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Configuration error
Configuration error
| ; | |
| var isFinite = require('../helpers/isFinite'); | |
| var IsStrictlyEqual = require('./IsStrictlyEqual'); | |
| var StringToBigInt = require('./StringToBigInt'); | |
| var ToNumber = require('./ToNumber'); | |
| var ToPrimitive = require('./ToPrimitive'); | |
| var Type = require('./Type'); | |
| // https://262.ecma-international.org/13.0/#sec-islooselyequal | |
| module.exports = function IsLooselyEqual(x, y) { | |
| var xType = Type(x); | |
| var yType = Type(y); | |
| if (xType === yType) { | |
| return IsStrictlyEqual(x, y); | |
| } | |
| if (x == null && y == null) { | |
| return true; | |
| } | |
| if (xType === 'Number' && yType === 'String') { | |
| return IsLooselyEqual(x, ToNumber(y)); | |
| } | |
| if (xType === 'String' && yType === 'Number') { | |
| return IsLooselyEqual(ToNumber(x), y); | |
| } | |
| if (xType === 'BigInt' && yType === 'String') { | |
| var n = StringToBigInt(y); | |
| if (typeof n === 'undefined') { | |
| return false; | |
| } | |
| return IsLooselyEqual(x, n); | |
| } | |
| if (xType === 'String' && yType === 'BigInt') { | |
| return IsLooselyEqual(y, x); | |
| } | |
| if (xType === 'Boolean') { | |
| return IsLooselyEqual(ToNumber(x), y); | |
| } | |
| if (yType === 'Boolean') { | |
| return IsLooselyEqual(x, ToNumber(y)); | |
| } | |
| if ((xType === 'String' || xType === 'Number' || xType === 'Symbol' || xType === 'BigInt') && yType === 'Object') { | |
| return IsLooselyEqual(x, ToPrimitive(y)); | |
| } | |
| if (xType === 'Object' && (yType === 'String' || yType === 'Number' || yType === 'Symbol' || yType === 'BigInt')) { | |
| return IsLooselyEqual(ToPrimitive(x), y); | |
| } | |
| if ((xType === 'BigInt' && yType === 'Number') || (xType === 'Number' && yType === 'BigInt')) { | |
| if (!isFinite(x) || !isFinite(y)) { | |
| return false; | |
| } | |
| // eslint-disable-next-line eqeqeq | |
| return x == y; // shortcut for step 13.b. | |
| } | |
| return false; | |
| }; | |