support module federation

Author: liady

index.js

@@ -30,7 +30,10 @@ module.exports = function nodeExternals(options) {
             utils.log(mistake.message);
         });
     }
-    const allowlist = [].concat(options.allowlist || []);
+    const webpackInternalAllowlist = [/^webpack\/container\/reference\//];
+    const allowlist = []
+        .concat(webpackInternalAllowlist)
+        .concat(options.allowlist || []);
     const binaryDirs = [].concat(options.binaryDirs || ['.bin']);
     const importType = options.importType || 'commonjs';
     const modulesDir = options.modulesDir || 'node_modules';

test/library.spec.js

@@ -180,6 +180,11 @@ describe('respects an allowlist', function() {
         it('when given a relative path', assertResult('./src/index.js', undefined));
     });
 
+    describe('should respect webpack 5 internal allowlist', function() {
+        it('should ignore the specific path (empty callback)', assertResult('webpack/container/reference/', undefined));
+        it('should invoke a commonjs callback', assertResult('moduleB', 'commonjs moduleB'));
+    });
+
     after(function(){
         restoreMock()
     });