Merge remote-tracking branch 'upstream/main'

frontend/node_modules/webpack-dev-server/client/utils/sendMessage.js

@@ -0,0 +1,14 @@
+'use strict';
+/* global __resourceQuery WorkerGlobalScope self */
+// Send messages to the outside, so plugins can consume it.
+
+function sendMsg(type, data) {
+  if (typeof self !== 'undefined' && (typeof WorkerGlobalScope === 'undefined' || !(self instanceof WorkerGlobalScope))) {
+    self.postMessage({
+      type: "webpack".concat(type),
+      data: data
+    }, '*');
+  }
+}
+
+module.exports = sendMsg;