t00-multiuser/server/objects/FunkyArray.ts

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2024-04-18 23:18:49 +01:00
export default class FunkyArray<T, TT> {
private items:Map<T, TT> = new Map<T, TT>();
private itemKeys:Array<T> = new Array<T>();
private _getKeys() : Array<T> {
const keyArray = new Array<T>();
let result:IteratorResult<T, T>;
const iterator = this.items.keys();
while (!(result = iterator.next()).done) {
keyArray.push(result.value);
}
return keyArray;
}
public set(key:T, item:TT, regenerate:boolean = true) : TT {
this.items.set(key, item);
if (regenerate) {
this.itemKeys = this._getKeys();
}
return item;
}
public remove(key:T, regenerate:boolean = true) {
const success = this.items.delete(key);
if (regenerate) {
this.itemKeys = this._getKeys();
}
return success;
}
public removeFirst(regenerate:boolean = true) {
const success = this.items.delete(this.items.keys().next().value);
if (regenerate) {
this.itemKeys = this._getKeys();
}
return success;
}
public first() : TT {
return this.items.values().next().value;
}
public get length() : number {
return this.items.size;
}
public get(key:T) : TT | undefined {
return this.items.get(key);
}
public has(key:T) : boolean {
return this.itemKeys.includes(key);
}
public get keys() : Array<T> {
return this.itemKeys;
}
public forEach(callback: (value:TT) => void) {
return new Promise<boolean>(async (resolve, reject) => {
if (this.items.size === 0) {
return resolve(true);
}
try {
const iterator = this.items.values();
let result:IteratorResult<TT, TT>;
while (!(result = iterator.next()).done) {
await callback(result.value);
}
resolve(true);
} catch (e) {
reject(e);
}
});
}
}