fix(linter/jsx-curly-brace-presence): flag empty string literals#20690
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Pull request overview
This PR fixes react/jsx-curly-brace-presence so that empty string literals wrapped in JSX expression containers (e.g. {""}) are flagged and auto-fixed when configured with { props: "never", children: "never" }, matching ESLint behavior and addressing #20688.
Changes:
- Stop treating empty strings as “allowed whitespace” in JSX expression containers, so
{""}is no longer exempted. - Simplify the “line break” allowance logic so it no longer implicitly treats empty/trim-empty strings as allowed.
- Add regression tests and update the snapshot output for the new diagnostics/fixes.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
| crates/oxc_linter/src/rules/react/jsx_curly_brace_presence.rs | Updates allowance predicates so empty string literals in {...} are reported/fixed under never modes; adds new test + fix cases. |
| crates/oxc_linter/src/snapshots/react_jsx_curly_brace_presence.snap | Updates expected diagnostic output for the new {""} cases. |
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# Oxlint ### 💥 BREAKING CHANGES - c0ebbce linter: [**BREAKING**] Report error on unknown builtin rule (#20464) (camc314) ### 🚀 Features - 04f85e5 linter/no-unused-vars: Add safe-fix option for import fixes (#20839) (Marcell Toth) - 32a3706 linter/eslint-vitest-plugin: Implements `require-test-timeout` rule (#20806) (Said Atrahouch) - ae03653 linter: Implement suggestion for `eslint/no-useless-computed-key` rule (#20805) (Mikhail Baev) - 6624513 linter/prefer-string-starts-ends-with: Move rule from nursery to style (#20797) (camc314) - 58941f8 linter/prefer-readonly: Move rule from nursery to style (#20796) (camc314) - 8837ffd linter/prefer-regexp-exec: Move rule from nursery to style (#20795) (camc314) - 7e88871 linter/prefer-find: Move rule out of nursery (#20794) (camc314) - ca6e5bc linter/vitest: Implement prefer-called-exactly-once-with (#17562) (Said Atrahouch) - e80c0bf linter/eslint-plugin-vitest: Implement `require-mock-type-parameters` (#20785) (Said Atrahouch) - cec8b8f linter/vitest: Implement require-awaited-expect-poll rule (#20702) (Said Atrahouch) - d8e9d01 linter/eslint-plugin-vitest: Set `prefer-to-have-been-called-times` compatible with jest (#20703) (Said Atrahouch) - caf8231 linter: Enhance import plugin diagnostics with help messages (#20766) (离谱) - f44adfa linter: Improve the oxlint config generated by `--init`. (#20632) (connorshea) - 43f4827 linter: Add help text to jest and promise diagnostics (#20640) (kszongic) - 16516de linter: Enhance types for `DummyRule` (#20751) (camc314) - 27374e8 linter: Add hint about node version when ts config fail to import (#20570) (camc314) - 8e34150 linter/eslint-plugin-vitest: Sync rule with JS implementation (#20679) (Said Atrahouch) ### 🐛 Bug Fixes - df057d5 linter/no-noninteractive-tabindex: Add missing composite widget … (#20860) (bab) - bb34073 linter: Mark vitest/valid-title as a compatible jest rules (#20463) (Nicolas Le Cam) - bd2c76b linter: Handle shadowed locals in no-restricted-globals (#20811) (Ulrich Stark) - 62e39be linter: Sort nested object keys in fix of `eslint/sort-keys` in one pass (#20838) (Ulrich Stark) - 3ef37da oxlint/lsp: Error on unknown command (#20841) (Sysix) - ab1070d oxlint/cli: Skip parsing base config again for nested config search (#20809) (Sysix) - 2be3728 oxlint/lsp: Skip parsing base config again for nested config search (#20808) (Sysix) - 6171217 oxlint: Respect `NO_COLOR` env for `format=stylish` (#20804) (Sysix) - d89ae8f linter/plugins: Patch `WeakMap` to emulate `WeakMap`s keyed by `sourceCode` (#20799) (overlookmotel) - c610666 linter/no-shadow: Respect env settings when builtinGlobals is enabled (#20429) (vvnikita74) - 6bb502f linter/no-invalid-void-type: Allow void generic args in heritage clauses (#20780) (camc314) - 365bb7d linter: Skip typed nested literals in explicit-module-boundary-types (#20776) (camc314) - 0aa1ff0 linter/plugins: Ensure `after` hook is always called in ESLint compat mode (#20721) (overlookmotel) - 31145a9 linter/plugins: Fire `after` hook after CFG events in ESLint compat (#20720) (overlookmotel) - c09a5ab diagnostics: Skip minified fallback for single-line reporters (#20716) (camc314) - e4dc9a1 linter: Isolate `--init` config writes from parallel tests (#20717) (camc314) - 7e394ec linter: Clarify empty replacement fixer help text (#20698) (camc314) - d15a99c linter/jsx-curly-brace-presence: Flag empty string literals (#20690) (camc314) ### 📚 Documentation - c722495 linter: Update JS Plugins + LS references (#20843) (camc314) - e1f9748 linter/jsdoc/require-property: Fix typo (#20792) (Benjaming61001) - be3dcc1 linter: Add note about node version + custom TS plugin (#19381) (camc314) # Oxfmt ### 🚀 Features - 6ef440a oxfmt: Support bool for object style options (#20853) (leaysgur) - 23050fa oxfmt: Support markdown-in-js substitution (#20683) (leaysgur) - 4087295 oxfmt: Support angular-in-js substitution (#20676) (leaysgur)
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fixes #20688