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# Oxc Module Lexer This is not a lexer. The name "lexer" is used for easier recognition. ## [es-module-lexer](https://github.com/guybedford/es-module-lexer) Outputs the list of exports and locations of import specifiers, including dynamic import and import meta handling. Does not have any [limitations](https://github.com/guybedford/es-module-lexer?tab=readme-ov-file#limitations) mentioned in `es-module-lexer`. I'll also work on the following cases to make this feature complete. - [ ] get imported variables https://github.com/guybedford/es-module-lexer/issues/163 - [ ] track star exports as imports as well https://github.com/guybedford/es-module-lexer/issues/76 - [ ] TypeScript specific syntax - [ ] TypeScript `type` import / export keyword ## [cjs-module-lexer](https://github.com/nodejs/cjs-module-lexer) - [ ] TODO ## Benchmark This is 2 times slower than `es-module-lexer`, but will be significantly faster when TypeScript is processed. The difference is around 10ms vs 20ms on a large file (700k). |
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Oxc Module Lexer
This is not a lexer. The name "lexer" is used for easier recognition.
es-module-lexer
Outputs the list of exports and locations of import specifiers, including dynamic import and import meta handling.
Does not have any limitations mentioned in es-module-lexer.
- get imported variables https://github.com/guybedford/es-module-lexer/issues/163
- track star exports as imports as well https://github.com/guybedford/es-module-lexer/issues/76
- TypeScript specific syntax
- TypeScript
typeimport / export keyword
cjs-module-lexer
- TODO
Benchmark
This is 2 times slower than es-module-lexer, but will be significantly faster when TypeScript is processed.
The difference is around 10ms vs 20ms on a large file (700k).