33 lines
812 B
TypeScript
33 lines
812 B
TypeScript
|
export class RecentUsed {
|
||
|
|
private readonly MAX_NUM = 3;
|
||
|
|
private readonly KEY = "recent-used-realms";
|
||
|
|
private recentUsedRealms: string[];
|
||
|
|
|
||
|
|
constructor() {
|
||
|
|
this.recentUsedRealms = JSON.parse(localStorage.getItem(this.KEY) || "[]");
|
||
|
|
}
|
||
|
|
|
||
|
|
private save() {
|
||
|
|
this.recentUsedRealms = this.recentUsedRealms.slice(0, this.MAX_NUM);
|
||
|
|
localStorage.setItem(this.KEY, JSON.stringify(this.recentUsedRealms));
|
||
|
|
}
|
||
|
|
|
||
|
|
clean(existingRealms: string[]) {
|
||
|
|
this.recentUsedRealms = this.recentUsedRealms.filter((realm) =>
|
||
|
|
existingRealms.includes(realm)
|
||
|
|
);
|
||
|
|
this.save();
|
||
|
|
}
|
||
|
|
|
||
|
|
get used(): string[] {
|
||
|
|
return this.recentUsedRealms;
|
||
|
|
}
|
||
|
|
|
||
|
|
setRecentUsed(realm: string) {
|
||
|
|
if (!this.recentUsedRealms.includes(realm)) {
|
||
|
|
this.recentUsedRealms.unshift(realm);
|
||
|
|
this.save();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|