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15 lines
318 B
15 lines
318 B
'use strict'; |
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var Type = require('./Type'); |
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// https://262.ecma-international.org/5.1/#sec-11.9.6 |
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module.exports = function StrictEqualityComparison(x, y) { |
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if (Type(x) !== Type(y)) { |
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return false; |
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} |
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if (typeof x === 'undefined' || x === null) { |
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return true; |
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} |
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return x === y; // shortcut for steps 4-7 |
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};
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