document module lexer

src/docs/guide/usage/parser.md

@@ -15,8 +15,9 @@ The Rust crate `oxc_parser` is production ready.
 ## Features
 
 - 3x faster than swc parser ([benchmark][url-benchmark]).
-- parses `.js(x)` and `.ts(x)`.
-- passes all parser tests from Test262 and 99% from Babel and TypeScript.
+- Parses `.js(x)` and `.ts(x)`.
+- Passes all parser tests from Test262 and 99% from Babel and TypeScript.
+- Utility for extracting ESM import and export data - a better [`es-module-lexer`](https://github.com/guybedford/es-module-lexer).
 - [✅ works with checker.ts](https://x.com/robpalmer2/status/1805502964435505559)
 
 ## Installation
@@ -31,6 +32,11 @@ Rust usage example can be found [here](https://github.com/oxc-project/oxc/blob/m
 
 Use the experimental node binding [oxc-parser][url-oxc-parser-npm].
 
+### ESM Module Lexer
+
+- Use the npm package `oxc-parser` with the API `moduleLexerSync`.
+- Use the crate [oxc_module_lexer](https://crates.io/crates/oxc_module_lexer).
+
 <!-- Links -->
 
 [url-swc]: https://swc.rs