[Webkit-unassigned] [Bug 173295] [Fetch API] TypeError when called with body === {}

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=173295

--- Comment #6 from Chris Dumez <cdumez at apple.com> ---
(In reply to youenn fablet from comment #5)
> (In reply to Aleksandr Motsjonov from comment #4)
> > I think I found what was the problem. We were setting body === {}.
> > As soon as I removed "body" property for the second argument in these cases
> > - it started working again.
> > 
> > It seems like you guys are ok within requirements:
> > 
> > > body: Any body that you want to add to your request: this can be a Blob, BufferSource, FormData, URLSearchParams, or USVString object. Note that a request using the GET or HEAD method cannot have a body.
> > 
> > But error message could be more descriptive. + the fact all other browsers
> > work with actual object didn't help =)
> > 
> > I think this can be closed if you decide so.
> 
> Since other browsers are not doing the same, there should be some more
> investigation on our side.
> Is it possible that passing {} will convert it to a USVString?
> 
> Now that the binding generator has good support for unions, we should
> probably update FetchRequest implementation to use it directly.

I was going to help but then noticed FetchRequest is using a JSBuiltinConstructor :(

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