mirror of
https://github.com/swc-project/swc.git
synced 2024-12-26 23:27:56 +03:00
45 lines
1.3 KiB
TypeScript
45 lines
1.3 KiB
TypeScript
|
// Loaded from https://deno.land/x/ramda@v0.27.2/source/uniqWith.js
|
||
|
|
||
|
|
||
|
import _includesWith from './internal/_includesWith.js';
|
||
|
import _curry2 from './internal/_curry2.js';
|
||
|
|
||
|
|
||
|
/**
|
||
|
* Returns a new list containing only one copy of each element in the original
|
||
|
* list, based upon the value returned by applying the supplied predicate to
|
||
|
* two list elements. Prefers the first item if two items compare equal based
|
||
|
* on the predicate.
|
||
|
*
|
||
|
* @func
|
||
|
* @memberOf R
|
||
|
* @since v0.2.0
|
||
|
* @category List
|
||
|
* @sig ((a, a) -> Boolean) -> [a] -> [a]
|
||
|
* @param {Function} pred A predicate used to test whether two items are equal.
|
||
|
* @param {Array} list The array to consider.
|
||
|
* @return {Array} The list of unique items.
|
||
|
* @example
|
||
|
*
|
||
|
* const strEq = R.eqBy(String);
|
||
|
* R.uniqWith(strEq)([1, '1', 2, 1]); //=> [1, 2]
|
||
|
* R.uniqWith(strEq)([{}, {}]); //=> [{}]
|
||
|
* R.uniqWith(strEq)([1, '1', 1]); //=> [1]
|
||
|
* R.uniqWith(strEq)(['1', 1, 1]); //=> ['1']
|
||
|
*/
|
||
|
var uniqWith = _curry2(function uniqWith(pred, list) {
|
||
|
var idx = 0;
|
||
|
var len = list.length;
|
||
|
var result = [];
|
||
|
var item;
|
||
|
while (idx < len) {
|
||
|
item = list[idx];
|
||
|
if (!_includesWith(pred, item, result)) {
|
||
|
result[result.length] = item;
|
||
|
}
|
||
|
idx += 1;
|
||
|
}
|
||
|
return result;
|
||
|
});
|
||
|
export default uniqWith;
|