oxc-project__oxc/tasks/coverage/misc/pass/class-field-comma-expression.js at codex/parser-grouped-expression-allocation - oxc-project__oxc - GetSkill.work

skills/oxc-project__oxc

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Cameron 12937b3201 fix(parser): reject comma expressions in class fields (#25385 )

## Summary

- parse ordinary class field initializers as `AssignmentExpression`
- reject unparenthesized comma expressions while preserving
parenthesized sequence expressions
- add paired misc conformance fixtures and update the generated
snapshots

## Root cause

Ordinary class field initializers used `parse_expr`, which accepts a
top-level comma and constructs a sequence expression. The ECMAScript
`Initializer` grammar requires an `AssignmentExpression`, so the
unparenthesized comma must remain for the class-element terminator check
to reject.

2026-08-08 10:59:23 +00:00

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class C { x = (a,b) }