@ayonli/jsext/types/collections/BiMap.d.ts

A JavaScript extension package for building strong and modern applications.

declare const inverse: unique symbol;
/**
 * Bi-directional map, keys and values are unique and map to each other.
 *
 * @example
 * ```ts
 * import { BiMap } from "@ayonli/jsext/collections";
 *
 * const map = new BiMap<string, string>();
 *
 * map.set("foo", "hello");
 * map.set("bar", "world");
 *
 * console.log(map.get("foo")); // hello
 * console.log(map.getKey("world")); // bar
 *
 * map.delete("foo");
 * console.log(map.hasValue("hello")); // false
 *
 * map.deleteValue("world");
 * console.log(map.has("bar")); // false
 * ```
 */
export default class BiMap<K, V> extends Map<K, V> {
    [inverse]: Map<V, K>;
    get [Symbol.toStringTag](): "BiMap";
    constructor(iterable?: Iterable<readonly [K, V]> | null);
    set(key: K, value: V): this;
    getKey(value: V): K | undefined;
    hasValue(value: V): boolean;
    deleteValue(value: V): boolean;
    clear(): void;
}
export {};