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TypeError: Super expression must either be null or a function #139

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am1rb opened this issue Sep 27, 2021 · 0 comments
Open

TypeError: Super expression must either be null or a function #139

am1rb opened this issue Sep 27, 2021 · 0 comments

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@am1rb
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am1rb commented Sep 27, 2021

Hey everyone

I have a react app written in TS and used gif.js for generating some GIF images.
It compiles and works well, but when I run the unit tests using the jest command, it raises this error:

TypeError: Super expression must either be null or a function

Any advice?
am1rb added a commit to am1rb/gif.js that referenced this issue Sep 27, 2021
@am1rb
Update the main and address correct output file
d728f55 
Resolve "TypeError: Super expression must either be null or a function" for jest test runner
jnordberg#139
@am1rb am1rb mentioned this issue Sep 27, 2021
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