aswi2020vldc-gitlab/templetes/node_modules/object-is/index.js @ 143404cb
| 1 | 3a515b92 | cagy | 'use strict'; |
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| 2 | |||
| 3 | // http://www.ecma-international.org/ecma-262/6.0/#sec-object.is
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| 4 | |||
| 5 | var numberIsNaN = function (value) { |
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| 6 | return value !== value; |
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| 7 | };
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| 8 | |||
| 9 | module.exports = function is(a, b) { |
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| 10 | if (a === 0 && b === 0) { |
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| 11 | return 1 / a === 1 / b; |
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| 12 | }
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| 13 | if (a === b) { |
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| 14 | return true; |
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| 15 | }
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| 16 | if (numberIsNaN(a) && numberIsNaN(b)) { |
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| 17 | return true; |
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| 18 | }
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| 19 | return false; |
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| 20 | };
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