action-debian-package/node_modules/ramda/es/intersection.js

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2020-03-26 14:37:35 +00:00
import _includes from "./internal/_includes.js";
import _curry2 from "./internal/_curry2.js";
import _filter from "./internal/_filter.js";
import flip from "./flip.js";
import uniq from "./uniq.js";
/**
* Combines two lists into a set (i.e. no duplicates) composed of those
* elements common to both lists.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Relation
* @sig [*] -> [*] -> [*]
* @param {Array} list1 The first list.
* @param {Array} list2 The second list.
* @return {Array} The list of elements found in both `list1` and `list2`.
* @see R.innerJoin
* @example
*
* R.intersection([1,2,3,4], [7,6,5,4,3]); //=> [4, 3]
*/
var intersection =
/*#__PURE__*/
_curry2(function intersection(list1, list2) {
var lookupList, filteredList;
if (list1.length > list2.length) {
lookupList = list1;
filteredList = list2;
} else {
lookupList = list2;
filteredList = list1;
}
return uniq(_filter(flip(_includes)(lookupList), filteredList));
});
export default intersection;