Unexpected token 'export'

[tapopov]

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🐛 bug report

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• [x] I have read the [Contributing Guidelines][contributing] for this project.
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Description of the problem

SyntaxError Unexpected token 'export' is thrown every other run, when importing @angular/localize/[email protected] module.

How has this issue affected you? What are you trying to accomplish?

Makes running Angular 12 projects a bit annoying.

To Reproduce

1. Run the following demo https://codesandbox.io/s/wonderful-driscoll-0uz7mo?file=/src/polyfills.ts
2. Hit the reload button a few times
3. Every second run fails with the same error.

[JamesACS]

Hey @tapopov - I'm getting this error while running the Sandbox: Failed to execute 'importScripts' on 'WorkerGlobalScope': The script at 'https://unpkg.com/[email protected]/lib/typescript.js' failed to load.

Have you made any changes?