GT2/GT2-Android/node_modules/expect/build/utils.js

197 lines
5.3 KiB
JavaScript

'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(object) || !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;
};