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chai 4.3.5+ doesn't work on IE10 because WeakMap #1464

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felix9 opened this issue Apr 15, 2022 · 1 comment
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chai 4.3.5+ doesn't work on IE10 because WeakMap #1464

felix9 opened this issue Apr 15, 2022 · 1 comment

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@felix9
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felix9 commented Apr 15, 2022

chai 4.3.5 uses loupe, which has an unconditional use of new WeakMap(), which doesn't exist on IE10.

I realize that IE10 support is probably not something anyone cares about today, so I don't expect this to get fixed :)

chai 4.3.4 still works on IE10, for anyone else who runs into this problem.
@koddsson
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Yeah it's extremely difficult for us to test on Internet Explorer and hasn't been supported by Microsoft for some time.

https://blogs.windows.com/windowsexperience/2022/06/15/internet-explorer-11-has-retired-and-is-officially-out-of-support-what-you-need-to-know/

@koddsson koddsson closed this as not planned Won't fix, can't repro, duplicate, stale Jan 26, 2024
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