Function useReducer

test/neverland.js:524–531

(reducer, value, init, options)

  /*! (c) Andrea Giammarchi - ISC */
  var useReducer = function useReducer(reducer, value, init, options) {
    var fn = typeof init === 'function'; // avoid `cons [state, update] = ...` Babel destructuring bloat

    var pair = useState(fn ? init(value) : value, fn ? options : init);
    return [pair[0], function (value) {
      pair[1](reducer(pair[0], value));
    }];
  };

  /*! (c) Andrea Giammarchi - ISC */
  var useRef = function useRef(value) {