first commit

common/resources/client/utils/shallow-equal.ts

@@ -0,0 +1,32 @@
+export function shallowEqual<
+  T extends Record<string, unknown> = Record<string, unknown>
+>(objA?: T, objB?: T) {
+  if (objA === objB) {
+    return true;
+  }
+
+  if (!objA || !objB) {
+    return false;
+  }
+
+  const aKeys = Object.keys(objA);
+  const bKeys = Object.keys(objB);
+  const len = aKeys.length;
+
+  if (bKeys.length !== len) {
+    return false;
+  }
+
+  for (let i = 0; i < len; i++) {
+    const key = aKeys[i];
+
+    if (
+      objA[key] !== objB[key] ||
+      !Object.prototype.hasOwnProperty.call(objB, key)
+    ) {
+      return false;
+    }
+  }
+
+  return true;
+}