1 files changed, 205 insertions, 0 deletions
diff --git a/browser/extensions/webcompat/shims/optimizely.js b/browser/extensions/webcompat/shims/optimizely.js
new file mode 100644
index 0000000000..dcda87421d
--- /dev/null
+++ b/browser/extensions/webcompat/shims/optimizely.js
@@ -0,0 +1,205 @@
+/* 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/. */
+
+/**
+ * Bug 1714431 - Shim Optimizely
+ *
+ * This shim stubs out window.optimizely for those sites which
+ * break when it is not successfully loaded.
+ */
+
+if (!window.optimizely?.state) {
+  const behavior = {
+    query: () => [],
+  };
+
+  const dcp = {
+    getAttributeValue() {},
+    waitForAttributeValue: () => Promise.resolve(),
+  };
+
+  const data = {
+    accountId: "",
+    audiences: {},
+    campaigns: {},
+    clientName: "js",
+    clientVersion: "0.166.0",
+    dcpServiceId: null,
+    events: {},
+    experiments: {},
+    groups: {},
+    pages: {},
+    projectId: "",
+    revision: "",
+    snippetId: null,
+    variations: {},
+  };
+
+  const activationId = String(Date.now());
+
+  const state = {
+    getActivationId() {
+      return activationId;
+    },
+    getActiveExperimentIds() {
+      return [];
+    },
+    getCampaignStateLists() {
+      return {};
+    },
+    getCampaignStates() {
+      return {};
+    },
+    getDecisionObject() {
+      return null;
+    },
+    getDecisionString() {
+      return null;
+    },
+    getExperimentStates() {
+      return {};
+    },
+    getPageStates() {
+      return {};
+    },
+    getRedirectInfo() {
+      return null;
+    },
+    getVariationMap() {
+      return {};
+    },
+    isGlobalHoldback() {
+      return false;
+    },
+  };
+
+  const poll = (fn, to) => {
+    setInterval(() => {
+      try {
+        fn();
+      } catch (_) {}
+    }, to);
+  };
+
+  const waitUntil = test => {
+    let interval, resolve;
+    function check() {
+      try {
+        if (test()) {
+          clearInterval(interval);
+          resolve?.();
+          return true;
+        }
+      } catch (_) {}
+      return false;
+    }
+    return new Promise(r => {
+      resolve = r;
+      if (check()) {
+        resolve();
+        return;
+      }
+      interval = setInterval(check, 250);
+    });
+  };
+
+  const waitForElement = sel => {
+    return waitUntil(() => {
+      document.querySelector(sel);
+    });
+  };
+
+  const observeSelector = (sel, fn, opts) => {
+    let interval;
+    const observed = new Set();
+    function check() {
+      try {
+        for (const e of document.querySelectorAll(sel)) {
+          if (observed.has(e)) {
+            continue;
+          }
+          observed.add(e);
+          try {
+            fn(e);
+          } catch (_) {}
+          if (opts.once) {
+            clearInterval(interval);
+          }
+        }
+      } catch (_) {}
+    }
+    interval = setInterval(check, 250);
+    const timeout = { opts };
+    if (timeout) {
+      setTimeout(() => {
+        clearInterval(interval);
+      }, timeout);
+    }
+  };
+
+  const utils = {
+    Promise: window.Promise,
+    observeSelector,
+    poll,
+    waitForElement,
+    waitUntil,
+  };
+
+  const visitorId = {
+    randomId: "",
+  };
+
+  let browserVersion = "";
+  try {
+    browserVersion = navigator.userAgent.match(/rv:(.*)\)/)[1];
+  } catch (_) {}
+
+  const visitor = {
+    browserId: "ff",
+    browserVersion,
+    currentTimestamp: Date.now(),
+    custom: {},
+    customBehavior: {},
+    device: "desktop",
+    device_type: "desktop_laptop",
+    events: [],
+    first_session: true,
+    offset: 240,
+    referrer: null,
+    source_type: "direct",
+    visitorId,
+  };
+
+  window.optimizely = {
+    data: {
+      note: "Obsolete, use optimizely.get('data') instead",
+    },
+    get(e) {
+      switch (e) {
+        case "behavior":
+          return behavior;
+        case "data":
+          return data;
+        case "dcp":
+          return dcp;
+        case "jquery":
+          throw new Error("jQuery not implemented");
+        case "session":
+          return undefined;
+        case "state":
+          return state;
+        case "utils":
+          return utils;
+        case "visitor":
+          return visitor;
+        case "visitor_id":
+          return visitorId;
+      }
+      return undefined;
+    },
+    initialized: true,
+    push() {},
+    state: {},
+  };
+}