Class IsEmptyPipe

transform

• transform(value: string | Object | unknown[] | Set<unknown> | Map<unknown, unknown>): boolean

• Check if is value is empty.

  Parameters

  • value: string | Object | unknown[] | Set<unknown> | Map<unknown, unknown>

  Returns boolean

  True for:

  • null
  • undefined
  • Array if Array.length === 0
  • String if string.length === 0
  • Object with no keys
  • (Set | Map).size === 0 otherwise false.