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Last change
on this file was d24f17c, checked in by Aleksandar Panovski <apano77@…>, 15 months ago |
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| [d24f17c] | 1 | import { pipe, uniq, curryN } from 'ramda';
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| 2 |
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| 3 | import lengthLte from './lengthLte';
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| 4 |
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| 5 | // Original idea for this function was conceived by https://github.com/jackmellis
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| 6 | // in https://github.com/char0n/ramda-adjunct/pull/513.
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| 7 |
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| 8 | /**
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| 9 | * Returns true if all items in the list are equivalent using `R.equals` for equality comparisons.
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| 10 | *
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| 11 | * @func allEqual
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| 12 | * @memberOf RA
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| 13 | * @since {@link https://char0n.github.io/ramda-adjunct/2.9.0|v2.9.0}
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| 14 | * @category List
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| 15 | * @sig [a] -> Boolean
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| 16 | * @param {Array} list The list of values
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| 17 | * @return {boolean}
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| 18 | * @see {@link https://ramdajs.com/docs/#equals|equals}
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| 19 | * @example
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| 20 | *
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| 21 | * RA.allEqual([ 1, 2, 3, 4 ]); //=> false
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| 22 | * RA.allEqual([ 1, 1, 1, 1 ]); //=> true
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| 23 | * RA.allEqual([]); //=> true
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| 24 | *
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| 25 | */
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| 26 | const allEqual = curryN(1, pipe(uniq, lengthLte(1)));
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| 27 |
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| 28 | export default allEqual;
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