Update Fetch code to provide more useful exception messages

[Chris Dumez]

Update Fetch code to provide more useful exception messages.

[Chris Dumez]

Created attachment 341915 [details]
Patch

[Chris Dumez]

Created attachment 341920 [details]
Patch

[youenn fablet]

Comment on attachment 341920 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=341920&action=review

> Source/WebCore/Modules/fetch/FetchHeaders.cpp:41
> +        return Exception { TypeError, makeString("Invalid header value: '", value, "'") };

Might be nice to give the header name as well?

> Source/WebCore/workers/service/context/ServiceWorkerFetch.cpp:49
> +        client->didFail(ResourceError { errorDomainWebKitInternal, 0, URL(), ASCIILiteral("Response is null") });

We should try to get more interesting error messages here, based on the rejected promise value for instance.
I can add this as a follow-up.

> Source/WebKit/StorageProcess/ServiceWorker/WebSWServerConnection.cpp:259
> +void WebSWServerConnection::didFailFetch(FetchIdentifier fetchIdentifier, ResourceError&& error)

Can probably be a const ResourceError& given it is only used by Messages::ServiceWorkerClientFetch::DidFail

[Chris Dumez]

Created attachment 341923 [details]
Patch

[WebKit Commit Bot]

Comment on attachment 341923 [details]
Patch

Rejecting attachment 341923 [details] from commit-queue.

Failed to run "['/Volumes/Data/EWS/WebKit/Tools/Scripts/webkit-patch', '--status-host=webkit-queues.webkit.org', '--bot-id=webkit-cq-03', 'validate-changelog', '--check-oops', '--non-interactive', 341923, '--port=mac']" exit_code: 1 cwd: /Volumes/Data/EWS/WebKit

ChangeLog entry in Source/WebKit/ChangeLog contains OOPS!.

Full output: http://webkit-queues.webkit.org/results/7983650

[Chris Dumez]

Created attachment 341928 [details]
Patch

[WebKit Commit Bot]

Comment on attachment 341928 [details]
Patch

Clearing flags on attachment: 341928

Committed r232484: <https://trac.webkit.org/changeset/232484>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.

[Radar WebKit Bug Importer]

<rdar://problem/40785465>