snamiki1212

/**
 *  Check to render null/undefined/component.
 *
 *  Conclusion: `{makeComponent(...)}` is better than `<MakeComponent ... />` because of `undefined` case.
 */
const Component = () => {
  const makeNull = () => null;
  const makeUndefined = () => undefined;
  const makeComponent = (props: { item: string }) => (
    <div>makeComponent: {props.item}</div>

snamiki1212

// DECRALER
const ReduxContext = React.createContext(null);
export const ReduxProvider = ({ children }) => {
  const [state, dispatch] = React.useReducer(reducer, initParams);
  return (
    <ReduxContext.Provider value={{ state, dispatch }}>
      {children}