Function useContext

packages/react/src/ReactHooks.js:53–64

(Context: ReactContext<T>)

}

export function useContext<T>(Context: ReactContext<T>): T {
  const dispatcher = resolveDispatcher();
  if (__DEV__) {
    if (Context.$$typeof === REACT_CONSUMER_TYPE) {
      console.error(
        'Calling useContext(Context.Consumer) is not supported and will cause bugs. ' +
          'Did you mean to call useContext(Context) instead?',
      );
    }
  }
  return dispatcher.useContext(Context);
}

export function useState<S>(
  initialState: (() => S) | S,