fix: superdough worklets bundling

packages/superdough/superdough.mjs

@@ -8,7 +8,7 @@ import './feedbackdelay.mjs';
 import './reverb.mjs';
 import './vowel.mjs';
 import { clamp, nanFallback, _mod } from './util.mjs';
-import workletsUrl from './worklets.mjs?worker&url';
+import workletsUrl from './worklets.mjs?audioworklet';
 import { createFilter, gainNode, getCompressor, getWorklet } from './helpers.mjs';
 import { map } from 'nanostores';
 import { logger } from './logger.mjs';

packages/superdough/vite-plugin-bundle-audioworklet.js

@@ -0,0 +1,46 @@
+import { createLogger, build } from 'vite';
+
+const end = '?audioworklet';
+
+export function bundleAudioWorkletPlugin() /* : PluginOption */ {
+  let viteConfig /* : UserConfig */;
+
+  return {
+    name: 'vite-plugin-bundle-audioworklet',
+    apply: 'build',
+    enforce: 'post',
+
+    config(config) {
+      viteConfig = config;
+    },
+
+    async transform(_code, id) {
+      if (!id.endsWith(end)) {
+        return;
+      }
+      const entry = id.replace(end, '');
+      const quietLogger = createLogger();
+      quietLogger.info = () => undefined;
+
+      const output = await build({
+        configFile: false,
+        clearScreen: false,
+        customLogger: quietLogger,
+        build: {
+          lib: {
+            entry,
+            name: '_',
+            formats: ['iife'],
+          },
+          write: false,
+        },
+      });
+      if (!(output instanceof Array)) {
+        throw new Error('Expected output to be Array');
+      }
+      const iife = output[0].output[0].code;
+      const encoded = Buffer.from(iife, 'utf8').toString('base64');
+      return `export default "data:text/javascript;base64,${encoded}";`;
+    },
+  };
+}

packages/superdough/vite.config.js

@@ -1,10 +1,11 @@
 import { defineConfig } from 'vite';
 import { dependencies } from './package.json';
 import { resolve } from 'path';
+import { bundleAudioWorkletPlugin } from './vite-plugin-bundle-audioworklet';
 
 // https://vitejs.dev/config/
 export default defineConfig({
-  plugins: [],
+  plugins: [bundleAudioWorkletPlugin()],
   build: {
     lib: {
       entry: resolve(__dirname, 'index.mjs'),