README.md

@@ -6,6 +6,8 @@ A JS module syntax lexer used in [es-module-shims](https://github.com/guybedford
 
 Outputs the list of exports and locations of import specifiers, including dynamic import and import meta handling.
 
+Supports new syntax features including import attributes and source phase imports.
+
 A very small single JS file (4KiB gzipped) that includes inlined Web Assembly for very fast source analysis of ECMAScript module syntax only.
 
 For an example of the performance, Angular 1 (720KiB) is fully parsed in 5ms, in comparison to the fastest JS parser, Acorn which takes over 100ms.
@@ -20,6 +22,8 @@ _Comprehensively handles the JS language grammar while remaining small and fast.
 npm install es-module-lexer
 ```
 
+See [types/lexer.d.ts](types/lexer.d.ts) for the type definitions.
+
 For use in CommonJS:
 
 ```js
@@ -60,6 +64,10 @@ import { init, parse } from 'es-module-lexer';
     // Comments provided to demonstrate edge cases
     import /*comment!*/ (  'asdf', { assert: { type: 'json' }});
     import /*comment!*/.meta.asdf;
+
+    // Source phase imports:
+    import source mod from './mod.wasm';
+    import.source('./mod.wasm);
   `;
 
   const [imports, exports] = parse(source, 'optional-sourcename');
@@ -98,10 +106,10 @@ import { init, parse } from 'es-module-lexer';
   // Returns -1
   exports[2].le;
 
-  // Dynamic imports are indicated by imports[2].d > -1
-  // In this case the "d" index is the start of the dynamic import bracket
+  // Import type is provided by `t` value
+  // (1 for static, 2, for dynamic)
   // Returns true
-  imports[2].d > -1;
+  imports[2].t == 2;
 
   // Returns "asdf" (only for string literal dynamic imports)
   imports[2].n
@@ -128,6 +136,13 @@ import { init, parse } from 'es-module-lexer';
   // Returns "import /*comment!*/.meta"
   source.slice(imports[4].s, imports[4].e);
   // ss and se are the same for import meta
+
+  // Returns "'./mod.wasm'"
+  source.slice(imports[5].s, imports[5].e);
+
+  // Import type 4 and 5 for static and dynamic source phase
+  imports[5].t === 4;
+  imports[6].t === 5;
 })();
 ```
 

chompfile.toml

@@ -96,7 +96,7 @@ deps = ['src/lexer.h', 'src/lexer.c']
 run = """
 	${{ WASI_PATH }}/bin/clang src/lexer.c --sysroot=${{ WASI_PATH }}/share/wasi-sysroot -o lib/lexer.wasm -nostartfiles \
 	"-Wl,-z,stack-size=13312,--no-entry,--compress-relocations,--strip-all,\
-	--export=parse,--export=sa,--export=e,--export=ri,--export=re,--export=is,--export=ie,--export=ss,--export=ip,--export=se,--export=ai,--export=id,--export=es,--export=ee,--export=els,--export=ele,--export=f,--export=ms,--export=__heap_base" \
+	--export=parse,--export=sa,--export=e,--export=ri,--export=re,--export=is,--export=ie,--export=it,--export=ss,--export=ip,--export=se,--export=ai,--export=id,--export=es,--export=ee,--export=els,--export=ele,--export=f,--export=ms,--export=__heap_base" \
 	-Wno-logical-op-parentheses -Wno-parentheses \
 	-Oz
 """
@@ -110,7 +110,7 @@ run = """
 	${{ EMSDK_PATH }}/emsdk activate 1.40.1-fastcomp
 
 	${{ EMSDK_PATH }}/fastcomp/emscripten/emcc ./src/lexer.c -o lib/lexer.emcc.js -s WASM=0 -Oz --closure 1 \
-	-s EXPORTED_FUNCTIONS="['_parse','_sa','_e','_ri','_re','_is','_ie','_ss','_ip','_se','_ai','_id','_es','_ee','_els','_ele','_f','_ms','_setSource']" \
+	-s EXPORTED_FUNCTIONS="['_parse','_sa','_e','_ri','_re','_it','_is','_ie','_ss','_ip','_se','_ai','_id','_es','_ee','_els','_ele','_f','_ms','_setSource']" \
 	-s ERROR_ON_UNDEFINED_SYMBOLS=0 -s SINGLE_FILE=1 -s TOTAL_STACK=4997968 -s --separate-asm -Wno-logical-op-parentheses -Wno-parentheses
 
 	# rm lib/lexer.emcc.js