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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-18 23:26:45 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-18 23:26:45 +0100
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-rw-r--r--node_modules/es-abstract/2019/AbstractEqualityComparison.js37
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diff --git a/node_modules/es-abstract/2019/AbstractEqualityComparison.js b/node_modules/es-abstract/2019/AbstractEqualityComparison.js
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-'use strict';
-
-var ToNumber = require('./ToNumber');
-var ToPrimitive = require('./ToPrimitive');
-var Type = require('./Type');
-
-// https://www.ecma-international.org/ecma-262/6.0/#sec-abstract-equality-comparison
-
-module.exports = function AbstractEqualityComparison(x, y) {
- var xType = Type(x);
- var yType = Type(y);
- if (xType === yType) {
- return x === y; // ES6+ specified this shortcut anyways.
- }
- if (x == null && y == null) {
- return true;
- }
- if (xType === 'Number' && yType === 'String') {
- return AbstractEqualityComparison(x, ToNumber(y));
- }
- if (xType === 'String' && yType === 'Number') {
- return AbstractEqualityComparison(ToNumber(x), y);
- }
- if (xType === 'Boolean') {
- return AbstractEqualityComparison(ToNumber(x), y);
- }
- if (yType === 'Boolean') {
- return AbstractEqualityComparison(x, ToNumber(y));
- }
- if ((xType === 'String' || xType === 'Number' || xType === 'Symbol') && yType === 'Object') {
- return AbstractEqualityComparison(x, ToPrimitive(y));
- }
- if (xType === 'Object' && (yType === 'String' || yType === 'Number' || yType === 'Symbol')) {
- return AbstractEqualityComparison(ToPrimitive(x), y);
- }
- return false;
-};