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on this file since d24f17c was d24f17c, checked in by Aleksandar Panovski <apano77@…>, 15 months ago |
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[d24f17c] | 1 | var _curry2 =
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| 2 | /*#__PURE__*/
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| 3 | require("./internal/_curry2.js");
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| 4 |
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| 5 | var _isInteger =
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| 6 | /*#__PURE__*/
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| 7 | require("./internal/_isInteger.js");
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| 8 |
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| 9 | var nth =
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| 10 | /*#__PURE__*/
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| 11 | require("./nth.js");
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| 12 | /**
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| 13 | * Retrieves the values at given paths of an object.
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| 14 | *
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| 15 | * @func
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| 16 | * @memberOf R
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| 17 | * @since v0.27.1
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| 18 | * @category Object
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| 19 | * @typedefn Idx = [String | Int | Symbol]
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| 20 | * @sig [Idx] -> {a} -> [a | Undefined]
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| 21 | * @param {Array} pathsArray The array of paths to be fetched.
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| 22 | * @param {Object} obj The object to retrieve the nested properties from.
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| 23 | * @return {Array} A list consisting of values at paths specified by "pathsArray".
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| 24 | * @see R.path
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| 25 | * @example
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| 26 | *
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| 27 | * R.paths([['a', 'b'], ['p', 0, 'q']], {a: {b: 2}, p: [{q: 3}]}); //=> [2, 3]
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| 28 | * R.paths([['a', 'b'], ['p', 'r']], {a: {b: 2}, p: [{q: 3}]}); //=> [2, undefined]
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| 29 | */
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| 30 |
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| 31 |
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| 32 | var paths =
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| 33 | /*#__PURE__*/
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| 34 | _curry2(function paths(pathsArray, obj) {
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| 35 | return pathsArray.map(function (paths) {
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| 36 | var val = obj;
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| 37 | var idx = 0;
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| 38 | var p;
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| 39 |
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| 40 | while (idx < paths.length) {
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| 41 | if (val == null) {
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| 42 | return;
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| 43 | }
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| 44 |
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| 45 | p = paths[idx];
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| 46 | val = _isInteger(p) ? nth(p, val) : val[p];
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| 47 | idx += 1;
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| 48 | }
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| 49 |
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| 50 | return val;
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| 51 | });
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| 52 | });
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| 53 |
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| 54 | module.exports = paths; |
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