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on this file was d24f17c, checked in by Aleksandar Panovski <apano77@…>, 15 months ago |
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[d24f17c] | 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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