add build.mjs

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'],
+})

package.json

@@ -6,8 +6,8 @@
   "author": "Brian Sakal <brian@sakal.us>",
   "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"