[d24f17c] | 1 | import _curry1 from "./internal/_curry1.js";
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| 2 | import assocPath from "./assocPath.js";
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| 3 | import lens from "./lens.js";
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| 4 | import path from "./path.js";
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| 5 | /**
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| 6 | * Returns a lens whose focus is the specified path.
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| 7 | *
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| 8 | * @func
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| 9 | * @memberOf R
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| 10 | * @since v0.19.0
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| 11 | * @category Object
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| 12 | * @typedefn Idx = String | Int | Symbol
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| 13 | * @typedefn Lens s a = Functor f => (a -> f a) -> s -> f s
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| 14 | * @sig [Idx] -> Lens s a
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| 15 | * @param {Array} path The path to use.
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| 16 | * @return {Lens}
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| 17 | * @see R.view, R.set, R.over
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| 18 | * @example
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| 19 | *
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| 20 | * const xHeadYLens = R.lensPath(['x', 0, 'y']);
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| 21 | *
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| 22 | * R.view(xHeadYLens, {x: [{y: 2, z: 3}, {y: 4, z: 5}]});
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| 23 | * //=> 2
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| 24 | * R.set(xHeadYLens, 1, {x: [{y: 2, z: 3}, {y: 4, z: 5}]});
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| 25 | * //=> {x: [{y: 1, z: 3}, {y: 4, z: 5}]}
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| 26 | * R.over(xHeadYLens, R.negate, {x: [{y: 2, z: 3}, {y: 4, z: 5}]});
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| 27 | * //=> {x: [{y: -2, z: 3}, {y: 4, z: 5}]}
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| 28 | */
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| 29 |
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| 30 | var lensPath =
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| 31 | /*#__PURE__*/
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| 32 | _curry1(function lensPath(p) {
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| 33 | return lens(path(p), assocPath(p));
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| 34 | });
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| 35 |
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| 36 | export default lensPath; |
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