From c10b4feeeb7705903593ba134df128c57a823ff1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20H=C3=AEncu?= <teesealz@gmail.com>
Date: Tue, 7 Aug 2018 19:08:49 +0300
Subject: [PATCH] fix(Collection): use `new this.constructor` instead of `new
 Collection` (#2709)

---
 src/util/Collection.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/util/Collection.js b/src/util/Collection.js
index 06f54f59c..f8ac733ad 100644
--- a/src/util/Collection.js
+++ b/src/util/Collection.js
@@ -220,7 +220,7 @@ class Collection extends Map {
    */
   filter(fn, thisArg) {
     if (typeof thisArg !== 'undefined') fn = fn.bind(thisArg);
-    const results = new Collection();
+    const results = new this.constructor();
     for (const [key, val] of this) {
       if (fn(val, key, this)) results.set(key, val);
     }
@@ -237,7 +237,7 @@ class Collection extends Map {
    */
   partition(fn, thisArg) {
     if (typeof thisArg !== 'undefined') fn = fn.bind(thisArg);
-    const results = [new Collection(), new Collection()];
+    const results = [new this.constructor(), new this.constructor()];
     for (const [key, val] of this) {
       if (fn(val, key, this)) {
         results[0].set(key, val);
@@ -404,7 +404,7 @@ class Collection extends Map {
    * @example collection.sort((userA, userB) => userA.createdTimestamp - userB.createdTimestamp);
    */
   sort(compareFunction = (x, y) => +(x > y) || +(x === y) - 1) {
-    return new Collection([...this.entries()].sort((a, b) => compareFunction(a[1], b[1], a[0], b[0])));
+    return new this.constructor([...this.entries()].sort((a, b) => compareFunction(a[1], b[1], a[0], b[0])));
   }
 
   toJSON() {