Nomchy/discord.js
1
0
Fork 0
mirror of https://github.com/discordjs/discord.js.git synced 2026-03-13 10:03:31 +01:00
Code Issues Packages Projects Releases Wiki Activity

Add Collection.clone() (#1238)

Browse Source 
* Add Collection.clone()

* More efficient cloning, and concat update

* Update Collection.js

* Update Collection.js
This commit is contained in:
bdistin
2017-03-01 03:41:36 -06:00
committed by Schuyler Cebulskie
parent 01d8d32ea9
commit 25bb602d5a
1 changed files with 10 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/util/Collection.js
View File

@@ -319,6 +319,15 @@ class Collection extends Map {
return accumulator; return accumulator;
} }
/**
* Creates an identical shallow copy of this collection.
* @returns {Collection}
* @example const newColl = someColl.clone();
*/
clone() {
return new this.constructor(this);
}
/** /**
* Combines this collection with others into a new collection. None of the source collections are modified. * Combines this collection with others into a new collection. None of the source collections are modified.
* @param {...Collection} collections Collections to merge * @param {...Collection} collections Collections to merge
@@ -326,8 +335,7 @@ class Collection extends Map {
* @example const newColl = someColl.concat(someOtherColl, anotherColl, ohBoyAColl); * @example const newColl = someColl.concat(someOtherColl, anotherColl, ohBoyAColl);
*/ */
concat(...collections) { concat(...collections) {
const newColl = new this.constructor(); const newColl = this.clone();
for (const [key, val] of this) newColl.set(key, val);
for (const coll of collections) { for (const coll of collections) {
for (const [key, val] of coll) newColl.set(key, val); for (const [key, val] of coll) newColl.set(key, val);
} }