1 files changed, 34 insertions, 0 deletions
diff --git a/devtools/server/actors/targets/session-data-processors/xhr-breakpoints.js b/devtools/server/actors/targets/session-data-processors/xhr-breakpoints.js
new file mode 100644
index 0000000000..d9a9bdc750
--- /dev/null
+++ b/devtools/server/actors/targets/session-data-processors/xhr-breakpoints.js
@@ -0,0 +1,34 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const {
+  STATES: THREAD_STATES,
+} = require("resource://devtools/server/actors/thread.js");
+
+module.exports = {
+  async addSessionDataEntry(targetActor, entries, isDocumentCreation) {
+    // The thread actor has to be initialized in order to correctly
+    // retrieve the stack trace when hitting an XHR
+    if (
+      targetActor.threadActor.state == THREAD_STATES.DETACHED &&
+      !targetActor.targetType.endsWith("worker")
+    ) {
+      await targetActor.threadActor.attach();
+    }
+
+    await Promise.all(
+      entries.map(({ path, method }) =>
+        targetActor.threadActor.setXHRBreakpoint(path, method)
+      )
+    );
+  },
+
+  removeSessionDataEntry(targetActor, entries, isDocumentCreation) {
+    for (const { path, method } of entries) {
+      targetActor.threadActor.removeXHRBreakpoint(path, method);
+    }
+  },
+};