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1 | import { bind, curryN } from 'ramda';
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2 |
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3 | import isFunction from './isFunction';
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4 | import ponyfill from './internal/ponyfills/Number.isFinite';
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5 |
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6 | export const isFinitePonyfill = curryN(1, ponyfill);
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7 |
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8 | /**
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9 | * Checks whether the passed value is a finite `Number`.
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10 | *
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11 | * @func isFinite
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12 | * @memberOf RA
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13 | * @since {@link https://char0n.github.io/ramda-adjunct/0.7.0|v0.7.0}
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14 | * @category Type
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15 | * @sig * -> Boolean
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16 | * @param {*} val The value to test
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17 | * @return {boolean}
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18 | * @see {@link RA.isNotFinite|isNotFinite}
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19 | * @example
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20 | *
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21 | * RA.isFinite(Infinity); //=> false
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22 | * RA.isFinite(NaN); //=> false
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23 | * RA.isFinite(-Infinity); //=> false
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24 | *
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25 | * RA.isFinite(0); // true
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26 | * RA.isFinite(2e64); // true
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27 | *
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28 | * RA.isFinite('0'); // => false
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29 | * // would've been true with global isFinite('0')
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30 | * RA.isFinite(null); // => false
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31 | * // would've been true with global isFinite(null)
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32 | */
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33 | const _isFinite = isFunction(Number.isFinite)
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34 | ? curryN(1, bind(Number.isFinite, Number))
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35 | : isFinitePonyfill;
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36 |
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37 | export default _isFinite;
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