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on this file since d24f17c was d24f17c, checked in by Aleksandar Panovski <apano77@…>, 15 months ago |
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| 1 | import { includes, curry, addIndex, reject } from 'ramda';
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| 2 |
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| 3 | // helpers
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| 4 | const rejectIndexed = addIndex(reject);
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| 5 | const containsIndex = curry((indexes, val, index) => includes(index, indexes));
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| 6 |
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| 7 | /**
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| 8 | * Returns a partial copy of an array omitting the indexes specified.
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| 9 | *
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| 10 | * @func omitIndexes
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| 11 | * @memberOf RA
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| 12 | * @since {@link https://char0n.github.io/ramda-adjunct/1.19.0|v1.19.0}
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| 13 | * @category List
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| 14 | * @sig [Int] -> [a] -> [a]
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| 15 | * @see {@link http://ramdajs.com/docs/#omit|R.omit}, {@link RA.pickIndexes|pickIndexes}
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| 16 | * @param {!Array} indexes The array of indexes to omit from the new array
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| 17 | * @param {!Array} list The array to copy from
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| 18 | * @return {!Array} The new array with omitted indexes
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| 19 | * @example
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| 20 | *
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| 21 | * RA.omitIndexes([-1, 1, 3], ['a', 'b', 'c', 'd']); //=> ['a', 'c']
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| 22 | */
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| 23 | const omitIndexes = curry((indexes, list) =>
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| 24 | rejectIndexed(containsIndex(indexes), list)
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| 25 | );
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| 26 |
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| 27 | export default omitIndexes;
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