Class LruMap<K, V>

Readonly [toStringTag]

Readonly size

Static Readonly [species]

[iterator]

• [iterator](): IterableIterator<[K, V]>

• Returns an iterable of entries in the map.

  Returns IterableIterator<[K, V]>

clear

• clear(): void

• Returns void

delete

• delete(key): boolean

• Parameters

  • key: K

  Returns boolean

  true if an element in the Map existed and has been removed, or false if the element does not exist.

entries

• entries(): IterableIterator<[K, V]>

• Returns an iterable of key, value pairs for every entry in the map.

  Returns IterableIterator<[K, V]>

forEach

• forEach(callbackfn, thisArg?): void

• Executes a provided function once per each key/value pair in the Map, in insertion order.

  Parameters

  • callbackfn: ((value, key, map) => void)
    • • (value, key, map): void

      • Parameters

        • value: V
        • key: K
        • map: Map<K, V>

        Returns void

  • Optional thisArg: any

  Returns void

has

• has(key): boolean

• Parameters

  • key: K

  Returns boolean

  boolean indicating whether an element with the specified key exists or not.

keys

• keys(): IterableIterator<K>

• Returns an iterable of keys in the map

  Returns IterableIterator<K>

values

• values(): IterableIterator<V>

• Returns an iterable of values in the map

  Returns IterableIterator<V>

Static groupBy

• groupBy<K, T>(items, keySelector): Map<K, T[]>

• Groups members of an iterable according to the return value of the passed callback.

  Type Parameters

  • K
  • T

  Parameters

  • items: Iterable<T>

    An iterable.
  • keySelector: ((item, index) => K)

    A callback which will be invoked for each item in items.

    • • (item, index): K

      • Parameters

        • item: T
        • index: number

        Returns K

  Returns Map<K, T[]>