init: restore source from @anthropic-ai/claude-code@2.1.88 sourcemap

restored-src/node_modules/@mixmark-io/domino/lib/CustomEvent.js

@@ -0,0 +1,12 @@
+"use strict";
+module.exports = CustomEvent;
+
+var Event = require('./Event');
+
+function CustomEvent(type, dictionary) {
+  // Just use the superclass constructor to initialize
+  Event.call(this, type, dictionary);
+}
+CustomEvent.prototype = Object.create(Event.prototype, {
+  constructor: { value: CustomEvent }
+});