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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-present, Jon Schlinkert.
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5 | * Released under the MIT License.
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6 | */
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7 |
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8 | 'use strict';
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9 |
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10 | module.exports = function(num) {
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11 | if (typeof num === 'number') {
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12 | return num - num === 0;
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13 | }
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14 | if (typeof num === 'string' && num.trim() !== '') {
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15 | return Number.isFinite ? Number.isFinite(+num) : isFinite(+num);
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16 | }
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17 | return false;
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18 | };
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