245415 2022-09-20 01:03:32 -0700 worker and other values are valid keyword for the 'as' property in link preload 2024-05-23 10:28:02 -0700 1 1 1 Unclassified WebKit DOM Safari Technology Preview Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=231150 https://bugs.webkit.org/show_bug.cgi?id=274591 BrowserCompat, InRadar P2 Normal --- 1 karlcow youennf bfulgham cdumez webkit-bug-importer oldest_to_newest 1899745 0 karlcow 2022-09-20 01:03:32 -0700 When a document contains: <link rel="preload" href="main.js" as="worker" /> Safari reports: <link rel=preload> must have a valid `as` value Probably a couple of tests are missing from https://wpt.fyi/results/html/syntax/speculative-parsing/generated/page-load?label=master&label=experimental&aligned&view=subtest&q=preload or https://wpt.fyi/results/fetch/metadata/preload.https.sub.html?label=master&label=experimental&aligned&view=subtest&q=preload or in https://wpt.fyi/results/preload/reflected-as-value.html?label=master&label=experimental&aligned&view=subtest&q=preload The fetch spec definition: https://fetch.spec.whatwg.org/#concept-request-destination > A request has an associated destination, which is the empty string, "audio", "audioworklet", "document", "embed", "font", "frame", "iframe", "image", "manifest", "object", "paintworklet", "report", "script", "serviceworker", "sharedworker", "style", "track", "video", "worker", or "xslt". Unless stated otherwise it is the empty string. > > A request’s destination is script-like if it is "audioworklet", "paintworklet", "script", "serviceworker", "sharedworker", or "worker". It seems there are a couple of values which are not defined such as video for example. 1899747 1 karlcow 2022-09-20 01:15:51 -0700 It seems to be defined in https://searchfox.org/wubkat/source/Source/WebCore/html/HTMLLinkElement.cpp#236-253 1899748 2 webkit-bug-importer 2022-09-20 01:16:35 -0700 <rdar://problem/100161255> 1899749 3 karlcow 2022-09-20 01:21:02 -0700 Error message is coming from https://searchfox.org/wubkat/rev/98b6bc461792c83386d8a7bb26363c41fc42f77e/Source/WebCore/loader/LinkLoader.cpp#235-240 1901994 4 karlcow 2022-09-29 02:22:42 -0700 Related https://github.com/whatwg/html/issues/8332 1905554 5 youennf 2022-10-14 00:44:26 -0700 Pull request: https://github.com/WebKit/WebKit/pull/5367 1906413 6 ews-feeder 2022-10-18 01:38:51 -0700 Committed 255669@main (e53707dae94c): <https://commits.webkit.org/255669@main> Reviewed commits have been landed. Closing PR #5367 and removing active labels.