fix(parser): fix rhs precedence while parsing PrivateInExpression

[Boshen]

fixes #10839

class Foo {
  #name: string;
  f() { #name in other && this.#name === other.#name }
                 ^^^^^ rhs is only this part
}

RelationalExpression[In, Yield, Await] :
  [+In] PrivateIdentifier in ShiftExpression[?Yield, ?Await]

[Boshen]

• feat(parser): accessor modifier cannot be used with readonly and declare modifier. #10870
• fix(parser): fix rhs precedence while parsing PrivateInExpression #10866 👈 (View in Graphite)
• main

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[Copilot]

Pull Request Overview

This PR fixes a parsing bug in the handling of PrivateInExpression by adjusting the right-hand side operator precedence.

• Changes the precedence argument in parse_binary_expression_or_higher from Precedence::Lowest to Precedence::Compare in the parser.
• Adds an integration test to validate the correct parsing of expressions involving private identifiers.

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
crates/oxc_parser/src/js/expression.rs	Updates parser behavior for PrivateInExpression precedence handling
crates/oxc_codegen/tests/integration/ts.rs	Adds integration test to verify the updated behavior

[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #10866 will not alter performance

_{Comparing 05-07-fix_parser_fix_rhs_precedence_while_parsing_privateinexpression_ (2c05fa1) with main (805735b)}

Summary

✅ 36 untouched benchmarks

[graphite-app]

Merge activity

• May 7, 10:24 AM EDT: Boshen added this pull request to the Graphite merge queue.
• May 7, 10:51 AM EDT: Merged by the Graphite merge queue.