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22 lines
420 B
22 lines
420 B
/*! |
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* is-number <https://github.com/jonschlinkert/is-number> |
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* |
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* Copyright (c) 2014-2015, Jon Schlinkert. |
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* Licensed under the MIT License. |
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*/ |
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'use strict'; |
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var typeOf = require('kind-of'); |
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module.exports = function isNumber(num) { |
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var type = typeOf(num); |
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if (type === 'string') { |
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if (!num.trim()) return false; |
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} else if (type !== 'number') { |
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return false; |
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} |
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return (num - num + 1) >= 0; |
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};
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