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qwen/nodejs/node_modules/jest-matcher-utils/build/deepCyclicCopyReplaceable.js

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+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+exports.default = deepCyclicCopyReplaceable;
+var _prettyFormat = require('pretty-format');
+/**
+ * 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.
+ */
+
+const builtInObject = [
+  Array,
+  Date,
+  Float32Array,
+  Float64Array,
+  Int16Array,
+  Int32Array,
+  Int8Array,
+  Map,
+  Set,
+  RegExp,
+  Uint16Array,
+  Uint32Array,
+  Uint8Array,
+  Uint8ClampedArray
+];
+if (typeof Buffer !== 'undefined') {
+  builtInObject.push(Buffer);
+}
+const isBuiltInObject = object => builtInObject.includes(object.constructor);
+const isMap = value => value.constructor === Map;
+function deepCyclicCopyReplaceable(value, cycles = new WeakMap()) {
+  if (typeof value !== 'object' || value === null) {
+    return value;
+  } else if (cycles.has(value)) {
+    return cycles.get(value);
+  } else if (Array.isArray(value)) {
+    return deepCyclicCopyArray(value, cycles);
+  } else if (isMap(value)) {
+    return deepCyclicCopyMap(value, cycles);
+  } else if (isBuiltInObject(value)) {
+    return value;
+  } else if (_prettyFormat.plugins.DOMElement.test(value)) {
+    return value.cloneNode(true);
+  } else {
+    return deepCyclicCopyObject(value, cycles);
+  }
+}
+function deepCyclicCopyObject(object, cycles) {
+  const newObject = Object.create(Object.getPrototypeOf(object));
+  let descriptors = {};
+  let obj = object;
+  do {
+    descriptors = Object.assign(
+      {},
+      Object.getOwnPropertyDescriptors(obj),
+      descriptors
+    );
+  } while (
+    (obj = Object.getPrototypeOf(obj)) &&
+    obj !== Object.getPrototypeOf({})
+  );
+  cycles.set(object, newObject);
+  const newDescriptors = [
+    ...Object.keys(descriptors),
+    ...Object.getOwnPropertySymbols(descriptors)
+  ].reduce(
+    //@ts-expect-error because typescript do not support symbol key in object
+    //https://github.com/microsoft/TypeScript/issues/1863
+    (newDescriptors, key) => {
+      const enumerable = descriptors[key].enumerable;
+      newDescriptors[key] = {
+        configurable: true,
+        enumerable,
+        value: deepCyclicCopyReplaceable(
+          // this accesses the value or getter, depending. We just care about the value anyways, and this allows us to not mess with accessors
+          // it has the side effect of invoking the getter here though, rather than copying it over
+          object[key],
+          cycles
+        ),
+        writable: true
+      };
+      return newDescriptors;
+    },
+    {}
+  );
+  //@ts-expect-error because typescript do not support symbol key in object
+  //https://github.com/microsoft/TypeScript/issues/1863
+  return Object.defineProperties(newObject, newDescriptors);
+}
+function deepCyclicCopyArray(array, cycles) {
+  const newArray = new (Object.getPrototypeOf(array).constructor)(array.length);
+  const length = array.length;
+  cycles.set(array, newArray);
+  for (let i = 0; i < length; i++) {
+    newArray[i] = deepCyclicCopyReplaceable(array[i], cycles);
+  }
+  return newArray;
+}
+function deepCyclicCopyMap(map, cycles) {
+  const newMap = new Map();
+  cycles.set(map, newMap);
+  map.forEach((value, key) => {
+    newMap.set(key, deepCyclicCopyReplaceable(value, cycles));
+  });
+  return newMap;
+}