Rename cdn build to use js extension

closes #282

Author: t2t2

package.json

@@ -35,8 +35,8 @@
   "main": "dist/json.cjs",
   "module": "dist/json.module.js",
   "amdName": "OBSWebSocket",
-  "jsdelivr": "dist/obs-ws.min.cjs",
-  "unpkg": "dist/obs-ws.min.cjs",
+  "jsdelivr": "dist/obs-ws.min.js",
+  "unpkg": "dist/obs-ws.min.js",
   "types": "dist/json.d.ts",
   "engines": {
     "node": ">12.0"
@@ -50,12 +50,12 @@
     "build": "npm-run-all clean build:*",
     "build:bundle": "microbundle -f modern,esm,cjs --no-compress src/{json,msgpack}.ts --generateTypes false",
     "build:types": "tsc --emitDeclarationOnly",
-    "build:unpkg": "microbundle -f iife src/unpkg.ts -o dist/obs-ws.min.cjs --external none --generateTypes false",
+    "build:unpkg": "node scripts/generate-unpkg.js",
     "clean": "rimraf dist",
     "dev": "npm run build:bundle --watch",
     "generate:obs-types": "node --loader=ts-node/esm scripts/build-types.ts",
     "lint": "eslint . --ext .cjs,.js,.ts",
-    "prepare": "npm run build",
+    "prepack": "npm run build",
     "report": "c8 report",
     "test": "c8 ava",
     "test:watch": "ava --watch"

scripts/generate-unpkg.js

@@ -0,0 +1,17 @@
+/* eslint-disable @typescript-eslint/no-unsafe-call, @typescript-eslint/no-unsafe-assignment */
+import microbundle from 'microbundle';
+
+// Somehow calling microbundle via API causes output file to match expected extension
+// .js is wanted over .cjs due to CDN's
+// https://github.com/obs-websocket-community-projects/obs-websocket-js/issues/282
+
+const {output} = await microbundle({
+	cwd: '.',
+	format: 'iife',
+	entries: ['src/unpkg.ts'],
+	output: 'dist/obs-ws.min.js',
+	external: 'none',
+	generateTypes: false,
+});
+
+console.log(output);