Bug 294183 – Web Inspector: Uncaught Exception: TypeError: undefined is not an object (evaluating 'node.endPosition.isBefore')

• Component: Web Inspector
• Status: RESOLVED FIXED

[Devin Rousso]

i think this has something to do with when there's multiple optional chaining operators in a row (e.g. `x?.y?.z`)

Uncaught Exceptions:
-----------------------
 - TypeError: undefined is not an object (evaluating 'node.endPosition.isBefore') (at ScriptSyntaxTree.js:117:33)
    filterForNodesInRange @ ScriptSyntaxTree.js:117:33
    _recurse @ ScriptSyntaxTree.js:308:17
    _recurse @ ScriptSyntaxTree.js:385:26
    _recurseArray @ ScriptSyntaxTree.js:547:26
    _recurse @ ScriptSyntaxTree.js:328:31
    _recurse @ ScriptSyntaxTree.js:382:26
    _recurseArray @ ScriptSyntaxTree.js:547:26
    _recurse @ ScriptSyntaxTree.js:343:31
    _recurse @ ScriptSyntaxTree.js:363:26
    _recurseArray @ ScriptSyntaxTree.js:547:26
    _recurse @ ScriptSyntaxTree.js:328:31
    _recurse @ ScriptSyntaxTree.js:382:26
    _recurse @ ScriptSyntaxTree.js:342:26
    _recurse @ ScriptSyntaxTree.js:363:26
    _recurseArray @ ScriptSyntaxTree.js:547:26
    _recurse @ ScriptSyntaxTree.js:414:31
    forEachNode @ ScriptSyntaxTree.js:59:22
    filterByRange @ ScriptSyntaxTree.js:135:25
    insertAnnotations @ TypeTokenAnnotator.js:61:61
    resume @ Annotator.js:62:31
    ? @ SourceCodeTextEditor.js:2356:52
-----------------------

[Devin Rousso]

Pull request: https://github.com/WebKit/WebKit/pull/46479

[EWS]

Committed 296072@main (c8f955b60752): <https://commits.webkit.org/296072@main>

Reviewed commits have been landed. Closing PR #46479 and removing active labels.

[Radar WebKit Bug Importer]

<rdar://problem/153024534>