mirror of
https://github.com/tc39/test262.git
synced 2025-07-28 00:14:35 +02:00
Cleanup compareArray and deepEqual assertions, remove assert._formatValue
Fixes #2372
This commit is contained in:
Leo Balter
Rick Waldron
parent
4182972a49
commit
6b66b82d88
@ -94,58 +94,6 @@ assert.throws = function (expectedErrorConstructor, func, message) {
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$ERROR(message);
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};
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assert._formatValue = (value, seen) => {
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switch (typeof value) {
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case 'string':
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return typeof JSON !== "undefined" ? JSON.stringify(value) : `"${value}"`;
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case 'number':
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case 'boolean':
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case 'symbol':
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case 'bigint':
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return value.toString();
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case 'undefined':
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return 'undefined';
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case 'function':
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return `[Function${value.name ? `: ${value.name}` : ''}]`;
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case 'object':
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if (value === null) return 'null';
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if (value instanceof Date) return `Date "${value.toISOString()}"`;
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if (value instanceof RegExp) return value.toString();
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if (!seen) {
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seen = {
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counter: 0,
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map: new Map()
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};
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}
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let usage = seen.map.get(value);
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if (usage) {
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usage.used = true;
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return `[Ref: #${usage.id}]`;
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}
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usage = { id: ++seen.counter, used: false };
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seen.map.set(value, usage);
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if (typeof Set !== "undefined" && value instanceof Set) {
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return `Set {${Array.from(value).map(value => assert._formatValue(value, seen)).join(', ')}}${usage.used ? ` as #${usage.id}` : ''}`;
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}
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if (typeof Map !== "undefined" && value instanceof Map) {
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return `Map {${Array.from(value).map(pair => `${assert._formatValue(pair[0], seen)} => ${assert._formatValue(pair[1], seen)}}`).join(', ')}}${usage.used ? ` as #${usage.id}` : ''}`;
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}
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if (Array.isArray ? Array.isArray(value) : value instanceof Array) {
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return `[${value.map(value => assert._formatValue(value, seen)).join(', ')}]${usage.used ? ` as #${usage.id}` : ''}`;
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}
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let tag = Symbol.toStringTag in value ? value[Symbol.toStringTag] : 'Object';
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if (tag === 'Object' && Object.getPrototypeOf(value) === null) {
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tag = '[Object: null prototype]';
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}
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return `${tag ? `${tag} ` : ''}{ ${Object.keys(value).map(key => `${key.toString()}: ${assert._formatValue(value[key], seen)}`).join(', ')} }${usage.used ? ` as #${usage.id}` : ''}`;
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default:
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return typeof value;
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}
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};
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assert._toString = function (value) {
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try {
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return String(value);
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@ -6,40 +6,34 @@ description: |
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defines: [compareArray]
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---*/
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// @ts-check
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function isSameValue(a, b) {
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if (a === 0 && b === 0) return 1 / a === 1 / b;
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if (a !== a && b !== b) return true;
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return a === b;
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}
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/**
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* @template T
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* @param {T[]} a
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* @param {T[]} b
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*/
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function compareArray(a, b) {
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if (b.length !== a.length) {
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return false;
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}
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for (var i = 0; i < a.length; i++) {
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if (!isSameValue(b[i], a[i])) {
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if (!compareArray.isSameValue(b[i], a[i])) {
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return false;
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}
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}
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return true;
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}
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/**
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* @template T
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* @param {T[]} actual
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* @param {T[]} expected
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* @param {string} [message]
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*/
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assert.compareArray = function(actual, expected, message) {
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assert(compareArray(actual, expected),
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'Expected ' + assert._formatValue(actual) + ' and ' + assert._formatValue(expected) + ' to have the same contents. ' + message);
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compareArray.isSameValue = function(a, b) {
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if (a === 0 && b === 0) return 1 / a === 1 / b;
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if (a !== a && b !== b) return true;
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return a === b;
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};
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compareArray.format = function(array) {
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return `[${array.map(String).join(', ')}]`;
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};
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assert.compareArray = function(actual, expected, message) {
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var format = compareArray.format;
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assert(
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compareArray(actual, expected),
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`Expected ${format(actual)} and ${format(expected)} to have the same contents. ${(message || '')}`
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);
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};
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@ -6,268 +6,322 @@ description: >
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defines: [assert.deepEqual]
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---*/
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var deepEqual = (function () {
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var EQUAL = 1;
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var NOT_EQUAL = -1;
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var UNKNOWN = 0;
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function deepEqual(a, b) {
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return compareEquality(a, b) === EQUAL;
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}
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function compareEquality(a, b, cache) {
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return compareIf(a, b, isOptional, compareOptionality)
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|| compareIf(a, b, isPrimitiveEquatable, comparePrimitiveEquality)
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|| compareIf(a, b, isObjectEquatable, compareObjectEquality, cache)
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|| NOT_EQUAL;
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}
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function compareIf(a, b, test, compare, cache) {
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return !test(a)
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? !test(b) ? UNKNOWN : NOT_EQUAL
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: !test(b) ? NOT_EQUAL : cacheComparison(a, b, compare, cache);
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}
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function tryCompareStrictEquality(a, b) {
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return a === b ? EQUAL : UNKNOWN;
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}
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function tryCompareTypeOfEquality(a, b) {
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return typeof a !== typeof b ? NOT_EQUAL : UNKNOWN;
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}
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function tryCompareToStringTagEquality(a, b) {
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var aTag = Symbol.toStringTag in a ? a[Symbol.toStringTag] : undefined;
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var bTag = Symbol.toStringTag in b ? b[Symbol.toStringTag] : undefined;
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return aTag !== bTag ? NOT_EQUAL : UNKNOWN;
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}
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function isOptional(value) {
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return value === undefined
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|| value === null;
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}
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function compareOptionality(a, b) {
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return tryCompareStrictEquality(a, b)
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|| NOT_EQUAL;
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}
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function isPrimitiveEquatable(value) {
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switch (typeof value) {
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case 'string':
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case 'number':
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case 'bigint':
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case 'boolean':
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case 'symbol':
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return true;
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default:
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return isBoxed(value);
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}
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}
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function comparePrimitiveEquality(a, b) {
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if (isBoxed(a)) a = a.valueOf();
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if (isBoxed(b)) b = b.valueOf();
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return tryCompareStrictEquality(a, b)
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|| tryCompareTypeOfEquality(a, b)
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|| compareIf(a, b, isNaNEquatable, compareNaNEquality)
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|| NOT_EQUAL;
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}
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function isNaNEquatable(value) {
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return typeof value === 'number';
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}
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function compareNaNEquality(a, b) {
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return isNaN(a) && isNaN(b) ? EQUAL : NOT_EQUAL;
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}
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function isObjectEquatable(value) {
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return typeof value === 'object';
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}
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function compareObjectEquality(a, b, cache) {
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if (!cache) cache = new Map();
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return getCache(cache, a, b)
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|| setCache(cache, a, b, EQUAL) // consider equal for now
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|| cacheComparison(a, b, tryCompareStrictEquality, cache)
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|| cacheComparison(a, b, tryCompareToStringTagEquality, cache)
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|| compareIf(a, b, isValueOfEquatable, compareValueOfEquality)
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|| compareIf(a, b, isToStringEquatable, compareToStringEquality)
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|| compareIf(a, b, isArrayLikeEquatable, compareArrayLikeEquality, cache)
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|| compareIf(a, b, isStructurallyEquatable, compareStructuralEquality, cache)
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|| compareIf(a, b, isIterableEquatable, compareIterableEquality, cache)
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|| cacheComparison(a, b, fail, cache);
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}
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function isBoxed(value) {
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return value instanceof String
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|| value instanceof Number
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|| value instanceof Boolean
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|| typeof Symbol === 'function' && value instanceof Symbol
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|| typeof BigInt === 'function' && value instanceof BigInt;
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}
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function isValueOfEquatable(value) {
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return value instanceof Date;
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}
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function compareValueOfEquality(a, b) {
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return compareIf(a.valueOf(), b.valueOf(), isPrimitiveEquatable, comparePrimitiveEquality)
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|| NOT_EQUAL;
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}
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function isToStringEquatable(value) {
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return value instanceof RegExp;
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}
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function compareToStringEquality(a, b) {
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return compareIf(a.toString(), b.toString(), isPrimitiveEquatable, comparePrimitiveEquality)
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|| NOT_EQUAL;
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}
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function isArrayLikeEquatable(value) {
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return (Array.isArray ? Array.isArray(value) : value instanceof Array)
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|| (typeof Uint8Array === 'function' && value instanceof Uint8Array)
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|| (typeof Uint8ClampedArray === 'function' && value instanceof Uint8ClampedArray)
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|| (typeof Uint16Array === 'function' && value instanceof Uint16Array)
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|| (typeof Uint32Array === 'function' && value instanceof Uint32Array)
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|| (typeof Int8Array === 'function' && value instanceof Int8Array)
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|| (typeof Int16Array === 'function' && value instanceof Int16Array)
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|| (typeof Int32Array === 'function' && value instanceof Int32Array)
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|| (typeof Float32Array === 'function' && value instanceof Float32Array)
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|| (typeof Float64Array === 'function' && value instanceof Float64Array)
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|| (typeof BigUint64Array === 'function' && value instanceof BigUint64Array)
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|| (typeof BigInt64Array === 'function' && value instanceof BigInt64Array);
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}
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function compareArrayLikeEquality(a, b, cache) {
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if (a.length !== b.length) return NOT_EQUAL;
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for (var i = 0; i < a.length; i++) {
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if (compareEquality(a[i], b[i], cache) === NOT_EQUAL) {
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return NOT_EQUAL;
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}
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}
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return EQUAL;
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}
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function isStructurallyEquatable(value) {
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return !(typeof Promise === 'function' && value instanceof Promise // only comparable by reference
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|| typeof WeakMap === 'function' && value instanceof WeakMap // only comparable by reference
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|| typeof WeakSet === 'function' && value instanceof WeakSet // only comparable by reference
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|| typeof Map === 'function' && value instanceof Map // comparable via @@iterator
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|| typeof Set === 'function' && value instanceof Set); // comparable via @@iterator
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}
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function compareStructuralEquality(a, b, cache) {
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var aKeys = [];
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for (var key in a) aKeys.push(key);
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var bKeys = [];
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for (var key in b) bKeys.push(key);
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if (aKeys.length !== bKeys.length) {
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return NOT_EQUAL;
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}
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aKeys.sort();
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bKeys.sort();
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for (var i = 0; i < aKeys.length; i++) {
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var aKey = aKeys[i];
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var bKey = bKeys[i];
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if (compareEquality(aKey, bKey, cache) === NOT_EQUAL) {
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return NOT_EQUAL;
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}
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if (compareEquality(a[aKey], b[bKey], cache) === NOT_EQUAL) {
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return NOT_EQUAL;
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}
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}
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return compareIf(a, b, isIterableEquatable, compareIterableEquality, cache)
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|| EQUAL;
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}
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function isIterableEquatable(value) {
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return typeof Symbol === 'function'
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&& typeof value[Symbol.iterator] === 'function';
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}
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function compareIteratorEquality(a, b, cache) {
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if (typeof Map === 'function' && a instanceof Map && b instanceof Map ||
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typeof Set === 'function' && a instanceof Set && b instanceof Set) {
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if (a.size !== b.size) return NOT_EQUAL; // exit early if we detect a difference in size
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}
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var ar, br;
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while (true) {
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ar = a.next();
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br = b.next();
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if (ar.done) {
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if (br.done) return EQUAL;
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if (b.return) b.return();
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return NOT_EQUAL;
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}
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if (br.done) {
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if (a.return) a.return();
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return NOT_EQUAL;
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}
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if (compareEquality(ar.value, br.value, cache) === NOT_EQUAL) {
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if (a.return) a.return();
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if (b.return) b.return();
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return NOT_EQUAL;
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}
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}
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}
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function compareIterableEquality(a, b, cache) {
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return compareIteratorEquality(a[Symbol.iterator](), b[Symbol.iterator](), cache);
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}
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function cacheComparison(a, b, compare, cache) {
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var result = compare(a, b, cache);
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if (cache && (result === EQUAL || result === NOT_EQUAL)) {
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setCache(cache, a, b, /** @type {EQUAL | NOT_EQUAL} */(result));
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}
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return result;
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}
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function fail() {
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return NOT_EQUAL;
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}
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function setCache(cache, left, right, result) {
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var otherCache;
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otherCache = cache.get(left);
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if (!otherCache) cache.set(left, otherCache = new Map());
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otherCache.set(right, result);
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otherCache = cache.get(right);
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if (!otherCache) cache.set(right, otherCache = new Map());
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otherCache.set(left, result);
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}
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function getCache(cache, left, right) {
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var otherCache;
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/** @type {EQUAL | NOT_EQUAL | UNKNOWN | undefined} */
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var result;
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otherCache = cache.get(left);
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result = otherCache && otherCache.get(right);
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if (result) return result;
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otherCache = cache.get(right);
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result = otherCache && otherCache.get(left);
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if (result) return result;
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return UNKNOWN;
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}
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return deepEqual;
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})();
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assert.deepEqual = function (actual, expected, message) {
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assert(deepEqual(actual, expected),
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'Expected ' + assert._formatValue(actual) + ' to be structurally equal to ' + assert._formatValue(expected) + '. ' + (message || ''));
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assert.deepEqual = function(actual, expected, message) {
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var format = assert.deepEqual.format;
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assert(
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assert.deepEqual._compare(actual, expected),
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`Expected ${format(actual)} to be structurally equal to ${format(expected)}. ${(message || '')}`
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);
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};
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assert.deepEqual.format = function(value, seen) {
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switch (typeof value) {
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case 'string':
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return typeof JSON !== "undefined" ? JSON.stringify(value) : `"${value}"`;
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case 'number':
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case 'boolean':
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case 'symbol':
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case 'bigint':
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return value.toString();
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case 'undefined':
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return 'undefined';
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case 'function':
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return `[Function${value.name ? `: ${value.name}` : ''}]`;
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case 'object':
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if (value === null) return 'null';
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if (value instanceof Date) return `Date "${value.toISOString()}"`;
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if (value instanceof RegExp) return value.toString();
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if (!seen) {
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seen = {
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counter: 0,
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map: new Map()
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};
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}
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let usage = seen.map.get(value);
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if (usage) {
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usage.used = true;
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return `[Ref: #${usage.id}]`;
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}
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usage = { id: ++seen.counter, used: false };
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seen.map.set(value, usage);
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if (typeof Set !== "undefined" && value instanceof Set) {
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return `Set {${Array.from(value).map(value => assert.deepEqual.format(value, seen)).join(', ')}}${usage.used ? ` as #${usage.id}` : ''}`;
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}
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if (typeof Map !== "undefined" && value instanceof Map) {
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return `Map {${Array.from(value).map(pair => `${assert.deepEqual.format(pair[0], seen)} => ${assert.deepEqual.format(pair[1], seen)}}`).join(', ')}}${usage.used ? ` as #${usage.id}` : ''}`;
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}
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if (Array.isArray ? Array.isArray(value) : value instanceof Array) {
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return `[${value.map(value => assert.deepEqual.format(value, seen)).join(', ')}]${usage.used ? ` as #${usage.id}` : ''}`;
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}
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let tag = Symbol.toStringTag in value ? value[Symbol.toStringTag] : 'Object';
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if (tag === 'Object' && Object.getPrototypeOf(value) === null) {
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tag = '[Object: null prototype]';
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}
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return `${tag ? `${tag} ` : ''}{ ${Object.keys(value).map(key => `${key.toString()}: ${assert.deepEqual.format(value[key], seen)}`).join(', ')} }${usage.used ? ` as #${usage.id}` : ''}`;
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default:
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return typeof value;
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}
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};
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assert.deepEqual._compare = (function () {
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var EQUAL = 1;
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var NOT_EQUAL = -1;
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var UNKNOWN = 0;
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function deepEqual(a, b) {
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return compareEquality(a, b) === EQUAL;
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}
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function compareEquality(a, b, cache) {
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return compareIf(a, b, isOptional, compareOptionality)
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|| compareIf(a, b, isPrimitiveEquatable, comparePrimitiveEquality)
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|| compareIf(a, b, isObjectEquatable, compareObjectEquality, cache)
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|| NOT_EQUAL;
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}
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function compareIf(a, b, test, compare, cache) {
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return !test(a)
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? !test(b) ? UNKNOWN : NOT_EQUAL
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: !test(b) ? NOT_EQUAL : cacheComparison(a, b, compare, cache);
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}
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|
||||
function tryCompareStrictEquality(a, b) {
|
||||
return a === b ? EQUAL : UNKNOWN;
|
||||
}
|
||||
|
||||
function tryCompareTypeOfEquality(a, b) {
|
||||
return typeof a !== typeof b ? NOT_EQUAL : UNKNOWN;
|
||||
}
|
||||
|
||||
function tryCompareToStringTagEquality(a, b) {
|
||||
var aTag = Symbol.toStringTag in a ? a[Symbol.toStringTag] : undefined;
|
||||
var bTag = Symbol.toStringTag in b ? b[Symbol.toStringTag] : undefined;
|
||||
return aTag !== bTag ? NOT_EQUAL : UNKNOWN;
|
||||
}
|
||||
|
||||
function isOptional(value) {
|
||||
return value === undefined
|
||||
|| value === null;
|
||||
}
|
||||
|
||||
function compareOptionality(a, b) {
|
||||
return tryCompareStrictEquality(a, b)
|
||||
|| NOT_EQUAL;
|
||||
}
|
||||
|
||||
function isPrimitiveEquatable(value) {
|
||||
switch (typeof value) {
|
||||
case 'string':
|
||||
case 'number':
|
||||
case 'bigint':
|
||||
case 'boolean':
|
||||
case 'symbol':
|
||||
return true;
|
||||
default:
|
||||
return isBoxed(value);
|
||||
}
|
||||
}
|
||||
|
||||
function comparePrimitiveEquality(a, b) {
|
||||
if (isBoxed(a)) a = a.valueOf();
|
||||
if (isBoxed(b)) b = b.valueOf();
|
||||
return tryCompareStrictEquality(a, b)
|
||||
|| tryCompareTypeOfEquality(a, b)
|
||||
|| compareIf(a, b, isNaNEquatable, compareNaNEquality)
|
||||
|| NOT_EQUAL;
|
||||
}
|
||||
|
||||
function isNaNEquatable(value) {
|
||||
return typeof value === 'number';
|
||||
}
|
||||
|
||||
function compareNaNEquality(a, b) {
|
||||
return isNaN(a) && isNaN(b) ? EQUAL : NOT_EQUAL;
|
||||
}
|
||||
|
||||
function isObjectEquatable(value) {
|
||||
return typeof value === 'object';
|
||||
}
|
||||
|
||||
function compareObjectEquality(a, b, cache) {
|
||||
if (!cache) cache = new Map();
|
||||
return getCache(cache, a, b)
|
||||
|| setCache(cache, a, b, EQUAL) // consider equal for now
|
||||
|| cacheComparison(a, b, tryCompareStrictEquality, cache)
|
||||
|| cacheComparison(a, b, tryCompareToStringTagEquality, cache)
|
||||
|| compareIf(a, b, isValueOfEquatable, compareValueOfEquality)
|
||||
|| compareIf(a, b, isToStringEquatable, compareToStringEquality)
|
||||
|| compareIf(a, b, isArrayLikeEquatable, compareArrayLikeEquality, cache)
|
||||
|| compareIf(a, b, isStructurallyEquatable, compareStructuralEquality, cache)
|
||||
|| compareIf(a, b, isIterableEquatable, compareIterableEquality, cache)
|
||||
|| cacheComparison(a, b, fail, cache);
|
||||
}
|
||||
|
||||
function isBoxed(value) {
|
||||
return value instanceof String
|
||||
|| value instanceof Number
|
||||
|| value instanceof Boolean
|
||||
|| typeof Symbol === 'function' && value instanceof Symbol
|
||||
|| typeof BigInt === 'function' && value instanceof BigInt;
|
||||
}
|
||||
|
||||
function isValueOfEquatable(value) {
|
||||
return value instanceof Date;
|
||||
}
|
||||
|
||||
function compareValueOfEquality(a, b) {
|
||||
return compareIf(a.valueOf(), b.valueOf(), isPrimitiveEquatable, comparePrimitiveEquality)
|
||||
|| NOT_EQUAL;
|
||||
}
|
||||
|
||||
function isToStringEquatable(value) {
|
||||
return value instanceof RegExp;
|
||||
}
|
||||
|
||||
function compareToStringEquality(a, b) {
|
||||
return compareIf(a.toString(), b.toString(), isPrimitiveEquatable, comparePrimitiveEquality)
|
||||
|| NOT_EQUAL;
|
||||
}
|
||||
|
||||
function isArrayLikeEquatable(value) {
|
||||
return (Array.isArray ? Array.isArray(value) : value instanceof Array)
|
||||
|| (typeof Uint8Array === 'function' && value instanceof Uint8Array)
|
||||
|| (typeof Uint8ClampedArray === 'function' && value instanceof Uint8ClampedArray)
|
||||
|| (typeof Uint16Array === 'function' && value instanceof Uint16Array)
|
||||
|| (typeof Uint32Array === 'function' && value instanceof Uint32Array)
|
||||
|| (typeof Int8Array === 'function' && value instanceof Int8Array)
|
||||
|| (typeof Int16Array === 'function' && value instanceof Int16Array)
|
||||
|| (typeof Int32Array === 'function' && value instanceof Int32Array)
|
||||
|| (typeof Float32Array === 'function' && value instanceof Float32Array)
|
||||
|| (typeof Float64Array === 'function' && value instanceof Float64Array)
|
||||
|| (typeof BigUint64Array === 'function' && value instanceof BigUint64Array)
|
||||
|| (typeof BigInt64Array === 'function' && value instanceof BigInt64Array);
|
||||
}
|
||||
|
||||
function compareArrayLikeEquality(a, b, cache) {
|
||||
if (a.length !== b.length) return NOT_EQUAL;
|
||||
for (var i = 0; i < a.length; i++) {
|
||||
if (compareEquality(a[i], b[i], cache) === NOT_EQUAL) {
|
||||
return NOT_EQUAL;
|
||||
}
|
||||
}
|
||||
return EQUAL;
|
||||
}
|
||||
|
||||
function isStructurallyEquatable(value) {
|
||||
return !(typeof Promise === 'function' && value instanceof Promise // only comparable by reference
|
||||
|| typeof WeakMap === 'function' && value instanceof WeakMap // only comparable by reference
|
||||
|| typeof WeakSet === 'function' && value instanceof WeakSet // only comparable by reference
|
||||
|| typeof Map === 'function' && value instanceof Map // comparable via @@iterator
|
||||
|| typeof Set === 'function' && value instanceof Set); // comparable via @@iterator
|
||||
}
|
||||
|
||||
function compareStructuralEquality(a, b, cache) {
|
||||
var aKeys = [];
|
||||
for (var key in a) aKeys.push(key);
|
||||
|
||||
var bKeys = [];
|
||||
for (var key in b) bKeys.push(key);
|
||||
|
||||
if (aKeys.length !== bKeys.length) {
|
||||
return NOT_EQUAL;
|
||||
}
|
||||
|
||||
aKeys.sort();
|
||||
bKeys.sort();
|
||||
|
||||
for (var i = 0; i < aKeys.length; i++) {
|
||||
var aKey = aKeys[i];
|
||||
var bKey = bKeys[i];
|
||||
if (compareEquality(aKey, bKey, cache) === NOT_EQUAL) {
|
||||
return NOT_EQUAL;
|
||||
}
|
||||
if (compareEquality(a[aKey], b[bKey], cache) === NOT_EQUAL) {
|
||||
return NOT_EQUAL;
|
||||
}
|
||||
}
|
||||
|
||||
return compareIf(a, b, isIterableEquatable, compareIterableEquality, cache)
|
||||
|| EQUAL;
|
||||
}
|
||||
|
||||
function isIterableEquatable(value) {
|
||||
return typeof Symbol === 'function'
|
||||
&& typeof value[Symbol.iterator] === 'function';
|
||||
}
|
||||
|
||||
function compareIteratorEquality(a, b, cache) {
|
||||
if (typeof Map === 'function' && a instanceof Map && b instanceof Map ||
|
||||
typeof Set === 'function' && a instanceof Set && b instanceof Set) {
|
||||
if (a.size !== b.size) return NOT_EQUAL; // exit early if we detect a difference in size
|
||||
}
|
||||
|
||||
var ar, br;
|
||||
while (true) {
|
||||
ar = a.next();
|
||||
br = b.next();
|
||||
if (ar.done) {
|
||||
if (br.done) return EQUAL;
|
||||
if (b.return) b.return();
|
||||
return NOT_EQUAL;
|
||||
}
|
||||
if (br.done) {
|
||||
if (a.return) a.return();
|
||||
return NOT_EQUAL;
|
||||
}
|
||||
if (compareEquality(ar.value, br.value, cache) === NOT_EQUAL) {
|
||||
if (a.return) a.return();
|
||||
if (b.return) b.return();
|
||||
return NOT_EQUAL;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function compareIterableEquality(a, b, cache) {
|
||||
return compareIteratorEquality(a[Symbol.iterator](), b[Symbol.iterator](), cache);
|
||||
}
|
||||
|
||||
function cacheComparison(a, b, compare, cache) {
|
||||
var result = compare(a, b, cache);
|
||||
if (cache && (result === EQUAL || result === NOT_EQUAL)) {
|
||||
setCache(cache, a, b, /** @type {EQUAL | NOT_EQUAL} */(result));
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
function fail() {
|
||||
return NOT_EQUAL;
|
||||
}
|
||||
|
||||
function setCache(cache, left, right, result) {
|
||||
var otherCache;
|
||||
|
||||
otherCache = cache.get(left);
|
||||
if (!otherCache) cache.set(left, otherCache = new Map());
|
||||
otherCache.set(right, result);
|
||||
|
||||
otherCache = cache.get(right);
|
||||
if (!otherCache) cache.set(right, otherCache = new Map());
|
||||
otherCache.set(left, result);
|
||||
}
|
||||
|
||||
function getCache(cache, left, right) {
|
||||
var otherCache;
|
||||
var result;
|
||||
|
||||
otherCache = cache.get(left);
|
||||
result = otherCache && otherCache.get(right);
|
||||
if (result) return result;
|
||||
|
||||
otherCache = cache.get(right);
|
||||
result = otherCache && otherCache.get(left);
|
||||
if (result) return result;
|
||||
|
||||
return UNKNOWN;
|
||||
}
|
||||
|
||||
return deepEqual;
|
||||
})();
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user