fix(span)!: SourceType::from_path(".js") return js instead of jsx

[Boshen]

closes #11020

Previously SourceType::from_path(".js") treats a .js file as .jsx
to maximize parse rate for the linter.

Force the .jsx change in the linter instead of a generic solution for SourceType::from_path.

[Boshen]

• fix(span)!: SourceType::from_path(".js") return js instead of jsx #11038 👈 (View in Graphite)
• main

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[Copilot]

Pull Request Overview

This PR updates how SourceType::from_path classifies .js files as standard JavaScript rather than JSX, and moves the forced JSX promotion into the linter’s runtime. It also refreshes related tests and snapshots and adds a new fixture/test for JS treated as JSX.

• Refactor SourceType mapping to treat only .jsx/.tsx as JSX and all others (including .js) as standard.
• In the linter runtime, force .js files to parse as JSX via with_jsx(true).
• Update tests, snapshots, and add a new js_and_jsx test and fixture.

Reviewed Changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
crates/oxc_span/src/source_type.rs	Adjusted extension-to-variant mapping in From<FileExtension>
crates/oxc_span/src/source_type.rs (tests)	Updated assertions for js, mjs, cjs to is_javascript
crates/oxc_linter/src/service/runtime.rs	Added logic to force .js parsing as JSX; contains a typo in comment
apps/oxlint/src/snapshots/_fixtures__linter@*.snap	Updated snapshot counts and added new JS/JSX fixture output
apps/oxlint/src/snapshots/[email protected]	New snapshot for the js_and_jsx test
apps/oxlint/src/lint.rs	Added js_and_jsx test, but path mismatches the fixture name
apps/oxlint/fixtures/linter/js_as_jsx.js	New fixture (name mismatch with test)

[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #11038 will not alter performance

_{Comparing 05-14-fix_span_sourcetype_from_path_.js_return_js_instead_of_jsx (00dcece) with main (7ad6cf8)}

Summary

✅ 36 untouched benchmarks

[graphite-app]

Merge activity

• May 14, 11:26 AM EDT: Graphite disabled "merge when ready" on this PR due to: a merge conflict with the target branch; resolve the conflict and try again..
• May 14, 11:27 AM EDT: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• May 14, 11:27 AM EDT: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• May 14, 11:29 AM EDT: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.

[Dunqing]

Nice! Just curious why it affects *.tsx benchmark