feat(parser): add friendly error for adjacent JSX elements#23378
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sapphi-red
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Jun 13, 2026
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Add a friendly error for adjancent JSX element case: ``` × Adjacent JSX elements must be wrapped in an enclosing tag. ╭─[misc/fail/jsx-adjacent-elements.jsx:3:3] 2 │ <div /> 3 │ <span /> · ─ 4 │ ); ╰──── help: Did you want a JSX fragment `<>...</>`? ``` This error message exists in babel.
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Boshen
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Jun 18, 2026
### 💥 BREAKING CHANGES - 7a76cd3 estree: [**BREAKING**] Make whether to include TS fields a runtime option (#23574) (overlookmotel) - e7b6b68 estree: [**BREAKING**] `ESTree` config use methods not consts (#23573) (overlookmotel) ### 🚀 Features - 556cc6d data_structures: Add `CodeBuffer::as_str` method (#23571) (overlookmotel) - 38c4b06 parser: Add friendly error for adjacent JSX elements (#23378) (sapphi-red) - 53509a8 minifier: Treeshake pure typed arrays and Set/Map array literals (#23469) (Dunqing) - 09762d9 minifier: Inline const value for read-only vars (#22593) (Dunqing) ### 🐛 Bug Fixes - 20375f9 react_compiler: Keep imports referenced only by a computed key (#23586) (Boshen) - 31bfd9b minifier: Keep Object introspection calls on a possible Proxy (#23483) (Dunqing) - 837a395 parser: Treat a line comment after ':' as leading, not trailing (#23515) (Dunqing) - e409fe0 minifier: Keep `new Map`/`WeakSet`/`WeakMap` with a string argument (#23470) (Dunqing) - ae02b4e ci/parser: Use `minimal` for vitest reporter (#23457) (camc314) ### ⚡ Performance - cf24329 mangler: Compile slot sort once instead of per CAPACITY (#23577) (Boshen) - 4058a6a parser: Reduce code bloat from verify_modifiers monomorphization (#23576) (Boshen) - 053b0c1 estree: Remove pointless `mem::take` (#23572) (overlookmotel) - dfb52b6 transformer: Pre-size statement vecs in TS enum & namespace lowering (#23516) (Yunfei He) - 970e09a minifier: Compute template-literal inline checks in a single pass (#23467) (Yunfei He) - 3170c0e semantic,mangler,minifier: Fix `Semantic::stats` node count and reuse stats in mangler builds (#23352) (Boshen) - d1fa6e0 minifier: Evaluate ternary branches once in minimize_conditional_expression (#23479) (Yunfei He) - 3fa8051 transformer: Pre-size JSX props vec to attribute count (#23466) (Yunfei He) - 488b382 react_compiler: Borrow binding names in prefilter instead of allocating (#23471) (Yunfei He) - bcb3894 minifier: Incremental scoping refresh, delete LiveUsageCollector (#23197) (Dunqing) ### 📚 Documentation - f68641e data_structures: Improve docs on safety contract (#23575) (overlookmotel) Co-authored-by: Boshen <1430279+Boshen@users.noreply.github.com>
camc314
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Jul 3, 2026
Add a friendly error for adjancent JSX element case: ``` × Adjacent JSX elements must be wrapped in an enclosing tag. ╭─[misc/fail/jsx-adjacent-elements.jsx:3:3] 2 │ <div /> 3 │ <span /> · ─ 4 │ ); ╰──── help: Did you want a JSX fragment `<>...</>`? ``` This error message exists in babel.
camc314
pushed a commit
that referenced
this pull request
Jul 3, 2026
### 💥 BREAKING CHANGES - 7a76cd3 estree: [**BREAKING**] Make whether to include TS fields a runtime option (#23574) (overlookmotel) - e7b6b68 estree: [**BREAKING**] `ESTree` config use methods not consts (#23573) (overlookmotel) ### 🚀 Features - 556cc6d data_structures: Add `CodeBuffer::as_str` method (#23571) (overlookmotel) - 38c4b06 parser: Add friendly error for adjacent JSX elements (#23378) (sapphi-red) - 53509a8 minifier: Treeshake pure typed arrays and Set/Map array literals (#23469) (Dunqing) - 09762d9 minifier: Inline const value for read-only vars (#22593) (Dunqing) ### 🐛 Bug Fixes - 20375f9 react_compiler: Keep imports referenced only by a computed key (#23586) (Boshen) - 31bfd9b minifier: Keep Object introspection calls on a possible Proxy (#23483) (Dunqing) - 837a395 parser: Treat a line comment after ':' as leading, not trailing (#23515) (Dunqing) - e409fe0 minifier: Keep `new Map`/`WeakSet`/`WeakMap` with a string argument (#23470) (Dunqing) - ae02b4e ci/parser: Use `minimal` for vitest reporter (#23457) (camc314) ### ⚡ Performance - cf24329 mangler: Compile slot sort once instead of per CAPACITY (#23577) (Boshen) - 4058a6a parser: Reduce code bloat from verify_modifiers monomorphization (#23576) (Boshen) - 053b0c1 estree: Remove pointless `mem::take` (#23572) (overlookmotel) - dfb52b6 transformer: Pre-size statement vecs in TS enum & namespace lowering (#23516) (Yunfei He) - 970e09a minifier: Compute template-literal inline checks in a single pass (#23467) (Yunfei He) - 3170c0e semantic,mangler,minifier: Fix `Semantic::stats` node count and reuse stats in mangler builds (#23352) (Boshen) - d1fa6e0 minifier: Evaluate ternary branches once in minimize_conditional_expression (#23479) (Yunfei He) - 3fa8051 transformer: Pre-size JSX props vec to attribute count (#23466) (Yunfei He) - 488b382 react_compiler: Borrow binding names in prefilter instead of allocating (#23471) (Yunfei He) - bcb3894 minifier: Incremental scoping refresh, delete LiveUsageCollector (#23197) (Dunqing) ### 📚 Documentation - f68641e data_structures: Improve docs on safety contract (#23575) (overlookmotel) Co-authored-by: Boshen <1430279+Boshen@users.noreply.github.com>
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Add a friendly error for adjancent JSX element case:
This error message exists in babel.