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/*
* Vencord, a modification for Discord's desktop app
* Copyright (c) 2022 Vendicated and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
export class ChangeList<T>{
private set = new Set<T>();
public get changeCount() {
return this.set.size;
}
public get hasChanges() {
return this.changeCount > 0;
}
public handleChange(item: T) {
if (!this.set.delete(item))
this.set.add(item);
}
public add(item: T) {
return this.set.add(item);
}
public remove(item: T) {
return this.set.delete(item);
}
public getChanges() {
return this.set.values();
}
public map<R>(mapper: (v: T, idx: number, arr: T[]) => R): R[] {
return [...this.getChanges()].map(mapper);
}
}
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