feat(parser): improve error message for missing function body#15726
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Improved the error message for missing function bodies.
**Before**
```
x Unexpected token
,-[:1:15]
1 | function foo();
: ^
`----
```
**After**
```
× Expected function body
╭─[typescript/tests/cases/compiler/jsFileCompilationFunctionOverloadSyntax.ts:1:1]
1 │ function foo();
· ──────────────
╰────
help: Add a function body (`{}`).
```
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### 💥 BREAKING CHANGES - ea51b0b napi: [**BREAKING**] Standardize function naming with sync suffixes (#15661) (Boshen) ### 🚀 Features - 77efb76 parser: Improve error message for invalid switch clauses (#15728) (sapphi-red) - 5691727 parser: Improve `import source` `from` error message (#15727) (sapphi-red) - b7404bc parser: Improve error message for missing function body (#15726) (sapphi-red) - 71c2fb0 parser: Improve error message when JSX is found while not enabled (#15725) (sapphi-red) - 56e7e44 minifier: Disable removal of unnecessary `use strict` directives for DCE (#15691) (sapphi-red) - 8a61cfd allocator, ast: Introduce `UnstableAddress` trait (#15700) (overlookmotel) - f5ce55a napi: Export all options using wildcard exports (Boshen) - 68703b9 minifier: Rotate binary expressions to remove parentheses (#15473) (sapphi-red) ### 🐛 Bug Fixes - c023ba6 semantic: Do not duplicate statements in temp `Vec` when binding `TSModuleDeclaration`s (#15724) (overlookmotel) - d60ca81 parser: Reject `import something 'source'` (#15746) (sapphi-red) - e0728fa ast: Exclude comment end position from `is_inside_comment` check (#15753) (camc314) - 9f54a36 semantic: Error on `\00` in strict mode (#15743) (sapphi-red) - 440a977 ast: Include rest properties when using `get_binding_identifiers` (#15710) (camc314) ### ⚡ Performance - 1f09d3c parser: Faster checking for invalid modifiers (#15717) (overlookmotel) - d8d4e31 ast: Use loop instead of recursion in `TSModuleDeclarationBody::as_module_block_mut` (#15713) (overlookmotel) ### 📚 Documentation - e033d50 ast: Clarify behavior of `TSModuleDeclaration::has_use_strict_directive` (#15730) (overlookmotel) - 9eda70f allocator: Improve docs for `Address` methods (#15697) (overlookmotel)
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### 💥 BREAKING CHANGES - ea51b0b napi: [**BREAKING**] Standardize function naming with sync suffixes (#15661) (Boshen) ### 🚀 Features - 77efb76 parser: Improve error message for invalid switch clauses (#15728) (sapphi-red) - 5691727 parser: Improve `import source` `from` error message (#15727) (sapphi-red) - b7404bc parser: Improve error message for missing function body (#15726) (sapphi-red) - 71c2fb0 parser: Improve error message when JSX is found while not enabled (#15725) (sapphi-red) - 56e7e44 minifier: Disable removal of unnecessary `use strict` directives for DCE (#15691) (sapphi-red) - 8a61cfd allocator, ast: Introduce `UnstableAddress` trait (#15700) (overlookmotel) - f5ce55a napi: Export all options using wildcard exports (Boshen) - 68703b9 minifier: Rotate binary expressions to remove parentheses (#15473) (sapphi-red) ### 🐛 Bug Fixes - c023ba6 semantic: Do not duplicate statements in temp `Vec` when binding `TSModuleDeclaration`s (#15724) (overlookmotel) - d60ca81 parser: Reject `import something 'source'` (#15746) (sapphi-red) - e0728fa ast: Exclude comment end position from `is_inside_comment` check (#15753) (camc314) - 9f54a36 semantic: Error on `\00` in strict mode (#15743) (sapphi-red) - 440a977 ast: Include rest properties when using `get_binding_identifiers` (#15710) (camc314) ### ⚡ Performance - 1f09d3c parser: Faster checking for invalid modifiers (#15717) (overlookmotel) - d8d4e31 ast: Use loop instead of recursion in `TSModuleDeclarationBody::as_module_block_mut` (#15713) (overlookmotel) ### 📚 Documentation - e033d50 ast: Clarify behavior of `TSModuleDeclaration::has_use_strict_directive` (#15730) (overlookmotel) - 9eda70f allocator: Improve docs for `Address` methods (#15697) (overlookmotel)
taearls
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Dec 11, 2025
…oject#15726) Improved the error message for missing function bodies. **Before** ``` x Unexpected token ,-[:1:15] 1 | function foo(); : ^ `---- ``` **After** ``` × Expected function body ╭─[typescript/tests/cases/compiler/jsFileCompilationFunctionOverloadSyntax.ts:1:1] 1 │ function foo(); · ────────────── ╰──── help: Add a function body (`{}`). ```
taearls
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Dec 11, 2025
### 💥 BREAKING CHANGES - ea51b0b napi: [**BREAKING**] Standardize function naming with sync suffixes (oxc-project#15661) (Boshen) ### 🚀 Features - 77efb76 parser: Improve error message for invalid switch clauses (oxc-project#15728) (sapphi-red) - 5691727 parser: Improve `import source` `from` error message (oxc-project#15727) (sapphi-red) - b7404bc parser: Improve error message for missing function body (oxc-project#15726) (sapphi-red) - 71c2fb0 parser: Improve error message when JSX is found while not enabled (oxc-project#15725) (sapphi-red) - 56e7e44 minifier: Disable removal of unnecessary `use strict` directives for DCE (oxc-project#15691) (sapphi-red) - 8a61cfd allocator, ast: Introduce `UnstableAddress` trait (oxc-project#15700) (overlookmotel) - f5ce55a napi: Export all options using wildcard exports (Boshen) - 68703b9 minifier: Rotate binary expressions to remove parentheses (oxc-project#15473) (sapphi-red) ### 🐛 Bug Fixes - c023ba6 semantic: Do not duplicate statements in temp `Vec` when binding `TSModuleDeclaration`s (oxc-project#15724) (overlookmotel) - d60ca81 parser: Reject `import something 'source'` (oxc-project#15746) (sapphi-red) - e0728fa ast: Exclude comment end position from `is_inside_comment` check (oxc-project#15753) (camc314) - 9f54a36 semantic: Error on `\00` in strict mode (oxc-project#15743) (sapphi-red) - 440a977 ast: Include rest properties when using `get_binding_identifiers` (oxc-project#15710) (camc314) ### ⚡ Performance - 1f09d3c parser: Faster checking for invalid modifiers (oxc-project#15717) (overlookmotel) - d8d4e31 ast: Use loop instead of recursion in `TSModuleDeclarationBody::as_module_block_mut` (oxc-project#15713) (overlookmotel) ### 📚 Documentation - e033d50 ast: Clarify behavior of `TSModuleDeclaration::has_use_strict_directive` (oxc-project#15730) (overlookmotel) - 9eda70f allocator: Improve docs for `Address` methods (oxc-project#15697) (overlookmotel)
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Improved the error message for missing function bodies.
Before
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