241558 2022-06-13 10:55:47 -0700 REGRESSION (r251194): Web Inspector: Uncaught exception when inspecting color referenced by CSS variable 2022-06-13 13:19:51 -0700 1 1 1 Unclassified WebKit Web Inspector WebKit Nightly Build All All RESOLVED FIXED InRadar P2 Normal --- 1 rcaliman rcaliman inspector-bugzilla-changes webkit-bug-importer oldest_to_newest 1875564 0 460208 rcaliman 2022-06-13 10:55:47 -0700 Created attachment 460208 Test case Uncaught Exception in Web Inspector. Test case (save as HTML file): ``` <!DOCTYPE html> <body style="--color: red"> <h1 style="color: var(--color)">Inspect my color</h1> </body> ``` Steps to Reproduce: 1. Open the attached test case file 2. Inspect the `<h1>` element's color 3. In the Styles panel, click the swatch next to `var(--color)` to see the resolved color value Uncaught Exceptions: ----------------------- - TypeError: undefined is not an object (evaluating 'this._preventChangingColorFormats') (at InlineSwatch.js:389:127) callback @ InlineSwatch.js:389:127 createCodeMirrorTextMarkers @ CodeMirrorTextMarkers.js:76:25 createCodeMirrorColorTextMarkers @ CodeMirrorTextMarkers.js:121:39 _swatchElementClicked @ InlineSwatch.js:394:45 _swatchElementClicked @ [native code] ----------------------- Regressed by https://bugs.webkit.org/show_bug.cgi?id=241055 1875565 1 webkit-bug-importer 2022-06-13 10:56:26 -0700 <rdar://problem/95039560> 1875567 2 rcaliman 2022-06-13 11:15:08 -0700 Pull request: https://github.com/WebKit/WebKit/pull/1474 1875598 3 ews-feeder 2022-06-13 13:19:49 -0700 Committed r295500 (251505@main): <https://commits.webkit.org/251505@main> Reviewed commits have been landed. Closing PR #1474 and removing active labels. 460208 2022-06-13 10:55:47 -0700 2022-06-13 10:55:47 -0700 Test case variable-color.html text/html 105 rcaliman PCFET0NUWVBFIGh0bWw+Cjxib2R5IHN0eWxlPSItLWNvbG9yOiByZWQiPgo8aDEgc3R5bGU9ImNv bG9yOiB2YXIoLS1jb2xvcikiPkluc3BlY3QgbXkgY29sb3I8L2gxPgo8L2JvZHk+