| 1 | var _curry1 =
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| 2 | /*#__PURE__*/
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| 3 | require("./internal/_curry1");
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| 4 |
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| 5 | var assocPath =
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| 6 | /*#__PURE__*/
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| 7 | require("./assocPath");
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| 8 |
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| 9 | var lens =
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| 10 | /*#__PURE__*/
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| 11 | require("./lens");
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| 12 |
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| 13 | var path =
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| 14 | /*#__PURE__*/
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| 15 | require("./path");
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| 16 | /**
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| 17 | * Returns a lens whose focus is the specified path.
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| 18 | *
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| 19 | * @func
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| 20 | * @memberOf R
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| 21 | * @since v0.19.0
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| 22 | * @category Object
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| 23 | * @typedefn Idx = String | Int
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| 24 | * @typedefn Lens s a = Functor f => (a -> f a) -> s -> f s
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| 25 | * @sig [Idx] -> Lens s a
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| 26 | * @param {Array} path The path to use.
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| 27 | * @return {Lens}
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| 28 | * @see R.view, R.set, R.over
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| 29 | * @example
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| 30 | *
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| 31 | * const xHeadYLens = R.lensPath(['x', 0, 'y']);
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| 32 | *
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| 33 | * R.view(xHeadYLens, {x: [{y: 2, z: 3}, {y: 4, z: 5}]});
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| 34 | * //=> 2
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| 35 | * R.set(xHeadYLens, 1, {x: [{y: 2, z: 3}, {y: 4, z: 5}]});
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| 36 | * //=> {x: [{y: 1, z: 3}, {y: 4, z: 5}]}
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| 37 | * R.over(xHeadYLens, R.negate, {x: [{y: 2, z: 3}, {y: 4, z: 5}]});
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| 38 | * //=> {x: [{y: -2, z: 3}, {y: 4, z: 5}]}
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| 39 | */
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| 40 |
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| 41 |
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| 42 | var lensPath =
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| 43 | /*#__PURE__*/
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| 44 | _curry1(function lensPath(p) {
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| 45 | return lens(path(p), assocPath(p));
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| 46 | });
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| 47 |
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| 48 | module.exports = lensPath; |
| \ | No newline at end of file |