[webkit-changes] [WebKit/WebKit] 57c8f3: The HTMLPreloadScanner should not preload scripts ...

[Chris Dumez]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 57c8f39eb66bd91bed113fe08c5264d0fd94b95d
      https://github.com/WebKit/WebKit/commit/57c8f39eb66bd91bed113fe08c5264d0fd94b95d
  Author: Chris Dumez <cdumez at apple.com>
  Date:   2023-06-16 (Fri, 16 Jun 2023)

  Changed paths:
    M LayoutTests/TestExpectations
    M LayoutTests/imported/w3c/web-platform-tests/html/syntax/speculative-parsing/generated/document-write/script-src-unsupported-type.tentative.sub-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/html/syntax/speculative-parsing/generated/page-load/script-src-unsupported-type.tentative-expected.txt
    M Source/WebCore/dom/ScriptElement.cpp
    M Source/WebCore/dom/ScriptElement.h
    M Source/WebCore/html/parser/HTMLPreloadScanner.cpp

  Log Message:
  -----------
  The HTMLPreloadScanner should not preload scripts with unsupported types
https://bugs.webkit.org/show_bug.cgi?id=258159

Reviewed by Darin Adler and Ryosuke Niwa.

The HTMLPreloadScanner should not preload scripts with unsupported types
to avoid wasting resources unnecessarily.

This aligns our behavior with Chrome and Firefox.

* LayoutTests/TestExpectations:
* LayoutTests/imported/w3c/web-platform-tests/html/syntax/speculative-parsing/generated/document-write/script-src-unsupported-type.tentative.sub-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/html/syntax/speculative-parsing/generated/page-load/script-src-unsupported-type.tentative-expected.txt:
* Source/WebCore/html/parser/HTMLPreloadScanner.cpp:
(WebCore::TokenPreloadScanner::StartTagScanner::processAttribute):
(WebCore::TokenPreloadScanner::StartTagScanner::shouldPreload):

Canonical link: https://commits.webkit.org/265247@main