123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458 |
- 'use strict';
- Object.defineProperty(exports, '__esModule', {
- value: true
- });
- exports.arrayBufferEquality = void 0;
- exports.emptyObject = emptyObject;
- exports.typeEquality =
- exports.subsetEquality =
- exports.sparseArrayEquality =
- exports.pathAsArray =
- exports.partition =
- exports.iterableEquality =
- exports.isOneline =
- exports.isError =
- exports.getPath =
- exports.getObjectSubset =
- void 0;
- var _jestGetType = require('jest-get-type');
- var _jasmineUtils = require('./jasmineUtils');
- var global = (function () {
- if (typeof globalThis !== 'undefined') {
- return globalThis;
- } else if (typeof global !== 'undefined') {
- return global;
- } else if (typeof self !== 'undefined') {
- return self;
- } else if (typeof window !== 'undefined') {
- return window;
- } else {
- return Function('return this')();
- }
- })();
- var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
- /**
- * Checks if `hasOwnProperty(object, key)` up the prototype chain, stopping at `Object.prototype`.
- */
- const hasPropertyInObject = (object, key) => {
- const shouldTerminate =
- !object || typeof object !== 'object' || object === Object.prototype;
- if (shouldTerminate) {
- return false;
- }
- return (
- Object.prototype.hasOwnProperty.call(object, key) ||
- hasPropertyInObject(Object.getPrototypeOf(object), key)
- );
- };
- const getPath = (object, propertyPath) => {
- if (!Array.isArray(propertyPath)) {
- propertyPath = pathAsArray(propertyPath);
- }
- 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) {
- // Does object have the property with an undefined value?
- // Although primitive values support bracket notation (above)
- // they would throw TypeError for in operator (below).
- result.hasEndProp =
- newObject !== undefined ||
- (!(0, _jestGetType.isPrimitive)(object) && prop in object);
- 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.
- /* eslint-disable @typescript-eslint/explicit-module-boundary-types */
- exports.getPath = getPath;
- const getObjectSubset = (object, subset, seenReferences = new WeakMap()) => {
- /* eslint-enable @typescript-eslint/explicit-module-boundary-types */
- if (Array.isArray(object)) {
- if (Array.isArray(subset) && subset.length === object.length) {
- // The map method returns correct subclass of subset.
- return subset.map((sub, i) => getObjectSubset(object[i], sub));
- }
- } else if (object instanceof Date) {
- return object;
- } else if (isObject(object) && isObject(subset)) {
- if (
- (0, _jasmineUtils.equals)(object, subset, [
- iterableEquality,
- subsetEquality
- ])
- ) {
- // Avoid unnecessary copy which might return Object instead of subclass.
- return subset;
- }
- const trimmed = {};
- seenReferences.set(object, trimmed);
- Object.keys(object)
- .filter(key => hasPropertyInObject(subset, key))
- .forEach(key => {
- trimmed[key] = seenReferences.has(object[key])
- ? seenReferences.get(object[key])
- : getObjectSubset(object[key], subset[key], seenReferences);
- });
- if (Object.keys(trimmed).length > 0) {
- return trimmed;
- }
- }
- return object;
- };
- exports.getObjectSubset = getObjectSubset;
- const IteratorSymbol = Symbol.iterator;
- const hasIterator = object => !!(object != null && object[IteratorSymbol]);
- /* eslint-disable @typescript-eslint/explicit-module-boundary-types */
- const iterableEquality = (
- a,
- b,
- /* eslint-enable @typescript-eslint/explicit-module-boundary-types */
- aStack = [],
- bStack = []
- ) => {
- 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;
- }
- let length = aStack.length;
- while (length--) {
- // Linear search. Performance is inversely proportional to the number of
- // unique nested structures.
- // circular references at same depth are equal
- // circular reference is not equal to non-circular one
- if (aStack[length] === a) {
- return bStack[length] === b;
- }
- }
- aStack.push(a);
- bStack.push(b);
- const iterableEqualityWithStack = (a, b) =>
- iterableEquality(a, b, [...aStack], [...bStack]);
- if (a.size !== undefined) {
- if (a.size !== b.size) {
- return false;
- } else if (
- (0, _jasmineUtils.isA)('Set', a) ||
- (0, _jasmineUtils.isImmutableUnorderedSet)(a)
- ) {
- let allFound = true;
- for (const aValue of a) {
- if (!b.has(aValue)) {
- let has = false;
- for (const bValue of b) {
- const isEqual = (0, _jasmineUtils.equals)(aValue, bValue, [
- iterableEqualityWithStack
- ]);
- if (isEqual === true) {
- has = true;
- }
- }
- if (has === false) {
- allFound = false;
- break;
- }
- }
- } // Remove the first value from the stack of traversed values.
- aStack.pop();
- bStack.pop();
- return allFound;
- } else if (
- (0, _jasmineUtils.isA)('Map', a) ||
- (0, _jasmineUtils.isImmutableUnorderedKeyed)(a)
- ) {
- let allFound = true;
- for (const aEntry of a) {
- if (
- !b.has(aEntry[0]) ||
- !(0, _jasmineUtils.equals)(aEntry[1], b.get(aEntry[0]), [
- iterableEqualityWithStack
- ])
- ) {
- let has = false;
- for (const bEntry of b) {
- const matchedKey = (0, _jasmineUtils.equals)(aEntry[0], bEntry[0], [
- iterableEqualityWithStack
- ]);
- let matchedValue = false;
- if (matchedKey === true) {
- matchedValue = (0, _jasmineUtils.equals)(aEntry[1], bEntry[1], [
- iterableEqualityWithStack
- ]);
- }
- if (matchedValue === true) {
- has = true;
- }
- }
- if (has === false) {
- allFound = false;
- break;
- }
- }
- } // Remove the first value from the stack of traversed values.
- aStack.pop();
- bStack.pop();
- return allFound;
- }
- }
- const bIterator = b[IteratorSymbol]();
- for (const aValue of a) {
- const nextB = bIterator.next();
- if (
- nextB.done ||
- !(0, _jasmineUtils.equals)(aValue, nextB.value, [
- iterableEqualityWithStack
- ])
- ) {
- return false;
- }
- }
- if (!bIterator.next().done) {
- return false;
- } // Remove the first value from the stack of traversed values.
- aStack.pop();
- bStack.pop();
- return true;
- };
- exports.iterableEquality = iterableEquality;
- const isObject = a => a !== null && typeof a === 'object';
- const isObjectWithKeys = a =>
- isObject(a) &&
- !(a instanceof Error) &&
- !(a instanceof Array) &&
- !(a instanceof Date);
- const subsetEquality = (object, subset) => {
- // subsetEquality needs to keep track of the references
- // it has already visited to avoid infinite loops in case
- // there are circular references in the subset passed to it.
- const subsetEqualityWithContext =
- (seenReferences = new WeakMap()) =>
- (object, subset) => {
- if (!isObjectWithKeys(subset)) {
- return undefined;
- }
- return Object.keys(subset).every(key => {
- if (isObjectWithKeys(subset[key])) {
- if (seenReferences.has(subset[key])) {
- return (0, _jasmineUtils.equals)(object[key], subset[key], [
- iterableEquality
- ]);
- }
- seenReferences.set(subset[key], true);
- }
- const result =
- object != null &&
- hasPropertyInObject(object, key) &&
- (0, _jasmineUtils.equals)(object[key], subset[key], [
- iterableEquality,
- subsetEqualityWithContext(seenReferences)
- ]); // The main goal of using seenReference is to avoid circular node on tree.
- // It will only happen within a parent and its child, not a node and nodes next to it (same level)
- // We should keep the reference for a parent and its child only
- // Thus we should delete the reference immediately so that it doesn't interfere
- // other nodes within the same level on tree.
- seenReferences.delete(subset[key]);
- return result;
- });
- };
- return subsetEqualityWithContext()(object, subset);
- }; // eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
- exports.subsetEquality = subsetEquality;
- const typeEquality = (a, b) => {
- if (a == null || b == null || a.constructor === b.constructor) {
- return undefined;
- }
- return false;
- };
- exports.typeEquality = typeEquality;
- const arrayBufferEquality = (a, b) => {
- if (!(a instanceof ArrayBuffer) || !(b instanceof ArrayBuffer)) {
- return undefined;
- }
- const dataViewA = new DataView(a);
- const dataViewB = new DataView(b); // Buffers are not equal when they do not have the same byte length
- if (dataViewA.byteLength !== dataViewB.byteLength) {
- return false;
- } // Check if every byte value is equal to each other
- for (let i = 0; i < dataViewA.byteLength; i++) {
- if (dataViewA.getUint8(i) !== dataViewB.getUint8(i)) {
- return false;
- }
- }
- return true;
- };
- exports.arrayBufferEquality = arrayBufferEquality;
- const sparseArrayEquality = (a, b) => {
- if (!Array.isArray(a) || !Array.isArray(b)) {
- return undefined;
- } // A sparse array [, , 1] will have keys ["2"] whereas [undefined, undefined, 1] will have keys ["0", "1", "2"]
- const aKeys = Object.keys(a);
- const bKeys = Object.keys(b);
- return (
- (0, _jasmineUtils.equals)(a, b, [iterableEquality, typeEquality], true) &&
- (0, _jasmineUtils.equals)(aKeys, bKeys)
- );
- };
- exports.sparseArrayEquality = sparseArrayEquality;
- const partition = (items, predicate) => {
- const result = [[], []];
- items.forEach(item => result[predicate(item) ? 0 : 1].push(item));
- return result;
- };
- exports.partition = partition;
- const pathAsArray = propertyPath => {
- const properties = [];
- if (propertyPath === '') {
- properties.push('');
- return properties;
- } // will match everything that's not a dot or a bracket, and "" for consecutive dots.
- const pattern = RegExp('[^.[\\]]+|(?=(?:\\.)(?:\\.|$))', 'g'); // Because the regex won't match a dot in the beginning of the path, if present.
- if (propertyPath[0] === '.') {
- properties.push('');
- }
- propertyPath.replace(pattern, match => {
- properties.push(match);
- return match;
- });
- return properties;
- }; // Copied from https://github.com/graingert/angular.js/blob/a43574052e9775cbc1d7dd8a086752c979b0f020/src/Angular.js#L685-L693
- exports.pathAsArray = pathAsArray;
- const isError = value => {
- switch (Object.prototype.toString.call(value)) {
- case '[object Error]':
- case '[object Exception]':
- case '[object DOMException]':
- return true;
- default:
- return value instanceof Error;
- }
- };
- exports.isError = isError;
- function emptyObject(obj) {
- return obj && typeof obj === 'object' ? !Object.keys(obj).length : false;
- }
- const MULTILINE_REGEXP = /[\r\n]/;
- const isOneline = (expected, received) =>
- typeof expected === 'string' &&
- typeof received === 'string' &&
- (!MULTILINE_REGEXP.test(expected) || !MULTILINE_REGEXP.test(received));
- exports.isOneline = isOneline;
|