add support for debugging external node internals

microsoft · Oct 29, 2020 · 737f6c0 · 737f6c0
1 parent 8355f70
commit 737f6c0
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/src/targets/node/nodeSourcePathResolver.ts b/src/targets/node/nodeSourcePathResolver.ts
@@ -38,6 +38,13 @@ export class NodeSourcePathResolver extends SourcePathResolverBase<IOptions> {
     // replace any query string, which can be generated by webpack bundles
     url = url.replace(/\?.+/, '');
 
+    // Allow debugging of externally loaded Node internals
+    // [ by building Node with ./configure --node-builtin-modules-path $(pwd) ]
+    if (url.startsWith('node:')) {
+      url = url.replace('node:', this.options.basePath + '/lib/');
+      if (!url.endsWith('.js')) url += '.js';
+    }
+
     if (map) {
       return this.sourceMapSourceToAbsolute(url, map);
     }