| 123456789101112131415161718 | /*! * is-number <https://github.com/jonschlinkert/is-number> * * Copyright (c) 2014-present, Jon Schlinkert. * Released under the MIT License. */'use strict';module.exports = function(num) {  if (typeof num === 'number') {    return num - num === 0;  }  if (typeof num === 'string' && num.trim() !== '') {    return Number.isFinite ? Number.isFinite(+num) : isFinite(+num);  }  return false;};
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