Could not load worker TypeError: Failed to execute 'createObjectURL' on 'URL': No function was found that matched the signature provided.

Problem

I’m using react-ace in my project but encounter a problem:

Could not load worker TypeError: Failed to execute 'createObjectURL' on 'URL': No function was found that matched the signature provided.
    at new WorkerClient (index.js:16800)
    at Mode.createWorker (javascript.js:1029)
    at EditSession.$startWorker (index.js:9120)
    at EditSession.$onChangeMode (index.js:9076)
    at EditSession.<anonymous> (index.js:9057)
    at AppConfig.exports.loadModule (index.js:3684)
    at EditSession.setMode (index.js:9046)
    at ReactAce.componentDidMount (ace.js:93)
    at ReactCompositeComponent.js:264
    at measureLifeCyclePerf (ReactCompositeComponent.js:75)

This problem only occur when I use modes that is related to javascript (javascript, coffee, etc.)

Sample code

import AceEditor from "react-ace";
import 'brace';
import 'brace/mode/javascript';
import 'brace/theme/github';

class Test extends React.Component<any, any> {
    render() {
        <AceEditor mode="javascript" theme="github" name="name" />
    }
}

I’ve tried everything I can come up with. Is there anyone who can help to solve this problem? Thanks!

[intrepidOlivia]

Does anyone know if this was ever filed as an issue with Ace?

I’m running into this problem, but it’s occurring during Mocha testing instead of normal rendering, and fiddling with the webpack doesn’t fix it. 😦

[joshyudeep]

I’m running into this problem, but it’s occurring during Mocha testing instead of normal rendering, and fiddling with the webpack doesn’t fix it. 😦

bump. running into the same issue w/ jest and testing-library/react 😦