Branch: refs/heads/webkitglib/2.50
Home: https://github.com/WebKit/WebKit
Commit: 8ffe921236da0429163e95d75fb44a92d9cbceb2
https://github.com/WebKit/WebKit/commit/8ffe921236da0429163e95d75fb44a92d9cbceb2
Author: Razvan Caliman <[email protected]>
Date: 2025-10-08 (Wed, 08 Oct 2025)
Changed paths:
M
LayoutTests/inspector/formatting/resources/javascript-tests/for-statements-expected.js
M
LayoutTests/inspector/formatting/resources/javascript-tests/for-statements.js
M Source/WebInspectorUI/UserInterface/Workers/Formatter/JSFormatter.js
Log Message:
-----------
Cherry-pick 301197@main (0a0601825925).
https://bugs.webkit.org/show_bug.cgi?id=298821
Web Inspector: Can't view js file on reddit.com
https://bugs.webkit.org/show_bug.cgi?id=298821
rdar://160617913
Reviewed by BJ Burg and Devin Rousso.
The current checkout of esprima-next used by Web Inspector does not
immediately identify
a statement like `for(;x?.y;){}` as a ForStatement. This leads to an
unhandled exception
when attempting to accesss the `range` member of its test condition.
This occurs when the `for` statement 1) does not have an initializer and
2) its test condition is an optional chaining expression.
According to the Esprima documentation, the `range` member is an optional
member:
https://docs.esprima.org/en/stable/syntax-tree-format.html?highlight=ForStatement#for-statement
This patch guards for this, checking that `range` exists before using it.
*
LayoutTests/inspector/formatting/resources/javascript-tests/for-statements-expected.js:
(c.d.1):
*
LayoutTests/inspector/formatting/resources/javascript-tests/for-statements.js:
(c.d.1):
Add tests for `for` with optional chaining expressions.
* Source/WebInspectorUI/UserInterface/Workers/Formatter/JSFormatter.js:
(JSFormatter.prototype._handleTokenAtNode):
When the test condition of a ForStatement is an optional chaining
expression,
its `test` member doesn't have a `range`. Instead, it has an `expression`
which itself has a `range`.
Canonical link: https://commits.webkit.org/301197@main
Canonical link: https://commits.webkit.org/298234.184@webkitglib/2.50
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