module: add isBuiltin method

lib/internal/modules/cjs/loader.js

@@ -1293,5 +1293,10 @@ Module.syncBuiltinESMExports = function syncBuiltinESMExports() {
   }
 };
 
+Module.isBuiltIn = function isBuiltIn(moduleName) {
+  moduleName = String(moduleName).replace('node:', '');
+  return Module.builtinModules.includes(moduleName);
+};
+
 // Backwards compatibility
 Module.Module = Module;

test/parallel/test-module-isBuiltIn.js

@@ -0,0 +1,13 @@
+'use strict';
+require('../common');
+const assert = require('assert');
+const { isBuiltIn } = require('module');
+
+// Includes modules in lib/ (even deprecated ones)
+assert(isBuiltIn('http'));
+assert(isBuiltIn('sys'));
+
+// Does not include internal modules
+assert(!isBuiltIn('internal'));
+assert(!isBuiltIn(''));
+assert(!isBuiltIn(undefined));