Add custom loader for recorder worklet

This commit is contained in:
Johannes Marbach 2023-11-18 21:37:30 +01:00
parent 8dbefcc589
commit e2fdddaa1f
2 changed files with 61 additions and 13 deletions

View file

@ -0,0 +1,45 @@
/*
Copyright 2023 The Matrix.org Foundation C.I.C.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Inspired by https://github.com/reklawnos/worklet-loader which doesn't
// formally support Webpack 5
const SingleEntryPlugin = require("webpack/lib/SingleEntryPlugin");
module.exports = function () {};
module.exports.pitch = function pitch(request) {
const cb = this.async();
const filename = "recorder.worklet.js";
const compiler = this._compilation.createChildCompiler("worker", {
filename,
chunkFilename: `[id].${filename}`,
namedChunkFilename: null,
});
new SingleEntryPlugin(this.context, `!!${request}`, "main").apply(compiler);
compiler.runAsChild((err, entries, compilation) => {
if (err) {
return cb(err);
}
if (entries[0]) {
return cb(null, `module.exports = __webpack_public_path__ + ${JSON.stringify(entries[0].files[0])};`);
}
return cb(null, null);
});
};

View file

@ -272,19 +272,6 @@ module.exports = (env, argv) => {
// optimised, so there is little to gain by us uglifying it.
/olm[\\/](javascript[\\/])?olm\.js$/,
],
parser: {
javascript: {
worker: [
// Special syntax for loading audio worklets as documented in
// https://github.com/webpack/webpack.js.org/issues/6869. Note
// that this only works when using a URL as argument to the
// addModule call.
"*context.audioWorklet.addModule()",
"*audioWorklet.addModule()",
"...", // The defaults
],
},
},
rules: [
useHMR && {
test: /devcss\.ts$/,
@ -493,6 +480,22 @@ module.exports = (env, argv) => {
outputPath: ".",
},
},
{
// Ideally we should use the built-in worklet support in Webpack 5 with the syntax
// described in https://github.com/webpack/webpack.js.org/issues/6869. However, this
// doesn't currently appear to work with our public path setup. So we handle this
// with a custom loader instead.
test: /RecorderWorklet\.ts$/,
type: "javascript/auto",
use: [
{
loader: path.resolve("./recorder-worklet-loader.js"),
},
{
loader: "babel-loader",
},
],
},
{
// This is from the same place as the encoderWorker above, but only needed
// for Safari support.