this.draw(chartArea); + } + } + ]; + } + return [ + { + z: gz, + draw: (chartArea) => { + this.drawBackground(); + this.drawGrid(chartArea); + this.drawTitle(); + } + }, + { + z: bz, + draw: () => { + this.drawBorder(); + } + }, + { + z: tz, + draw: (chartArea) => { + this.drawLabels(chartArea); + } + } + ]; + } + getMatchingVisibleMetas(type) { + const metas = this.chart.getSortedVisibleDatasetMetas(); + const axisID = this.axis + "AxisID"; + const result = []; + let i, ilen; + for (i = 0, ilen = metas.length; i < ilen; ++i) { + const meta = metas[i]; + if (meta[axisID] === this.id && (!type || meta.type === type)) { + result.push(meta); + } + } + return result; + } + _resolveTickFontOptions(index2) { + const opts = this.options.ticks.setContext(this.getContext(index2)); + return toFont(opts.font); + } + _maxDigits() { + const fontSize = this._resolveTickFontOptions(0).lineHeight; + return (this.isHorizontal() ? this.width : this.height) / fontSize; + } +}; +var TypedRegistry = class { + constructor(type, scope, override) { + this.type = type; + this.scope = scope; + this.override = override; + this.items = /* @__PURE__ */ Object.create(null); + } + isForType(type) { + return Object.prototype.isPrototypeOf.call(this.type.prototype, type.prototype); + } + register(item) { + const proto = Object.getPrototypeOf(item); + let parentScope; + if (isIChartComponent(proto)) { + parentScope = this.register(proto); + } + const items = this.items; + const id = item.id; + const scope = this.scope + "." + id; + if (!id) { + throw new Error("class does not have id: " + item); + } + if (id in items) { + return scope; + } + items[id] = item; + registerDefaults(item, scope, parentScope); + if (this.override) { + defaults.override(item.id, item.overrides); + } + return scope; + } + get(id) { + return this.items[id]; + } + unregister(item) { + const items = this.items; + const id = item.id; + const scope = this.scope; + if (id in items) { + delete items[id]; + } + if (scope && id in defaults[scope]) { + delete defaults[scope][id]; + if (this.override) { + delete overrides[id]; + } + } + } +}; +function registerDefaults(item, scope, parentScope) { + const itemDefaults = merge(/* @__PURE__ */ Object.create(null), [ + parentScope ? defaults.get(parentScope) : {}, + defaults.get(scope), + item.defaults + ]); + defaults.set(scope, itemDefaults); + if (item.defaultRoutes) { + routeDefaults(scope, item.defaultRoutes); + } + if (item.descriptors) { + defaults.describe(scope, item.descriptors); + } +} +function routeDefaults(scope, routes) { + Object.keys(routes).forEach((property) => { + const propertyParts = property.split("."); + const sourceName = propertyParts.pop(); + const sourceScope = [ + scope + ].concat(propertyParts).join("."); + const parts = routes[property].split("."); + const targetName = parts.pop(); + const targetScope = parts.join("."); + defaults.route(sourceScope, sourceName, targetScope, targetName); + }); +} +function isIChartComponent(proto) { + return "id" in proto && "defaults" in proto; +} +var Registry = class { + constructor() { + this.controllers = new TypedRegistry(DatasetController, "datasets", true); + this.elements = new TypedRegistry(Element, "elements"); + this.plugins = new TypedRegistry(Object, "plugins"); + this.scales = new TypedRegistry(Scale, "scales"); + this._typedRegistries = [ + this.controllers, + this.scales, + this.elements + ]; + } + add(...args) { + this._each("register", args); + } + remove(...args) { + this._each("unregister", args); + } + addControllers(...args) { + this._each("register", args, this.controllers); + } + addElements(...args) { + this._each("register", args, this.elements); + } + addPlugins(...args) { + this._each("register", args, this.plugins); + } + addScales(...args) { + this._each("register", args, this.scales); + } + getController(id) { + return this._get(id, this.controllers, "controller"); + } + getElement(id) { + return this._get(id, this.elements, "element"); + } + getPlugin(id) { + return this._get(id, this.plugins, "plugin"); + } + getScale(id) { + return this._get(id, this.scales, "scale"); + } + removeControllers(...args) { + this._each("unregister", args, this.controllers); + } + removeElements(...args) { + this._each("unregister", args, this.elements); + } + removePlugins(...args) { + this._each("unregister", args, this.plugins); + } + removeScales(...args) { + this._each("unregister", args, this.scales); + } + _each(method, args, typedRegistry) { + [ + ...args + ].forEach((arg) => { + const reg = typedRegistry || this._getRegistryForType(arg); + if (typedRegistry || reg.isForType(arg) || reg === this.plugins && arg.id) { + this._exec(method, reg, arg); + } else { + each(arg, (item) => { + const itemReg = typedRegistry || this._getRegistryForType(item); + this._exec(method, itemReg, item); + }); + } + }); + } + _exec(method, registry2, component) { + const camelMethod = _capitalize(method); + callback(component["before" + camelMethod], [], component); + registry2[method](component); + callback(component["after" + camelMethod], [], component); + } + _getRegistryForType(type) { + for (let i = 0; i < this._typedRegistries.length; i++) { + const reg = this._typedRegistries[i]; + if (reg.isForType(type)) { + return reg; + } + } + return this.plugins; + } + _get(id, typedRegistry, type) { + const item = typedRegistry.get(id); + if (item === void 0) { + throw new Error('"' + id + '" is not a registered ' + type + "."); + } + return item; + } +}; +var registry = /* @__PURE__ */ new Registry(); +var PluginService = class { + constructor() { + this._init = []; + } + notify(chart, hook, args, filter) { + if (hook === "beforeInit") { + this._init = this._createDescriptors(chart, true); + this._notify(this._init, chart, "install"); + } + const descriptors2 = filter ? this._descriptors(chart).filter(filter) : this._descriptors(chart); + const result = this._notify(descriptors2, chart, hook, args); + if (hook === "afterDestroy") { + this._notify(descriptors2, chart, "stop"); + this._notify(this._init, chart, "uninstall"); + } + return result; + } + _notify(descriptors2, chart, hook, args) { + args = args || {}; + for (const descriptor of descriptors2) { + const plugin = descriptor.plugin; + const method = plugin[hook]; + const params = [ + chart, + args, + descriptor.options + ]; + if (callback(method, params, plugin) === false && args.cancelable) { + return false; + } + } + return true; + } + invalidate() { + if (!isNullOrUndef(this._cache)) { + this._oldCache = this._cache; + this._cache = void 0; + } + } + _descriptors(chart) { + if (this._cache) { + return this._cache; + } + const descriptors2 = this._cache = this._createDescriptors(chart); + this._notifyStateChanges(chart); + return descriptors2; + } + _createDescriptors(chart, all) { + const config = chart && chart.config; + const options = valueOrDefault(config.options && config.options.plugins, {}); + const plugins2 = allPlugins(config); + return options === false && !all ? [] : createDescriptors(chart, plugins2, options, all); + } + _notifyStateChanges(chart) { + const previousDescriptors = this._oldCache || []; + const descriptors2 = this._cache; + const diff = (a, b) => a.filter((x) => !b.some((y) => x.plugin.id === y.plugin.id)); + this._notify(diff(previousDescriptors, descriptors2), chart, "stop"); + this._notify(diff(descriptors2, previousDescriptors), chart, "start"); + } +}; +function allPlugins(config) { + const localIds = {}; + const plugins2 = []; + const keys = Object.keys(registry.plugins.items); + for (let i = 0; i < keys.length; i++) { + plugins2.push(registry.getPlugin(keys[i])); + } + const local = config.plugins || []; + for (let i = 0; i < local.length; i++) { + const plugin = local[i]; + if (plugins2.indexOf(plugin) === -1) { + plugins2.push(plugin); + localIds[plugin.id] = true; + } + } + return { + plugins: plugins2, + localIds + }; +} +function getOpts(options, all) { + if (!all && options === false) { + return null; + } + if (options === true) { + return {}; + } + return options; +} +function createDescriptors(chart, { plugins: plugins2, localIds }, options, all) { + const result = []; + const context = chart.getContext(); + for (const plugin of plugins2) { + const id = plugin.id; + const opts = getOpts(options[id], all); + if (opts === null) { + continue; + } + result.push({ + plugin, + options: pluginOpts(chart.config, { + plugin, + local: localIds[id] + }, opts, context) + }); + } + return result; +} +function pluginOpts(config, { plugin, local }, opts, context) { + const keys = config.pluginScopeKeys(plugin); + const scopes = config.getOptionScopes(opts, keys); + if (local && plugin.defaults) { + scopes.push(plugin.defaults); + } + return config.createResolver(scopes, context, [ + "" + ], { + scriptable: false, + indexable: false, + allKeys: true + }); +} +function getIndexAxis(type, options) { + const datasetDefaults = defaults.datasets[type] || {}; + const datasetOptions = (options.datasets || {})[type] || {}; + return datasetOptions.indexAxis || options.indexAxis || datasetDefaults.indexAxis || "x"; +} +function getAxisFromDefaultScaleID(id, indexAxis) { + let axis = id; + if (id === "_index_") { + axis = indexAxis; + } else if (id === "_value_") { + axis = indexAxis === "x" ? "y" : "x"; + } + return axis; +} +function getDefaultScaleIDFromAxis(axis, indexAxis) { + return axis === indexAxis ? "_index_" : "_value_"; +} +function idMatchesAxis(id) { + if (id === "x" || id === "y" || id === "r") { + return id; + } +} +function axisFromPosition(position) { + if (position === "top" || position === "bottom") { + return "x"; + } + if (position === "left" || position === "right") { + return "y"; + } +} +function determineAxis(id, ...scaleOptions) { + if (idMatchesAxis(id)) { + return id; + } + for (const opts of scaleOptions) { + const axis = opts.axis || axisFromPosition(opts.position) || id.length > 1 && idMatchesAxis(id[0].toLowerCase()); + if (axis) { + return axis; + } + } + throw new Error(`Cannot determine type of '${id}' axis. Please provide 'axis' or 'position' option.`); +} +function getAxisFromDataset(id, axis, dataset) { + if (dataset[axis + "AxisID"] === id) { + return { + axis + }; + } +} +function retrieveAxisFromDatasets(id, config) { + if (config.data && config.data.datasets) { + const boundDs = config.data.datasets.filter((d) => d.xAxisID === id || d.yAxisID === id); + if (boundDs.length) { + return getAxisFromDataset(id, "x", boundDs[0]) || getAxisFromDataset(id, "y", boundDs[0]); + } + } + return {}; +} +function mergeScaleConfig(config, options) { + const chartDefaults = overrides[config.type] || { + scales: {} + }; + const configScales = options.scales || {}; + const chartIndexAxis = getIndexAxis(config.type, options); + const scales2 = /* @__PURE__ */ Object.create(null); + Object.keys(configScales).forEach((id) => { + const scaleConf = configScales[id]; + if (!isObject(scaleConf)) { + return console.error(`Invalid scale configuration for scale: ${id}`); + } + if (scaleConf._proxy) { + return console.warn(`Ignoring resolver passed as options for scale: ${id}`); + } + const axis = determineAxis(id, scaleConf, retrieveAxisFromDatasets(id, config), defaults.scales[scaleConf.type]); + const defaultId = getDefaultScaleIDFromAxis(axis, chartIndexAxis); + const defaultScaleOptions = chartDefaults.scales || {}; + scales2[id] = mergeIf(/* @__PURE__ */ Object.create(null), [ + { + axis + }, + scaleConf, + defaultScaleOptions[axis], + defaultScaleOptions[defaultId] + ]); + }); + config.data.datasets.forEach((dataset) => { + const type = dataset.type || config.type; + const indexAxis = dataset.indexAxis || getIndexAxis(type, options); + const datasetDefaults = overrides[type] || {}; + const defaultScaleOptions = datasetDefaults.scales || {}; + Object.keys(defaultScaleOptions).forEach((defaultID) => { + const axis = getAxisFromDefaultScaleID(defaultID, indexAxis); + const id = dataset[axis + "AxisID"] || axis; + scales2[id] = scales2[id] || /* @__PURE__ */ Object.create(null); + mergeIf(scales2[id], [ + { + axis + }, + configScales[id], + defaultScaleOptions[defaultID] + ]); + }); + }); + Object.keys(scales2).forEach((key) => { + const scale = scales2[key]; + mergeIf(scale, [ + defaults.scales[scale.type], + defaults.scale + ]); + }); + return scales2; +} +function initOptions(config) { + const options = config.options || (config.options = {}); + options.plugins = valueOrDefault(options.plugins, {}); + options.scales = mergeScaleConfig(config, options); +} +function initData(data2) { + data2 = data2 || {}; + data2.datasets = data2.datasets || []; + data2.labels = data2.labels || []; + return data2; +} +function initConfig(config) { + config = config || {}; + config.data = initData(config.data); + initOptions(config); + return config; +} +var keyCache = /* @__PURE__ */ new Map(); +var keysCached = /* @__PURE__ */ new Set(); +function cachedKeys(cacheKey, generate) { + let keys = keyCache.get(cacheKey); + if (!keys) { + keys = generate(); + keyCache.set(cacheKey, keys); + keysCached.add(keys); + } + return keys; +} +var addIfFound = (set2, obj, key) => { + const opts = resolveObjectKey(obj, key); + if (opts !== void 0) { + set2.add(opts); + } +}; +var Config = class { + constructor(config) { + this._config = initConfig(config); + this._scopeCache = /* @__PURE__ */ new Map(); + this._resolverCache = /* @__PURE__ */ new Map(); + } + get platform() { + return this._config.platform; + } + get type() { + return this._config.type; + } + set type(type) { + this._config.type = type; + } + get data() { + return this._config.data; + } + set data(data2) { + this._config.data = initData(data2); + } + get options() { + return this._config.options; + } + set options(options) { + this._config.options = options; + } + get plugins() { + return this._config.plugins; + } + update() { + const config = this._config; + this.clearCache(); + initOptions(config); + } + clearCache() { + this._scopeCache.clear(); + this._resolverCache.clear(); + } + datasetScopeKeys(datasetType) { + return cachedKeys(datasetType, () => [ + [ + `datasets.${datasetType}`, + "" + ] + ]); + } + datasetAnimationScopeKeys(datasetType, transition) { + return cachedKeys(`${datasetType}.transition.${transition}`, () => [ + [ + `datasets.${datasetType}.transitions.${transition}`, + `transitions.${transition}` + ], + [ + `datasets.${datasetType}`, + "" + ] + ]); + } + datasetElementScopeKeys(datasetType, elementType) { + return cachedKeys(`${datasetType}-${elementType}`, () => [ + [ + `datasets.${datasetType}.elements.${elementType}`, + `datasets.${datasetType}`, + `elements.${elementType}`, + "" + ] + ]); + } + pluginScopeKeys(plugin) { + const id = plugin.id; + const type = this.type; + return cachedKeys(`${type}-plugin-${id}`, () => [ + [ + `plugins.${id}`, + ...plugin.additionalOptionScopes || [] + ] + ]); + } + _cachedScopes(mainScope, resetCache) { + const _scopeCache = this._scopeCache; + let cache = _scopeCache.get(mainScope); + if (!cache || resetCache) { + cache = /* @__PURE__ */ new Map(); + _scopeCache.set(mainScope, cache); + } + return cache; + } + getOptionScopes(mainScope, keyLists, resetCache) { + const { options, type } = this; + const cache = this._cachedScopes(mainScope, resetCache); + const cached = cache.get(keyLists); + if (cached) { + return cached; + } + const scopes = /* @__PURE__ */ new Set(); + keyLists.forEach((keys) => { + if (mainScope) { + scopes.add(mainScope); + keys.forEach((key) => addIfFound(scopes, mainScope, key)); + } + keys.forEach((key) => addIfFound(scopes, options, key)); + keys.forEach((key) => addIfFound(scopes, overrides[type] || {}, key)); + keys.forEach((key) => addIfFound(scopes, defaults, key)); + keys.forEach((key) => addIfFound(scopes, descriptors, key)); + }); + const array = Array.from(scopes); + if (array.length === 0) { + array.push(/* @__PURE__ */ Object.create(null)); + } + if (keysCached.has(keyLists)) { + cache.set(keyLists, array); + } + return array; + } + chartOptionScopes() { + const { options, type } = this; + return [ + options, + overrides[type] || {}, + defaults.datasets[type] || {}, + { + type + }, + defaults, + descriptors + ]; + } + resolveNamedOptions(scopes, names2, context, prefixes = [ + "" + ]) { + const result = { + $shared: true + }; + const { resolver, subPrefixes } = getResolver(this._resolverCache, scopes, prefixes); + let options = resolver; + if (needContext(resolver, names2)) { + result.$shared = false; + context = isFunction(context) ? context() : context; + const subResolver = this.createResolver(scopes, context, subPrefixes); + options = _attachContext(resolver, context, subResolver); + } + for (const prop of names2) { + result[prop] = options[prop]; + } + return result; + } + createResolver(scopes, context, prefixes = [ + "" + ], descriptorDefaults) { + const { resolver } = getResolver(this._resolverCache, scopes, prefixes); + return isObject(context) ? _attachContext(resolver, context, void 0, descriptorDefaults) : resolver; + } +}; +function getResolver(resolverCache, scopes, prefixes) { + let cache = resolverCache.get(scopes); + if (!cache) { + cache = /* @__PURE__ */ new Map(); + resolverCache.set(scopes, cache); + } + const cacheKey = prefixes.join(); + let cached = cache.get(cacheKey); + if (!cached) { + const resolver = _createResolver(scopes, prefixes); + cached = { + resolver, + subPrefixes: prefixes.filter((p) => !p.toLowerCase().includes("hover")) + }; + cache.set(cacheKey, cached); + } + return cached; +} +var hasFunction = (value) => isObject(value) && Object.getOwnPropertyNames(value).reduce((acc, key) => acc || isFunction(value[key]), false); +function needContext(proxy, names2) { + const { isScriptable, isIndexable } = _descriptors(proxy); + for (const prop of names2) { + const scriptable = isScriptable(prop); + const indexable = isIndexable(prop); + const value = (indexable || scriptable) && proxy[prop]; + if (scriptable && (isFunction(value) || hasFunction(value)) || indexable && isArray(value)) { + return true; + } + } + return false; +} +var version = "4.3.0"; +var KNOWN_POSITIONS = [ + "top", + "bottom", + "left", + "right", + "chartArea" +]; +function positionIsHorizontal(position, axis) { + return position === "top" || position === "bottom" || KNOWN_POSITIONS.indexOf(position) === -1 && axis === "x"; +} +function compare2Level(l1, l2) { + return function(a, b) { + return a[l1] === b[l1] ? a[l2] - b[l2] : a[l1] - b[l1]; + }; +} +function onAnimationsComplete(context) { + const chart = context.chart; + const animationOptions = chart.options.animation; + chart.notifyPlugins("afterRender"); + callback(animationOptions && animationOptions.onComplete, [ + context + ], chart); +} +function onAnimationProgress(context) { + const chart = context.chart; + const animationOptions = chart.options.animation; + callback(animationOptions && animationOptions.onProgress, [ + context + ], chart); +} +function getCanvas(item) { + if (_isDomSupported() && typeof item === "string") { + item = document.getElementById(item); + } else if (item && item.length) { + item = item[0]; + } + if (item && item.canvas) { + item = item.canvas; + } + return item; +} +var instances = {}; +var getChart = (key) => { + const canvas = getCanvas(key); + return Object.values(instances).filter((c) => c.canvas === canvas).pop(); +}; +function moveNumericKeys(obj, start, move) { + const keys = Object.keys(obj); + for (const key of keys) { + const intKey = +key; + if (intKey >= start) { + const value = obj[key]; + delete obj[key]; + if (move > 0 || intKey > start) { + obj[intKey + move] = value; + } + } + } +} +function determineLastEvent(e, lastEvent, inChartArea, isClick) { + if (!inChartArea || e.type === "mouseout") { + return null; + } + if (isClick) { + return lastEvent; + } + return e; +} +function getDatasetArea(meta) { + const { xScale, yScale } = meta; + if (xScale && yScale) { + return { + left: xScale.left, + right: xScale.right, + top: yScale.top, + bottom: yScale.bottom + }; + } +} +var Chart = class { + static register(...items) { + registry.add(...items); + invalidatePlugins(); + } + static unregister(...items) { + registry.remove(...items); + invalidatePlugins(); + } + constructor(item, userConfig) { + const config = this.config = new Config(userConfig); + const initialCanvas = getCanvas(item); + const existingChart = getChart(initialCanvas); + if (existingChart) { + throw new Error("Canvas is already in use. Chart with ID '" + existingChart.id + "' must be destroyed before the canvas with ID '" + existingChart.canvas.id + "' can be reused."); + } + const options = config.createResolver(config.chartOptionScopes(), this.getContext()); + this.platform = new (config.platform || _detectPlatform(initialCanvas))(); + this.platform.updateConfig(config); + const context = this.platform.acquireContext(initialCanvas, options.aspectRatio); + const canvas = context && context.canvas; + const height = canvas && canvas.height; + const width = canvas && canvas.width; + this.id = uid(); + this.ctx = context; + this.canvas = canvas; + this.width = width; + this.height = height; + this._options = options; + this._aspectRatio = this.aspectRatio; + this._layers = []; + this._metasets = []; + this._stacks = void 0; + this.boxes = []; + this.currentDevicePixelRatio = void 0; + this.chartArea = void 0; + this._active = []; + this._lastEvent = void 0; + this._listeners = {}; + this._responsiveListeners = void 0; + this._sortedMetasets = []; + this.scales = {}; + this._plugins = new PluginService(); + this.$proxies = {}; + this._hiddenIndices = {}; + this.attached = false; + this._animationsDisabled = void 0; + this.$context = void 0; + this._doResize = debounce((mode) => this.update(mode), options.resizeDelay || 0); + this._dataChanges = []; + instances[this.id] = this; + if (!context || !canvas) { + console.error("Failed to create chart: can't acquire context from the given item"); + return; + } + animator.listen(this, "complete", onAnimationsComplete); + animator.listen(this, "progress", onAnimationProgress); + this._initialize(); + if (this.attached) { + this.update(); + } + } + get aspectRatio() { + const { options: { aspectRatio, maintainAspectRatio }, width, height, _aspectRatio } = this; + if (!isNullOrUndef(aspectRatio)) { + return aspectRatio; + } + if (maintainAspectRatio && _aspectRatio) { + return _aspectRatio; + } + return height ? width / height : null; + } + get data() { + return this.config.data; + } + set data(data2) { + this.config.data = data2; + } + get options() { + return this._options; + } + set options(options) { + this.config.options = options; + } + get registry() { + return registry; + } + _initialize() { + this.notifyPlugins("beforeInit"); + if (this.options.responsive) { + this.resize(); + } else { + retinaScale(this, this.options.devicePixelRatio); + } + this.bindEvents(); + this.notifyPlugins("afterInit"); + return this; + } + clear() { + clearCanvas(this.canvas, this.ctx); + return this; + } + stop() { + animator.stop(this); + return this; + } + resize(width, height) { + if (!animator.running(this)) { + this._resize(width, height); + } else { + this._resizeBeforeDraw = { + width, + height + }; + } + } + _resize(width, height) { + const options = this.options; + const canvas = this.canvas; + const aspectRatio = options.maintainAspectRatio && this.aspectRatio; + const newSize = this.platform.getMaximumSize(canvas, width, height, aspectRatio); + const newRatio = options.devicePixelRatio || this.platform.getDevicePixelRatio(); + const mode = this.width ? "resize" : "attach"; + this.width = newSize.width; + this.height = newSize.height; + this._aspectRatio = this.aspectRatio; + if (!retinaScale(this, newRatio, true)) { + return; + } + this.notifyPlugins("resize", { + size: newSize + }); + callback(options.onResize, [ + this, + newSize + ], this); + if (this.attached) { + if (this._doResize(mode)) { + this.render(); + } + } + } + ensureScalesHaveIDs() { + const options = this.options; + const scalesOptions = options.scales || {}; + each(scalesOptions, (axisOptions, axisID) => { + axisOptions.id = axisID; + }); + } + buildOrUpdateScales() { + const options = this.options; + const scaleOpts = options.scales; + const scales2 = this.scales; + const updated = Object.keys(scales2).reduce((obj, id) => { + obj[id] = false; + return obj; + }, {}); + let items = []; + if (scaleOpts) { + items = items.concat(Object.keys(scaleOpts).map((id) => { + const scaleOptions = scaleOpts[id]; + const axis = determineAxis(id, scaleOptions); + const isRadial = axis === "r"; + const isHorizontal = axis === "x"; + return { + options: scaleOptions, + dposition: isRadial ? "chartArea" : isHorizontal ? "bottom" : "left", + dtype: isRadial ? "radialLinear" : isHorizontal ? "category" : "linear" + }; + })); + } + each(items, (item) => { + const scaleOptions = item.options; + const id = scaleOptions.id; + const axis = determineAxis(id, scaleOptions); + const scaleType = valueOrDefault(scaleOptions.type, item.dtype); + if (scaleOptions.position === void 0 || positionIsHorizontal(scaleOptions.position, axis) !== positionIsHorizontal(item.dposition)) { + scaleOptions.position = item.dposition; + } + updated[id] = true; + let scale = null; + if (id in scales2 && scales2[id].type === scaleType) { + scale = scales2[id]; + } else { + const scaleClass = registry.getScale(scaleType); + scale = new scaleClass({ + id, + type: scaleType, + ctx: this.ctx, + chart: this + }); + scales2[scale.id] = scale; + } + scale.init(scaleOptions, options); + }); + each(updated, (hasUpdated, id) => { + if (!hasUpdated) { + delete scales2[id]; + } + }); + each(scales2, (scale) => { + layouts.configure(this, scale, scale.options); + layouts.addBox(this, scale); + }); + } + _updateMetasets() { + const metasets = this._metasets; + const numData = this.data.datasets.length; + const numMeta = metasets.length; + metasets.sort((a, b) => a.index - b.index); + if (numMeta > numData) { + for (let i = numData; i < numMeta; ++i) { + this._destroyDatasetMeta(i); + } + metasets.splice(numData, numMeta - numData); + } + this._sortedMetasets = metasets.slice(0).sort(compare2Level("order", "index")); + } + _removeUnreferencedMetasets() { + const { _metasets: metasets, data: { datasets } } = this; + if (metasets.length > datasets.length) { + delete this._stacks; + } + metasets.forEach((meta, index2) => { + if (datasets.filter((x) => x === meta._dataset).length === 0) { + this._destroyDatasetMeta(index2); + } + }); + } + buildOrUpdateControllers() { + const newControllers = []; + const datasets = this.data.datasets; + let i, ilen; + this._removeUnreferencedMetasets(); + for (i = 0, ilen = datasets.length; i < ilen; i++) { + const dataset = datasets[i]; + let meta = this.getDatasetMeta(i); + const type = dataset.type || this.config.type; + if (meta.type && meta.type !== type) { + this._destroyDatasetMeta(i); + meta = this.getDatasetMeta(i); + } + meta.type = type; + meta.indexAxis = dataset.indexAxis || getIndexAxis(type, this.options); + meta.order = dataset.order || 0; + meta.index = i; + meta.label = "" + dataset.label; + meta.visible = this.isDatasetVisible(i); + if (meta.controller) { + meta.controller.updateIndex(i); + meta.controller.linkScales(); + } else { + const ControllerClass = registry.getController(type); + const { datasetElementType, dataElementType } = defaults.datasets[type]; + Object.assign(ControllerClass, { + dataElementType: registry.getElement(dataElementType), + datasetElementType: datasetElementType && registry.getElement(datasetElementType) + }); + meta.controller = new ControllerClass(this, i); + newControllers.push(meta.controller); + } + } + this._updateMetasets(); + return newControllers; + } + _resetElements() { + each(this.data.datasets, (dataset, datasetIndex) => { + this.getDatasetMeta(datasetIndex).controller.reset(); + }, this); + } + reset() { + this._resetElements(); + this.notifyPlugins("reset"); + } + update(mode) { + const config = this.config; + config.update(); + const options = this._options = config.createResolver(config.chartOptionScopes(), this.getContext()); + const animsDisabled = this._animationsDisabled = !options.animation; + this._updateScales(); + this._checkEventBindings(); + this._updateHiddenIndices(); + this._plugins.invalidate(); + if (this.notifyPlugins("beforeUpdate", { + mode, + cancelable: true + }) === false) { + return; + } + const newControllers = this.buildOrUpdateControllers(); + this.notifyPlugins("beforeElementsUpdate"); + let minPadding = 0; + for (let i = 0, ilen = this.data.datasets.length; i < ilen; i++) { + const { controller } = this.getDatasetMeta(i); + const reset = !animsDisabled && newControllers.indexOf(controller) === -1; + controller.buildOrUpdateElements(reset); + minPadding = Math.max(+controller.getMaxOverflow(), minPadding); + } + minPadding = this._minPadding = options.layout.autoPadding ? minPadding : 0; + this._updateLayout(minPadding); + if (!animsDisabled) { + each(newControllers, (controller) => { + controller.reset(); + }); + } + this._updateDatasets(mode); + this.notifyPlugins("afterUpdate", { + mode + }); + this._layers.sort(compare2Level("z", "_idx")); + const { _active, _lastEvent } = this; + if (_lastEvent) { + this._eventHandler(_lastEvent, true); + } else if (_active.length) { + this._updateHoverStyles(_active, _active, true); + } + this.render(); + } + _updateScales() { + each(this.scales, (scale) => { + layouts.removeBox(this, scale); + }); + this.ensureScalesHaveIDs(); + this.buildOrUpdateScales(); + } + _checkEventBindings() { + const options = this.options; + const existingEvents = new Set(Object.keys(this._listeners)); + const newEvents = new Set(options.events); + if (!setsEqual(existingEvents, newEvents) || !!this._responsiveListeners !== options.responsive) { + this.unbindEvents(); + this.bindEvents(); + } + } + _updateHiddenIndices() { + const { _hiddenIndices } = this; + const changes = this._getUniformDataChanges() || []; + for (const { method, start, count } of changes) { + const move = method === "_removeElements" ? -count : count; + moveNumericKeys(_hiddenIndices, start, move); + } + } + _getUniformDataChanges() { + const _dataChanges = this._dataChanges; + if (!_dataChanges || !_dataChanges.length) { + return; + } + this._dataChanges = []; + const datasetCount = this.data.datasets.length; + const makeSet = (idx) => new Set(_dataChanges.filter((c) => c[0] === idx).map((c, i) => i + "," + c.splice(1).join(","))); + const changeSet = makeSet(0); + for (let i = 1; i < datasetCount; i++) { + if (!setsEqual(changeSet, makeSet(i))) { + return; + } + } + return Array.from(changeSet).map((c) => c.split(",")).map((a) => ({ + method: a[1], + start: +a[2], + count: +a[3] + })); + } + _updateLayout(minPadding) { + if (this.notifyPlugins("beforeLayout", { + cancelable: true + }) === false) { + return; + } + layouts.update(this, this.width, this.height, minPadding); + const area = this.chartArea; + const noArea = area.width <= 0 || area.height <= 0; + this._layers = []; + each(this.boxes, (box) => { + if (noArea && box.position === "chartArea") { + return; + } + if (box.configure) { + box.configure(); + } + this._layers.push(...box._layers()); + }, this); + this._layers.forEach((item, index2) => { + item._idx = index2; + }); + this.notifyPlugins("afterLayout"); + } + _updateDatasets(mode) { + if (this.notifyPlugins("beforeDatasetsUpdate", { + mode, + cancelable: true + }) === false) { + return; + } + for (let i = 0, ilen = this.data.datasets.length; i < ilen; ++i) { + this.getDatasetMeta(i).controller.configure(); + } + for (let i = 0, ilen = this.data.datasets.length; i < ilen; ++i) { + this._updateDataset(i, isFunction(mode) ? mode({ + datasetIndex: i + }) : mode); + } + this.notifyPlugins("afterDatasetsUpdate", { + mode + }); + } + _updateDataset(index2, mode) { + const meta = this.getDatasetMeta(index2); + const args = { + meta, + index: index2, + mode, + cancelable: true + }; + if (this.notifyPlugins("beforeDatasetUpdate", args) === false) { + return; + } + meta.controller._update(mode); + args.cancelable = false; + this.notifyPlugins("afterDatasetUpdate", args); + } + render() { + if (this.notifyPlugins("beforeRender", { + cancelable: true + }) === false) { + return; + } + if (animator.has(this)) { + if (this.attached && !animator.running(this)) { + animator.start(this); + } + } else { + this.draw(); + onAnimationsComplete({ + chart: this + }); + } + } + draw() { + let i; + if (this._resizeBeforeDraw) { + const { width, height } = this._resizeBeforeDraw; + this._resize(width, height); + this._resizeBeforeDraw = null; + } + this.clear(); + if (this.width <= 0 || this.height <= 0) { + return; + } + if (this.notifyPlugins("beforeDraw", { + cancelable: true + }) === false) { + return; + } + const layers = this._layers; + for (i = 0; i < layers.length && layers[i].z <= 0; ++i) { + layers[i].draw(this.chartArea); + } + this._drawDatasets(); + for (; i < layers.length; ++i) { + layers[i].draw(this.chartArea); + } + this.notifyPlugins("afterDraw"); + } + _getSortedDatasetMetas(filterVisible) { + const metasets = this._sortedMetasets; + const result = []; + let i, ilen; + for (i = 0, ilen = metasets.length; i < ilen; ++i) { + const meta = metasets[i]; + if (!filterVisible || meta.visible) { + result.push(meta); + } + } + return result; + } + getSortedVisibleDatasetMetas() { + return this._getSortedDatasetMetas(true); + } + _drawDatasets() { + if (this.notifyPlugins("beforeDatasetsDraw", { + cancelable: true + }) === false) { + return; + } + const metasets = this.getSortedVisibleDatasetMetas(); + for (let i = metasets.length - 1; i >= 0; --i) { + this._drawDataset(metasets[i]); + } + this.notifyPlugins("afterDatasetsDraw"); + } + _drawDataset(meta) { + const ctx = this.ctx; + const clip = meta._clip; + const useClip = !clip.disabled; + const area = getDatasetArea(meta) || this.chartArea; + const args = { + meta, + index: meta.index, + cancelable: true + }; + if (this.notifyPlugins("beforeDatasetDraw", args) === false) { + return; + } + if (useClip) { + clipArea(ctx, { + left: clip.left === false ? 0 : area.left - clip.left, + right: clip.right === false ? this.width : area.right + clip.right, + top: clip.top === false ? 0 : area.top - clip.top, + bottom: clip.bottom === false ? this.height : area.bottom + clip.bottom + }); + } + meta.controller.draw(); + if (useClip) { + unclipArea(ctx); + } + args.cancelable = false; + this.notifyPlugins("afterDatasetDraw", args); + } + isPointInArea(point) { + return _isPointInArea(point, this.chartArea, this._minPadding); + } + getElementsAtEventForMode(e, mode, options, useFinalPosition) { + const method = Interaction.modes[mode]; + if (typeof method === "function") { + return method(this, e, options, useFinalPosition); + } + return []; + } + getDatasetMeta(datasetIndex) { + const dataset = this.data.datasets[datasetIndex]; + const metasets = this._metasets; + let meta = metasets.filter((x) => x && x._dataset === dataset).pop(); + if (!meta) { + meta = { + type: null, + data: [], + dataset: null, + controller: null, + hidden: null, + xAxisID: null, + yAxisID: null, + order: dataset && dataset.order || 0, + index: datasetIndex, + _dataset: dataset, + _parsed: [], + _sorted: false + }; + metasets.push(meta); + } + return meta; + } + getContext() { + return this.$context || (this.$context = createContext(null, { + chart: this, + type: "chart" + })); + } + getVisibleDatasetCount() { + return this.getSortedVisibleDatasetMetas().length; + } + isDatasetVisible(datasetIndex) { + const dataset = this.data.datasets[datasetIndex]; + if (!dataset) { + return false; + } + const meta = this.getDatasetMeta(datasetIndex); + return typeof meta.hidden === "boolean" ? !meta.hidden : !dataset.hidden; + } + setDatasetVisibility(datasetIndex, visible) { + const meta = this.getDatasetMeta(datasetIndex); + meta.hidden = !visible; + } + toggleDataVisibility(index2) { + this._hiddenIndices[index2] = !this._hiddenIndices[index2]; + } + getDataVisibility(index2) { + return !this._hiddenIndices[index2]; + } + _updateVisibility(datasetIndex, dataIndex, visible) { + const mode = visible ? "show" : "hide"; + const meta = this.getDatasetMeta(datasetIndex); + const anims = meta.controller._resolveAnimations(void 0, mode); + if (defined(dataIndex)) { + meta.data[dataIndex].hidden = !visible; + this.update(); + } else { + this.setDatasetVisibility(datasetIndex, visible); + anims.update(meta, { + visible + }); + this.update((ctx) => ctx.datasetIndex === datasetIndex ? mode : void 0); + } + } + hide(datasetIndex, dataIndex) { + this._updateVisibility(datasetIndex, dataIndex, false); + } + show(datasetIndex, dataIndex) { + this._updateVisibility(datasetIndex, dataIndex, true); + } + _destroyDatasetMeta(datasetIndex) { + const meta = this._metasets[datasetIndex]; + if (meta && meta.controller) { + meta.controller._destroy(); + } + delete this._metasets[datasetIndex]; + } + _stop() { + let i, ilen; + this.stop(); + animator.remove(this); + for (i = 0, ilen = this.data.datasets.length; i < ilen; ++i) { + this._destroyDatasetMeta(i); + } + } + destroy() { + this.notifyPlugins("beforeDestroy"); + const { canvas, ctx } = this; + this._stop(); + this.config.clearCache(); + if (canvas) { + this.unbindEvents(); + clearCanvas(canvas, ctx); + this.platform.releaseContext(ctx); + this.canvas = null; + this.ctx = null; + } + delete instances[this.id]; + this.notifyPlugins("afterDestroy"); + } + toBase64Image(...args) { + return this.canvas.toDataURL(...args); + } + bindEvents() { + this.bindUserEvents(); + if (this.options.responsive) { + this.bindResponsiveEvents(); + } else { + this.attached = true; + } + } + bindUserEvents() { + const listeners = this._listeners; + const platform = this.platform; + const _add = (type, listener2) => { + platform.addEventListener(this, type, listener2); + listeners[type] = listener2; + }; + const listener = (e, x, y) => { + e.offsetX = x; + e.offsetY = y; + this._eventHandler(e); + }; + each(this.options.events, (type) => _add(type, listener)); + } + bindResponsiveEvents() { + if (!this._responsiveListeners) { + this._responsiveListeners = {}; + } + const listeners = this._responsiveListeners; + const platform = this.platform; + const _add = (type, listener2) => { + platform.addEventListener(this, type, listener2); + listeners[type] = listener2; + }; + const _remove = (type, listener2) => { + if (listeners[type]) { + platform.removeEventListener(this, type, listener2); + delete listeners[type]; + } + }; + const listener = (width, height) => { + if (this.canvas) { + this.resize(width, height); + } + }; + let detached; + const attached = () => { + _remove("attach", attached); + this.attached = true; + this.resize(); + _add("resize", listener); + _add("detach", detached); + }; + detached = () => { + this.attached = false; + _remove("resize", listener); + this._stop(); + this._resize(0, 0); + _add("attach", attached); + }; + if (platform.isAttached(this.canvas)) { + attached(); + } else { + detached(); + } + } + unbindEvents() { + each(this._listeners, (listener, type) => { + this.platform.removeEventListener(this, type, listener); + }); + this._listeners = {}; + each(this._responsiveListeners, (listener, type) => { + this.platform.removeEventListener(this, type, listener); + }); + this._responsiveListeners = void 0; + } + updateHoverStyle(items, mode, enabled) { + const prefix = enabled ? "set" : "remove"; + let meta, item, i, ilen; + if (mode === "dataset") { + meta = this.getDatasetMeta(items[0].datasetIndex); + meta.controller["_" + prefix + "DatasetHoverStyle"](); + } + for (i = 0, ilen = items.length; i < ilen; ++i) { + item = items[i]; + const controller = item && this.getDatasetMeta(item.datasetIndex).controller; + if (controller) { + controller[prefix + "HoverStyle"](item.element, item.datasetIndex, item.index); + } + } + } + getActiveElements() { + return this._active || []; + } + setActiveElements(activeElements) { + const lastActive = this._active || []; + const active = activeElements.map(({ datasetIndex, index: index2 }) => { + const meta = this.getDatasetMeta(datasetIndex); + if (!meta) { + throw new Error("No dataset found at index " + datasetIndex); + } + return { + datasetIndex, + element: meta.data[index2], + index: index2 + }; + }); + const changed = !_elementsEqual(active, lastActive); + if (changed) { + this._active = active; + this._lastEvent = null; + this._updateHoverStyles(active, lastActive); + } + } + notifyPlugins(hook, args, filter) { + return this._plugins.notify(this, hook, args, filter); + } + isPluginEnabled(pluginId) { + return this._plugins._cache.filter((p) => p.plugin.id === pluginId).length === 1; + } + _updateHoverStyles(active, lastActive, replay) { + const hoverOptions = this.options.hover; + const diff = (a, b) => a.filter((x) => !b.some((y) => x.datasetIndex === y.datasetIndex && x.index === y.index)); + const deactivated = diff(lastActive, active); + const activated = replay ? active : diff(active, lastActive); + if (deactivated.length) { + this.updateHoverStyle(deactivated, hoverOptions.mode, false); + } + if (activated.length && hoverOptions.mode) { + this.updateHoverStyle(activated, hoverOptions.mode, true); + } + } + _eventHandler(e, replay) { + const args = { + event: e, + replay, + cancelable: true, + inChartArea: this.isPointInArea(e) + }; + const eventFilter = (plugin) => (plugin.options.events || this.options.events).includes(e.native.type); + if (this.notifyPlugins("beforeEvent", args, eventFilter) === false) { + return; + } + const changed = this._handleEvent(e, replay, args.inChartArea); + args.cancelable = false; + this.notifyPlugins("afterEvent", args, eventFilter); + if (changed || args.changed) { + this.render(); + } + return this; + } + _handleEvent(e, replay, inChartArea) { + const { _active: lastActive = [], options } = this; + const useFinalPosition = replay; + const active = this._getActiveElements(e, lastActive, inChartArea, useFinalPosition); + const isClick = _isClickEvent(e); + const lastEvent = determineLastEvent(e, this._lastEvent, inChartArea, isClick); + if (inChartArea) { + this._lastEvent = null; + callback(options.onHover, [ + e, + active, + this + ], this); + if (isClick) { + callback(options.onClick, [ + e, + active, + this + ], this); + } + } + const changed = !_elementsEqual(active, lastActive); + if (changed || replay) { + this._active = active; + this._updateHoverStyles(active, lastActive, replay); + } + this._lastEvent = lastEvent; + return changed; + } + _getActiveElements(e, lastActive, inChartArea, useFinalPosition) { + if (e.type === "mouseout") { + return []; + } + if (!inChartArea) { + return lastActive; + } + const hoverOptions = this.options.hover; + return this.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions, useFinalPosition); + } +}; +__publicField(Chart, "defaults", defaults); +__publicField(Chart, "instances", instances); +__publicField(Chart, "overrides", overrides); +__publicField(Chart, "registry", registry); +__publicField(Chart, "version", version); +__publicField(Chart, "getChart", getChart); +function invalidatePlugins() { + return each(Chart.instances, (chart) => chart._plugins.invalidate()); +} +function clipArc(ctx, element, endAngle) { + const { startAngle, pixelMargin, x, y, outerRadius, innerRadius } = element; + let angleMargin = pixelMargin / outerRadius; + ctx.beginPath(); + ctx.arc(x, y, outerRadius, startAngle - angleMargin, endAngle + angleMargin); + if (innerRadius > pixelMargin) { + angleMargin = pixelMargin / innerRadius; + ctx.arc(x, y, innerRadius, endAngle + angleMargin, startAngle - angleMargin, true); + } else { + ctx.arc(x, y, pixelMargin, endAngle + HALF_PI, startAngle - HALF_PI); + } + ctx.closePath(); + ctx.clip(); +} +function toRadiusCorners(value) { + return _readValueToProps(value, [ + "outerStart", + "outerEnd", + "innerStart", + "innerEnd" + ]); +} +function parseBorderRadius$1(arc, innerRadius, outerRadius, angleDelta) { + const o = toRadiusCorners(arc.options.borderRadius); + const halfThickness = (outerRadius - innerRadius) / 2; + const innerLimit = Math.min(halfThickness, angleDelta * innerRadius / 2); + const computeOuterLimit = (val) => { + const outerArcLimit = (outerRadius - Math.min(halfThickness, val)) * angleDelta / 2; + return _limitValue(val, 0, Math.min(halfThickness, outerArcLimit)); + }; + return { + outerStart: computeOuterLimit(o.outerStart), + outerEnd: computeOuterLimit(o.outerEnd), + innerStart: _limitValue(o.innerStart, 0, innerLimit), + innerEnd: _limitValue(o.innerEnd, 0, innerLimit) + }; +} +function rThetaToXY(r, theta, x, y) { + return { + x: x + r * Math.cos(theta), + y: y + r * Math.sin(theta) + }; +} +function pathArc(ctx, element, offset, spacing, end, circular) { + const { x, y, startAngle: start, pixelMargin, innerRadius: innerR } = element; + const outerRadius = Math.max(element.outerRadius + spacing + offset - pixelMargin, 0); + const innerRadius = innerR > 0 ? innerR + spacing + offset + pixelMargin : 0; + let spacingOffset = 0; + const alpha2 = end - start; + if (spacing) { + const noSpacingInnerRadius = innerR > 0 ? innerR - spacing : 0; + const noSpacingOuterRadius = outerRadius > 0 ? outerRadius - spacing : 0; + const avNogSpacingRadius = (noSpacingInnerRadius + noSpacingOuterRadius) / 2; + const adjustedAngle = avNogSpacingRadius !== 0 ? alpha2 * avNogSpacingRadius / (avNogSpacingRadius + spacing) : alpha2; + spacingOffset = (alpha2 - adjustedAngle) / 2; + } + const beta = Math.max(1e-3, alpha2 * outerRadius - offset / PI) / outerRadius; + const angleOffset = (alpha2 - beta) / 2; + const startAngle = start + angleOffset + spacingOffset; + const endAngle = end - angleOffset - spacingOffset; + const { outerStart, outerEnd, innerStart, innerEnd } = parseBorderRadius$1(element, innerRadius, outerRadius, endAngle - startAngle); + const outerStartAdjustedRadius = outerRadius - outerStart; + const outerEndAdjustedRadius = outerRadius - outerEnd; + const outerStartAdjustedAngle = startAngle + outerStart / outerStartAdjustedRadius; + const outerEndAdjustedAngle = endAngle - outerEnd / outerEndAdjustedRadius; + const innerStartAdjustedRadius = innerRadius + innerStart; + const innerEndAdjustedRadius = innerRadius + innerEnd; + const innerStartAdjustedAngle = startAngle + innerStart / innerStartAdjustedRadius; + const innerEndAdjustedAngle = endAngle - innerEnd / innerEndAdjustedRadius; + ctx.beginPath(); + if (circular) { + const outerMidAdjustedAngle = (outerStartAdjustedAngle + outerEndAdjustedAngle) / 2; + ctx.arc(x, y, outerRadius, outerStartAdjustedAngle, outerMidAdjustedAngle); + ctx.arc(x, y, outerRadius, outerMidAdjustedAngle, outerEndAdjustedAngle); + if (outerEnd > 0) { + const pCenter = rThetaToXY(outerEndAdjustedRadius, outerEndAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, outerEnd, outerEndAdjustedAngle, endAngle + HALF_PI); + } + const p4 = rThetaToXY(innerEndAdjustedRadius, endAngle, x, y); + ctx.lineTo(p4.x, p4.y); + if (innerEnd > 0) { + const pCenter = rThetaToXY(innerEndAdjustedRadius, innerEndAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, innerEnd, endAngle + HALF_PI, innerEndAdjustedAngle + Math.PI); + } + const innerMidAdjustedAngle = (endAngle - innerEnd / innerRadius + (startAngle + innerStart / innerRadius)) / 2; + ctx.arc(x, y, innerRadius, endAngle - innerEnd / innerRadius, innerMidAdjustedAngle, true); + ctx.arc(x, y, innerRadius, innerMidAdjustedAngle, startAngle + innerStart / innerRadius, true); + if (innerStart > 0) { + const pCenter = rThetaToXY(innerStartAdjustedRadius, innerStartAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, innerStart, innerStartAdjustedAngle + Math.PI, startAngle - HALF_PI); + } + const p8 = rThetaToXY(outerStartAdjustedRadius, startAngle, x, y); + ctx.lineTo(p8.x, p8.y); + if (outerStart > 0) { + const pCenter = rThetaToXY(outerStartAdjustedRadius, outerStartAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, outerStart, startAngle - HALF_PI, outerStartAdjustedAngle); + } + } else { + ctx.moveTo(x, y); + const outerStartX = Math.cos(outerStartAdjustedAngle) * outerRadius + x; + const outerStartY = Math.sin(outerStartAdjustedAngle) * outerRadius + y; + ctx.lineTo(outerStartX, outerStartY); + const outerEndX = Math.cos(outerEndAdjustedAngle) * outerRadius + x; + const outerEndY = Math.sin(outerEndAdjustedAngle) * outerRadius + y; + ctx.lineTo(outerEndX, outerEndY); + } + ctx.closePath(); +} +function drawArc(ctx, element, offset, spacing, circular) { + const { fullCircles, startAngle, circumference } = element; + let endAngle = element.endAngle; + if (fullCircles) { + pathArc(ctx, element, offset, spacing, endAngle, circular); + for (let i = 0; i < fullCircles; ++i) { + ctx.fill(); + } + if (!isNaN(circumference)) { + endAngle = startAngle + (circumference % TAU || TAU); + } + } + pathArc(ctx, element, offset, spacing, endAngle, circular); + ctx.fill(); + return endAngle; +} +function drawBorder(ctx, element, offset, spacing, circular) { + const { fullCircles, startAngle, circumference, options } = element; + const { borderWidth, borderJoinStyle, borderDash, borderDashOffset } = options; + const inner = options.borderAlign === "inner"; + if (!borderWidth) { + return; + } + ctx.setLineDash(borderDash || []); + ctx.lineDashOffset = borderDashOffset; + if (inner) { + ctx.lineWidth = borderWidth * 2; + ctx.lineJoin = borderJoinStyle || "round"; + } else { + ctx.lineWidth = borderWidth; + ctx.lineJoin = borderJoinStyle || "bevel"; + } + let endAngle = element.endAngle; + if (fullCircles) { + pathArc(ctx, element, offset, spacing, endAngle, circular); + for (let i = 0; i < fullCircles; ++i) { + ctx.stroke(); + } + if (!isNaN(circumference)) { + endAngle = startAngle + (circumference % TAU || TAU); + } + } + if (inner) { + clipArc(ctx, element, endAngle); + } + if (!fullCircles) { + pathArc(ctx, element, offset, spacing, endAngle, circular); + ctx.stroke(); + } +} +var ArcElement = class extends Element { + circumference; + endAngle; + fullCircles; + innerRadius; + outerRadius; + pixelMargin; + startAngle; + constructor(cfg) { + super(); + this.options = void 0; + this.circumference = void 0; + this.startAngle = void 0; + this.endAngle = void 0; + this.innerRadius = void 0; + this.outerRadius = void 0; + this.pixelMargin = 0; + this.fullCircles = 0; + if (cfg) { + Object.assign(this, cfg); + } + } + inRange(chartX, chartY, useFinalPosition) { + const point = this.getProps([ + "x", + "y" + ], useFinalPosition); + const { angle, distance } = getAngleFromPoint(point, { + x: chartX, + y: chartY + }); + const { startAngle, endAngle, innerRadius, outerRadius, circumference } = this.getProps([ + "startAngle", + "endAngle", + "innerRadius", + "outerRadius", + "circumference" + ], useFinalPosition); + const rAdjust = (this.options.spacing + this.options.borderWidth) / 2; + const _circumference = valueOrDefault(circumference, endAngle - startAngle); + const betweenAngles = _circumference >= TAU || _angleBetween(angle, startAngle, endAngle); + const withinRadius = _isBetween(distance, innerRadius + rAdjust, outerRadius + rAdjust); + return betweenAngles && withinRadius; + } + getCenterPoint(useFinalPosition) { + const { x, y, startAngle, endAngle, innerRadius, outerRadius } = this.getProps([ + "x", + "y", + "startAngle", + "endAngle", + "innerRadius", + "outerRadius" + ], useFinalPosition); + const { offset, spacing } = this.options; + const halfAngle = (startAngle + endAngle) / 2; + const halfRadius = (innerRadius + outerRadius + spacing + offset) / 2; + return { + x: x + Math.cos(halfAngle) * halfRadius, + y: y + Math.sin(halfAngle) * halfRadius + }; + } + tooltipPosition(useFinalPosition) { + return this.getCenterPoint(useFinalPosition); + } + draw(ctx) { + const { options, circumference } = this; + const offset = (options.offset || 0) / 4; + const spacing = (options.spacing || 0) / 2; + const circular = options.circular; + this.pixelMargin = options.borderAlign === "inner" ? 0.33 : 0; + this.fullCircles = circumference > TAU ? Math.floor(circumference / TAU) : 0; + if (circumference === 0 || this.innerRadius < 0 || this.outerRadius < 0) { + return; + } + ctx.save(); + const halfAngle = (this.startAngle + this.endAngle) / 2; + ctx.translate(Math.cos(halfAngle) * offset, Math.sin(halfAngle) * offset); + const fix = 1 - Math.sin(Math.min(PI, circumference || 0)); + const radiusOffset = offset * fix; + ctx.fillStyle = options.backgroundColor; + ctx.strokeStyle = options.borderColor; + drawArc(ctx, this, radiusOffset, spacing, circular); + drawBorder(ctx, this, radiusOffset, spacing, circular); + ctx.restore(); + } +}; +__publicField(ArcElement, "id", "arc"); +__publicField(ArcElement, "defaults", { + borderAlign: "center", + borderColor: "#fff", + borderDash: [], + borderDashOffset: 0, + borderJoinStyle: void 0, + borderRadius: 0, + borderWidth: 2, + offset: 0, + spacing: 0, + angle: void 0, + circular: true +}); +__publicField(ArcElement, "defaultRoutes", { + backgroundColor: "backgroundColor" +}); +__publicField(ArcElement, "descriptors", { + _scriptable: true, + _indexable: (name) => name !== "borderDash" +}); +function setStyle(ctx, options, style = options) { + ctx.lineCap = valueOrDefault(style.borderCapStyle, options.borderCapStyle); + ctx.setLineDash(valueOrDefault(style.borderDash, options.borderDash)); + ctx.lineDashOffset = valueOrDefault(style.borderDashOffset, options.borderDashOffset); + ctx.lineJoin = valueOrDefault(style.borderJoinStyle, options.borderJoinStyle); + ctx.lineWidth = valueOrDefault(style.borderWidth, options.borderWidth); + ctx.strokeStyle = valueOrDefault(style.borderColor, options.borderColor); +} +function lineTo(ctx, previous, target) { + ctx.lineTo(target.x, target.y); +} +function getLineMethod(options) { + if (options.stepped) { + return _steppedLineTo; + } + if (options.tension || options.cubicInterpolationMode === "monotone") { + return _bezierCurveTo; + } + return lineTo; +} +function pathVars(points, segment, params = {}) { + const count = points.length; + const { start: paramsStart = 0, end: paramsEnd = count - 1 } = params; + const { start: segmentStart, end: segmentEnd } = segment; + const start = Math.max(paramsStart, segmentStart); + const end = Math.min(paramsEnd, segmentEnd); + const outside = paramsStart < segmentStart && paramsEnd < segmentStart || paramsStart > segmentEnd && paramsEnd > segmentEnd; + return { + count, + start, + loop: segment.loop, + ilen: end < start && !outside ? count + end - start : end - start + }; +} +function pathSegment(ctx, line, segment, params) { + const { points, options } = line; + const { count, start, loop, ilen } = pathVars(points, segment, params); + const lineMethod = getLineMethod(options); + let { move = true, reverse } = params || {}; + let i, point, prev; + for (i = 0; i <= ilen; ++i) { + point = points[(start + (reverse ? ilen - i : i)) % count]; + if (point.skip) { + continue; + } else if (move) { + ctx.moveTo(point.x, point.y); + move = false; + } else { + lineMethod(ctx, prev, point, reverse, options.stepped); + } + prev = point; + } + if (loop) { + point = points[(start + (reverse ? ilen : 0)) % count]; + lineMethod(ctx, prev, point, reverse, options.stepped); + } + return !!loop; +} +function fastPathSegment(ctx, line, segment, params) { + const points = line.points; + const { count, start, ilen } = pathVars(points, segment, params); + const { move = true, reverse } = params || {}; + let avgX = 0; + let countX = 0; + let i, point, prevX, minY, maxY, lastY; + const pointIndex = (index2) => (start + (reverse ? ilen - index2 : index2)) % count; + const drawX = () => { + if (minY !== maxY) { + ctx.lineTo(avgX, maxY); + ctx.lineTo(avgX, minY); + ctx.lineTo(avgX, lastY); + } + }; + if (move) { + point = points[pointIndex(0)]; + ctx.moveTo(point.x, point.y); + } + for (i = 0; i <= ilen; ++i) { + point = points[pointIndex(i)]; + if (point.skip) { + continue; + } + const x = point.x; + const y = point.y; + const truncX = x | 0; + if (truncX === prevX) { + if (y < minY) { + minY = y; + } else if (y > maxY) { + maxY = y; + } + avgX = (countX * avgX + x) / ++countX; + } else { + drawX(); + ctx.lineTo(x, y); + prevX = truncX; + countX = 0; + minY = maxY = y; + } + lastY = y; + } + drawX(); +} +function _getSegmentMethod(line) { + const opts = line.options; + const borderDash = opts.borderDash && opts.borderDash.length; + const useFastPath = !line._decimated && !line._loop && !opts.tension && opts.cubicInterpolationMode !== "monotone" && !opts.stepped && !borderDash; + return useFastPath ? fastPathSegment : pathSegment; +} +function _getInterpolationMethod(options) { + if (options.stepped) { + return _steppedInterpolation; + } + if (options.tension || options.cubicInterpolationMode === "monotone") { + return _bezierInterpolation; + } + return _pointInLine; +} +function strokePathWithCache(ctx, line, start, count) { + let path = line._path; + if (!path) { + path = line._path = new Path2D(); + if (line.path(path, start, count)) { + path.closePath(); + } + } + setStyle(ctx, line.options); + ctx.stroke(path); +} +function strokePathDirect(ctx, line, start, count) { + const { segments, options } = line; + const segmentMethod = _getSegmentMethod(line); + for (const segment of segments) { + setStyle(ctx, options, segment.style); + ctx.beginPath(); + if (segmentMethod(ctx, line, segment, { + start, + end: start + count - 1 + })) { + ctx.closePath(); + } + ctx.stroke(); + } +} +var usePath2D = typeof Path2D === "function"; +function draw(ctx, line, start, count) { + if (usePath2D && !line.options.segment) { + strokePathWithCache(ctx, line, start, count); + } else { + strokePathDirect(ctx, line, start, count); + } +} +var LineElement = class extends Element { + constructor(cfg) { + super(); + this.animated = true; + this.options = void 0; + this._chart = void 0; + this._loop = void 0; + this._fullLoop = void 0; + this._path = void 0; + this._points = void 0; + this._segments = void 0; + this._decimated = false; + this._pointsUpdated = false; + this._datasetIndex = void 0; + if (cfg) { + Object.assign(this, cfg); + } + } + updateControlPoints(chartArea, indexAxis) { + const options = this.options; + if ((options.tension || options.cubicInterpolationMode === "monotone") && !options.stepped && !this._pointsUpdated) { + const loop = options.spanGaps ? this._loop : this._fullLoop; + _updateBezierControlPoints(this._points, options, chartArea, loop, indexAxis); + this._pointsUpdated = true; + } + } + set points(points) { + this._points = points; + delete this._segments; + delete this._path; + this._pointsUpdated = false; + } + get points() { + return this._points; + } + get segments() { + return this._segments || (this._segments = _computeSegments(this, this.options.segment)); + } + first() { + const segments = this.segments; + const points = this.points; + return segments.length && points[segments[0].start]; + } + last() { + const segments = this.segments; + const points = this.points; + const count = segments.length; + return count && points[segments[count - 1].end]; + } + interpolate(point, property) { + const options = this.options; + const value = point[property]; + const points = this.points; + const segments = _boundSegments(this, { + property, + start: value, + end: value + }); + if (!segments.length) { + return; + } + const result = []; + const _interpolate = _getInterpolationMethod(options); + let i, ilen; + for (i = 0, ilen = segments.length; i < ilen; ++i) { + const { start, end } = segments[i]; + const p1 = points[start]; + const p2 = points[end]; + if (p1 === p2) { + result.push(p1); + continue; + } + const t = Math.abs((value - p1[property]) / (p2[property] - p1[property])); + const interpolated = _interpolate(p1, p2, t, options.stepped); + interpolated[property] = point[property]; + result.push(interpolated); + } + return result.length === 1 ? result[0] : result; + } + pathSegment(ctx, segment, params) { + const segmentMethod = _getSegmentMethod(this); + return segmentMethod(ctx, this, segment, params); + } + path(ctx, start, count) { + const segments = this.segments; + const segmentMethod = _getSegmentMethod(this); + let loop = this._loop; + start = start || 0; + count = count || this.points.length - start; + for (const segment of segments) { + loop &= segmentMethod(ctx, this, segment, { + start, + end: start + count - 1 + }); + } + return !!loop; + } + draw(ctx, chartArea, start, count) { + const options = this.options || {}; + const points = this.points || []; + if (points.length && options.borderWidth) { + ctx.save(); + draw(ctx, this, start, count); + ctx.restore(); + } + if (this.animated) { + this._pointsUpdated = false; + this._path = void 0; + } + } +}; +__publicField(LineElement, "id", "line"); +__publicField(LineElement, "defaults", { + borderCapStyle: "butt", + borderDash: [], + borderDashOffset: 0, + borderJoinStyle: "miter", + borderWidth: 3, + capBezierPoints: true, + cubicInterpolationMode: "default", + fill: false, + spanGaps: false, + stepped: false, + tension: 0 +}); +__publicField(LineElement, "defaultRoutes", { + backgroundColor: "backgroundColor", + borderColor: "borderColor" +}); +__publicField(LineElement, "descriptors", { + _scriptable: true, + _indexable: (name) => name !== "borderDash" && name !== "fill" +}); +function inRange$1(el, pos, axis, useFinalPosition) { + const options = el.options; + const { [axis]: value } = el.getProps([ + axis + ], useFinalPosition); + return Math.abs(pos - value) < options.radius + options.hitRadius; +} +var PointElement = class extends Element { + parsed; + skip; + stop; + constructor(cfg) { + super(); + this.options = void 0; + this.parsed = void 0; + this.skip = void 0; + this.stop = void 0; + if (cfg) { + Object.assign(this, cfg); + } + } + inRange(mouseX, mouseY, useFinalPosition) { + const options = this.options; + const { x, y } = this.getProps([ + "x", + "y" + ], useFinalPosition); + return Math.pow(mouseX - x, 2) + Math.pow(mouseY - y, 2) < Math.pow(options.hitRadius + options.radius, 2); + } + inXRange(mouseX, useFinalPosition) { + return inRange$1(this, mouseX, "x", useFinalPosition); + } + inYRange(mouseY, useFinalPosition) { + return inRange$1(this, mouseY, "y", useFinalPosition); + } + getCenterPoint(useFinalPosition) { + const { x, y } = this.getProps([ + "x", + "y" + ], useFinalPosition); + return { + x, + y + }; + } + size(options) { + options = options || this.options || {}; + let radius = options.radius || 0; + radius = Math.max(radius, radius && options.hoverRadius || 0); + const borderWidth = radius && options.borderWidth || 0; + return (radius + borderWidth) * 2; + } + draw(ctx, area) { + const options = this.options; + if (this.skip || options.radius < 0.1 || !_isPointInArea(this, area, this.size(options) / 2)) { + return; + } + ctx.strokeStyle = options.borderColor; + ctx.lineWidth = options.borderWidth; + ctx.fillStyle = options.backgroundColor; + drawPoint(ctx, options, this.x, this.y); + } + getRange() { + const options = this.options || {}; + return options.radius + options.hitRadius; + } +}; +__publicField(PointElement, "id", "point"); +/** +* @type {any} +*/ +__publicField(PointElement, "defaults", { + borderWidth: 1, + hitRadius: 1, + hoverBorderWidth: 1, + hoverRadius: 4, + pointStyle: "circle", + radius: 3, + rotation: 0 +}); +/** +* @type {any} +*/ +__publicField(PointElement, "defaultRoutes", { + backgroundColor: "backgroundColor", + borderColor: "borderColor" +}); +function getBarBounds(bar, useFinalPosition) { + const { x, y, base, width, height } = bar.getProps([ + "x", + "y", + "base", + "width", + "height" + ], useFinalPosition); + let left, right, top, bottom, half; + if (bar.horizontal) { + half = height / 2; + left = Math.min(x, base); + right = Math.max(x, base); + top = y - half; + bottom = y + half; + } else { + half = width / 2; + left = x - half; + right = x + half; + top = Math.min(y, base); + bottom = Math.max(y, base); + } + return { + left, + top, + right, + bottom + }; +} +function skipOrLimit(skip2, value, min, max) { + return skip2 ? 0 : _limitValue(value, min, max); +} +function parseBorderWidth(bar, maxW, maxH) { + const value = bar.options.borderWidth; + const skip2 = bar.borderSkipped; + const o = toTRBL(value); + return { + t: skipOrLimit(skip2.top, o.top, 0, maxH), + r: skipOrLimit(skip2.right, o.right, 0, maxW), + b: skipOrLimit(skip2.bottom, o.bottom, 0, maxH), + l: skipOrLimit(skip2.left, o.left, 0, maxW) + }; +} +function parseBorderRadius(bar, maxW, maxH) { + const { enableBorderRadius } = bar.getProps([ + "enableBorderRadius" + ]); + const value = bar.options.borderRadius; + const o = toTRBLCorners(value); + const maxR = Math.min(maxW, maxH); + const skip2 = bar.borderSkipped; + const enableBorder = enableBorderRadius || isObject(value); + return { + topLeft: skipOrLimit(!enableBorder || skip2.top || skip2.left, o.topLeft, 0, maxR), + topRight: skipOrLimit(!enableBorder || skip2.top || skip2.right, o.topRight, 0, maxR), + bottomLeft: skipOrLimit(!enableBorder || skip2.bottom || skip2.left, o.bottomLeft, 0, maxR), + bottomRight: skipOrLimit(!enableBorder || skip2.bottom || skip2.right, o.bottomRight, 0, maxR) + }; +} +function boundingRects(bar) { + const bounds = getBarBounds(bar); + const width = bounds.right - bounds.left; + const height = bounds.bottom - bounds.top; + const border = parseBorderWidth(bar, width / 2, height / 2); + const radius = parseBorderRadius(bar, width / 2, height / 2); + return { + outer: { + x: bounds.left, + y: bounds.top, + w: width, + h: height, + radius + }, + inner: { + x: bounds.left + border.l, + y: bounds.top + border.t, + w: width - border.l - border.r, + h: height - border.t - border.b, + radius: { + topLeft: Math.max(0, radius.topLeft - Math.max(border.t, border.l)), + topRight: Math.max(0, radius.topRight - Math.max(border.t, border.r)), + bottomLeft: Math.max(0, radius.bottomLeft - Math.max(border.b, border.l)), + bottomRight: Math.max(0, radius.bottomRight - Math.max(border.b, border.r)) + } + } + }; +} +function inRange(bar, x, y, useFinalPosition) { + const skipX = x === null; + const skipY = y === null; + const skipBoth = skipX && skipY; + const bounds = bar && !skipBoth && getBarBounds(bar, useFinalPosition); + return bounds && (skipX || _isBetween(x, bounds.left, bounds.right)) && (skipY || _isBetween(y, bounds.top, bounds.bottom)); +} +function hasRadius(radius) { + return radius.topLeft || radius.topRight || radius.bottomLeft || radius.bottomRight; +} +function addNormalRectPath(ctx, rect) { + ctx.rect(rect.x, rect.y, rect.w, rect.h); +} +function inflateRect(rect, amount, refRect = {}) { + const x = rect.x !== refRect.x ? -amount : 0; + const y = rect.y !== refRect.y ? -amount : 0; + const w = (rect.x + rect.w !== refRect.x + refRect.w ? amount : 0) - x; + const h = (rect.y + rect.h !== refRect.y + refRect.h ? amount : 0) - y; + return { + x: rect.x + x, + y: rect.y + y, + w: rect.w + w, + h: rect.h + h, + radius: rect.radius + }; +} +var BarElement = class extends Element { + constructor(cfg) { + super(); + this.options = void 0; + this.horizontal = void 0; + this.base = void 0; + this.width = void 0; + this.height = void 0; + this.inflateAmount = void 0; + if (cfg) { + Object.assign(this, cfg); + } + } + draw(ctx) { + const { inflateAmount, options: { borderColor, backgroundColor } } = this; + const { inner, outer } = boundingRects(this); + const addRectPath = hasRadius(outer.radius) ? addRoundedRectPath : addNormalRectPath; + ctx.save(); + if (outer.w !== inner.w || outer.h !== inner.h) { + ctx.beginPath(); + addRectPath(ctx, inflateRect(outer, inflateAmount, inner)); + ctx.clip(); + addRectPath(ctx, inflateRect(inner, -inflateAmount, outer)); + ctx.fillStyle = borderColor; + ctx.fill("evenodd"); + } + ctx.beginPath(); + addRectPath(ctx, inflateRect(inner, inflateAmount)); + ctx.fillStyle = backgroundColor; + ctx.fill(); + ctx.restore(); + } + inRange(mouseX, mouseY, useFinalPosition) { + return inRange(this, mouseX, mouseY, useFinalPosition); + } + inXRange(mouseX, useFinalPosition) { + return inRange(this, mouseX, null, useFinalPosition); + } + inYRange(mouseY, useFinalPosition) { + return inRange(this, null, mouseY, useFinalPosition); + } + getCenterPoint(useFinalPosition) { + const { x, y, base, horizontal } = this.getProps([ + "x", + "y", + "base", + "horizontal" + ], useFinalPosition); + return { + x: horizontal ? (x + base) / 2 : x, + y: horizontal ? y : (y + base) / 2 + }; + } + getRange(axis) { + return axis === "x" ? this.width / 2 : this.height / 2; + } +}; +__publicField(BarElement, "id", "bar"); +__publicField(BarElement, "defaults", { + borderSkipped: "start", + borderWidth: 0, + borderRadius: 0, + inflateAmount: "auto", + pointStyle: void 0 +}); +__publicField(BarElement, "defaultRoutes", { + backgroundColor: "backgroundColor", + borderColor: "borderColor" +}); +var elements = /* @__PURE__ */ Object.freeze({ + __proto__: null, + ArcElement, + BarElement, + LineElement, + PointElement +}); +var BORDER_COLORS = [ + "rgb(54, 162, 235)", + "rgb(255, 99, 132)", + "rgb(255, 159, 64)", + "rgb(255, 205, 86)", + "rgb(75, 192, 192)", + "rgb(153, 102, 255)", + "rgb(201, 203, 207)" + // grey +]; +var BACKGROUND_COLORS = /* @__PURE__ */ BORDER_COLORS.map((color2) => color2.replace("rgb(", "rgba(").replace(")", ", 0.5)")); +function getBorderColor(i) { + return BORDER_COLORS[i % BORDER_COLORS.length]; +} +function getBackgroundColor(i) { + return BACKGROUND_COLORS[i % BACKGROUND_COLORS.length]; +} +function colorizeDefaultDataset(dataset, i) { + dataset.borderColor = getBorderColor(i); + dataset.backgroundColor = getBackgroundColor(i); + return ++i; +} +function colorizeDoughnutDataset(dataset, i) { + dataset.backgroundColor = dataset.data.map(() => getBorderColor(i++)); + return i; +} +function colorizePolarAreaDataset(dataset, i) { + dataset.backgroundColor = dataset.data.map(() => getBackgroundColor(i++)); + return i; +} +function getColorizer(chart) { + let i = 0; + return (dataset, datasetIndex) => { + const controller = chart.getDatasetMeta(datasetIndex).controller; + if (controller instanceof DoughnutController) { + i = colorizeDoughnutDataset(dataset, i); + } else if (controller instanceof PolarAreaController) { + i = colorizePolarAreaDataset(dataset, i); + } else if (controller) { + i = colorizeDefaultDataset(dataset, i); + } + }; +} +function containsColorsDefinitions(descriptors2) { + let k; + for (k in descriptors2) { + if (descriptors2[k].borderColor || descriptors2[k].backgroundColor) { + return true; + } + } + return false; +} +function containsColorsDefinition(descriptor) { + return descriptor && (descriptor.borderColor || descriptor.backgroundColor); +} +var plugin_colors = { + id: "colors", + defaults: { + enabled: true, + forceOverride: false + }, + beforeLayout(chart, _args, options) { + if (!options.enabled) { + return; + } + const { data: { datasets }, options: chartOptions } = chart.config; + const { elements: elements2 } = chartOptions; + if (!options.forceOverride && (containsColorsDefinitions(datasets) || containsColorsDefinition(chartOptions) || elements2 && containsColorsDefinitions(elements2))) { + return; + } + const colorizer = getColorizer(chart); + datasets.forEach(colorizer); + } +}; +function lttbDecimation(data2, start, count, availableWidth, options) { + const samples = options.samples || availableWidth; + if (samples >= count) { + return data2.slice(start, start + count); + } + const decimated = []; + const bucketWidth = (count - 2) / (samples - 2); + let sampledIndex = 0; + const endIndex = start + count - 1; + let a = start; + let i, maxAreaPoint, maxArea, area, nextA; + decimated[sampledIndex++] = data2[a]; + for (i = 0; i < samples - 2; i++) { + let avgX = 0; + let avgY = 0; + let j; + const avgRangeStart = Math.floor((i + 1) * bucketWidth) + 1 + start; + const avgRangeEnd = Math.min(Math.floor((i + 2) * bucketWidth) + 1, count) + start; + const avgRangeLength = avgRangeEnd - avgRangeStart; + for (j = avgRangeStart; j < avgRangeEnd; j++) { + avgX += data2[j].x; + avgY += data2[j].y; + } + avgX /= avgRangeLength; + avgY /= avgRangeLength; + const rangeOffs = Math.floor(i * bucketWidth) + 1 + start; + const rangeTo = Math.min(Math.floor((i + 1) * bucketWidth) + 1, count) + start; + const { x: pointAx, y: pointAy } = data2[a]; + maxArea = area = -1; + for (j = rangeOffs; j < rangeTo; j++) { + area = 0.5 * Math.abs((pointAx - avgX) * (data2[j].y - pointAy) - (pointAx - data2[j].x) * (avgY - pointAy)); + if (area > maxArea) { + maxArea = area; + maxAreaPoint = data2[j]; + nextA = j; + } + } + decimated[sampledIndex++] = maxAreaPoint; + a = nextA; + } + decimated[sampledIndex++] = data2[endIndex]; + return decimated; +} +function minMaxDecimation(data2, start, count, availableWidth) { + let avgX = 0; + let countX = 0; + let i, point, x, y, prevX, minIndex, maxIndex, startIndex, minY, maxY; + const decimated = []; + const endIndex = start + count - 1; + const xMin = data2[start].x; + const xMax = data2[endIndex].x; + const dx = xMax - xMin; + for (i = start; i < start + count; ++i) { + point = data2[i]; + x = (point.x - xMin) / dx * availableWidth; + y = point.y; + const truncX = x | 0; + if (truncX === prevX) { + if (y < minY) { + minY = y; + minIndex = i; + } else if (y > maxY) { + maxY = y; + maxIndex = i; + } + avgX = (countX * avgX + point.x) / ++countX; + } else { + const lastIndex = i - 1; + if (!isNullOrUndef(minIndex) && !isNullOrUndef(maxIndex)) { + const intermediateIndex1 = Math.min(minIndex, maxIndex); + const intermediateIndex2 = Math.max(minIndex, maxIndex); + if (intermediateIndex1 !== startIndex && intermediateIndex1 !== lastIndex) { + decimated.push({ + ...data2[intermediateIndex1], + x: avgX + }); + } + if (intermediateIndex2 !== startIndex && intermediateIndex2 !== lastIndex) { + decimated.push({ + ...data2[intermediateIndex2], + x: avgX + }); + } + } + if (i > 0 && lastIndex !== startIndex) { + decimated.push(data2[lastIndex]); + } + decimated.push(point); + prevX = truncX; + countX = 0; + minY = maxY = y; + minIndex = maxIndex = startIndex = i; + } + } + return decimated; +} +function cleanDecimatedDataset(dataset) { + if (dataset._decimated) { + const data2 = dataset._data; + delete dataset._decimated; + delete dataset._data; + Object.defineProperty(dataset, "data", { + configurable: true, + enumerable: true, + writable: true, + value: data2 + }); + } +} +function cleanDecimatedData(chart) { + chart.data.datasets.forEach((dataset) => { + cleanDecimatedDataset(dataset); + }); +} +function getStartAndCountOfVisiblePointsSimplified(meta, points) { + const pointCount = points.length; + let start = 0; + let count; + const { iScale } = meta; + const { min, max, minDefined, maxDefined } = iScale.getUserBounds(); + if (minDefined) { + start = _limitValue(_lookupByKey(points, iScale.axis, min).lo, 0, pointCount - 1); + } + if (maxDefined) { + count = _limitValue(_lookupByKey(points, iScale.axis, max).hi + 1, start, pointCount) - start; + } else { + count = pointCount - start; + } + return { + start, + count + }; +} +var plugin_decimation = { + id: "decimation", + defaults: { + algorithm: "min-max", + enabled: false + }, + beforeElementsUpdate: (chart, args, options) => { + if (!options.enabled) { + cleanDecimatedData(chart); + return; + } + const availableWidth = chart.width; + chart.data.datasets.forEach((dataset, datasetIndex) => { + const { _data, indexAxis } = dataset; + const meta = chart.getDatasetMeta(datasetIndex); + const data2 = _data || dataset.data; + if (resolve([ + indexAxis, + chart.options.indexAxis + ]) === "y") { + return; + } + if (!meta.controller.supportsDecimation) { + return; + } + const xAxis = chart.scales[meta.xAxisID]; + if (xAxis.type !== "linear" && xAxis.type !== "time") { + return; + } + if (chart.options.parsing) { + return; + } + let { start, count } = getStartAndCountOfVisiblePointsSimplified(meta, data2); + const threshold = options.threshold || 4 * availableWidth; + if (count <= threshold) { + cleanDecimatedDataset(dataset); + return; + } + if (isNullOrUndef(_data)) { + dataset._data = data2; + delete dataset.data; + Object.defineProperty(dataset, "data", { + configurable: true, + enumerable: true, + get: function() { + return this._decimated; + }, + set: function(d) { + this._data = d; + } + }); + } + let decimated; + switch (options.algorithm) { + case "lttb": + decimated = lttbDecimation(data2, start, count, availableWidth, options); + break; + case "min-max": + decimated = minMaxDecimation(data2, start, count, availableWidth); + break; + default: + throw new Error(`Unsupported decimation algorithm '${options.algorithm}'`); + } + dataset._decimated = decimated; + }); + }, + destroy(chart) { + cleanDecimatedData(chart); + } +}; +function _segments(line, target, property) { + const segments = line.segments; + const points = line.points; + const tpoints = target.points; + const parts = []; + for (const segment of segments) { + let { start, end } = segment; + end = _findSegmentEnd(start, end, points); + const bounds = _getBounds(property, points[start], points[end], segment.loop); + if (!target.segments) { + parts.push({ + source: segment, + target: bounds, + start: points[start], + end: points[end] + }); + continue; + } + const targetSegments = _boundSegments(target, bounds); + for (const tgt of targetSegments) { + const subBounds = _getBounds(property, tpoints[tgt.start], tpoints[tgt.end], tgt.loop); + const fillSources = _boundSegment(segment, points, subBounds); + for (const fillSource of fillSources) { + parts.push({ + source: fillSource, + target: tgt, + start: { + [property]: _getEdge(bounds, subBounds, "start", Math.max) + }, + end: { + [property]: _getEdge(bounds, subBounds, "end", Math.min) + } + }); + } + } + } + return parts; +} +function _getBounds(property, first, last, loop) { + if (loop) { + return; + } + let start = first[property]; + let end = last[property]; + if (property === "angle") { + start = _normalizeAngle(start); + end = _normalizeAngle(end); + } + return { + property, + start, + end + }; +} +function _pointsFromSegments(boundary, line) { + const { x = null, y = null } = boundary || {}; + const linePoints = line.points; + const points = []; + line.segments.forEach(({ start, end }) => { + end = _findSegmentEnd(start, end, linePoints); + const first = linePoints[start]; + const last = linePoints[end]; + if (y !== null) { + points.push({ + x: first.x, + y + }); + points.push({ + x: last.x, + y + }); + } else if (x !== null) { + points.push({ + x, + y: first.y + }); + points.push({ + x, + y: last.y + }); + } + }); + return points; +} +function _findSegmentEnd(start, end, points) { + for (; end > start; end--) { + const point = points[end]; + if (!isNaN(point.x) && !isNaN(point.y)) { + break; + } + } + return end; +} +function _getEdge(a, b, prop, fn) { + if (a && b) { + return fn(a[prop], b[prop]); + } + return a ? a[prop] : b ? b[prop] : 0; +} +function _createBoundaryLine(boundary, line) { + let points = []; + let _loop = false; + if (isArray(boundary)) { + _loop = true; + points = boundary; + } else { + points = _pointsFromSegments(boundary, line); + } + return points.length ? new LineElement({ + points, + options: { + tension: 0 + }, + _loop, + _fullLoop: _loop + }) : null; +} +function _shouldApplyFill(source) { + return source && source.fill !== false; +} +function _resolveTarget(sources, index2, propagate) { + const source = sources[index2]; + let fill2 = source.fill; + const visited = [ + index2 + ]; + let target; + if (!propagate) { + return fill2; + } + while (fill2 !== false && visited.indexOf(fill2) === -1) { + if (!isNumberFinite(fill2)) { + return fill2; + } + target = sources[fill2]; + if (!target) { + return false; + } + if (target.visible) { + return fill2; + } + visited.push(fill2); + fill2 = target.fill; + } + return false; +} +function _decodeFill(line, index2, count) { + const fill2 = parseFillOption(line); + if (isObject(fill2)) { + return isNaN(fill2.value) ? false : fill2; + } + let target = parseFloat(fill2); + if (isNumberFinite(target) && Math.floor(target) === target) { + return decodeTargetIndex(fill2[0], index2, target, count); + } + return [ + "origin", + "start", + "end", + "stack", + "shape" + ].indexOf(fill2) >= 0 && fill2; +} +function decodeTargetIndex(firstCh, index2, target, count) { + if (firstCh === "-" || firstCh === "+") { + target = index2 + target; + } + if (target === index2 || target < 0 || target >= count) { + return false; + } + return target; +} +function _getTargetPixel(fill2, scale) { + let pixel = null; + if (fill2 === "start") { + pixel = scale.bottom; + } else if (fill2 === "end") { + pixel = scale.top; + } else if (isObject(fill2)) { + pixel = scale.getPixelForValue(fill2.value); + } else if (scale.getBasePixel) { + pixel = scale.getBasePixel(); + } + return pixel; +} +function _getTargetValue(fill2, scale, startValue) { + let value; + if (fill2 === "start") { + value = startValue; + } else if (fill2 === "end") { + value = scale.options.reverse ? scale.min : scale.max; + } else if (isObject(fill2)) { + value = fill2.value; + } else { + value = scale.getBaseValue(); + } + return value; +} +function parseFillOption(line) { + const options = line.options; + const fillOption = options.fill; + let fill2 = valueOrDefault(fillOption && fillOption.target, fillOption); + if (fill2 === void 0) { + fill2 = !!options.backgroundColor; + } + if (fill2 === false || fill2 === null) { + return false; + } + if (fill2 === true) { + return "origin"; + } + return fill2; +} +function _buildStackLine(source) { + const { scale, index: index2, line } = source; + const points = []; + const segments = line.segments; + const sourcePoints = line.points; + const linesBelow = getLinesBelow(scale, index2); + linesBelow.push(_createBoundaryLine({ + x: null, + y: scale.bottom + }, line)); + for (let i = 0; i < segments.length; i++) { + const segment = segments[i]; + for (let j = segment.start; j <= segment.end; j++) { + addPointsBelow(points, sourcePoints[j], linesBelow); + } + } + return new LineElement({ + points, + options: {} + }); +} +function getLinesBelow(scale, index2) { + const below = []; + const metas = scale.getMatchingVisibleMetas("line"); + for (let i = 0; i < metas.length; i++) { + const meta = metas[i]; + if (meta.index === index2) { + break; + } + if (!meta.hidden) { + below.unshift(meta.dataset); + } + } + return below; +} +function addPointsBelow(points, sourcePoint, linesBelow) { + const postponed = []; + for (let j = 0; j < linesBelow.length; j++) { + const line = linesBelow[j]; + const { first, last, point } = findPoint(line, sourcePoint, "x"); + if (!point || first && last) { + continue; + } + if (first) { + postponed.unshift(point); + } else { + points.push(point); + if (!last) { + break; + } + } + } + points.push(...postponed); +} +function findPoint(line, sourcePoint, property) { + const point = line.interpolate(sourcePoint, property); + if (!point) { + return {}; + } + const pointValue = point[property]; + const segments = line.segments; + const linePoints = line.points; + let first = false; + let last = false; + for (let i = 0; i < segments.length; i++) { + const segment = segments[i]; + const firstValue = linePoints[segment.start][property]; + const lastValue = linePoints[segment.end][property]; + if (_isBetween(pointValue, firstValue, lastValue)) { + first = pointValue === firstValue; + last = pointValue === lastValue; + break; + } + } + return { + first, + last, + point + }; +} +var simpleArc = class { + constructor(opts) { + this.x = opts.x; + this.y = opts.y; + this.radius = opts.radius; + } + pathSegment(ctx, bounds, opts) { + const { x, y, radius } = this; + bounds = bounds || { + start: 0, + end: TAU + }; + ctx.arc(x, y, radius, bounds.end, bounds.start, true); + return !opts.bounds; + } + interpolate(point) { + const { x, y, radius } = this; + const angle = point.angle; + return { + x: x + Math.cos(angle) * radius, + y: y + Math.sin(angle) * radius, + angle + }; + } +}; +function _getTarget(source) { + const { chart, fill: fill2, line } = source; + if (isNumberFinite(fill2)) { + return getLineByIndex(chart, fill2); + } + if (fill2 === "stack") { + return _buildStackLine(source); + } + if (fill2 === "shape") { + return true; + } + const boundary = computeBoundary(source); + if (boundary instanceof simpleArc) { + return boundary; + } + return _createBoundaryLine(boundary, line); +} +function getLineByIndex(chart, index2) { + const meta = chart.getDatasetMeta(index2); + const visible = meta && chart.isDatasetVisible(index2); + return visible ? meta.dataset : null; +} +function computeBoundary(source) { + const scale = source.scale || {}; + if (scale.getPointPositionForValue) { + return computeCircularBoundary(source); + } + return computeLinearBoundary(source); +} +function computeLinearBoundary(source) { + const { scale = {}, fill: fill2 } = source; + const pixel = _getTargetPixel(fill2, scale); + if (isNumberFinite(pixel)) { + const horizontal = scale.isHorizontal(); + return { + x: horizontal ? pixel : null, + y: horizontal ? null : pixel + }; + } + return null; +} +function computeCircularBoundary(source) { + const { scale, fill: fill2 } = source; + const options = scale.options; + const length = scale.getLabels().length; + const start = options.reverse ? scale.max : scale.min; + const value = _getTargetValue(fill2, scale, start); + const target = []; + if (options.grid.circular) { + const center = scale.getPointPositionForValue(0, start); + return new simpleArc({ + x: center.x, + y: center.y, + radius: scale.getDistanceFromCenterForValue(value) + }); + } + for (let i = 0; i < length; ++i) { + target.push(scale.getPointPositionForValue(i, value)); + } + return target; +} +function _drawfill(ctx, source, area) { + const target = _getTarget(source); + const { line, scale, axis } = source; + const lineOpts = line.options; + const fillOption = lineOpts.fill; + const color2 = lineOpts.backgroundColor; + const { above = color2, below = color2 } = fillOption || {}; + if (target && line.points.length) { + clipArea(ctx, area); + doFill(ctx, { + line, + target, + above, + below, + area, + scale, + axis + }); + unclipArea(ctx); + } +} +function doFill(ctx, cfg) { + const { line, target, above, below, area, scale } = cfg; + const property = line._loop ? "angle" : cfg.axis; + ctx.save(); + if (property === "x" && below !== above) { + clipVertical(ctx, target, area.top); + fill(ctx, { + line, + target, + color: above, + scale, + property + }); + ctx.restore(); + ctx.save(); + clipVertical(ctx, target, area.bottom); + } + fill(ctx, { + line, + target, + color: below, + scale, + property + }); + ctx.restore(); +} +function clipVertical(ctx, target, clipY) { + const { segments, points } = target; + let first = true; + let lineLoop = false; + ctx.beginPath(); + for (const segment of segments) { + const { start, end } = segment; + const firstPoint = points[start]; + const lastPoint = points[_findSegmentEnd(start, end, points)]; + if (first) { + ctx.moveTo(firstPoint.x, firstPoint.y); + first = false; + } else { + ctx.lineTo(firstPoint.x, clipY); + ctx.lineTo(firstPoint.x, firstPoint.y); + } + lineLoop = !!target.pathSegment(ctx, segment, { + move: lineLoop + }); + if (lineLoop) { + ctx.closePath(); + } else { + ctx.lineTo(lastPoint.x, clipY); + } + } + ctx.lineTo(target.first().x, clipY); + ctx.closePath(); + ctx.clip(); +} +function fill(ctx, cfg) { + const { line, target, property, color: color2, scale } = cfg; + const segments = _segments(line, target, property); + for (const { source: src, target: tgt, start, end } of segments) { + const { style: { backgroundColor = color2 } = {} } = src; + const notShape = target !== true; + ctx.save(); + ctx.fillStyle = backgroundColor; + clipBounds(ctx, scale, notShape && _getBounds(property, start, end)); + ctx.beginPath(); + const lineLoop = !!line.pathSegment(ctx, src); + let loop; + if (notShape) { + if (lineLoop) { + ctx.closePath(); + } else { + interpolatedLineTo(ctx, target, end, property); + } + const targetLoop = !!target.pathSegment(ctx, tgt, { + move: lineLoop, + reverse: true + }); + loop = lineLoop && targetLoop; + if (!loop) { + interpolatedLineTo(ctx, target, start, property); + } + } + ctx.closePath(); + ctx.fill(loop ? "evenodd" : "nonzero"); + ctx.restore(); + } +} +function clipBounds(ctx, scale, bounds) { + const { top, bottom } = scale.chart.chartArea; + const { property, start, end } = bounds || {}; + if (property === "x") { + ctx.beginPath(); + ctx.rect(start, top, end - start, bottom - top); + ctx.clip(); + } +} +function interpolatedLineTo(ctx, target, point, property) { + const interpolatedPoint = target.interpolate(point, property); + if (interpolatedPoint) { + ctx.lineTo(interpolatedPoint.x, interpolatedPoint.y); + } +} +var index = { + id: "filler", + afterDatasetsUpdate(chart, _args, options) { + const count = (chart.data.datasets || []).length; + const sources = []; + let meta, i, line, source; + for (i = 0; i < count; ++i) { + meta = chart.getDatasetMeta(i); + line = meta.dataset; + source = null; + if (line && line.options && line instanceof LineElement) { + source = { + visible: chart.isDatasetVisible(i), + index: i, + fill: _decodeFill(line, i, count), + chart, + axis: meta.controller.options.indexAxis, + scale: meta.vScale, + line + }; + } + meta.$filler = source; + sources.push(source); + } + for (i = 0; i < count; ++i) { + source = sources[i]; + if (!source || source.fill === false) { + continue; + } + source.fill = _resolveTarget(sources, i, options.propagate); + } + }, + beforeDraw(chart, _args, options) { + const draw2 = options.drawTime === "beforeDraw"; + const metasets = chart.getSortedVisibleDatasetMetas(); + const area = chart.chartArea; + for (let i = metasets.length - 1; i >= 0; --i) { + const source = metasets[i].$filler; + if (!source) { + continue; + } + source.line.updateControlPoints(area, source.axis); + if (draw2 && source.fill) { + _drawfill(chart.ctx, source, area); + } + } + }, + beforeDatasetsDraw(chart, _args, options) { + if (options.drawTime !== "beforeDatasetsDraw") { + return; + } + const metasets = chart.getSortedVisibleDatasetMetas(); + for (let i = metasets.length - 1; i >= 0; --i) { + const source = metasets[i].$filler; + if (_shouldApplyFill(source)) { + _drawfill(chart.ctx, source, chart.chartArea); + } + } + }, + beforeDatasetDraw(chart, args, options) { + const source = args.meta.$filler; + if (!_shouldApplyFill(source) || options.drawTime !== "beforeDatasetDraw") { + return; + } + _drawfill(chart.ctx, source, chart.chartArea); + }, + defaults: { + propagate: true, + drawTime: "beforeDatasetDraw" + } +}; +var getBoxSize = (labelOpts, fontSize) => { + let { boxHeight = fontSize, boxWidth = fontSize } = labelOpts; + if (labelOpts.usePointStyle) { + boxHeight = Math.min(boxHeight, fontSize); + boxWidth = labelOpts.pointStyleWidth || Math.min(boxWidth, fontSize); + } + return { + boxWidth, + boxHeight, + itemHeight: Math.max(fontSize, boxHeight) + }; +}; +var itemsEqual = (a, b) => a !== null && b !== null && a.datasetIndex === b.datasetIndex && a.index === b.index; +var Legend = class extends Element { + constructor(config) { + super(); + this._added = false; + this.legendHitBoxes = []; + this._hoveredItem = null; + this.doughnutMode = false; + this.chart = config.chart; + this.options = config.options; + this.ctx = config.ctx; + this.legendItems = void 0; + this.columnSizes = void 0; + this.lineWidths = void 0; + this.maxHeight = void 0; + this.maxWidth = void 0; + this.top = void 0; + this.bottom = void 0; + this.left = void 0; + this.right = void 0; + this.height = void 0; + this.width = void 0; + this._margins = void 0; + this.position = void 0; + this.weight = void 0; + this.fullSize = void 0; + } + update(maxWidth, maxHeight, margins) { + this.maxWidth = maxWidth; + this.maxHeight = maxHeight; + this._margins = margins; + this.setDimensions(); + this.buildLabels(); + this.fit(); + } + setDimensions() { + if (this.isHorizontal()) { + this.width = this.maxWidth; + this.left = this._margins.left; + this.right = this.width; + } else { + this.height = this.maxHeight; + this.top = this._margins.top; + this.bottom = this.height; + } + } + buildLabels() { + const labelOpts = this.options.labels || {}; + let legendItems = callback(labelOpts.generateLabels, [ + this.chart + ], this) || []; + if (labelOpts.filter) { + legendItems = legendItems.filter((item) => labelOpts.filter(item, this.chart.data)); + } + if (labelOpts.sort) { + legendItems = legendItems.sort((a, b) => labelOpts.sort(a, b, this.chart.data)); + } + if (this.options.reverse) { + legendItems.reverse(); + } + this.legendItems = legendItems; + } + fit() { + const { options, ctx } = this; + if (!options.display) { + this.width = this.height = 0; + return; + } + const labelOpts = options.labels; + const labelFont = toFont(labelOpts.font); + const fontSize = labelFont.size; + const titleHeight = this._computeTitleHeight(); + const { boxWidth, itemHeight } = getBoxSize(labelOpts, fontSize); + let width, height; + ctx.font = labelFont.string; + if (this.isHorizontal()) { + width = this.maxWidth; + height = this._fitRows(titleHeight, fontSize, boxWidth, itemHeight) + 10; + } else { + height = this.maxHeight; + width = this._fitCols(titleHeight, labelFont, boxWidth, itemHeight) + 10; + } + this.width = Math.min(width, options.maxWidth || this.maxWidth); + this.height = Math.min(height, options.maxHeight || this.maxHeight); + } + _fitRows(titleHeight, fontSize, boxWidth, itemHeight) { + const { ctx, maxWidth, options: { labels: { padding } } } = this; + const hitboxes = this.legendHitBoxes = []; + const lineWidths = this.lineWidths = [ + 0 + ]; + const lineHeight = itemHeight + padding; + let totalHeight = titleHeight; + ctx.textAlign = "left"; + ctx.textBaseline = "middle"; + let row = -1; + let top = -lineHeight; + this.legendItems.forEach((legendItem, i) => { + const itemWidth = boxWidth + fontSize / 2 + ctx.measureText(legendItem.text).width; + if (i === 0 || lineWidths[lineWidths.length - 1] + itemWidth + 2 * padding > maxWidth) { + totalHeight += lineHeight; + lineWidths[lineWidths.length - (i > 0 ? 0 : 1)] = 0; + top += lineHeight; + row++; + } + hitboxes[i] = { + left: 0, + top, + row, + width: itemWidth, + height: itemHeight + }; + lineWidths[lineWidths.length - 1] += itemWidth + padding; + }); + return totalHeight; + } + _fitCols(titleHeight, labelFont, boxWidth, _itemHeight) { + const { ctx, maxHeight, options: { labels: { padding } } } = this; + const hitboxes = this.legendHitBoxes = []; + const columnSizes = this.columnSizes = []; + const heightLimit = maxHeight - titleHeight; + let totalWidth = padding; + let currentColWidth = 0; + let currentColHeight = 0; + let left = 0; + let col = 0; + this.legendItems.forEach((legendItem, i) => { + const { itemWidth, itemHeight } = calculateItemSize(boxWidth, labelFont, ctx, legendItem, _itemHeight); + if (i > 0 && currentColHeight + itemHeight + 2 * padding > heightLimit) { + totalWidth += currentColWidth + padding; + columnSizes.push({ + width: currentColWidth, + height: currentColHeight + }); + left += currentColWidth + padding; + col++; + currentColWidth = currentColHeight = 0; + } + hitboxes[i] = { + left, + top: currentColHeight, + col, + width: itemWidth, + height: itemHeight + }; + currentColWidth = Math.max(currentColWidth, itemWidth); + currentColHeight += itemHeight + padding; + }); + totalWidth += currentColWidth; + columnSizes.push({ + width: currentColWidth, + height: currentColHeight + }); + return totalWidth; + } + adjustHitBoxes() { + if (!this.options.display) { + return; + } + const titleHeight = this._computeTitleHeight(); + const { legendHitBoxes: hitboxes, options: { align, labels: { padding }, rtl } } = this; + const rtlHelper = getRtlAdapter(rtl, this.left, this.width); + if (this.isHorizontal()) { + let row = 0; + let left = _alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]); + for (const hitbox of hitboxes) { + if (row !== hitbox.row) { + row = hitbox.row; + left = _alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]); + } + hitbox.top += this.top + titleHeight + padding; + hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(left), hitbox.width); + left += hitbox.width + padding; + } + } else { + let col = 0; + let top = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height); + for (const hitbox of hitboxes) { + if (hitbox.col !== col) { + col = hitbox.col; + top = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height); + } + hitbox.top = top; + hitbox.left += this.left + padding; + hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(hitbox.left), hitbox.width); + top += hitbox.height + padding; + } + } + } + isHorizontal() { + return this.options.position === "top" || this.options.position === "bottom"; + } + draw() { + if (this.options.display) { + const ctx = this.ctx; + clipArea(ctx, this); + this._draw(); + unclipArea(ctx); + } + } + _draw() { + const { options: opts, columnSizes, lineWidths, ctx } = this; + const { align, labels: labelOpts } = opts; + const defaultColor = defaults.color; + const rtlHelper = getRtlAdapter(opts.rtl, this.left, this.width); + const labelFont = toFont(labelOpts.font); + const { padding } = labelOpts; + const fontSize = labelFont.size; + const halfFontSize = fontSize / 2; + let cursor; + this.drawTitle(); + ctx.textAlign = rtlHelper.textAlign("left"); + ctx.textBaseline = "middle"; + ctx.lineWidth = 0.5; + ctx.font = labelFont.string; + const { boxWidth, boxHeight, itemHeight } = getBoxSize(labelOpts, fontSize); + const drawLegendBox = function(x, y, legendItem) { + if (isNaN(boxWidth) || boxWidth <= 0 || isNaN(boxHeight) || boxHeight < 0) { + return; + } + ctx.save(); + const lineWidth = valueOrDefault(legendItem.lineWidth, 1); + ctx.fillStyle = valueOrDefault(legendItem.fillStyle, defaultColor); + ctx.lineCap = valueOrDefault(legendItem.lineCap, "butt"); + ctx.lineDashOffset = valueOrDefault(legendItem.lineDashOffset, 0); + ctx.lineJoin = valueOrDefault(legendItem.lineJoin, "miter"); + ctx.lineWidth = lineWidth; + ctx.strokeStyle = valueOrDefault(legendItem.strokeStyle, defaultColor); + ctx.setLineDash(valueOrDefault(legendItem.lineDash, [])); + if (labelOpts.usePointStyle) { + const drawOptions = { + radius: boxHeight * Math.SQRT2 / 2, + pointStyle: legendItem.pointStyle, + rotation: legendItem.rotation, + borderWidth: lineWidth + }; + const centerX = rtlHelper.xPlus(x, boxWidth / 2); + const centerY = y + halfFontSize; + drawPointLegend(ctx, drawOptions, centerX, centerY, labelOpts.pointStyleWidth && boxWidth); + } else { + const yBoxTop = y + Math.max((fontSize - boxHeight) / 2, 0); + const xBoxLeft = rtlHelper.leftForLtr(x, boxWidth); + const borderRadius = toTRBLCorners(legendItem.borderRadius); + ctx.beginPath(); + if (Object.values(borderRadius).some((v) => v !== 0)) { + addRoundedRectPath(ctx, { + x: xBoxLeft, + y: yBoxTop, + w: boxWidth, + h: boxHeight, + radius: borderRadius + }); + } else { + ctx.rect(xBoxLeft, yBoxTop, boxWidth, boxHeight); + } + ctx.fill(); + if (lineWidth !== 0) { + ctx.stroke(); + } + } + ctx.restore(); + }; + const fillText = function(x, y, legendItem) { + renderText(ctx, legendItem.text, x, y + itemHeight / 2, labelFont, { + strikethrough: legendItem.hidden, + textAlign: rtlHelper.textAlign(legendItem.textAlign) + }); + }; + const isHorizontal = this.isHorizontal(); + const titleHeight = this._computeTitleHeight(); + if (isHorizontal) { + cursor = { + x: _alignStartEnd(align, this.left + padding, this.right - lineWidths[0]), + y: this.top + padding + titleHeight, + line: 0 + }; + } else { + cursor = { + x: this.left + padding, + y: _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[0].height), + line: 0 + }; + } + overrideTextDirection(this.ctx, opts.textDirection); + const lineHeight = itemHeight + padding; + this.legendItems.forEach((legendItem, i) => { + ctx.strokeStyle = legendItem.fontColor; + ctx.fillStyle = legendItem.fontColor; + const textWidth = ctx.measureText(legendItem.text).width; + const textAlign = rtlHelper.textAlign(legendItem.textAlign || (legendItem.textAlign = labelOpts.textAlign)); + const width = boxWidth + halfFontSize + textWidth; + let x = cursor.x; + let y = cursor.y; + rtlHelper.setWidth(this.width); + if (isHorizontal) { + if (i > 0 && x + width + padding > this.right) { + y = cursor.y += lineHeight; + cursor.line++; + x = cursor.x = _alignStartEnd(align, this.left + padding, this.right - lineWidths[cursor.line]); + } + } else if (i > 0 && y + lineHeight > this.bottom) { + x = cursor.x = x + columnSizes[cursor.line].width + padding; + cursor.line++; + y = cursor.y = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[cursor.line].height); + } + const realX = rtlHelper.x(x); + drawLegendBox(realX, y, legendItem); + x = _textX(textAlign, x + boxWidth + halfFontSize, isHorizontal ? x + width : this.right, opts.rtl); + fillText(rtlHelper.x(x), y, legendItem); + if (isHorizontal) { + cursor.x += width + padding; + } else if (typeof legendItem.text !== "string") { + const fontLineHeight = labelFont.lineHeight; + cursor.y += calculateLegendItemHeight(legendItem, fontLineHeight); + } else { + cursor.y += lineHeight; + } + }); + restoreTextDirection(this.ctx, opts.textDirection); + } + drawTitle() { + const opts = this.options; + const titleOpts = opts.title; + const titleFont = toFont(titleOpts.font); + const titlePadding = toPadding(titleOpts.padding); + if (!titleOpts.display) { + return; + } + const rtlHelper = getRtlAdapter(opts.rtl, this.left, this.width); + const ctx = this.ctx; + const position = titleOpts.position; + const halfFontSize = titleFont.size / 2; + const topPaddingPlusHalfFontSize = titlePadding.top + halfFontSize; + let y; + let left = this.left; + let maxWidth = this.width; + if (this.isHorizontal()) { + maxWidth = Math.max(...this.lineWidths); + y = this.top + topPaddingPlusHalfFontSize; + left = _alignStartEnd(opts.align, left, this.right - maxWidth); + } else { + const maxHeight = this.columnSizes.reduce((acc, size) => Math.max(acc, size.height), 0); + y = topPaddingPlusHalfFontSize + _alignStartEnd(opts.align, this.top, this.bottom - maxHeight - opts.labels.padding - this._computeTitleHeight()); + } + const x = _alignStartEnd(position, left, left + maxWidth); + ctx.textAlign = rtlHelper.textAlign(_toLeftRightCenter(position)); + ctx.textBaseline = "middle"; + ctx.strokeStyle = titleOpts.color; + ctx.fillStyle = titleOpts.color; + ctx.font = titleFont.string; + renderText(ctx, titleOpts.text, x, y, titleFont); + } + _computeTitleHeight() { + const titleOpts = this.options.title; + const titleFont = toFont(titleOpts.font); + const titlePadding = toPadding(titleOpts.padding); + return titleOpts.display ? titleFont.lineHeight + titlePadding.height : 0; + } + _getLegendItemAt(x, y) { + let i, hitBox, lh; + if (_isBetween(x, this.left, this.right) && _isBetween(y, this.top, this.bottom)) { + lh = this.legendHitBoxes; + for (i = 0; i < lh.length; ++i) { + hitBox = lh[i]; + if (_isBetween(x, hitBox.left, hitBox.left + hitBox.width) && _isBetween(y, hitBox.top, hitBox.top + hitBox.height)) { + return this.legendItems[i]; + } + } + } + return null; + } + handleEvent(e) { + const opts = this.options; + if (!isListened(e.type, opts)) { + return; + } + const hoveredItem = this._getLegendItemAt(e.x, e.y); + if (e.type === "mousemove" || e.type === "mouseout") { + const previous = this._hoveredItem; + const sameItem = itemsEqual(previous, hoveredItem); + if (previous && !sameItem) { + callback(opts.onLeave, [ + e, + previous, + this + ], this); + } + this._hoveredItem = hoveredItem; + if (hoveredItem && !sameItem) { + callback(opts.onHover, [ + e, + hoveredItem, + this + ], this); + } + } else if (hoveredItem) { + callback(opts.onClick, [ + e, + hoveredItem, + this + ], this); + } + } +}; +function calculateItemSize(boxWidth, labelFont, ctx, legendItem, _itemHeight) { + const itemWidth = calculateItemWidth(legendItem, boxWidth, labelFont, ctx); + const itemHeight = calculateItemHeight(_itemHeight, legendItem, labelFont.lineHeight); + return { + itemWidth, + itemHeight + }; +} +function calculateItemWidth(legendItem, boxWidth, labelFont, ctx) { + let legendItemText = legendItem.text; + if (legendItemText && typeof legendItemText !== "string") { + legendItemText = legendItemText.reduce((a, b) => a.length > b.length ? a : b); + } + return boxWidth + labelFont.size / 2 + ctx.measureText(legendItemText).width; +} +function calculateItemHeight(_itemHeight, legendItem, fontLineHeight) { + let itemHeight = _itemHeight; + if (typeof legendItem.text !== "string") { + itemHeight = calculateLegendItemHeight(legendItem, fontLineHeight); + } + return itemHeight; +} +function calculateLegendItemHeight(legendItem, fontLineHeight) { + const labelHeight = legendItem.text ? legendItem.text.length + 0.5 : 0; + return fontLineHeight * labelHeight; +} +function isListened(type, opts) { + if ((type === "mousemove" || type === "mouseout") && (opts.onHover || opts.onLeave)) { + return true; + } + if (opts.onClick && (type === "click" || type === "mouseup")) { + return true; + } + return false; +} +var plugin_legend = { + id: "legend", + _element: Legend, + start(chart, _args, options) { + const legend = chart.legend = new Legend({ + ctx: chart.ctx, + options, + chart + }); + layouts.configure(chart, legend, options); + layouts.addBox(chart, legend); + }, + stop(chart) { + layouts.removeBox(chart, chart.legend); + delete chart.legend; + }, + beforeUpdate(chart, _args, options) { + const legend = chart.legend; + layouts.configure(chart, legend, options); + legend.options = options; + }, + afterUpdate(chart) { + const legend = chart.legend; + legend.buildLabels(); + legend.adjustHitBoxes(); + }, + afterEvent(chart, args) { + if (!args.replay) { + chart.legend.handleEvent(args.event); + } + }, + defaults: { + display: true, + position: "top", + align: "center", + fullSize: true, + reverse: false, + weight: 1e3, + onClick(e, legendItem, legend) { + const index2 = legendItem.datasetIndex; + const ci = legend.chart; + if (ci.isDatasetVisible(index2)) { + ci.hide(index2); + legendItem.hidden = true; + } else { + ci.show(index2); + legendItem.hidden = false; + } + }, + onHover: null, + onLeave: null, + labels: { + color: (ctx) => ctx.chart.options.color, + boxWidth: 40, + padding: 10, + generateLabels(chart) { + const datasets = chart.data.datasets; + const { labels: { usePointStyle, pointStyle, textAlign, color: color2, useBorderRadius, borderRadius } } = chart.legend.options; + return chart._getSortedDatasetMetas().map((meta) => { + const style = meta.controller.getStyle(usePointStyle ? 0 : void 0); + const borderWidth = toPadding(style.borderWidth); + return { + text: datasets[meta.index].label, + fillStyle: style.backgroundColor, + fontColor: color2, + hidden: !meta.visible, + lineCap: style.borderCapStyle, + lineDash: style.borderDash, + lineDashOffset: style.borderDashOffset, + lineJoin: style.borderJoinStyle, + lineWidth: (borderWidth.width + borderWidth.height) / 4, + strokeStyle: style.borderColor, + pointStyle: pointStyle || style.pointStyle, + rotation: style.rotation, + textAlign: textAlign || style.textAlign, + borderRadius: useBorderRadius && (borderRadius || style.borderRadius), + datasetIndex: meta.index + }; + }, this); + } + }, + title: { + color: (ctx) => ctx.chart.options.color, + display: false, + position: "center", + text: "" + } + }, + descriptors: { + _scriptable: (name) => !name.startsWith("on"), + labels: { + _scriptable: (name) => ![ + "generateLabels", + "filter", + "sort" + ].includes(name) + } + } +}; +var Title = class extends Element { + constructor(config) { + super(); + this.chart = config.chart; + this.options = config.options; + this.ctx = config.ctx; + this._padding = void 0; + this.top = void 0; + this.bottom = void 0; + this.left = void 0; + this.right = void 0; + this.width = void 0; + this.height = void 0; + this.position = void 0; + this.weight = void 0; + this.fullSize = void 0; + } + update(maxWidth, maxHeight) { + const opts = this.options; + this.left = 0; + this.top = 0; + if (!opts.display) { + this.width = this.height = this.right = this.bottom = 0; + return; + } + this.width = this.right = maxWidth; + this.height = this.bottom = maxHeight; + const lineCount = isArray(opts.text) ? opts.text.length : 1; + this._padding = toPadding(opts.padding); + const textSize = lineCount * toFont(opts.font).lineHeight + this._padding.height; + if (this.isHorizontal()) { + this.height = textSize; + } else { + this.width = textSize; + } + } + isHorizontal() { + const pos = this.options.position; + return pos === "top" || pos === "bottom"; + } + _drawArgs(offset) { + const { top, left, bottom, right, options } = this; + const align = options.align; + let rotation = 0; + let maxWidth, titleX, titleY; + if (this.isHorizontal()) { + titleX = _alignStartEnd(align, left, right); + titleY = top + offset; + maxWidth = right - left; + } else { + if (options.position === "left") { + titleX = left + offset; + titleY = _alignStartEnd(align, bottom, top); + rotation = PI * -0.5; + } else { + titleX = right - offset; + titleY = _alignStartEnd(align, top, bottom); + rotation = PI * 0.5; + } + maxWidth = bottom - top; + } + return { + titleX, + titleY, + maxWidth, + rotation + }; + } + draw() { + const ctx = this.ctx; + const opts = this.options; + if (!opts.display) { + return; + } + const fontOpts = toFont(opts.font); + const lineHeight = fontOpts.lineHeight; + const offset = lineHeight / 2 + this._padding.top; + const { titleX, titleY, maxWidth, rotation } = this._drawArgs(offset); + renderText(ctx, opts.text, 0, 0, fontOpts, { + color: opts.color, + maxWidth, + rotation, + textAlign: _toLeftRightCenter(opts.align), + textBaseline: "middle", + translation: [ + titleX, + titleY + ] + }); + } +}; +function createTitle(chart, titleOpts) { + const title = new Title({ + ctx: chart.ctx, + options: titleOpts, + chart + }); + layouts.configure(chart, title, titleOpts); + layouts.addBox(chart, title); + chart.titleBlock = title; +} +var plugin_title = { + id: "title", + _element: Title, + start(chart, _args, options) { + createTitle(chart, options); + }, + stop(chart) { + const titleBlock = chart.titleBlock; + layouts.removeBox(chart, titleBlock); + delete chart.titleBlock; + }, + beforeUpdate(chart, _args, options) { + const title = chart.titleBlock; + layouts.configure(chart, title, options); + title.options = options; + }, + defaults: { + align: "center", + display: false, + font: { + weight: "bold" + }, + fullSize: true, + padding: 10, + position: "top", + text: "", + weight: 2e3 + }, + defaultRoutes: { + color: "color" + }, + descriptors: { + _scriptable: true, + _indexable: false + } +}; +var map2 = /* @__PURE__ */ new WeakMap(); +var plugin_subtitle = { + id: "subtitle", + start(chart, _args, options) { + const title = new Title({ + ctx: chart.ctx, + options, + chart + }); + layouts.configure(chart, title, options); + layouts.addBox(chart, title); + map2.set(chart, title); + }, + stop(chart) { + layouts.removeBox(chart, map2.get(chart)); + map2.delete(chart); + }, + beforeUpdate(chart, _args, options) { + const title = map2.get(chart); + layouts.configure(chart, title, options); + title.options = options; + }, + defaults: { + align: "center", + display: false, + font: { + weight: "normal" + }, + fullSize: true, + padding: 0, + position: "top", + text: "", + weight: 1500 + }, + defaultRoutes: { + color: "color" + }, + descriptors: { + _scriptable: true, + _indexable: false + } +}; +var positioners = { + average(items) { + if (!items.length) { + return false; + } + let i, len; + let x = 0; + let y = 0; + let count = 0; + for (i = 0, len = items.length; i < len; ++i) { + const el = items[i].element; + if (el && el.hasValue()) { + const pos = el.tooltipPosition(); + x += pos.x; + y += pos.y; + ++count; + } + } + return { + x: x / count, + y: y / count + }; + }, + nearest(items, eventPosition) { + if (!items.length) { + return false; + } + let x = eventPosition.x; + let y = eventPosition.y; + let minDistance = Number.POSITIVE_INFINITY; + let i, len, nearestElement; + for (i = 0, len = items.length; i < len; ++i) { + const el = items[i].element; + if (el && el.hasValue()) { + const center = el.getCenterPoint(); + const d = distanceBetweenPoints(eventPosition, center); + if (d < minDistance) { + minDistance = d; + nearestElement = el; + } + } + } + if (nearestElement) { + const tp = nearestElement.tooltipPosition(); + x = tp.x; + y = tp.y; + } + return { + x, + y + }; + } +}; +function pushOrConcat(base, toPush) { + if (toPush) { + if (isArray(toPush)) { + Array.prototype.push.apply(base, toPush); + } else { + base.push(toPush); + } + } + return base; +} +function splitNewlines(str) { + if ((typeof str === "string" || str instanceof String) && str.indexOf("\n") > -1) { + return str.split("\n"); + } + return str; +} +function createTooltipItem(chart, item) { + const { element, datasetIndex, index: index2 } = item; + const controller = chart.getDatasetMeta(datasetIndex).controller; + const { label, value } = controller.getLabelAndValue(index2); + return { + chart, + label, + parsed: controller.getParsed(index2), + raw: chart.data.datasets[datasetIndex].data[index2], + formattedValue: value, + dataset: controller.getDataset(), + dataIndex: index2, + datasetIndex, + element + }; +} +function getTooltipSize(tooltip, options) { + const ctx = tooltip.chart.ctx; + const { body, footer, title } = tooltip; + const { boxWidth, boxHeight } = options; + const bodyFont = toFont(options.bodyFont); + const titleFont = toFont(options.titleFont); + const footerFont = toFont(options.footerFont); + const titleLineCount = title.length; + const footerLineCount = footer.length; + const bodyLineItemCount = body.length; + const padding = toPadding(options.padding); + let height = padding.height; + let width = 0; + let combinedBodyLength = body.reduce((count, bodyItem) => count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length, 0); + combinedBodyLength += tooltip.beforeBody.length + tooltip.afterBody.length; + if (titleLineCount) { + height += titleLineCount * titleFont.lineHeight + (titleLineCount - 1) * options.titleSpacing + options.titleMarginBottom; + } + if (combinedBodyLength) { + const bodyLineHeight = options.displayColors ? Math.max(boxHeight, bodyFont.lineHeight) : bodyFont.lineHeight; + height += bodyLineItemCount * bodyLineHeight + (combinedBodyLength - bodyLineItemCount) * bodyFont.lineHeight + (combinedBodyLength - 1) * options.bodySpacing; + } + if (footerLineCount) { + height += options.footerMarginTop + footerLineCount * footerFont.lineHeight + (footerLineCount - 1) * options.footerSpacing; + } + let widthPadding = 0; + const maxLineWidth = function(line) { + width = Math.max(width, ctx.measureText(line).width + widthPadding); + }; + ctx.save(); + ctx.font = titleFont.string; + each(tooltip.title, maxLineWidth); + ctx.font = bodyFont.string; + each(tooltip.beforeBody.concat(tooltip.afterBody), maxLineWidth); + widthPadding = options.displayColors ? boxWidth + 2 + options.boxPadding : 0; + each(body, (bodyItem) => { + each(bodyItem.before, maxLineWidth); + each(bodyItem.lines, maxLineWidth); + each(bodyItem.after, maxLineWidth); + }); + widthPadding = 0; + ctx.font = footerFont.string; + each(tooltip.footer, maxLineWidth); + ctx.restore(); + width += padding.width; + return { + width, + height + }; +} +function determineYAlign(chart, size) { + const { y, height } = size; + if (y < height / 2) { + return "top"; + } else if (y > chart.height - height / 2) { + return "bottom"; + } + return "center"; +} +function doesNotFitWithAlign(xAlign, chart, options, size) { + const { x, width } = size; + const caret = options.caretSize + options.caretPadding; + if (xAlign === "left" && x + width + caret > chart.width) { + return true; + } + if (xAlign === "right" && x - width - caret < 0) { + return true; + } +} +function determineXAlign(chart, options, size, yAlign) { + const { x, width } = size; + const { width: chartWidth, chartArea: { left, right } } = chart; + let xAlign = "center"; + if (yAlign === "center") { + xAlign = x <= (left + right) / 2 ? "left" : "right"; + } else if (x <= width / 2) { + xAlign = "left"; + } else if (x >= chartWidth - width / 2) { + xAlign = "right"; + } + if (doesNotFitWithAlign(xAlign, chart, options, size)) { + xAlign = "center"; + } + return xAlign; +} +function determineAlignment(chart, options, size) { + const yAlign = size.yAlign || options.yAlign || determineYAlign(chart, size); + return { + xAlign: size.xAlign || options.xAlign || determineXAlign(chart, options, size, yAlign), + yAlign + }; +} +function alignX(size, xAlign) { + let { x, width } = size; + if (xAlign === "right") { + x -= width; + } else if (xAlign === "center") { + x -= width / 2; + } + return x; +} +function alignY(size, yAlign, paddingAndSize) { + let { y, height } = size; + if (yAlign === "top") { + y += paddingAndSize; + } else if (yAlign === "bottom") { + y -= height + paddingAndSize; + } else { + y -= height / 2; + } + return y; +} +function getBackgroundPoint(options, size, alignment, chart) { + const { caretSize, caretPadding, cornerRadius } = options; + const { xAlign, yAlign } = alignment; + const paddingAndSize = caretSize + caretPadding; + const { topLeft, topRight, bottomLeft, bottomRight } = toTRBLCorners(cornerRadius); + let x = alignX(size, xAlign); + const y = alignY(size, yAlign, paddingAndSize); + if (yAlign === "center") { + if (xAlign === "left") { + x += paddingAndSize; + } else if (xAlign === "right") { + x -= paddingAndSize; + } + } else if (xAlign === "left") { + x -= Math.max(topLeft, bottomLeft) + caretSize; + } else if (xAlign === "right") { + x += Math.max(topRight, bottomRight) + caretSize; + } + return { + x: _limitValue(x, 0, chart.width - size.width), + y: _limitValue(y, 0, chart.height - size.height) + }; +} +function getAlignedX(tooltip, align, options) { + const padding = toPadding(options.padding); + return align === "center" ? tooltip.x + tooltip.width / 2 : align === "right" ? tooltip.x + tooltip.width - padding.right : tooltip.x + padding.left; +} +function getBeforeAfterBodyLines(callback2) { + return pushOrConcat([], splitNewlines(callback2)); +} +function createTooltipContext(parent, tooltip, tooltipItems) { + return createContext(parent, { + tooltip, + tooltipItems, + type: "tooltip" + }); +} +function overrideCallbacks(callbacks, context) { + const override = context && context.dataset && context.dataset.tooltip && context.dataset.tooltip.callbacks; + return override ? callbacks.override(override) : callbacks; +} +var defaultCallbacks = { + beforeTitle: noop, + title(tooltipItems) { + if (tooltipItems.length > 0) { + const item = tooltipItems[0]; + const labels = item.chart.data.labels; + const labelCount = labels ? labels.length : 0; + if (this && this.options && this.options.mode === "dataset") { + return item.dataset.label || ""; + } else if (item.label) { + return item.label; + } else if (labelCount > 0 && item.dataIndex < labelCount) { + return labels[item.dataIndex]; + } + } + return ""; + }, + afterTitle: noop, + beforeBody: noop, + beforeLabel: noop, + label(tooltipItem) { + if (this && this.options && this.options.mode === "dataset") { + return tooltipItem.label + ": " + tooltipItem.formattedValue || tooltipItem.formattedValue; + } + let label = tooltipItem.dataset.label || ""; + if (label) { + label += ": "; + } + const value = tooltipItem.formattedValue; + if (!isNullOrUndef(value)) { + label += value; + } + return label; + }, + labelColor(tooltipItem) { + const meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex); + const options = meta.controller.getStyle(tooltipItem.dataIndex); + return { + borderColor: options.borderColor, + backgroundColor: options.backgroundColor, + borderWidth: options.borderWidth, + borderDash: options.borderDash, + borderDashOffset: options.borderDashOffset, + borderRadius: 0 + }; + }, + labelTextColor() { + return this.options.bodyColor; + }, + labelPointStyle(tooltipItem) { + const meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex); + const options = meta.controller.getStyle(tooltipItem.dataIndex); + return { + pointStyle: options.pointStyle, + rotation: options.rotation + }; + }, + afterLabel: noop, + afterBody: noop, + beforeFooter: noop, + footer: noop, + afterFooter: noop +}; +function invokeCallbackWithFallback(callbacks, name, ctx, arg) { + const result = callbacks[name].call(ctx, arg); + if (typeof result === "undefined") { + return defaultCallbacks[name].call(ctx, arg); + } + return result; +} +var Tooltip = class extends Element { + constructor(config) { + super(); + this.opacity = 0; + this._active = []; + this._eventPosition = void 0; + this._size = void 0; + this._cachedAnimations = void 0; + this._tooltipItems = []; + this.$animations = void 0; + this.$context = void 0; + this.chart = config.chart; + this.options = config.options; + this.dataPoints = void 0; + this.title = void 0; + this.beforeBody = void 0; + this.body = void 0; + this.afterBody = void 0; + this.footer = void 0; + this.xAlign = void 0; + this.yAlign = void 0; + this.x = void 0; + this.y = void 0; + this.height = void 0; + this.width = void 0; + this.caretX = void 0; + this.caretY = void 0; + this.labelColors = void 0; + this.labelPointStyles = void 0; + this.labelTextColors = void 0; + } + initialize(options) { + this.options = options; + this._cachedAnimations = void 0; + this.$context = void 0; + } + _resolveAnimations() { + const cached = this._cachedAnimations; + if (cached) { + return cached; + } + const chart = this.chart; + const options = this.options.setContext(this.getContext()); + const opts = options.enabled && chart.options.animation && options.animations; + const animations = new Animations(this.chart, opts); + if (opts._cacheable) { + this._cachedAnimations = Object.freeze(animations); + } + return animations; + } + getContext() { + return this.$context || (this.$context = createTooltipContext(this.chart.getContext(), this, this._tooltipItems)); + } + getTitle(context, options) { + const { callbacks } = options; + const beforeTitle = invokeCallbackWithFallback(callbacks, "beforeTitle", this, context); + const title = invokeCallbackWithFallback(callbacks, "title", this, context); + const afterTitle = invokeCallbackWithFallback(callbacks, "afterTitle", this, context); + let lines = []; + lines = pushOrConcat(lines, splitNewlines(beforeTitle)); + lines = pushOrConcat(lines, splitNewlines(title)); + lines = pushOrConcat(lines, splitNewlines(afterTitle)); + return lines; + } + getBeforeBody(tooltipItems, options) { + return getBeforeAfterBodyLines(invokeCallbackWithFallback(options.callbacks, "beforeBody", this, tooltipItems)); + } + getBody(tooltipItems, options) { + const { callbacks } = options; + const bodyItems = []; + each(tooltipItems, (context) => { + const bodyItem = { + before: [], + lines: [], + after: [] + }; + const scoped = overrideCallbacks(callbacks, context); + pushOrConcat(bodyItem.before, splitNewlines(invokeCallbackWithFallback(scoped, "beforeLabel", this, context))); + pushOrConcat(bodyItem.lines, invokeCallbackWithFallback(scoped, "label", this, context)); + pushOrConcat(bodyItem.after, splitNewlines(invokeCallbackWithFallback(scoped, "afterLabel", this, context))); + bodyItems.push(bodyItem); + }); + return bodyItems; + } + getAfterBody(tooltipItems, options) { + return getBeforeAfterBodyLines(invokeCallbackWithFallback(options.callbacks, "afterBody", this, tooltipItems)); + } + getFooter(tooltipItems, options) { + const { callbacks } = options; + const beforeFooter = invokeCallbackWithFallback(callbacks, "beforeFooter", this, tooltipItems); + const footer = invokeCallbackWithFallback(callbacks, "footer", this, tooltipItems); + const afterFooter = invokeCallbackWithFallback(callbacks, "afterFooter", this, tooltipItems); + let lines = []; + lines = pushOrConcat(lines, splitNewlines(beforeFooter)); + lines = pushOrConcat(lines, splitNewlines(footer)); + lines = pushOrConcat(lines, splitNewlines(afterFooter)); + return lines; + } + _createItems(options) { + const active = this._active; + const data2 = this.chart.data; + const labelColors = []; + const labelPointStyles = []; + const labelTextColors = []; + let tooltipItems = []; + let i, len; + for (i = 0, len = active.length; i < len; ++i) { + tooltipItems.push(createTooltipItem(this.chart, active[i])); + } + if (options.filter) { + tooltipItems = tooltipItems.filter((element, index2, array) => options.filter(element, index2, array, data2)); + } + if (options.itemSort) { + tooltipItems = tooltipItems.sort((a, b) => options.itemSort(a, b, data2)); + } + each(tooltipItems, (context) => { + const scoped = overrideCallbacks(options.callbacks, context); + labelColors.push(invokeCallbackWithFallback(scoped, "labelColor", this, context)); + labelPointStyles.push(invokeCallbackWithFallback(scoped, "labelPointStyle", this, context)); + labelTextColors.push(invokeCallbackWithFallback(scoped, "labelTextColor", this, context)); + }); + this.labelColors = labelColors; + this.labelPointStyles = labelPointStyles; + this.labelTextColors = labelTextColors; + this.dataPoints = tooltipItems; + return tooltipItems; + } + update(changed, replay) { + const options = this.options.setContext(this.getContext()); + const active = this._active; + let properties; + let tooltipItems = []; + if (!active.length) { + if (this.opacity !== 0) { + properties = { + opacity: 0 + }; + } + } else { + const position = positioners[options.position].call(this, active, this._eventPosition); + tooltipItems = this._createItems(options); + this.title = this.getTitle(tooltipItems, options); + this.beforeBody = this.getBeforeBody(tooltipItems, options); + this.body = this.getBody(tooltipItems, options); + this.afterBody = this.getAfterBody(tooltipItems, options); + this.footer = this.getFooter(tooltipItems, options); + const size = this._size = getTooltipSize(this, options); + const positionAndSize = Object.assign({}, position, size); + const alignment = determineAlignment(this.chart, options, positionAndSize); + const backgroundPoint = getBackgroundPoint(options, positionAndSize, alignment, this.chart); + this.xAlign = alignment.xAlign; + this.yAlign = alignment.yAlign; + properties = { + opacity: 1, + x: backgroundPoint.x, + y: backgroundPoint.y, + width: size.width, + height: size.height, + caretX: position.x, + caretY: position.y + }; + } + this._tooltipItems = tooltipItems; + this.$context = void 0; + if (properties) { + this._resolveAnimations().update(this, properties); + } + if (changed && options.external) { + options.external.call(this, { + chart: this.chart, + tooltip: this, + replay + }); + } + } + drawCaret(tooltipPoint, ctx, size, options) { + const caretPosition = this.getCaretPosition(tooltipPoint, size, options); + ctx.lineTo(caretPosition.x1, caretPosition.y1); + ctx.lineTo(caretPosition.x2, caretPosition.y2); + ctx.lineTo(caretPosition.x3, caretPosition.y3); + } + getCaretPosition(tooltipPoint, size, options) { + const { xAlign, yAlign } = this; + const { caretSize, cornerRadius } = options; + const { topLeft, topRight, bottomLeft, bottomRight } = toTRBLCorners(cornerRadius); + const { x: ptX, y: ptY } = tooltipPoint; + const { width, height } = size; + let x1, x2, x3, y1, y2, y3; + if (yAlign === "center") { + y2 = ptY + height / 2; + if (xAlign === "left") { + x1 = ptX; + x2 = x1 - caretSize; + y1 = y2 + caretSize; + y3 = y2 - caretSize; + } else { + x1 = ptX + width; + x2 = x1 + caretSize; + y1 = y2 - caretSize; + y3 = y2 + caretSize; + } + x3 = x1; + } else { + if (xAlign === "left") { + x2 = ptX + Math.max(topLeft, bottomLeft) + caretSize; + } else if (xAlign === "right") { + x2 = ptX + width - Math.max(topRight, bottomRight) - caretSize; + } else { + x2 = this.caretX; + } + if (yAlign === "top") { + y1 = ptY; + y2 = y1 - caretSize; + x1 = x2 - caretSize; + x3 = x2 + caretSize; + } else { + y1 = ptY + height; + y2 = y1 + caretSize; + x1 = x2 + caretSize; + x3 = x2 - caretSize; + } + y3 = y1; + } + return { + x1, + x2, + x3, + y1, + y2, + y3 + }; + } + drawTitle(pt, ctx, options) { + const title = this.title; + const length = title.length; + let titleFont, titleSpacing, i; + if (length) { + const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width); + pt.x = getAlignedX(this, options.titleAlign, options); + ctx.textAlign = rtlHelper.textAlign(options.titleAlign); + ctx.textBaseline = "middle"; + titleFont = toFont(options.titleFont); + titleSpacing = options.titleSpacing; + ctx.fillStyle = options.titleColor; + ctx.font = titleFont.string; + for (i = 0; i < length; ++i) { + ctx.fillText(title[i], rtlHelper.x(pt.x), pt.y + titleFont.lineHeight / 2); + pt.y += titleFont.lineHeight + titleSpacing; + if (i + 1 === length) { + pt.y += options.titleMarginBottom - titleSpacing; + } + } + } + } + _drawColorBox(ctx, pt, i, rtlHelper, options) { + const labelColor = this.labelColors[i]; + const labelPointStyle = this.labelPointStyles[i]; + const { boxHeight, boxWidth } = options; + const bodyFont = toFont(options.bodyFont); + const colorX = getAlignedX(this, "left", options); + const rtlColorX = rtlHelper.x(colorX); + const yOffSet = boxHeight < bodyFont.lineHeight ? (bodyFont.lineHeight - boxHeight) / 2 : 0; + const colorY = pt.y + yOffSet; + if (options.usePointStyle) { + const drawOptions = { + radius: Math.min(boxWidth, boxHeight) / 2, + pointStyle: labelPointStyle.pointStyle, + rotation: labelPointStyle.rotation, + borderWidth: 1 + }; + const centerX = rtlHelper.leftForLtr(rtlColorX, boxWidth) + boxWidth / 2; + const centerY = colorY + boxHeight / 2; + ctx.strokeStyle = options.multiKeyBackground; + ctx.fillStyle = options.multiKeyBackground; + drawPoint(ctx, drawOptions, centerX, centerY); + ctx.strokeStyle = labelColor.borderColor; + ctx.fillStyle = labelColor.backgroundColor; + drawPoint(ctx, drawOptions, centerX, centerY); + } else { + ctx.lineWidth = isObject(labelColor.borderWidth) ? Math.max(...Object.values(labelColor.borderWidth)) : labelColor.borderWidth || 1; + ctx.strokeStyle = labelColor.borderColor; + ctx.setLineDash(labelColor.borderDash || []); + ctx.lineDashOffset = labelColor.borderDashOffset || 0; + const outerX = rtlHelper.leftForLtr(rtlColorX, boxWidth); + const innerX = rtlHelper.leftForLtr(rtlHelper.xPlus(rtlColorX, 1), boxWidth - 2); + const borderRadius = toTRBLCorners(labelColor.borderRadius); + if (Object.values(borderRadius).some((v) => v !== 0)) { + ctx.beginPath(); + ctx.fillStyle = options.multiKeyBackground; + addRoundedRectPath(ctx, { + x: outerX, + y: colorY, + w: boxWidth, + h: boxHeight, + radius: borderRadius + }); + ctx.fill(); + ctx.stroke(); + ctx.fillStyle = labelColor.backgroundColor; + ctx.beginPath(); + addRoundedRectPath(ctx, { + x: innerX, + y: colorY + 1, + w: boxWidth - 2, + h: boxHeight - 2, + radius: borderRadius + }); + ctx.fill(); + } else { + ctx.fillStyle = options.multiKeyBackground; + ctx.fillRect(outerX, colorY, boxWidth, boxHeight); + ctx.strokeRect(outerX, colorY, boxWidth, boxHeight); + ctx.fillStyle = labelColor.backgroundColor; + ctx.fillRect(innerX, colorY + 1, boxWidth - 2, boxHeight - 2); + } + } + ctx.fillStyle = this.labelTextColors[i]; + } + drawBody(pt, ctx, options) { + const { body } = this; + const { bodySpacing, bodyAlign, displayColors, boxHeight, boxWidth, boxPadding } = options; + const bodyFont = toFont(options.bodyFont); + let bodyLineHeight = bodyFont.lineHeight; + let xLinePadding = 0; + const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width); + const fillLineOfText = function(line) { + ctx.fillText(line, rtlHelper.x(pt.x + xLinePadding), pt.y + bodyLineHeight / 2); + pt.y += bodyLineHeight + bodySpacing; + }; + const bodyAlignForCalculation = rtlHelper.textAlign(bodyAlign); + let bodyItem, textColor, lines, i, j, ilen, jlen; + ctx.textAlign = bodyAlign; + ctx.textBaseline = "middle"; + ctx.font = bodyFont.string; + pt.x = getAlignedX(this, bodyAlignForCalculation, options); + ctx.fillStyle = options.bodyColor; + each(this.beforeBody, fillLineOfText); + xLinePadding = displayColors && bodyAlignForCalculation !== "right" ? bodyAlign === "center" ? boxWidth / 2 + boxPadding : boxWidth + 2 + boxPadding : 0; + for (i = 0, ilen = body.length; i < ilen; ++i) { + bodyItem = body[i]; + textColor = this.labelTextColors[i]; + ctx.fillStyle = textColor; + each(bodyItem.before, fillLineOfText); + lines = bodyItem.lines; + if (displayColors && lines.length) { + this._drawColorBox(ctx, pt, i, rtlHelper, options); + bodyLineHeight = Math.max(bodyFont.lineHeight, boxHeight); + } + for (j = 0, jlen = lines.length; j < jlen; ++j) { + fillLineOfText(lines[j]); + bodyLineHeight = bodyFont.lineHeight; + } + each(bodyItem.after, fillLineOfText); + } + xLinePadding = 0; + bodyLineHeight = bodyFont.lineHeight; + each(this.afterBody, fillLineOfText); + pt.y -= bodySpacing; + } + drawFooter(pt, ctx, options) { + const footer = this.footer; + const length = footer.length; + let footerFont, i; + if (length) { + const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width); + pt.x = getAlignedX(this, options.footerAlign, options); + pt.y += options.footerMarginTop; + ctx.textAlign = rtlHelper.textAlign(options.footerAlign); + ctx.textBaseline = "middle"; + footerFont = toFont(options.footerFont); + ctx.fillStyle = options.footerColor; + ctx.font = footerFont.string; + for (i = 0; i < length; ++i) { + ctx.fillText(footer[i], rtlHelper.x(pt.x), pt.y + footerFont.lineHeight / 2); + pt.y += footerFont.lineHeight + options.footerSpacing; + } + } + } + drawBackground(pt, ctx, tooltipSize, options) { + const { xAlign, yAlign } = this; + const { x, y } = pt; + const { width, height } = tooltipSize; + const { topLeft, topRight, bottomLeft, bottomRight } = toTRBLCorners(options.cornerRadius); + ctx.fillStyle = options.backgroundColor; + ctx.strokeStyle = options.borderColor; + ctx.lineWidth = options.borderWidth; + ctx.beginPath(); + ctx.moveTo(x + topLeft, y); + if (yAlign === "top") { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x + width - topRight, y); + ctx.quadraticCurveTo(x + width, y, x + width, y + topRight); + if (yAlign === "center" && xAlign === "right") { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x + width, y + height - bottomRight); + ctx.quadraticCurveTo(x + width, y + height, x + width - bottomRight, y + height); + if (yAlign === "bottom") { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x + bottomLeft, y + height); + ctx.quadraticCurveTo(x, y + height, x, y + height - bottomLeft); + if (yAlign === "center" && xAlign === "left") { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x, y + topLeft); + ctx.quadraticCurveTo(x, y, x + topLeft, y); + ctx.closePath(); + ctx.fill(); + if (options.borderWidth > 0) { + ctx.stroke(); + } + } + _updateAnimationTarget(options) { + const chart = this.chart; + const anims = this.$animations; + const animX = anims && anims.x; + const animY = anims && anims.y; + if (animX || animY) { + const position = positioners[options.position].call(this, this._active, this._eventPosition); + if (!position) { + return; + } + const size = this._size = getTooltipSize(this, options); + const positionAndSize = Object.assign({}, position, this._size); + const alignment = determineAlignment(chart, options, positionAndSize); + const point = getBackgroundPoint(options, positionAndSize, alignment, chart); + if (animX._to !== point.x || animY._to !== point.y) { + this.xAlign = alignment.xAlign; + this.yAlign = alignment.yAlign; + this.width = size.width; + this.height = size.height; + this.caretX = position.x; + this.caretY = position.y; + this._resolveAnimations().update(this, point); + } + } + } + _willRender() { + return !!this.opacity; + } + draw(ctx) { + const options = this.options.setContext(this.getContext()); + let opacity = this.opacity; + if (!opacity) { + return; + } + this._updateAnimationTarget(options); + const tooltipSize = { + width: this.width, + height: this.height + }; + const pt = { + x: this.x, + y: this.y + }; + opacity = Math.abs(opacity) < 1e-3 ? 0 : opacity; + const padding = toPadding(options.padding); + const hasTooltipContent = this.title.length || this.beforeBody.length || this.body.length || this.afterBody.length || this.footer.length; + if (options.enabled && hasTooltipContent) { + ctx.save(); + ctx.globalAlpha = opacity; + this.drawBackground(pt, ctx, tooltipSize, options); + overrideTextDirection(ctx, options.textDirection); + pt.y += padding.top; + this.drawTitle(pt, ctx, options); + this.drawBody(pt, ctx, options); + this.drawFooter(pt, ctx, options); + restoreTextDirection(ctx, options.textDirection); + ctx.restore(); + } + } + getActiveElements() { + return this._active || []; + } + setActiveElements(activeElements, eventPosition) { + const lastActive = this._active; + const active = activeElements.map(({ datasetIndex, index: index2 }) => { + const meta = this.chart.getDatasetMeta(datasetIndex); + if (!meta) { + throw new Error("Cannot find a dataset at index " + datasetIndex); + } + return { + datasetIndex, + element: meta.data[index2], + index: index2 + }; + }); + const changed = !_elementsEqual(lastActive, active); + const positionChanged = this._positionChanged(active, eventPosition); + if (changed || positionChanged) { + this._active = active; + this._eventPosition = eventPosition; + this._ignoreReplayEvents = true; + this.update(true); + } + } + handleEvent(e, replay, inChartArea = true) { + if (replay && this._ignoreReplayEvents) { + return false; + } + this._ignoreReplayEvents = false; + const options = this.options; + const lastActive = this._active || []; + const active = this._getActiveElements(e, lastActive, replay, inChartArea); + const positionChanged = this._positionChanged(active, e); + const changed = replay || !_elementsEqual(active, lastActive) || positionChanged; + if (changed) { + this._active = active; + if (options.enabled || options.external) { + this._eventPosition = { + x: e.x, + y: e.y + }; + this.update(true, replay); + } + } + return changed; + } + _getActiveElements(e, lastActive, replay, inChartArea) { + const options = this.options; + if (e.type === "mouseout") { + return []; + } + if (!inChartArea) { + return lastActive; + } + const active = this.chart.getElementsAtEventForMode(e, options.mode, options, replay); + if (options.reverse) { + active.reverse(); + } + return active; + } + _positionChanged(active, e) { + const { caretX, caretY, options } = this; + const position = positioners[options.position].call(this, active, e); + return position !== false && (caretX !== position.x || caretY !== position.y); + } +}; +__publicField(Tooltip, "positioners", positioners); +var plugin_tooltip = { + id: "tooltip", + _element: Tooltip, + positioners, + afterInit(chart, _args, options) { + if (options) { + chart.tooltip = new Tooltip({ + chart, + options + }); + } + }, + beforeUpdate(chart, _args, options) { + if (chart.tooltip) { + chart.tooltip.initialize(options); + } + }, + reset(chart, _args, options) { + if (chart.tooltip) { + chart.tooltip.initialize(options); + } + }, + afterDraw(chart) { + const tooltip = chart.tooltip; + if (tooltip && tooltip._willRender()) { + const args = { + tooltip + }; + if (chart.notifyPlugins("beforeTooltipDraw", { + ...args, + cancelable: true + }) === false) { + return; + } + tooltip.draw(chart.ctx); + chart.notifyPlugins("afterTooltipDraw", args); + } + }, + afterEvent(chart, args) { + if (chart.tooltip) { + const useFinalPosition = args.replay; + if (chart.tooltip.handleEvent(args.event, useFinalPosition, args.inChartArea)) { + args.changed = true; + } + } + }, + defaults: { + enabled: true, + external: null, + position: "average", + backgroundColor: "rgba(0,0,0,0.8)", + titleColor: "#fff", + titleFont: { + weight: "bold" + }, + titleSpacing: 2, + titleMarginBottom: 6, + titleAlign: "left", + bodyColor: "#fff", + bodySpacing: 2, + bodyFont: {}, + bodyAlign: "left", + footerColor: "#fff", + footerSpacing: 2, + footerMarginTop: 6, + footerFont: { + weight: "bold" + }, + footerAlign: "left", + padding: 6, + caretPadding: 2, + caretSize: 5, + cornerRadius: 6, + boxHeight: (ctx, opts) => opts.bodyFont.size, + boxWidth: (ctx, opts) => opts.bodyFont.size, + multiKeyBackground: "#fff", + displayColors: true, + boxPadding: 0, + borderColor: "rgba(0,0,0,0)", + borderWidth: 0, + animation: { + duration: 400, + easing: "easeOutQuart" + }, + animations: { + numbers: { + type: "number", + properties: [ + "x", + "y", + "width", + "height", + "caretX", + "caretY" + ] + }, + opacity: { + easing: "linear", + duration: 200 + } + }, + callbacks: defaultCallbacks + }, + defaultRoutes: { + bodyFont: "font", + footerFont: "font", + titleFont: "font" + }, + descriptors: { + _scriptable: (name) => name !== "filter" && name !== "itemSort" && name !== "external", + _indexable: false, + callbacks: { + _scriptable: false, + _indexable: false + }, + animation: { + _fallback: false + }, + animations: { + _fallback: "animation" + } + }, + additionalOptionScopes: [ + "interaction" + ] +}; +var plugins = /* @__PURE__ */ Object.freeze({ + __proto__: null, + Colors: plugin_colors, + Decimation: plugin_decimation, + Filler: index, + Legend: plugin_legend, + SubTitle: plugin_subtitle, + Title: plugin_title, + Tooltip: plugin_tooltip +}); +var addIfString = (labels, raw, index2, addedLabels) => { + if (typeof raw === "string") { + index2 = labels.push(raw) - 1; + addedLabels.unshift({ + index: index2, + label: raw + }); + } else if (isNaN(raw)) { + index2 = null; + } + return index2; +}; +function findOrAddLabel(labels, raw, index2, addedLabels) { + const first = labels.indexOf(raw); + if (first === -1) { + return addIfString(labels, raw, index2, addedLabels); + } + const last = labels.lastIndexOf(raw); + return first !== last ? index2 : first; +} +var validIndex = (index2, max) => index2 === null ? null : _limitValue(Math.round(index2), 0, max); +function _getLabelForValue(value) { + const labels = this.getLabels(); + if (value >= 0 && value < labels.length) { + return labels[value]; + } + return value; +} +var CategoryScale = class extends Scale { + constructor(cfg) { + super(cfg); + this._startValue = void 0; + this._valueRange = 0; + this._addedLabels = []; + } + init(scaleOptions) { + const added = this._addedLabels; + if (added.length) { + const labels = this.getLabels(); + for (const { index: index2, label } of added) { + if (labels[index2] === label) { + labels.splice(index2, 1); + } + } + this._addedLabels = []; + } + super.init(scaleOptions); + } + parse(raw, index2) { + if (isNullOrUndef(raw)) { + return null; + } + const labels = this.getLabels(); + index2 = isFinite(index2) && labels[index2] === raw ? index2 : findOrAddLabel(labels, raw, valueOrDefault(index2, raw), this._addedLabels); + return validIndex(index2, labels.length - 1); + } + determineDataLimits() { + const { minDefined, maxDefined } = this.getUserBounds(); + let { min, max } = this.getMinMax(true); + if (this.options.bounds === "ticks") { + if (!minDefined) { + min = 0; + } + if (!maxDefined) { + max = this.getLabels().length - 1; + } + } + this.min = min; + this.max = max; + } + buildTicks() { + const min = this.min; + const max = this.max; + const offset = this.options.offset; + const ticks = []; + let labels = this.getLabels(); + labels = min === 0 && max === labels.length - 1 ? labels : labels.slice(min, max + 1); + this._valueRange = Math.max(labels.length - (offset ? 0 : 1), 1); + this._startValue = this.min - (offset ? 0.5 : 0); + for (let value = min; value <= max; value++) { + ticks.push({ + value + }); + } + return ticks; + } + getLabelForValue(value) { + return _getLabelForValue.call(this, value); + } + configure() { + super.configure(); + if (!this.isHorizontal()) { + this._reversePixels = !this._reversePixels; + } + } + getPixelForValue(value) { + if (typeof value !== "number") { + value = this.parse(value); + } + return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange); + } + getPixelForTick(index2) { + const ticks = this.ticks; + if (index2 < 0 || index2 > ticks.length - 1) { + return null; + } + return this.getPixelForValue(ticks[index2].value); + } + getValueForPixel(pixel) { + return Math.round(this._startValue + this.getDecimalForPixel(pixel) * this._valueRange); + } + getBasePixel() { + return this.bottom; + } +}; +__publicField(CategoryScale, "id", "category"); +__publicField(CategoryScale, "defaults", { + ticks: { + callback: _getLabelForValue + } +}); +function generateTicks$1(generationOptions, dataRange) { + const ticks = []; + const MIN_SPACING = 1e-14; + const { bounds, step, min, max, precision, count, maxTicks, maxDigits, includeBounds } = generationOptions; + const unit = step || 1; + const maxSpaces = maxTicks - 1; + const { min: rmin, max: rmax } = dataRange; + const minDefined = !isNullOrUndef(min); + const maxDefined = !isNullOrUndef(max); + const countDefined = !isNullOrUndef(count); + const minSpacing = (rmax - rmin) / (maxDigits + 1); + let spacing = niceNum((rmax - rmin) / maxSpaces / unit) * unit; + let factor, niceMin, niceMax, numSpaces; + if (spacing < MIN_SPACING && !minDefined && !maxDefined) { + return [ + { + value: rmin + }, + { + value: rmax + } + ]; + } + numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing); + if (numSpaces > maxSpaces) { + spacing = niceNum(numSpaces * spacing / maxSpaces / unit) * unit; + } + if (!isNullOrUndef(precision)) { + factor = Math.pow(10, precision); + spacing = Math.ceil(spacing * factor) / factor; + } + if (bounds === "ticks") { + niceMin = Math.floor(rmin / spacing) * spacing; + niceMax = Math.ceil(rmax / spacing) * spacing; + } else { + niceMin = rmin; + niceMax = rmax; + } + if (minDefined && maxDefined && step && almostWhole((max - min) / step, spacing / 1e3)) { + numSpaces = Math.round(Math.min((max - min) / spacing, maxTicks)); + spacing = (max - min) / numSpaces; + niceMin = min; + niceMax = max; + } else if (countDefined) { + niceMin = minDefined ? min : niceMin; + niceMax = maxDefined ? max : niceMax; + numSpaces = count - 1; + spacing = (niceMax - niceMin) / numSpaces; + } else { + numSpaces = (niceMax - niceMin) / spacing; + if (almostEquals(numSpaces, Math.round(numSpaces), spacing / 1e3)) { + numSpaces = Math.round(numSpaces); + } else { + numSpaces = Math.ceil(numSpaces); + } + } + const decimalPlaces = Math.max(_decimalPlaces(spacing), _decimalPlaces(niceMin)); + factor = Math.pow(10, isNullOrUndef(precision) ? decimalPlaces : precision); + niceMin = Math.round(niceMin * factor) / factor; + niceMax = Math.round(niceMax * factor) / factor; + let j = 0; + if (minDefined) { + if (includeBounds && niceMin !== min) { + ticks.push({ + value: min + }); + if (niceMin < min) { + j++; + } + if (almostEquals(Math.round((niceMin + j * spacing) * factor) / factor, min, relativeLabelSize(min, minSpacing, generationOptions))) { + j++; + } + } else if (niceMin < min) { + j++; + } + } + for (; j < numSpaces; ++j) { + const tickValue = Math.round((niceMin + j * spacing) * factor) / factor; + if (maxDefined && tickValue > max) { + break; + } + ticks.push({ + value: tickValue + }); + } + if (maxDefined && includeBounds && niceMax !== max) { + if (ticks.length && almostEquals(ticks[ticks.length - 1].value, max, relativeLabelSize(max, minSpacing, generationOptions))) { + ticks[ticks.length - 1].value = max; + } else { + ticks.push({ + value: max + }); + } + } else if (!maxDefined || niceMax === max) { + ticks.push({ + value: niceMax + }); + } + return ticks; +} +function relativeLabelSize(value, minSpacing, { horizontal, minRotation }) { + const rad = toRadians(minRotation); + const ratio = (horizontal ? Math.sin(rad) : Math.cos(rad)) || 1e-3; + const length = 0.75 * minSpacing * ("" + value).length; + return Math.min(minSpacing / ratio, length); +} +var LinearScaleBase = class extends Scale { + constructor(cfg) { + super(cfg); + this.start = void 0; + this.end = void 0; + this._startValue = void 0; + this._endValue = void 0; + this._valueRange = 0; + } + parse(raw, index2) { + if (isNullOrUndef(raw)) { + return null; + } + if ((typeof raw === "number" || raw instanceof Number) && !isFinite(+raw)) { + return null; + } + return +raw; + } + handleTickRangeOptions() { + const { beginAtZero } = this.options; + const { minDefined, maxDefined } = this.getUserBounds(); + let { min, max } = this; + const setMin = (v) => min = minDefined ? min : v; + const setMax = (v) => max = maxDefined ? max : v; + if (beginAtZero) { + const minSign = sign(min); + const maxSign = sign(max); + if (minSign < 0 && maxSign < 0) { + setMax(0); + } else if (minSign > 0 && maxSign > 0) { + setMin(0); + } + } + if (min === max) { + let offset = max === 0 ? 1 : Math.abs(max * 0.05); + setMax(max + offset); + if (!beginAtZero) { + setMin(min - offset); + } + } + this.min = min; + this.max = max; + } + getTickLimit() { + const tickOpts = this.options.ticks; + let { maxTicksLimit, stepSize } = tickOpts; + let maxTicks; + if (stepSize) { + maxTicks = Math.ceil(this.max / stepSize) - Math.floor(this.min / stepSize) + 1; + if (maxTicks > 1e3) { + console.warn(`scales.${this.id}.ticks.stepSize: ${stepSize} would result generating up to ${maxTicks} ticks. Limiting to 1000.`); + maxTicks = 1e3; + } + } else { + maxTicks = this.computeTickLimit(); + maxTicksLimit = maxTicksLimit || 11; + } + if (maxTicksLimit) { + maxTicks = Math.min(maxTicksLimit, maxTicks); + } + return maxTicks; + } + computeTickLimit() { + return Number.POSITIVE_INFINITY; + } + buildTicks() { + const opts = this.options; + const tickOpts = opts.ticks; + let maxTicks = this.getTickLimit(); + maxTicks = Math.max(2, maxTicks); + const numericGeneratorOptions = { + maxTicks, + bounds: opts.bounds, + min: opts.min, + max: opts.max, + precision: tickOpts.precision, + step: tickOpts.stepSize, + count: tickOpts.count, + maxDigits: this._maxDigits(), + horizontal: this.isHorizontal(), + minRotation: tickOpts.minRotation || 0, + includeBounds: tickOpts.includeBounds !== false + }; + const dataRange = this._range || this; + const ticks = generateTicks$1(numericGeneratorOptions, dataRange); + if (opts.bounds === "ticks") { + _setMinAndMaxByKey(ticks, this, "value"); + } + if (opts.reverse) { + ticks.reverse(); + this.start = this.max; + this.end = this.min; + } else { + this.start = this.min; + this.end = this.max; + } + return ticks; + } + configure() { + const ticks = this.ticks; + let start = this.min; + let end = this.max; + super.configure(); + if (this.options.offset && ticks.length) { + const offset = (end - start) / Math.max(ticks.length - 1, 1) / 2; + start -= offset; + end += offset; + } + this._startValue = start; + this._endValue = end; + this._valueRange = end - start; + } + getLabelForValue(value) { + return formatNumber(value, this.chart.options.locale, this.options.ticks.format); + } +}; +var LinearScale = class extends LinearScaleBase { + determineDataLimits() { + const { min, max } = this.getMinMax(true); + this.min = isNumberFinite(min) ? min : 0; + this.max = isNumberFinite(max) ? max : 1; + this.handleTickRangeOptions(); + } + computeTickLimit() { + const horizontal = this.isHorizontal(); + const length = horizontal ? this.width : this.height; + const minRotation = toRadians(this.options.ticks.minRotation); + const ratio = (horizontal ? Math.sin(minRotation) : Math.cos(minRotation)) || 1e-3; + const tickFont = this._resolveTickFontOptions(0); + return Math.ceil(length / Math.min(40, tickFont.lineHeight / ratio)); + } + getPixelForValue(value) { + return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange); + } + getValueForPixel(pixel) { + return this._startValue + this.getDecimalForPixel(pixel) * this._valueRange; + } +}; +__publicField(LinearScale, "id", "linear"); +__publicField(LinearScale, "defaults", { + ticks: { + callback: Ticks.formatters.numeric + } +}); +var log10Floor = (v) => Math.floor(log10(v)); +var changeExponent = (v, m) => Math.pow(10, log10Floor(v) + m); +function isMajor(tickVal) { + const remain = tickVal / Math.pow(10, log10Floor(tickVal)); + return remain === 1; +} +function steps(min, max, rangeExp) { + const rangeStep = Math.pow(10, rangeExp); + const start = Math.floor(min / rangeStep); + const end = Math.ceil(max / rangeStep); + return end - start; +} +function startExp(min, max) { + const range = max - min; + let rangeExp = log10Floor(range); + while (steps(min, max, rangeExp) > 10) { + rangeExp++; + } + while (steps(min, max, rangeExp) < 10) { + rangeExp--; + } + return Math.min(rangeExp, log10Floor(min)); +} +function generateTicks(generationOptions, { min, max }) { + min = finiteOrDefault(generationOptions.min, min); + const ticks = []; + const minExp = log10Floor(min); + let exp = startExp(min, max); + let precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1; + const stepSize = Math.pow(10, exp); + const base = minExp > exp ? Math.pow(10, minExp) : 0; + const start = Math.round((min - base) * precision) / precision; + const offset = Math.floor((min - base) / stepSize / 10) * stepSize * 10; + let significand = Math.floor((start - offset) / Math.pow(10, exp)); + let value = finiteOrDefault(generationOptions.min, Math.round((base + offset + significand * Math.pow(10, exp)) * precision) / precision); + while (value < max) { + ticks.push({ + value, + major: isMajor(value), + significand + }); + if (significand >= 10) { + significand = significand < 15 ? 15 : 20; + } else { + significand++; + } + if (significand >= 20) { + exp++; + significand = 2; + precision = exp >= 0 ? 1 : precision; + } + value = Math.round((base + offset + significand * Math.pow(10, exp)) * precision) / precision; + } + const lastTick = finiteOrDefault(generationOptions.max, value); + ticks.push({ + value: lastTick, + major: isMajor(lastTick), + significand + }); + return ticks; +} +var LogarithmicScale = class extends Scale { + constructor(cfg) { + super(cfg); + this.start = void 0; + this.end = void 0; + this._startValue = void 0; + this._valueRange = 0; + } + parse(raw, index2) { + const value = LinearScaleBase.prototype.parse.apply(this, [ + raw, + index2 + ]); + if (value === 0) { + this._zero = true; + return void 0; + } + return isNumberFinite(value) && value > 0 ? value : null; + } + determineDataLimits() { + const { min, max } = this.getMinMax(true); + this.min = isNumberFinite(min) ? Math.max(0, min) : null; + this.max = isNumberFinite(max) ? Math.max(0, max) : null; + if (this.options.beginAtZero) { + this._zero = true; + } + if (this._zero && this.min !== this._suggestedMin && !isNumberFinite(this._userMin)) { + this.min = min === changeExponent(this.min, 0) ? changeExponent(this.min, -1) : changeExponent(this.min, 0); + } + this.handleTickRangeOptions(); + } + handleTickRangeOptions() { + const { minDefined, maxDefined } = this.getUserBounds(); + let min = this.min; + let max = this.max; + const setMin = (v) => min = minDefined ? min : v; + const setMax = (v) => max = maxDefined ? max : v; + if (min === max) { + if (min <= 0) { + setMin(1); + setMax(10); + } else { + setMin(changeExponent(min, -1)); + setMax(changeExponent(max, 1)); + } + } + if (min <= 0) { + setMin(changeExponent(max, -1)); + } + if (max <= 0) { + setMax(changeExponent(min, 1)); + } + this.min = min; + this.max = max; + } + buildTicks() { + const opts = this.options; + const generationOptions = { + min: this._userMin, + max: this._userMax + }; + const ticks = generateTicks(generationOptions, this); + if (opts.bounds === "ticks") { + _setMinAndMaxByKey(ticks, this, "value"); + } + if (opts.reverse) { + ticks.reverse(); + this.start = this.max; + this.end = this.min; + } else { + this.start = this.min; + this.end = this.max; + } + return ticks; + } + getLabelForValue(value) { + return value === void 0 ? "0" : formatNumber(value, this.chart.options.locale, this.options.ticks.format); + } + configure() { + const start = this.min; + super.configure(); + this._startValue = log10(start); + this._valueRange = log10(this.max) - log10(start); + } + getPixelForValue(value) { + if (value === void 0 || value === 0) { + value = this.min; + } + if (value === null || isNaN(value)) { + return NaN; + } + return this.getPixelForDecimal(value === this.min ? 0 : (log10(value) - this._startValue) / this._valueRange); + } + getValueForPixel(pixel) { + const decimal = this.getDecimalForPixel(pixel); + return Math.pow(10, this._startValue + decimal * this._valueRange); + } +}; +__publicField(LogarithmicScale, "id", "logarithmic"); +__publicField(LogarithmicScale, "defaults", { + ticks: { + callback: Ticks.formatters.logarithmic, + major: { + enabled: true + } + } +}); +function getTickBackdropHeight(opts) { + const tickOpts = opts.ticks; + if (tickOpts.display && opts.display) { + const padding = toPadding(tickOpts.backdropPadding); + return valueOrDefault(tickOpts.font && tickOpts.font.size, defaults.font.size) + padding.height; + } + return 0; +} +function measureLabelSize(ctx, font, label) { + label = isArray(label) ? label : [ + label + ]; + return { + w: _longestText(ctx, font.string, label), + h: label.length * font.lineHeight + }; +} +function determineLimits(angle, pos, size, min, max) { + if (angle === min || angle === max) { + return { + start: pos - size / 2, + end: pos + size / 2 + }; + } else if (angle < min || angle > max) { + return { + start: pos - size, + end: pos + }; + } + return { + start: pos, + end: pos + size + }; +} +function fitWithPointLabels(scale) { + const orig = { + l: scale.left + scale._padding.left, + r: scale.right - scale._padding.right, + t: scale.top + scale._padding.top, + b: scale.bottom - scale._padding.bottom + }; + const limits = Object.assign({}, orig); + const labelSizes = []; + const padding = []; + const valueCount = scale._pointLabels.length; + const pointLabelOpts = scale.options.pointLabels; + const additionalAngle = pointLabelOpts.centerPointLabels ? PI / valueCount : 0; + for (let i = 0; i < valueCount; i++) { + const opts = pointLabelOpts.setContext(scale.getPointLabelContext(i)); + padding[i] = opts.padding; + const pointPosition = scale.getPointPosition(i, scale.drawingArea + padding[i], additionalAngle); + const plFont = toFont(opts.font); + const textSize = measureLabelSize(scale.ctx, plFont, scale._pointLabels[i]); + labelSizes[i] = textSize; + const angleRadians = _normalizeAngle(scale.getIndexAngle(i) + additionalAngle); + const angle = Math.round(toDegrees(angleRadians)); + const hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180); + const vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270); + updateLimits(limits, orig, angleRadians, hLimits, vLimits); + } + scale.setCenterPoint(orig.l - limits.l, limits.r - orig.r, orig.t - limits.t, limits.b - orig.b); + scale._pointLabelItems = buildPointLabelItems(scale, labelSizes, padding); +} +function updateLimits(limits, orig, angle, hLimits, vLimits) { + const sin = Math.abs(Math.sin(angle)); + const cos = Math.abs(Math.cos(angle)); + let x = 0; + let y = 0; + if (hLimits.start < orig.l) { + x = (orig.l - hLimits.start) / sin; + limits.l = Math.min(limits.l, orig.l - x); + } else if (hLimits.end > orig.r) { + x = (hLimits.end - orig.r) / sin; + limits.r = Math.max(limits.r, orig.r + x); + } + if (vLimits.start < orig.t) { + y = (orig.t - vLimits.start) / cos; + limits.t = Math.min(limits.t, orig.t - y); + } else if (vLimits.end > orig.b) { + y = (vLimits.end - orig.b) / cos; + limits.b = Math.max(limits.b, orig.b + y); + } +} +function createPointLabelItem(scale, index2, itemOpts) { + const outerDistance = scale.drawingArea; + const { extra, additionalAngle, padding, size } = itemOpts; + const pointLabelPosition = scale.getPointPosition(index2, outerDistance + extra + padding, additionalAngle); + const angle = Math.round(toDegrees(_normalizeAngle(pointLabelPosition.angle + HALF_PI))); + const y = yForAngle(pointLabelPosition.y, size.h, angle); + const textAlign = getTextAlignForAngle(angle); + const left = leftForTextAlign(pointLabelPosition.x, size.w, textAlign); + return { + visible: true, + x: pointLabelPosition.x, + y, + textAlign, + left, + top: y, + right: left + size.w, + bottom: y + size.h + }; +} +function isNotOverlapped(item, area) { + if (!area) { + return true; + } + const { left, top, right, bottom } = item; + const apexesInArea = _isPointInArea({ + x: left, + y: top + }, area) || _isPointInArea({ + x: left, + y: bottom + }, area) || _isPointInArea({ + x: right, + y: top + }, area) || _isPointInArea({ + x: right, + y: bottom + }, area); + return !apexesInArea; +} +function buildPointLabelItems(scale, labelSizes, padding) { + const items = []; + const valueCount = scale._pointLabels.length; + const opts = scale.options; + const { centerPointLabels, display } = opts.pointLabels; + const itemOpts = { + extra: getTickBackdropHeight(opts) / 2, + additionalAngle: centerPointLabels ? PI / valueCount : 0 + }; + let area; + for (let i = 0; i < valueCount; i++) { + itemOpts.padding = padding[i]; + itemOpts.size = labelSizes[i]; + const item = createPointLabelItem(scale, i, itemOpts); + items.push(item); + if (display === "auto") { + item.visible = isNotOverlapped(item, area); + if (item.visible) { + area = item; + } + } + } + return items; +} +function getTextAlignForAngle(angle) { + if (angle === 0 || angle === 180) { + return "center"; + } else if (angle < 180) { + return "left"; + } + return "right"; +} +function leftForTextAlign(x, w, align) { + if (align === "right") { + x -= w; + } else if (align === "center") { + x -= w / 2; + } + return x; +} +function yForAngle(y, h, angle) { + if (angle === 90 || angle === 270) { + y -= h / 2; + } else if (angle > 270 || angle < 90) { + y -= h; + } + return y; +} +function drawPointLabelBox(ctx, opts, item) { + const { left, top, right, bottom } = item; + const { backdropColor } = opts; + if (!isNullOrUndef(backdropColor)) { + const borderRadius = toTRBLCorners(opts.borderRadius); + const padding = toPadding(opts.backdropPadding); + ctx.fillStyle = backdropColor; + const backdropLeft = left - padding.left; + const backdropTop = top - padding.top; + const backdropWidth = right - left + padding.width; + const backdropHeight = bottom - top + padding.height; + if (Object.values(borderRadius).some((v) => v !== 0)) { + ctx.beginPath(); + addRoundedRectPath(ctx, { + x: backdropLeft, + y: backdropTop, + w: backdropWidth, + h: backdropHeight, + radius: borderRadius + }); + ctx.fill(); + } else { + ctx.fillRect(backdropLeft, backdropTop, backdropWidth, backdropHeight); + } + } +} +function drawPointLabels(scale, labelCount) { + const { ctx, options: { pointLabels } } = scale; + for (let i = labelCount - 1; i >= 0; i--) { + const item = scale._pointLabelItems[i]; + if (!item.visible) { + continue; + } + const optsAtIndex = pointLabels.setContext(scale.getPointLabelContext(i)); + drawPointLabelBox(ctx, optsAtIndex, item); + const plFont = toFont(optsAtIndex.font); + const { x, y, textAlign } = item; + renderText(ctx, scale._pointLabels[i], x, y + plFont.lineHeight / 2, plFont, { + color: optsAtIndex.color, + textAlign, + textBaseline: "middle" + }); + } +} +function pathRadiusLine(scale, radius, circular, labelCount) { + const { ctx } = scale; + if (circular) { + ctx.arc(scale.xCenter, scale.yCenter, radius, 0, TAU); + } else { + let pointPosition = scale.getPointPosition(0, radius); + ctx.moveTo(pointPosition.x, pointPosition.y); + for (let i = 1; i < labelCount; i++) { + pointPosition = scale.getPointPosition(i, radius); + ctx.lineTo(pointPosition.x, pointPosition.y); + } + } +} +function drawRadiusLine(scale, gridLineOpts, radius, labelCount, borderOpts) { + const ctx = scale.ctx; + const circular = gridLineOpts.circular; + const { color: color2, lineWidth } = gridLineOpts; + if (!circular && !labelCount || !color2 || !lineWidth || radius < 0) { + return; + } + ctx.save(); + ctx.strokeStyle = color2; + ctx.lineWidth = lineWidth; + ctx.setLineDash(borderOpts.dash); + ctx.lineDashOffset = borderOpts.dashOffset; + ctx.beginPath(); + pathRadiusLine(scale, radius, circular, labelCount); + ctx.closePath(); + ctx.stroke(); + ctx.restore(); +} +function createPointLabelContext(parent, index2, label) { + return createContext(parent, { + label, + index: index2, + type: "pointLabel" + }); +} +var RadialLinearScale = class extends LinearScaleBase { + constructor(cfg) { + super(cfg); + this.xCenter = void 0; + this.yCenter = void 0; + this.drawingArea = void 0; + this._pointLabels = []; + this._pointLabelItems = []; + } + setDimensions() { + const padding = this._padding = toPadding(getTickBackdropHeight(this.options) / 2); + const w = this.width = this.maxWidth - padding.width; + const h = this.height = this.maxHeight - padding.height; + this.xCenter = Math.floor(this.left + w / 2 + padding.left); + this.yCenter = Math.floor(this.top + h / 2 + padding.top); + this.drawingArea = Math.floor(Math.min(w, h) / 2); + } + determineDataLimits() { + const { min, max } = this.getMinMax(false); + this.min = isNumberFinite(min) && !isNaN(min) ? min : 0; + this.max = isNumberFinite(max) && !isNaN(max) ? max : 0; + this.handleTickRangeOptions(); + } + computeTickLimit() { + return Math.ceil(this.drawingArea / getTickBackdropHeight(this.options)); + } + generateTickLabels(ticks) { + LinearScaleBase.prototype.generateTickLabels.call(this, ticks); + this._pointLabels = this.getLabels().map((value, index2) => { + const label = callback(this.options.pointLabels.callback, [ + value, + index2 + ], this); + return label || label === 0 ? label : ""; + }).filter((v, i) => this.chart.getDataVisibility(i)); + } + fit() { + const opts = this.options; + if (opts.display && opts.pointLabels.display) { + fitWithPointLabels(this); + } else { + this.setCenterPoint(0, 0, 0, 0); + } + } + setCenterPoint(leftMovement, rightMovement, topMovement, bottomMovement) { + this.xCenter += Math.floor((leftMovement - rightMovement) / 2); + this.yCenter += Math.floor((topMovement - bottomMovement) / 2); + this.drawingArea -= Math.min(this.drawingArea / 2, Math.max(leftMovement, rightMovement, topMovement, bottomMovement)); + } + getIndexAngle(index2) { + const angleMultiplier = TAU / (this._pointLabels.length || 1); + const startAngle = this.options.startAngle || 0; + return _normalizeAngle(index2 * angleMultiplier + toRadians(startAngle)); + } + getDistanceFromCenterForValue(value) { + if (isNullOrUndef(value)) { + return NaN; + } + const scalingFactor = this.drawingArea / (this.max - this.min); + if (this.options.reverse) { + return (this.max - value) * scalingFactor; + } + return (value - this.min) * scalingFactor; + } + getValueForDistanceFromCenter(distance) { + if (isNullOrUndef(distance)) { + return NaN; + } + const scaledDistance = distance / (this.drawingArea / (this.max - this.min)); + return this.options.reverse ? this.max - scaledDistance : this.min + scaledDistance; + } + getPointLabelContext(index2) { + const pointLabels = this._pointLabels || []; + if (index2 >= 0 && index2 < pointLabels.length) { + const pointLabel = pointLabels[index2]; + return createPointLabelContext(this.getContext(), index2, pointLabel); + } + } + getPointPosition(index2, distanceFromCenter, additionalAngle = 0) { + const angle = this.getIndexAngle(index2) - HALF_PI + additionalAngle; + return { + x: Math.cos(angle) * distanceFromCenter + this.xCenter, + y: Math.sin(angle) * distanceFromCenter + this.yCenter, + angle + }; + } + getPointPositionForValue(index2, value) { + return this.getPointPosition(index2, this.getDistanceFromCenterForValue(value)); + } + getBasePosition(index2) { + return this.getPointPositionForValue(index2 || 0, this.getBaseValue()); + } + getPointLabelPosition(index2) { + const { left, top, right, bottom } = this._pointLabelItems[index2]; + return { + left, + top, + right, + bottom + }; + } + drawBackground() { + const { backgroundColor, grid: { circular } } = this.options; + if (backgroundColor) { + const ctx = this.ctx; + ctx.save(); + ctx.beginPath(); + pathRadiusLine(this, this.getDistanceFromCenterForValue(this._endValue), circular, this._pointLabels.length); + ctx.closePath(); + ctx.fillStyle = backgroundColor; + ctx.fill(); + ctx.restore(); + } + } + drawGrid() { + const ctx = this.ctx; + const opts = this.options; + const { angleLines, grid, border } = opts; + const labelCount = this._pointLabels.length; + let i, offset, position; + if (opts.pointLabels.display) { + drawPointLabels(this, labelCount); + } + if (grid.display) { + this.ticks.forEach((tick, index2) => { + if (index2 !== 0) { + offset = this.getDistanceFromCenterForValue(tick.value); + const context = this.getContext(index2); + const optsAtIndex = grid.setContext(context); + const optsAtIndexBorder = border.setContext(context); + drawRadiusLine(this, optsAtIndex, offset, labelCount, optsAtIndexBorder); + } + }); + } + if (angleLines.display) { + ctx.save(); + for (i = labelCount - 1; i >= 0; i--) { + const optsAtIndex = angleLines.setContext(this.getPointLabelContext(i)); + const { color: color2, lineWidth } = optsAtIndex; + if (!lineWidth || !color2) { + continue; + } + ctx.lineWidth = lineWidth; + ctx.strokeStyle = color2; + ctx.setLineDash(optsAtIndex.borderDash); + ctx.lineDashOffset = optsAtIndex.borderDashOffset; + offset = this.getDistanceFromCenterForValue(opts.ticks.reverse ? this.min : this.max); + position = this.getPointPosition(i, offset); + ctx.beginPath(); + ctx.moveTo(this.xCenter, this.yCenter); + ctx.lineTo(position.x, position.y); + ctx.stroke(); + } + ctx.restore(); + } + } + drawBorder() { + } + drawLabels() { + const ctx = this.ctx; + const opts = this.options; + const tickOpts = opts.ticks; + if (!tickOpts.display) { + return; + } + const startAngle = this.getIndexAngle(0); + let offset, width; + ctx.save(); + ctx.translate(this.xCenter, this.yCenter); + ctx.rotate(startAngle); + ctx.textAlign = "center"; + ctx.textBaseline = "middle"; + this.ticks.forEach((tick, index2) => { + if (index2 === 0 && !opts.reverse) { + return; + } + const optsAtIndex = tickOpts.setContext(this.getContext(index2)); + const tickFont = toFont(optsAtIndex.font); + offset = this.getDistanceFromCenterForValue(this.ticks[index2].value); + if (optsAtIndex.showLabelBackdrop) { + ctx.font = tickFont.string; + width = ctx.measureText(tick.label).width; + ctx.fillStyle = optsAtIndex.backdropColor; + const padding = toPadding(optsAtIndex.backdropPadding); + ctx.fillRect(-width / 2 - padding.left, -offset - tickFont.size / 2 - padding.top, width + padding.width, tickFont.size + padding.height); + } + renderText(ctx, tick.label, 0, -offset, tickFont, { + color: optsAtIndex.color + }); + }); + ctx.restore(); + } + drawTitle() { + } +}; +__publicField(RadialLinearScale, "id", "radialLinear"); +__publicField(RadialLinearScale, "defaults", { + display: true, + animate: true, + position: "chartArea", + angleLines: { + display: true, + lineWidth: 1, + borderDash: [], + borderDashOffset: 0 + }, + grid: { + circular: false + }, + startAngle: 0, + ticks: { + showLabelBackdrop: true, + callback: Ticks.formatters.numeric + }, + pointLabels: { + backdropColor: void 0, + backdropPadding: 2, + display: true, + font: { + size: 10 + }, + callback(label) { + return label; + }, + padding: 5, + centerPointLabels: false + } +}); +__publicField(RadialLinearScale, "defaultRoutes", { + "angleLines.color": "borderColor", + "pointLabels.color": "color", + "ticks.color": "color" +}); +__publicField(RadialLinearScale, "descriptors", { + angleLines: { + _fallback: "grid" + } +}); +var INTERVALS = { + millisecond: { + common: true, + size: 1, + steps: 1e3 + }, + second: { + common: true, + size: 1e3, + steps: 60 + }, + minute: { + common: true, + size: 6e4, + steps: 60 + }, + hour: { + common: true, + size: 36e5, + steps: 24 + }, + day: { + common: true, + size: 864e5, + steps: 30 + }, + week: { + common: false, + size: 6048e5, + steps: 4 + }, + month: { + common: true, + size: 2628e6, + steps: 12 + }, + quarter: { + common: false, + size: 7884e6, + steps: 4 + }, + year: { + common: true, + size: 3154e7 + } +}; +var UNITS = /* @__PURE__ */ Object.keys(INTERVALS); +function sorter(a, b) { + return a - b; +} +function parse(scale, input) { + if (isNullOrUndef(input)) { + return null; + } + const adapter = scale._adapter; + const { parser, round: round2, isoWeekday } = scale._parseOpts; + let value = input; + if (typeof parser === "function") { + value = parser(value); + } + if (!isNumberFinite(value)) { + value = typeof parser === "string" ? adapter.parse(value, parser) : adapter.parse(value); + } + if (value === null) { + return null; + } + if (round2) { + value = round2 === "week" && (isNumber(isoWeekday) || isoWeekday === true) ? adapter.startOf(value, "isoWeek", isoWeekday) : adapter.startOf(value, round2); + } + return +value; +} +function determineUnitForAutoTicks(minUnit, min, max, capacity) { + const ilen = UNITS.length; + for (let i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) { + const interval = INTERVALS[UNITS[i]]; + const factor = interval.steps ? interval.steps : Number.MAX_SAFE_INTEGER; + if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) { + return UNITS[i]; + } + } + return UNITS[ilen - 1]; +} +function determineUnitForFormatting(scale, numTicks, minUnit, min, max) { + for (let i = UNITS.length - 1; i >= UNITS.indexOf(minUnit); i--) { + const unit = UNITS[i]; + if (INTERVALS[unit].common && scale._adapter.diff(max, min, unit) >= numTicks - 1) { + return unit; + } + } + return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0]; +} +function determineMajorUnit(unit) { + for (let i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) { + if (INTERVALS[UNITS[i]].common) { + return UNITS[i]; + } + } +} +function addTick(ticks, time, timestamps) { + if (!timestamps) { + ticks[time] = true; + } else if (timestamps.length) { + const { lo, hi } = _lookup(timestamps, time); + const timestamp = timestamps[lo] >= time ? timestamps[lo] : timestamps[hi]; + ticks[timestamp] = true; + } +} +function setMajorTicks(scale, ticks, map3, majorUnit) { + const adapter = scale._adapter; + const first = +adapter.startOf(ticks[0].value, majorUnit); + const last = ticks[ticks.length - 1].value; + let major, index2; + for (major = first; major <= last; major = +adapter.add(major, 1, majorUnit)) { + index2 = map3[major]; + if (index2 >= 0) { + ticks[index2].major = true; + } + } + return ticks; +} +function ticksFromTimestamps(scale, values, majorUnit) { + const ticks = []; + const map3 = {}; + const ilen = values.length; + let i, value; + for (i = 0; i < ilen; ++i) { + value = values[i]; + map3[value] = i; + ticks.push({ + value, + major: false + }); + } + return ilen === 0 || !majorUnit ? ticks : setMajorTicks(scale, ticks, map3, majorUnit); +} +var TimeScale = class extends Scale { + constructor(props) { + super(props); + this._cache = { + data: [], + labels: [], + all: [] + }; + this._unit = "day"; + this._majorUnit = void 0; + this._offsets = {}; + this._normalized = false; + this._parseOpts = void 0; + } + init(scaleOpts, opts = {}) { + const time = scaleOpts.time || (scaleOpts.time = {}); + const adapter = this._adapter = new adapters._date(scaleOpts.adapters.date); + adapter.init(opts); + mergeIf(time.displayFormats, adapter.formats()); + this._parseOpts = { + parser: time.parser, + round: time.round, + isoWeekday: time.isoWeekday + }; + super.init(scaleOpts); + this._normalized = opts.normalized; + } + parse(raw, index2) { + if (raw === void 0) { + return null; + } + return parse(this, raw); + } + beforeLayout() { + super.beforeLayout(); + this._cache = { + data: [], + labels: [], + all: [] + }; + } + determineDataLimits() { + const options = this.options; + const adapter = this._adapter; + const unit = options.time.unit || "day"; + let { min, max, minDefined, maxDefined } = this.getUserBounds(); + function _applyBounds(bounds) { + if (!minDefined && !isNaN(bounds.min)) { + min = Math.min(min, bounds.min); + } + if (!maxDefined && !isNaN(bounds.max)) { + max = Math.max(max, bounds.max); + } + } + if (!minDefined || !maxDefined) { + _applyBounds(this._getLabelBounds()); + if (options.bounds !== "ticks" || options.ticks.source !== "labels") { + _applyBounds(this.getMinMax(false)); + } + } + min = isNumberFinite(min) && !isNaN(min) ? min : +adapter.startOf(Date.now(), unit); + max = isNumberFinite(max) && !isNaN(max) ? max : +adapter.endOf(Date.now(), unit) + 1; + this.min = Math.min(min, max - 1); + this.max = Math.max(min + 1, max); + } + _getLabelBounds() { + const arr = this.getLabelTimestamps(); + let min = Number.POSITIVE_INFINITY; + let max = Number.NEGATIVE_INFINITY; + if (arr.length) { + min = arr[0]; + max = arr[arr.length - 1]; + } + return { + min, + max + }; + } + buildTicks() { + const options = this.options; + const timeOpts = options.time; + const tickOpts = options.ticks; + const timestamps = tickOpts.source === "labels" ? this.getLabelTimestamps() : this._generate(); + if (options.bounds === "ticks" && timestamps.length) { + this.min = this._userMin || timestamps[0]; + this.max = this._userMax || timestamps[timestamps.length - 1]; + } + const min = this.min; + const max = this.max; + const ticks = _filterBetween(timestamps, min, max); + this._unit = timeOpts.unit || (tickOpts.autoSkip ? determineUnitForAutoTicks(timeOpts.minUnit, this.min, this.max, this._getLabelCapacity(min)) : determineUnitForFormatting(this, ticks.length, timeOpts.minUnit, this.min, this.max)); + this._majorUnit = !tickOpts.major.enabled || this._unit === "year" ? void 0 : determineMajorUnit(this._unit); + this.initOffsets(timestamps); + if (options.reverse) { + ticks.reverse(); + } + return ticksFromTimestamps(this, ticks, this._majorUnit); + } + afterAutoSkip() { + if (this.options.offsetAfterAutoskip) { + this.initOffsets(this.ticks.map((tick) => +tick.value)); + } + } + initOffsets(timestamps = []) { + let start = 0; + let end = 0; + let first, last; + if (this.options.offset && timestamps.length) { + first = this.getDecimalForValue(timestamps[0]); + if (timestamps.length === 1) { + start = 1 - first; + } else { + start = (this.getDecimalForValue(timestamps[1]) - first) / 2; + } + last = this.getDecimalForValue(timestamps[timestamps.length - 1]); + if (timestamps.length === 1) { + end = last; + } else { + end = (last - this.getDecimalForValue(timestamps[timestamps.length - 2])) / 2; + } + } + const limit = timestamps.length < 3 ? 0.5 : 0.25; + start = _limitValue(start, 0, limit); + end = _limitValue(end, 0, limit); + this._offsets = { + start, + end, + factor: 1 / (start + 1 + end) + }; + } + _generate() { + const adapter = this._adapter; + const min = this.min; + const max = this.max; + const options = this.options; + const timeOpts = options.time; + const minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, this._getLabelCapacity(min)); + const stepSize = valueOrDefault(options.ticks.stepSize, 1); + const weekday = minor === "week" ? timeOpts.isoWeekday : false; + const hasWeekday = isNumber(weekday) || weekday === true; + const ticks = {}; + let first = min; + let time, count; + if (hasWeekday) { + first = +adapter.startOf(first, "isoWeek", weekday); + } + first = +adapter.startOf(first, hasWeekday ? "day" : minor); + if (adapter.diff(max, min, minor) > 1e5 * stepSize) { + throw new Error(min + " and " + max + " are too far apart with stepSize of " + stepSize + " " + minor); + } + const timestamps = options.ticks.source === "data" && this.getDataTimestamps(); + for (time = first, count = 0; time < max; time = +adapter.add(time, stepSize, minor), count++) { + addTick(ticks, time, timestamps); + } + if (time === max || options.bounds === "ticks" || count === 1) { + addTick(ticks, time, timestamps); + } + return Object.keys(ticks).sort((a, b) => a - b).map((x) => +x); + } + getLabelForValue(value) { + const adapter = this._adapter; + const timeOpts = this.options.time; + if (timeOpts.tooltipFormat) { + return adapter.format(value, timeOpts.tooltipFormat); + } + return adapter.format(value, timeOpts.displayFormats.datetime); + } + format(value, format) { + const options = this.options; + const formats = options.time.displayFormats; + const unit = this._unit; + const fmt = format || formats[unit]; + return this._adapter.format(value, fmt); + } + _tickFormatFunction(time, index2, ticks, format) { + const options = this.options; + const formatter = options.ticks.callback; + if (formatter) { + return callback(formatter, [ + time, + index2, + ticks + ], this); + } + const formats = options.time.displayFormats; + const unit = this._unit; + const majorUnit = this._majorUnit; + const minorFormat = unit && formats[unit]; + const majorFormat = majorUnit && formats[majorUnit]; + const tick = ticks[index2]; + const major = majorUnit && majorFormat && tick && tick.major; + return this._adapter.format(time, format || (major ? majorFormat : minorFormat)); + } + generateTickLabels(ticks) { + let i, ilen, tick; + for (i = 0, ilen = ticks.length; i < ilen; ++i) { + tick = ticks[i]; + tick.label = this._tickFormatFunction(tick.value, i, ticks); + } + } + getDecimalForValue(value) { + return value === null ? NaN : (value - this.min) / (this.max - this.min); + } + getPixelForValue(value) { + const offsets = this._offsets; + const pos = this.getDecimalForValue(value); + return this.getPixelForDecimal((offsets.start + pos) * offsets.factor); + } + getValueForPixel(pixel) { + const offsets = this._offsets; + const pos = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end; + return this.min + pos * (this.max - this.min); + } + _getLabelSize(label) { + const ticksOpts = this.options.ticks; + const tickLabelWidth = this.ctx.measureText(label).width; + const angle = toRadians(this.isHorizontal() ? ticksOpts.maxRotation : ticksOpts.minRotation); + const cosRotation = Math.cos(angle); + const sinRotation = Math.sin(angle); + const tickFontSize = this._resolveTickFontOptions(0).size; + return { + w: tickLabelWidth * cosRotation + tickFontSize * sinRotation, + h: tickLabelWidth * sinRotation + tickFontSize * cosRotation + }; + } + _getLabelCapacity(exampleTime) { + const timeOpts = this.options.time; + const displayFormats = timeOpts.displayFormats; + const format = displayFormats[timeOpts.unit] || displayFormats.millisecond; + const exampleLabel = this._tickFormatFunction(exampleTime, 0, ticksFromTimestamps(this, [ + exampleTime + ], this._majorUnit), format); + const size = this._getLabelSize(exampleLabel); + const capacity = Math.floor(this.isHorizontal() ? this.width / size.w : this.height / size.h) - 1; + return capacity > 0 ? capacity : 1; + } + getDataTimestamps() { + let timestamps = this._cache.data || []; + let i, ilen; + if (timestamps.length) { + return timestamps; + } + const metas = this.getMatchingVisibleMetas(); + if (this._normalized && metas.length) { + return this._cache.data = metas[0].controller.getAllParsedValues(this); + } + for (i = 0, ilen = metas.length; i < ilen; ++i) { + timestamps = timestamps.concat(metas[i].controller.getAllParsedValues(this)); + } + return this._cache.data = this.normalize(timestamps); + } + getLabelTimestamps() { + const timestamps = this._cache.labels || []; + let i, ilen; + if (timestamps.length) { + return timestamps; + } + const labels = this.getLabels(); + for (i = 0, ilen = labels.length; i < ilen; ++i) { + timestamps.push(parse(this, labels[i])); + } + return this._cache.labels = this._normalized ? timestamps : this.normalize(timestamps); + } + normalize(values) { + return _arrayUnique(values.sort(sorter)); + } +}; +__publicField(TimeScale, "id", "time"); +__publicField(TimeScale, "defaults", { + bounds: "data", + adapters: {}, + time: { + parser: false, + unit: false, + round: false, + isoWeekday: false, + minUnit: "millisecond", + displayFormats: {} + }, + ticks: { + source: "auto", + callback: false, + major: { + enabled: false + } + } +}); +function interpolate2(table, val, reverse) { + let lo = 0; + let hi = table.length - 1; + let prevSource, nextSource, prevTarget, nextTarget; + if (reverse) { + if (val >= table[lo].pos && val <= table[hi].pos) { + ({ lo, hi } = _lookupByKey(table, "pos", val)); + } + ({ pos: prevSource, time: prevTarget } = table[lo]); + ({ pos: nextSource, time: nextTarget } = table[hi]); + } else { + if (val >= table[lo].time && val <= table[hi].time) { + ({ lo, hi } = _lookupByKey(table, "time", val)); + } + ({ time: prevSource, pos: prevTarget } = table[lo]); + ({ time: nextSource, pos: nextTarget } = table[hi]); + } + const span = nextSource - prevSource; + return span ? prevTarget + (nextTarget - prevTarget) * (val - prevSource) / span : prevTarget; +} +var TimeSeriesScale = class extends TimeScale { + constructor(props) { + super(props); + this._table = []; + this._minPos = void 0; + this._tableRange = void 0; + } + initOffsets() { + const timestamps = this._getTimestampsForTable(); + const table = this._table = this.buildLookupTable(timestamps); + this._minPos = interpolate2(table, this.min); + this._tableRange = interpolate2(table, this.max) - this._minPos; + super.initOffsets(timestamps); + } + buildLookupTable(timestamps) { + const { min, max } = this; + const items = []; + const table = []; + let i, ilen, prev, curr, next; + for (i = 0, ilen = timestamps.length; i < ilen; ++i) { + curr = timestamps[i]; + if (curr >= min && curr <= max) { + items.push(curr); + } + } + if (items.length < 2) { + return [ + { + time: min, + pos: 0 + }, + { + time: max, + pos: 1 + } + ]; + } + for (i = 0, ilen = items.length; i < ilen; ++i) { + next = items[i + 1]; + prev = items[i - 1]; + curr = items[i]; + if (Math.round((next + prev) / 2) !== curr) { + table.push({ + time: curr, + pos: i / (ilen - 1) + }); + } + } + return table; + } + _getTimestampsForTable() { + let timestamps = this._cache.all || []; + if (timestamps.length) { + return timestamps; + } + const data2 = this.getDataTimestamps(); + const label = this.getLabelTimestamps(); + if (data2.length && label.length) { + timestamps = this.normalize(data2.concat(label)); + } else { + timestamps = data2.length ? data2 : label; + } + timestamps = this._cache.all = timestamps; + return timestamps; + } + getDecimalForValue(value) { + return (interpolate2(this._table, value) - this._minPos) / this._tableRange; + } + getValueForPixel(pixel) { + const offsets = this._offsets; + const decimal = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end; + return interpolate2(this._table, decimal * this._tableRange + this._minPos, true); + } +}; +__publicField(TimeSeriesScale, "id", "timeseries"); +__publicField(TimeSeriesScale, "defaults", TimeScale.defaults); +var scales = /* @__PURE__ */ Object.freeze({ + __proto__: null, + CategoryScale, + LinearScale, + LogarithmicScale, + RadialLinearScale, + TimeScale, + TimeSeriesScale +}); +var registerables = [ + controllers, + elements, + plugins, + scales +]; + +// node_modules/chart.js/auto/auto.js +Chart.register(...registerables); +var auto_default = Chart; + +// src/App.ts +var import_incremental_dom2 = __toESM(require_incremental_dom_cjs(), 1); + +// src/Header.ts +var import_incremental_dom = __toESM(require_incremental_dom_cjs(), 1); +function Header() { + (0, import_incremental_dom.elementOpen)("div", "", ["class", "header"]); + (0, import_incremental_dom.elementOpen)("h1"); + (0, import_incremental_dom.text)("Choose Probabilities"); + (0, import_incremental_dom.elementClose)("h1"); + (0, import_incremental_dom.elementOpen)("h5"); + (0, import_incremental_dom.text)("X-Axis = Ticks, Y-Axis = Underlying Price"); + (0, import_incremental_dom.elementClose)("h5"); + (0, import_incremental_dom.elementOpen)("h5"); + (0, import_incremental_dom.text)("Begin with 2 Ticks, T_0 and T_1. Can add more in-between or at ends. Do not have to be equidistant."); + (0, import_incremental_dom.elementClose)("h5"); + (0, import_incremental_dom.elementOpen)("h5"); + (0, import_incremental_dom.text)('Begin with 2 Nodes to the "right" of each Node representing what can happen in the next tick. Can add more. No not need to be equidistant.'); + (0, import_incremental_dom.elementClose)("h5"); + (0, import_incremental_dom.elementClose)("div"); +} +var Header_default = Header; + +// src/App.ts +var data = [ + { year: 2010, count: 10 }, + { year: 2011, count: 20 }, + { year: 2012, count: 15 }, + { year: 2013, count: 25 }, + { year: 2014, count: 22 }, + { year: 2015, count: 30 }, + { year: 2016, count: 28 } +]; +function App({ ticks = [0, 1, 2, 3, 4, 5] }) { + Header_default(); + (0, import_incremental_dom2.elementOpen)("div", "", ["class", "chart"]); + ticks.forEach((tick) => { + (0, import_incremental_dom2.elementOpen)("label"); + (0, import_incremental_dom2.text)(`T_${tick}`); + (0, import_incremental_dom2.elementClose)("label"); + (0, import_incremental_dom2.elementVoid)("input", tick, ["type", "range", "min", "0", "max", "100"]); + }); + (0, import_incremental_dom2.elementClose)("div"); + (0, import_incremental_dom2.elementOpen)("div", "barChartContainer", ["style", "width:800px;"]); + (0, import_incremental_dom2.elementOpen)("canvas", "barChart", ["id", "barChart"]); + (0, import_incremental_dom2.elementClose)("canvas"); + (0, import_incremental_dom2.elementClose)("div"); + new auto_default( + //@ts-ignore + document.getElementById("barChart"), + { + type: "bar", + data: { + labels: data.map((row) => row.year), + datasets: [ + { + label: "Acquisitions by year", + data: data.map((row) => row.count) + } + ] + } + } + ); +} +var App_default = App; + +// src/index.ts +var root = document.getElementById("app"); +(0, import_incremental_dom3.patch)(root, function() { + App_default({}); +}); +/*! Bundled license information: + +incremental-dom/dist/incremental-dom-cjs.js: + (** + * @preserve + * Copyright 2015 The Incremental DOM Authors. All Rights Reserved. + * Licensed under the Apache License, Version 2.0. + *) + +@kurkle/color/dist/color.esm.js: + (*! + * @kurkle/color v0.3.2 + * https://github.com/kurkle/color#readme + * (c) 2023 Jukka Kurkela + * Released under the MIT License + *) + +chart.js/dist/chunks/helpers.segment.js: + (*! + * Chart.js v4.3.0 + * https://www.chartjs.org + * (c) 2023 Chart.js Contributors + * Released under the MIT License + *) + +chart.js/dist/chart.js: + (*! + * Chart.js v4.3.0 + * https://www.chartjs.org + * (c) 2023 Chart.js Contributors + * Released under the MIT License + *) +*/ diff --git a/package.json b/package.json index 00adc36..42df082 100644 --- a/package.json +++ b/package.json @@ -6,8 +6,8 @@ "author": "Brian Sakal ", "license": "MIT", "scripts": { - "build": "cp src/index.html dist/ && yarn esbuild src/index.ts --outdir=dist --platform=browser --bundle --format=esm", - "serve": "cp src/index.html dist/ && yarn esbuild src/index.ts --outdir=dist --platform=browser --bundle --format=esm --servedir=dist" + "build": "cp src/index.html dist/ && node build.mjs", + "serve": "yarn build && yarn esbuild --servedir=dist" }, "devDependencies": { "esbuild": "^0.17.18"