Class EntitySharedPropertiesMap

Readonly[toStringTag]

Readonlysize

Static Readonly[species]

[iterator]

• "[iterator]"(): MapIterator<[string, string | number | boolean]>

  Returns an iterable of entries in the map.

  Returns MapIterator<[string, string | number | boolean]>

entries

• entries(): MapIterator<[string, string | number | boolean]>

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

  Returns MapIterator<[string, string | number | boolean]>

forEach

• forEach(
      callbackfn: (
          value: string | number | boolean,
          key: string,
          map: Map<string, string | number | boolean>,
      ) => void,
      thisArg?: any,
  ): void

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

  Parameters

  • callbackfn: (
        value: string | number | boolean,
        key: string,
        map: Map<string, string | number | boolean>,
    ) => void
  • OptionalthisArg: any

  Returns void

has

• has(key: string): boolean

  Parameters

  • key: string

  Returns boolean

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

keys

• keys(): MapIterator<string>

  Returns an iterable of keys in the map

  Returns MapIterator<string>

values

• values(): MapIterator<string | number | boolean>

  Returns an iterable of values in the map

  Returns MapIterator<string | number | boolean>

StaticgroupBy

• groupBy<K, T>(
      items: Iterable<T>,
      keySelector: (item: T, index: number) => K,
  ): 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: T, index: number) => K

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

  Returns Map<K, T[]>