1 files changed, 44 insertions, 0 deletions
diff --git a/dom/serviceworkers/test/console_monitor.js b/dom/serviceworkers/test/console_monitor.js
new file mode 100644
index 0000000000..099feb646d
--- /dev/null
+++ b/dom/serviceworkers/test/console_monitor.js
@@ -0,0 +1,44 @@
+/* eslint-env mozilla/chrome-script */
+
+let consoleListener;
+
+function ConsoleListener() {
+  Services.console.registerListener(this);
+}
+
+ConsoleListener.prototype = {
+  callbacks: [],
+
+  observe: aMsg => {
+    if (!(aMsg instanceof Ci.nsIScriptError)) {
+      return;
+    }
+
+    let msg = {
+      cssSelectors: aMsg.cssSelectors,
+      errorMessage: aMsg.errorMessage,
+      sourceName: aMsg.sourceName,
+      sourceLine: aMsg.sourceLine,
+      lineNumber: aMsg.lineNumber,
+      columnNumber: aMsg.columnNumber,
+      category: aMsg.category,
+      windowID: aMsg.outerWindowID,
+      innerWindowID: aMsg.innerWindowID,
+      isScriptError: true,
+      isWarning: (aMsg.flags & Ci.nsIScriptError.warningFlag) === 1,
+    };
+
+    sendAsyncMessage("monitor", msg);
+  },
+};
+
+addMessageListener("load", function (e) {
+  consoleListener = new ConsoleListener();
+  sendAsyncMessage("ready", {});
+});
+
+addMessageListener("unload", function (e) {
+  Services.console.unregisterListener(consoleListener);
+  consoleListener = null;
+  sendAsyncMessage("unloaded", {});
+});