@mousepox/util/dist/types/Collection.d.ts

Miscellaneous utilities

import { Signal } from "./Signal";
export declare type CollectionFilter<T> = (thing: T) => boolean;
export declare type CollectionIterator<K, T> = (thing: T, key: K) => void;
export declare class Collection<K, T> {
    readonly onAdd: Signal<(thing: T) => void>;
    readonly onRemove: Signal<(thing: T) => void>;
    protected readonly things: Map<K, T>;
    get size(): number;
    clear(): void;
    dispose(): void;
    add(key: K, thing: T): void;
    remove(key: K): void;
    get(key: K): T | undefined;
    each(fn: CollectionIterator<K, T>, filter?: CollectionFilter<T>): void;
    count(filter: CollectionFilter<T>): number;
    filter(filter?: CollectionFilter<T>): T[];
    first(filter: CollectionFilter<T>): T | undefined;
}