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/* eslint-disable import/no-commonjs */
const { createTransformer } = require('babel-jest');
// This Jest will transform the code of a WebWorker module into a FakeWebWorker subclass.
// This is meant to mirror Webpack's [`worker-loader`][1].
// [1]: https://webpack.js.org/loaders/worker-loader/
module.exports = {
process: (contentArg, filename, ...args) => {
const { code: content } = createTransformer().process(contentArg, filename, ...args);
const jestTransformedWorkerCode = `const { FakeWebWorker } = require("helpers/web_worker_fake");
module.exports = class JestTransformedWorker extends FakeWebWorker {
constructor() {
super(${JSON.stringify(filename)}, ${JSON.stringify(content)});
}
};`;
return {
code: jestTransformedWorkerCode,
};
},
};
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