| 1 | /*!
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| 2 | * is-number <https://github.com/jonschlinkert/is-number>
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| 3 | *
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| 4 | * Copyright (c) 2014-2015, Jon Schlinkert.
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| 5 | * Licensed under the MIT License.
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| 6 | */
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| 7 |
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| 8 | ;
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| 9 |
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| 10 | module.exports = function isNumber(n) {
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| 11 | return n !== null && !Array.isArray(n)
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| 12 | && ((+n) - (+n) + 1) >= 0;
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| 13 | };
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