browsersynthcompiler needs to wait for moduleworkerloader

petersalomonsen · Jan 2, 2024 · cf0af8d · cf0af8d
1 parent c13af4e
commit cf0af8d
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Showing 3 changed files with 10 additions and 6 deletions.
diff --git a/wasmaudioworklet/synth1/browsersynthcompiler.js b/wasmaudioworklet/synth1/browsersynthcompiler.js
@@ -1,14 +1,18 @@
-const synthcompilerworker = new Worker(new URL('moduleworkerloader.js', import.meta.url));
+const synthcompilerworker = new Promise(resolve => {
+    const worker = new Worker(new URL('moduleworkerloader.js', import.meta.url));
+    worker.onmessage = () => resolve(worker);
+});
 
 export async function compileWebAssemblySynth(synthsource, song, samplerate, exportmode) {
-    synthcompilerworker.postMessage({
+    const worker = await synthcompilerworker;
+    worker.postMessage({
         synthsource: synthsource,
         samplerate: samplerate,
         song: song,
         exportmode: exportmode
     });
 
-    const result = await new Promise((resolve) => synthcompilerworker.onmessage = (msg) => resolve(msg));
+    const result = await new Promise((resolve) => worker.onmessage = (msg) => resolve(msg));
     if (result.data.binary) {
         console.log('successfully compiled webassembly synth');
         return result.data.binary;

diff --git a/wasmaudioworklet/synth1/moduleworkerloader.js b/wasmaudioworklet/synth1/moduleworkerloader.js
@@ -14,5 +14,5 @@ const importMap = {
 importShim.addImportMap(importMap);
 importShim('./browsercompilerwebworker.js').then((res) => {
     console.log("module has been loaded");
-})
-    .catch(e => setTimeout(() => { throw e; }));
+    postMessage('ready');
+}).catch(e => setTimeout(() => { throw e; }));
diff --git a/wasmaudioworklet/web-test-runner.config.js b/wasmaudioworklet/web-test-runner.config.js
@@ -1,7 +1,7 @@
 import { chromeLauncher } from '@web/test-runner';
 
 export default {
-    concurrency: 1,
+    concurrency: 10,
     watch: true,
     testRunnerHtml: testRunnerImport =>
     `<html>