1 files changed, 48 insertions, 0 deletions
diff --git a/toolkit/components/normandy/lib/LegacyHeartbeat.sys.mjs b/toolkit/components/normandy/lib/LegacyHeartbeat.sys.mjs
new file mode 100644
index 0000000000..501c9f70af
--- /dev/null
+++ b/toolkit/components/normandy/lib/LegacyHeartbeat.sys.mjs
@@ -0,0 +1,48 @@
+/* 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/. */
+
+const lazy = {};
+ChromeUtils.defineESModuleGetters(lazy, {
+  ExperimentAPI: "resource://nimbus/ExperimentAPI.sys.mjs",
+  NimbusFeatures: "resource://nimbus/ExperimentAPI.sys.mjs",
+});
+
+const FEATURE_ID = "legacyHeartbeat";
+
+/**
+ * A bridge between Nimbus and Normandy's Heartbeat implementation.
+ */
+export const LegacyHeartbeat = {
+  getHeartbeatRecipe() {
+    const survey = lazy.NimbusFeatures.legacyHeartbeat.getVariable("survey");
+
+    if (typeof survey == "undefined") {
+      return null;
+    }
+
+    let isRollout = false;
+    let enrollmentData = lazy.ExperimentAPI.getExperimentMetaData({
+      featureId: FEATURE_ID,
+    });
+
+    if (!enrollmentData) {
+      enrollmentData = lazy.ExperimentAPI.getRolloutMetaData({
+        featureId: FEATURE_ID,
+      });
+      isRollout = true;
+    }
+
+    return {
+      id: `nimbus:${enrollmentData.slug}`,
+      name: `Nimbus legacyHeartbeat ${isRollout ? "rollout" : "experiment"} ${
+        enrollmentData.slug
+      }`,
+      action: "show-heartbeat",
+      arguments: survey,
+      capabilities: ["action.show-heartbeat"],
+      filter_expression: "true",
+      use_only_baseline_capabilities: true,
+    };
+  },
+};