Function createInjectionState

packages/shared/createInjectionState/index.ts:22–35

(
  composable: (...args: Arguments) => Return,
  options?: CreateInjectionStateOptions<Return>,
)

 *
 */
export function createInjectionState<Arguments extends Array<any>, Return>(
  composable: (...args: Arguments) => Return,
  options?: CreateInjectionStateOptions<Return>,
): readonly [useProvidingState: (...args: Arguments) => Return, useInjectedState: () => Return | undefined] {
  const key: string | InjectionKey<Return> = options?.injectionKey || Symbol(composable.name || 'InjectionState')
  const defaultValue = options?.defaultValue
  const useProvidingState = (...args: Arguments) => {
    const state = composable(...args)
    provideLocal(key, state)
    return state
  }
  const useInjectedState = () => injectLocal(key, defaultValue)
  return [useProvidingState, useInjectedState]
}