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

@@ -0,0 +1,17 @@
+/* global __resourceQuery WorkerGlobalScope */
+// Send messages to the outside, so plugins can consume it.
+
+/**
+ * @param {string} type
+ * @param {any} [data]
+ */
+function sendMsg(type, data) {
+  if (typeof self !== "undefined" && (typeof WorkerGlobalScope === "undefined" || !(self instanceof WorkerGlobalScope))) {
+    self.postMessage({
+      type: "webpack".concat(type),
+      data: data
+    }, "*");
+  }
+}
+
+export default sendMsg;