export interface MapLike<T> {
    get(key: string): T | undefined;
    has(key: string): boolean;
    set(key: string, file: T);
    delete(key: string);
    forEach<R>(cb: (v: T, key: string) => R);
    map<R>(cb: (v: T, key: string) => R): R[];
}

export class CaseSensitiveMap<T> implements MapLike<T> {
    private store = new Map<string, T>();
    get(key: string) {
        return this.store.get(key);
    }
    delete(key: string) {
        return this.store.delete(key);
    }
    has(key: string) {
        return this.store.has(key);
    }
    set(key: string, file: T) {
        return this.store.set(key, file);
    }
    forEach<R>(cb: (v: T, key: string) => R) {
        this.store.forEach(cb);
    }
    map<R>(cb: (v: T, key: string) => R): R[] {
        const res = [] as R[];
        this.forEach((v, key) => {
            res.push(cb(v, key));
        });

        return res;
    }
}

export class CaseInsensitiveMap<T> implements MapLike<T> {
    private store = new Map<string, T>();
    get(key: string) {
        return this.store.get(key.toLowerCase());
    }
    delete(key: string) {
        return this.store.delete(key.toLowerCase());
    }
    has(key: string) {
        return this.store.has(key.toLowerCase());
    }
    set(key: string, file: T) {
        return this.store.set(key.toLowerCase(), file);
    }
    forEach<R>(cb: (v: T, key: string) => R) {
        this.store.forEach(cb);
    }
    map<R>(cb: (v: T, key: string) => R): R[] {
        const res = [] as R[];
        this.forEach((v, key) => {
            res.push(cb(v, key));
        });

        return res;
    }
}