action-debian-package/node_modules/ramda/es/paths.js
Dawid Dziurla 9308795b8b
update
2020-03-26 15:37:35 +01:00

45 lines
1.1 KiB
JavaScript

import _curry2 from "./internal/_curry2.js";
import _isInteger from "./internal/_isInteger.js";
import nth from "./nth.js";
/**
* Retrieves the values at given paths of an object.
*
* @func
* @memberOf R
* @since v0.27.0
* @category Object
* @typedefn Idx = [String | Int]
* @sig [Idx] -> {a} -> [a | Undefined]
* @param {Array} pathsArray The array of paths to be fetched.
* @param {Object} obj The object to retrieve the nested properties from.
* @return {Array} A list consisting of values at paths specified by "pathsArray".
* @see R.path
* @example
*
* R.paths([['a', 'b'], ['p', 0, 'q']], {a: {b: 2}, p: [{q: 3}]}); //=> [2, 3]
* R.paths([['a', 'b'], ['p', 'r']], {a: {b: 2}, p: [{q: 3}]}); //=> [2, undefined]
*/
var paths =
/*#__PURE__*/
_curry2(function paths(pathsArray, obj) {
return pathsArray.map(function (paths) {
var val = obj;
var idx = 0;
var p;
while (idx < paths.length) {
if (val == null) {
return;
}
p = paths[idx];
val = _isInteger(p) ? nth(p, val) : val[p];
idx += 1;
}
return val;
});
});
export default paths;