1 | import _curry3 from "./internal/_curry3.js";
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2 | /**
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3 | * Move an item, at index `from`, to index `to`, in a list of elements.
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4 | * A new list will be created containing the new elements order.
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5 | *
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6 | * @func
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7 | * @memberOf R
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8 | * @since v0.27.0
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9 | * @category List
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10 | * @sig Number -> Number -> [a] -> [a]
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11 | * @param {Number} from The source index
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12 | * @param {Number} to The destination index
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13 | * @param {Array} list The list which will serve to realise the move
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14 | * @return {Array} The new list reordered
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15 | * @example
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16 | *
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17 | * R.move(0, 2, ['a', 'b', 'c', 'd', 'e', 'f']); //=> ['b', 'c', 'a', 'd', 'e', 'f']
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18 | * R.move(-1, 0, ['a', 'b', 'c', 'd', 'e', 'f']); //=> ['f', 'a', 'b', 'c', 'd', 'e'] list rotation
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19 | */
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20 |
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21 | var move =
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22 | /*#__PURE__*/
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23 | _curry3(function (from, to, list) {
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24 | var length = list.length;
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25 | var result = list.slice();
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26 | var positiveFrom = from < 0 ? length + from : from;
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27 | var positiveTo = to < 0 ? length + to : to;
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28 | var item = result.splice(positiveFrom, 1);
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29 | return positiveFrom < 0 || positiveFrom >= list.length || positiveTo < 0 || positiveTo >= list.length ? list : [].concat(result.slice(0, positiveTo)).concat(item).concat(result.slice(positiveTo, list.length));
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30 | });
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31 |
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32 | export default move; |
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