35 lines
1.1 KiB
JavaScript
35 lines
1.1 KiB
JavaScript
|
import _curry3 from "./internal/_curry3.js";
|
||
|
|
import equals from "./equals.js";
|
||
|
|
import path from "./path.js";
|
||
|
|
/**
|
||
|
|
* Determines whether a nested path on an object has a specific value, in
|
||
|
|
* [`R.equals`](#equals) terms. Most likely used to filter a list.
|
||
|
|
*
|
||
|
|
* @func
|
||
|
|
* @memberOf R
|
||
|
|
* @since v0.7.0
|
||
|
|
* @category Relation
|
||
|
|
* @typedefn Idx = String | Int
|
||
|
|
* @sig [Idx] -> a -> {a} -> Boolean
|
||
|
|
* @param {Array} path The path of the nested property to use
|
||
|
|
* @param {*} val The value to compare the nested property with
|
||
|
|
* @param {Object} obj The object to check the nested property in
|
||
|
|
* @return {Boolean} `true` if the value equals the nested object property,
|
||
|
|
* `false` otherwise.
|
||
|
|
* @example
|
||
|
|
*
|
||
|
|
* const user1 = { address: { zipCode: 90210 } };
|
||
|
|
* const user2 = { address: { zipCode: 55555 } };
|
||
|
|
* const user3 = { name: 'Bob' };
|
||
|
|
* const users = [ user1, user2, user3 ];
|
||
|
|
* const isFamous = R.pathEq(['address', 'zipCode'], 90210);
|
||
|
|
* R.filter(isFamous, users); //=> [ user1 ]
|
||
|
|
*/
|
||
|
|
|
||
|
|
var pathEq =
|
||
|
|
/*#__PURE__*/
|
||
|
|
_curry3(function pathEq(_path, val, obj) {
|
||
|
|
return equals(path(_path, obj), val);
|
||
|
|
});
|
||
|
|
|
||
|
|
export default pathEq;
|