antville/helma
antville/helma
1
1
Fork 0
Code Issues 5 Pull requests 5 Projects Releases 5 Activity Actions

chg: refactored and simplified Array.union() method

Browse source
This commit is contained in:
Tobi Schäfer 2020-03-21 13:13:20 +01:00
parent aa2a236d91
commit 0b938bf808
1 changed files with 3 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
modules/core/Array.js
View file

@ -38,18 +38,9 @@ Array.prototype.contains = Array.prototype.includes
* @return {Array} the union set
*/
Array.union = function() {
var result = [];
var map = {};
for (var i=0; i<arguments.length; i+=1) {
for (var n in arguments[i]) {
var item = arguments[i][n];
if (!map[item]) {
result.push(item);
map[item] = true;
}
}
}
return result;
return Array.from(arguments).reduce((result, array) => {
return result.concat(array.filter(element => !result.includes(element)));
}, []);
};
/**