1 files changed, 23 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fledge/tentative/resources/worklet-helpers.js b/testing/web-platform/tests/fledge/tentative/resources/worklet-helpers.js
new file mode 100644
index 0000000000..2147a026ae
--- /dev/null
+++ b/testing/web-platform/tests/fledge/tentative/resources/worklet-helpers.js
@@ -0,0 +1,23 @@
+// This file contains helper methods that are appended to the start of bidder
+// and seller worklets.
+
+// Comparison function that checks if two arguments are the same.
+// Not intended for use on anything other than built-in types
+// (Arrays, objects, and primitive types).
+function deepEquals(a, b) {
+  if (typeof a !== typeof b)
+    return false;
+  if (typeof a !== 'object' || a === null || b === null)
+    return a === b;
+
+  let aKeys = Object.keys(a);
+  if (aKeys.length != Object.keys(b).length)
+    return false;
+  for (let key of aKeys) {
+    if (a.hasOwnProperty(key) != b.hasOwnProperty(key) ||
+        !deepEquals(a[key], b[key])) {
+      return false;
+    }
+  }
+  return true;
+}