rearranged into pnpm/parcel workflow

.gitignore

@@ -0,0 +1,109 @@
+# ---> Node
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+
+# Next.js build output
+.next
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+

PubSub.js

@@ -1,39 +0,0 @@
-let PubSub = ()=>{
-  // state:
-  let subscriptions_by_event = {}; // by event name, that is
-  let subscriptions_by_name = {}; // subscriptions can be named, for easy unsubscribing
-  
-  // methods:
-  let pub = (e, ...params)=>{
-    if(subscriptions_by_event[e]){
-      subscriptions_by_event[e].forEach(subscription=>subscription.cb(...params))
-      }
-    };
-  let sub = (e, cb, name)=>{ // 'name' is for unsubbing
-    if(typeof subscriptions_by_event[e] === 'undefined'){
-      subscriptions_by_event[e] = [];
-      }
-    
-    let subscription = { e, cb, name: name || '' };
-    
-    subscriptions_by_event[e].push(subscription);
-    if(subscription.name !== ''){
-      if(typeof subscriptions_by_name[name] !== 'undefined'){ console.warn('Already subscription with name "'+name+'". Overwriting nonetheless.'); }
-      subscriptions_by_name[name] = subscription;
-      }
-    };
-  let unsub = (name)=>{
-    // check if such a named subscription exists:
-    if(typeof subscriptions_by_name[name] !== 'undefined'){
-      // get ref to subscription object for later:
-      let subscription = subscriptions_by_name[name];
-      // delete subscription from both lists:
-      subscriptions_by_event[subscription.e].splice(subscriptions_by_event[subscription.e].indexOf(subscription), 1);
-      delete subscriptions_by_name[name];
-      }
-    };
-  
-  return {pub, sub, unsub};
-  }
-
-export default PubSub;

package.json

@@ -0,0 +1,24 @@
+{
+  "name": "calendar-optimizer",
+  "version": "1.0.0",
+  "description": "Options Calendar-spread optimizer, based on projected underlying price range and IV smiles at different expiries.",
+  "source": "src/index.html",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://git.sakal.us/brian/calendar-optimizer.git"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "PubSubJS": "^0.0.3",
+    "incremental-dom": "^0.7.0",
+    "nanoid": "^3.3.1"
+  },
+  "devDependencies": {
+    "parcel": "^2.3.2"
+  }
+}

src/components/App.js

@@ -1,4 +1,4 @@
-import {elementOpen as o, elementClose as c, text as t} from '../vendor/incremental-dom.js';
+import {elementOpen as o, elementClose as c, text as t} from 'incremental-dom';
 import state from '../state.js';
 import {pub} from '../pubsub.js';
 

src/procedures.js

@@ -0,0 +1,3 @@
+export const calculateBestCombinationOfCalendars(){
+  
+  }

src/pubsub.js

@@ -1,5 +1,5 @@
 // global PubSub instance:
-import PubSub from './PubSub.js';
+import PubSub from 'PubSubJS';
 
 const pubsub = PubSub();
 export const {pub, sub, unsub} = pubsub;

src/redraw.js

@@ -1,4 +1,4 @@
-import {patch} from './vendor/incremental-dom.js';
+import {patch} from 'incremental-dom';
 import App from './components/App.js';
 
 export const redraw = ()=>{

src/state.js

@@ -1,4 +1,3 @@
-// EXAMPLE STATE:
 const state = {
   front_months: { // front months, i.e. calendar expiry, at which the user has an opinion on where the underlying price may be
     "2022-03-11": {
@@ -19,6 +18,4 @@ const state = {
 
 
 
-export const calculateBestCombinationOfCalendars(){
+export default state;
-  
-  }

state.js

@@ -1,8 +0,0 @@
-
-let state = {
-  
-  };
-
-
-
-export default state;

vendor/nanoid.js

@@ -1,7 +0,0 @@
-/**
- * Bundled by jsDelivr using Rollup v2.67.2 and Terser v5.10.0.
- * Original file: /npm/nanoid@3.3.1/index.browser.js
- *
- * Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files
- */
-let t="useandom-26T198340PX75pxJACKVERYMINDBUSHWOLF_GQZbfghjklqvwyzrict",e=t=>crypto.getRandomValues(new Uint8Array(t)),r=(t,e,r)=>{let l=(2<<Math.log(t.length-1)/Math.LN2)-1,n=-~(1.6*l*e/t.length);return(o=e)=>{let a="";for(;;){let e=r(n),g=n;for(;g--;)if(a+=t[e[g]&l]||"",a.length===o)return a}}},l=(t,l=21)=>r(t,l,e),n=(t=21)=>{let e="",r=crypto.getRandomValues(new Uint8Array(t));for(;t--;){let l=63&r[t];e+=l<36?l.toString(36):l<62?(l-26).toString(36).toUpperCase():l<63?"_":"-"}return e};export{l as customAlphabet,r as customRandom,n as nanoid,e as random,t as urlAlphabet};export default null;