module: cjs-module-lexer WebAssembly fallback

guybedford · richardlau · commit 785dc3efeec1 · 2022-11-23T20:45:54.000-05:00
PR-URL: #43612 Reviewed-By: Geoffrey Booth <webadmin@geoffreybooth.com> Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Jacob Smith <jacob@frende.me> Reviewed-By: Minwoo Jung <nodecorelab@gmail.com>
diff --git a/lib/internal/modules/esm/translators.js b/lib/internal/modules/esm/translators.js
@@ -69,8 +69,12 @@ async function initCJSParse() {
   } else {
     const { parse, init } =
         require('internal/deps/cjs-module-lexer/dist/lexer');
-    await init();
-    cjsParse = parse;
+    try {
+      await init();
+      cjsParse = parse;
+    } catch {
+      cjsParse = require('internal/deps/cjs-module-lexer/lexer').parse;
+    }
   }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -69,8 +69,12 @@ async function initCJSParse() {`
`69`	`69`	`} else {`
`70`	`70`	`const { parse, init } =`
`71`	`71`	`require('internal/deps/cjs-module-lexer/dist/lexer');`
`72`		`- await init();`
`73`		`- cjsParse = parse;`
	`72`	`+ try {`
	`73`	`+ await init();`
	`74`	`+ cjsParse = parse;`
	`75`	`+ } catch {`
	`76`	`+ cjsParse = require('internal/deps/cjs-module-lexer/lexer').parse;`
	`77`	`+ }`
`74`	`78`	`}`
`75`	`79`	`}`
`76`	`80`