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- 'use strict';
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.partition = exports.subsetEquality = exports.iterableEquality = exports.getObjectSubset = exports.getPath = exports.hasOwnProperty = undefined;
- var _jasmine_utils = require('./jasmine_utils');
- const hasOwnProperty = exports.hasOwnProperty = (object, value) => Object.prototype.hasOwnProperty.call(object, value) || Object.prototype.hasOwnProperty.call(object.constructor.prototype, value); /**
- * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- *
- */
- const getPath = exports.getPath = (object, propertyPath) => {
- if (!Array.isArray(propertyPath)) {
- propertyPath = propertyPath.split('.');
- }
- if (propertyPath.length) {
- const lastProp = propertyPath.length === 1;
- const prop = propertyPath[0];
- const newObject = object[prop];
- if (!lastProp && (newObject === null || newObject === undefined)) {
- // This is not the last prop in the chain. If we keep recursing it will
- // hit a `can't access property X of undefined | null`. At this point we
- // know that the chain has broken and we can return right away.
- return {
- hasEndProp: false,
- lastTraversedObject: object,
- traversedPath: []
- };
- }
- const result = getPath(newObject, propertyPath.slice(1));
- if (result.lastTraversedObject === null) {
- result.lastTraversedObject = object;
- }
- result.traversedPath.unshift(prop);
- if (lastProp) {
- result.hasEndProp = hasOwnProperty(object, prop);
- if (!result.hasEndProp) {
- result.traversedPath.shift();
- }
- }
- return result;
- }
- return {
- lastTraversedObject: null,
- traversedPath: [],
- value: object
- };
- };
- // Strip properties from object that are not present in the subset. Useful for
- // printing the diff for toMatchObject() without adding unrelated noise.
- const getObjectSubset = exports.getObjectSubset = (object, subset) => {
- if (Array.isArray(object)) {
- if (Array.isArray(subset) && subset.length === object.length) {
- return subset.map((sub, i) => getObjectSubset(object[i], sub));
- }
- } else if (object instanceof Date) {
- return object;
- } else if (typeof object === 'object' && object !== null && typeof subset === 'object' && subset !== null) {
- const trimmed = {};
- Object.keys(subset).filter(key => hasOwnProperty(object, key)).forEach(key => trimmed[key] = getObjectSubset(object[key], subset[key]));
- if (Object.keys(trimmed).length > 0) {
- return trimmed;
- }
- }
- return object;
- };
- const IteratorSymbol = Symbol.iterator;
- const hasIterator = object => !!(object != null && object[IteratorSymbol]);
- const iterableEquality = exports.iterableEquality = (a, b) => {
- if (typeof a !== 'object' || typeof b !== 'object' || Array.isArray(a) || Array.isArray(b) || !hasIterator(a) || !hasIterator(b)) {
- return undefined;
- }
- if (a.constructor !== b.constructor) {
- return false;
- }
- if (a.size !== undefined) {
- if (a.size !== b.size) {
- return false;
- } else if ((0, _jasmine_utils.isA)('Set', a) || (0, _jasmine_utils.isImmutableUnorderedSet)(a)) {
- let allFound = true;
- for (const aValue of a) {
- if (!b.has(aValue)) {
- allFound = false;
- break;
- }
- }
- if (allFound) {
- return true;
- }
- } else if ((0, _jasmine_utils.isA)('Map', a) || (0, _jasmine_utils.isImmutableUnorderedKeyed)(a)) {
- let allFound = true;
- for (const aEntry of a) {
- if (!b.has(aEntry[0]) || !(0, _jasmine_utils.equals)(aEntry[1], b.get(aEntry[0]), [iterableEquality])) {
- allFound = false;
- break;
- }
- }
- if (allFound) {
- return true;
- }
- }
- }
- const bIterator = b[IteratorSymbol]();
- for (const aValue of a) {
- const nextB = bIterator.next();
- if (nextB.done || !(0, _jasmine_utils.equals)(aValue, nextB.value, [iterableEquality])) {
- return false;
- }
- }
- if (!bIterator.next().done) {
- return false;
- }
- return true;
- };
- const isObjectWithKeys = a => a !== null && typeof a === 'object' && !(a instanceof Error) && !(a instanceof Array) && !(a instanceof Date);
- const subsetEquality = exports.subsetEquality = (object, subset) => {
- if (!isObjectWithKeys(subset)) {
- return undefined;
- }
- return Object.keys(subset).every(key => hasOwnProperty(object, key) && (0, _jasmine_utils.equals)(object[key], subset[key], [iterableEquality, subsetEquality]));
- };
- const partition = exports.partition = (items, predicate) => {
- const result = [[], []];
- items.forEach(item => result[predicate(item) ? 0 : 1].push(item));
- return result;
- };
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