Function mapGetOrCreate

mapGetOrCreate<K, V, VI extends (key: K) => V | Promise<V>>(
    map: Map<K, V>,
    key: K,
    valueInitializer: VI,
): ReturnType<VI>
Get or create a value for the specified key
Type Parameters
- K
- V
- VI extends (key: K) => V | Promise<V>
Parameters
- map: Map<K, V>
  Map to get or create the value in
- key: K
  Key of the value in the map
- valueInitializer: VI
  Value initializer call when the value is not set
Returns ReturnType<VI>
- Defined in packages/util/src/collection.ts:364