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Yoast
Internet Explorer 11: standalone demo app doesn't work
Explanation
The standalone demo app http://localhost:3333/ doesn't work with Internet Explorer 11 because of some obscure (IE11 doesn't help) JS errors.
Especially relevant when there's the need to test components in IE 11.
Screenshots:
Obscure error:
Clicking the error line leads to a long base64 encoded string:
Which seems related to the parse5 package formatting-element-list:
Debugging on IE 11 is terrible and didn't spend more time on this. Just tried with an exclusion process and removing these components from the app demo makes IE11 happy:
- KeywordExample
- SnippetEditor
- LinkSuggestionsWrapper
Wild guess: some npm package used in all these three components has issues with IE11.
I do realize this isn't a priority, however at the moment testing the component on IE11 is not possible.
Technical decisions
Feedback?
Probably parse5 needs to be transpiled? See https://github.com/inikulin/parse5/issues/252
/Cc @atimmer 👋
Still an issue and, for example, I can't test https://github.com/Yoast/javascript/pull/376 with IE11.
Not sure who's the best person to ping 🙂