RESOLVED FIXED 159800
GeneratorFunction source code does not include star 
https://bugs.webkit.org/show_bug.cgi?id=159800
Summary GeneratorFunction source code does not include star
Alexey Shvayka
Reported 2016-07-14 20:02:03 PDT
I am working on robust generator function detection solution, and it seems like checking the result of `Function#toString` is clear winner here: `GeneratorFunction` [[Prototype]] can be changed, `.prototype` can be replaced etc. However, WebKit Nightly (build 203240) does not include * in generators functions code. Other browsers (FF Nightly, Chrome Canary) do include star and even normalize spacing after `function` keyword (remove it). For the sake of web compatibility and coming `Function#toString` revision (https://github.com/tc39/Function-prototype-toString-revision), it would be great to match other browsers.
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Alexey Shvayka
Comment 1 2019-06-01 14:23:15 PDT
As of build 246014, `Function#toString` works correctly with generator functions.
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