merge new into master

node_modules/hermes-parser/dist/transform/astArrayMutationHelpers.js

@@ -0,0 +1,62 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.arrayIsEqual = arrayIsEqual;
+exports.insertInArray = insertInArray;
+exports.removeFromArray = removeFromArray;
+exports.replaceInArray = replaceInArray;
+
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * 
+ * @format
+ */
+function assertArrayBounds(array, index) {
+  if (index < 0 || index >= array.length) {
+    throw new Error(`Invalid Mutation: Tried to mutate an elements array with an out of bounds index. Index: ${index}, Array Size: ${array.length}`);
+  }
+}
+
+function arrayIsEqual(a1, a2) {
+  if (a1 === a2) {
+    return true;
+  }
+
+  if (a1.length !== a2.length) {
+    return false;
+  }
+
+  for (let i = 0; i < a1.length; i++) {
+    if (a1[i] !== a2[i]) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+function insertInArray(array, index, elements) {
+  if (index === array.length) {
+    // Support the insert at end of array case.
+    return array.concat(elements);
+  }
+
+  assertArrayBounds(array, index);
+  return array.slice(0, index).concat(elements).concat(array.slice(index));
+}
+
+function removeFromArray(array, index) {
+  assertArrayBounds(array, index);
+  return [...array.slice(0, index), ...array.slice(index + 1)];
+}
+
+function replaceInArray(array, index, elements) {
+  assertArrayBounds(array, index);
+  return array.slice(0, index).concat(elements).concat(array.slice(index + 1));
+}