fix: blob URL sourceURL resolution (#437)

guybedford · Oct 30, 2024 · 2ea1e28 · 2ea1e28
1 parent 1369428
commit 2ea1e28
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/src/es-module-shims.js b/src/es-module-shims.js
@@ -377,8 +377,12 @@ function resolveDeps (load, seen) {
     const urlStart = commentStart + commentPrefix.length;
     const commentEnd = source.indexOf('\n', urlStart);
     const urlEnd = commentEnd !== -1 ? commentEnd : source.length;
+    let sourceUrl = source.slice(urlStart, urlEnd);
+    try {
+      sourceUrl = new URL(sourceUrl, load.r).href;
+    } catch {}
     pushStringTo(urlStart);
-    resolvedSource += new URL(source.slice(urlStart, urlEnd), load.r).href;
+    resolvedSource += sourceUrl;
     lastIndex = urlEnd;
   }
 

diff --git a/test/fixtures/es-modules/no-imports.js b/test/fixtures/es-modules/no-imports.js