12 lines
214 B
JavaScript
Executable file
12 lines
214 B
JavaScript
Executable file
'use strict';
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var $isNaN = require('./isNaN');
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/** @type {import('./sign')} */
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module.exports = function sign(number) {
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if ($isNaN(number) || number === 0) {
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return number;
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}
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return number < 0 ? -1 : +1;
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};
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