@goodpath/react-chat-components/dist/index.es.js

PubNub Chat Components is a development kit of React components that aims to help you to easily build Chat applications using PubNub infrastructure. It removes the complexicity of picking an adequate Chat engine, learning its APIs and dealing with its low

import * as React from 'react';
import React__default, { useCallback, useEffect, Component, useRef, useState, useDebugValue, useContext, createElement, memo, useMemo } from 'react';
import { usePubNub } from 'pubnub-react';

function isFilePayload(message) {
    return message.file !== undefined;
}

/******************************************************************************
Copyright (c) Microsoft Corporation.

Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
/* global Reflect, Promise */

var extendStatics = function(d, b) {
    extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
    return extendStatics(d, b);
};

function __extends(d, b) {
    if (typeof b !== "function" && b !== null)
        throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
    extendStatics(d, b);
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
}

var __assign$1 = function() {
    __assign$1 = Object.assign || function __assign(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
        }
        return t;
    };
    return __assign$1.apply(this, arguments);
};

function __rest$1(s, e) {
    var t = {};
    for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
        t[p] = s[p];
    if (s != null && typeof Object.getOwnPropertySymbols === "function")
        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
            if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
                t[p[i]] = s[p[i]];
        }
    return t;
}

function __awaiter(thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
}

function __generator(thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (_) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
}

function __spreadArray(to, from, pack) {
    if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
        if (ar || !(i in from)) {
            if (!ar) ar = Array.prototype.slice.call(from, 0, i);
            ar[i] = from[i];
        }
    }
    return to.concat(ar || Array.prototype.slice.call(from));
}

function __makeTemplateObject(cooked, raw) {
    if (Object.defineProperty) { Object.defineProperty(cooked, "raw", { value: raw }); } else { cooked.raw = raw; }
    return cooked;
}

var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};

function createCommonjsModule(fn, basedir, module) {
	return module = {
		path: basedir,
		exports: {},
		require: function (path, base) {
			return commonjsRequire(path, (base === undefined || base === null) ? module.path : base);
		}
	}, fn(module, module.exports), module.exports;
}

function commonjsRequire () {
	throw new Error('Dynamic requires are not currently supported by @rollup/plugin-commonjs');
}

var jotai = createCommonjsModule(function (module, exports) {

Object.defineProperty(exports, '__esModule', { value: true });



function _extends() {
  _extends = Object.assign ? Object.assign.bind() : function (target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i];

      for (var key in source) {
        if (Object.prototype.hasOwnProperty.call(source, key)) {
          target[key] = source[key];
        }
      }
    }

    return target;
  };
  return _extends.apply(this, arguments);
}

function _unsupportedIterableToArray(o, minLen) {
  if (!o) return;
  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
  var n = Object.prototype.toString.call(o).slice(8, -1);
  if (n === "Object" && o.constructor) n = o.constructor.name;
  if (n === "Map" || n === "Set") return Array.from(o);
  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
}

function _arrayLikeToArray(arr, len) {
  if (len == null || len > arr.length) len = arr.length;

  for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];

  return arr2;
}

function _createForOfIteratorHelperLoose(o, allowArrayLike) {
  var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"];
  if (it) return (it = it.call(o)).next.bind(it);

  if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") {
    if (it) o = it;
    var i = 0;
    return function () {
      if (i >= o.length) return {
        done: true
      };
      return {
        done: false,
        value: o[i++]
      };
    };
  }

  throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}

var SUSPENSE_PROMISE = Symbol();
var isSuspensePromise = function isSuspensePromise(promise) {
  return !!promise[SUSPENSE_PROMISE];
};
var isSuspensePromiseAlreadyCancelled = function isSuspensePromiseAlreadyCancelled(suspensePromise) {
  return !suspensePromise[SUSPENSE_PROMISE].c;
};
var cancelSuspensePromise = function cancelSuspensePromise(suspensePromise) {
  var _suspensePromise$SUSP, _suspensePromise$SUSP2;

  (_suspensePromise$SUSP = (_suspensePromise$SUSP2 = suspensePromise[SUSPENSE_PROMISE]).c) == null ? void 0 : _suspensePromise$SUSP.call(_suspensePromise$SUSP2);
};
var isEqualSuspensePromise = function isEqualSuspensePromise(oldSuspensePromise, newSuspensePromise) {
  var oldOriginalPromise = oldSuspensePromise[SUSPENSE_PROMISE].o;
  var newOriginalPromise = newSuspensePromise[SUSPENSE_PROMISE].o;
  return oldOriginalPromise === newOriginalPromise || oldSuspensePromise === newOriginalPromise || isSuspensePromise(oldOriginalPromise) && isEqualSuspensePromise(oldOriginalPromise, newSuspensePromise);
};
var createSuspensePromise = function createSuspensePromise(promise) {
  var objectToAttach = {
    o: promise,
    c: null
  };
  var suspensePromise = new Promise(function (resolve) {
    objectToAttach.c = function () {
      objectToAttach.c = null;
      resolve();
    };

    promise.then(objectToAttach.c, objectToAttach.c);
  });
  suspensePromise[SUSPENSE_PROMISE] = objectToAttach;
  return suspensePromise;
};

var hasInitialValue = function hasInitialValue(atom) {
  return 'init' in atom;
};

var READ_ATOM = 'r';
var WRITE_ATOM = 'w';
var COMMIT_ATOM = 'c';
var SUBSCRIBE_ATOM = 's';
var RESTORE_ATOMS = 'h';
var DEV_SUBSCRIBE_STATE = 'n';
var DEV_GET_MOUNTED_ATOMS = 'l';
var DEV_GET_ATOM_STATE = 'a';
var DEV_GET_MOUNTED = 'm';
var createStore = function createStore(initialValues) {
  var _ref4;

  var committedAtomStateMap = new WeakMap();
  var mountedMap = new WeakMap();
  var pendingMap = new Map();
  var stateListeners;
  var mountedAtoms;

  if (process.env.NODE_ENV !== "production") {
    stateListeners = new Set();
    mountedAtoms = new Set();
  }

  if (initialValues) {
    for (var _iterator = _createForOfIteratorHelperLoose(initialValues), _step; !(_step = _iterator()).done;) {
      var _step$value = _step.value,
          atom = _step$value[0],
          value = _step$value[1];
      var atomState = {
        v: value,
        r: 0,
        d: new Map()
      };

      if (process.env.NODE_ENV !== "production") {
        Object.freeze(atomState);

        if (!hasInitialValue(atom)) {
          console.warn('Found initial value for derived atom which can cause unexpected behavior', atom);
        }
      }

      committedAtomStateMap.set(atom, atomState);
    }
  }

  var suspensePromiseCacheMap = new WeakMap();

  var addSuspensePromiseToCache = function addSuspensePromiseToCache(version, atom, suspensePromise) {
    var cache = suspensePromiseCacheMap.get(atom);

    if (!cache) {
      cache = new Map();
      suspensePromiseCacheMap.set(atom, cache);
    }

    suspensePromise.then(function () {
      if (cache.get(version) === suspensePromise) {
        cache.delete(version);

        if (!cache.size) {
          suspensePromiseCacheMap.delete(atom);
        }
      }
    });
    cache.set(version, suspensePromise);
  };

  var cancelAllSuspensePromiseInCache = function cancelAllSuspensePromiseInCache(atom) {
    var versionSet = new Set();
    var cache = suspensePromiseCacheMap.get(atom);

    if (cache) {
      suspensePromiseCacheMap.delete(atom);
      cache.forEach(function (suspensePromise, version) {
        cancelSuspensePromise(suspensePromise);
        versionSet.add(version);
      });
    }

    return versionSet;
  };

  var versionedAtomStateMapMap = new WeakMap();

  var getVersionedAtomStateMap = function getVersionedAtomStateMap(version) {
    var versionedAtomStateMap = versionedAtomStateMapMap.get(version);

    if (!versionedAtomStateMap) {
      versionedAtomStateMap = new Map();
      versionedAtomStateMapMap.set(version, versionedAtomStateMap);
    }

    return versionedAtomStateMap;
  };

  var getAtomState = function getAtomState(version, atom) {
    if (version) {
      var versionedAtomStateMap = getVersionedAtomStateMap(version);

      var _atomState = versionedAtomStateMap.get(atom);

      if (!_atomState) {
        _atomState = getAtomState(version.p, atom);

        if (_atomState) {
          if ('p' in _atomState) {
            _atomState.p.then(function () {
              return versionedAtomStateMap.delete(atom);
            });
          }

          versionedAtomStateMap.set(atom, _atomState);
        }
      }

      return _atomState;
    }

    return committedAtomStateMap.get(atom);
  };

  var setAtomState = function setAtomState(version, atom, atomState) {
    if (process.env.NODE_ENV !== "production") {
      Object.freeze(atomState);
    }

    if (version) {
      var versionedAtomStateMap = getVersionedAtomStateMap(version);
      versionedAtomStateMap.set(atom, atomState);
    } else {
      var prevAtomState = committedAtomStateMap.get(atom);
      committedAtomStateMap.set(atom, atomState);

      if (!pendingMap.has(atom)) {
        pendingMap.set(atom, prevAtomState);
      }
    }
  };

  var createReadDependencies = function createReadDependencies(version, prevReadDependencies, dependencies) {
    if (prevReadDependencies === void 0) {
      prevReadDependencies = new Map();
    }

    if (!dependencies) {
      return prevReadDependencies;
    }

    var readDependencies = new Map();
    var changed = false;
    dependencies.forEach(function (atom) {
      var _getAtomState;

      var revision = ((_getAtomState = getAtomState(version, atom)) == null ? void 0 : _getAtomState.r) || 0;
      readDependencies.set(atom, revision);

      if (prevReadDependencies.get(atom) !== revision) {
        changed = true;
      }
    });

    if (prevReadDependencies.size === readDependencies.size && !changed) {
      return prevReadDependencies;
    }

    return readDependencies;
  };

  var setAtomValue = function setAtomValue(version, atom, value, dependencies, suspensePromise) {
    var atomState = getAtomState(version, atom);

    if (atomState) {
      if (suspensePromise && (!('p' in atomState) || !isEqualSuspensePromise(atomState.p, suspensePromise))) {
        return atomState;
      }

      if ('p' in atomState) {
        cancelSuspensePromise(atomState.p);
      }
    }

    var nextAtomState = {
      v: value,
      r: (atomState == null ? void 0 : atomState.r) || 0,
      d: createReadDependencies(version, atomState == null ? void 0 : atomState.d, dependencies)
    };
    var changed = false;

    if (!atomState || !('v' in atomState) || !Object.is(atomState.v, value)) {
      changed = true;
      ++nextAtomState.r;

      if (nextAtomState.d.has(atom)) {
        nextAtomState.d = new Map(nextAtomState.d).set(atom, nextAtomState.r);
      }
    } else if (nextAtomState.d !== atomState.d && (nextAtomState.d.size !== atomState.d.size || !Array.from(nextAtomState.d.keys()).every(function (a) {
      return atomState.d.has(a);
    }))) {
      changed = true;
      Promise.resolve().then(function () {
        flushPending(version);
      });
    }

    if (atomState && !changed) {
      return atomState;
    }

    setAtomState(version, atom, nextAtomState);
    return nextAtomState;
  };

  var setAtomReadError = function setAtomReadError(version, atom, error, dependencies, suspensePromise) {
    var atomState = getAtomState(version, atom);

    if (atomState) {
      if (suspensePromise && (!('p' in atomState) || !isEqualSuspensePromise(atomState.p, suspensePromise))) {
        return atomState;
      }

      if ('p' in atomState) {
        cancelSuspensePromise(atomState.p);
      }
    }

    var nextAtomState = {
      e: error,
      r: (atomState == null ? void 0 : atomState.r) || 0,
      d: createReadDependencies(version, atomState == null ? void 0 : atomState.d, dependencies)
    };
    setAtomState(version, atom, nextAtomState);
    return nextAtomState;
  };

  var setAtomSuspensePromise = function setAtomSuspensePromise(version, atom, suspensePromise, dependencies) {
    var atomState = getAtomState(version, atom);

    if (atomState && 'p' in atomState) {
      if (isEqualSuspensePromise(atomState.p, suspensePromise)) {
        return atomState;
      }

      cancelSuspensePromise(atomState.p);
    }

    addSuspensePromiseToCache(version, atom, suspensePromise);
    var nextAtomState = {
      p: suspensePromise,
      r: (atomState == null ? void 0 : atomState.r) || 0,
      d: createReadDependencies(version, atomState == null ? void 0 : atomState.d, dependencies)
    };
    setAtomState(version, atom, nextAtomState);
    return nextAtomState;
  };

  var setAtomPromiseOrValue = function setAtomPromiseOrValue(version, atom, promiseOrValue, dependencies) {
    if (promiseOrValue instanceof Promise) {
      var suspensePromise = createSuspensePromise(promiseOrValue.then(function (value) {
        setAtomValue(version, atom, value, dependencies, suspensePromise);
      }).catch(function (e) {
        if (e instanceof Promise) {
          if (isSuspensePromise(e)) {
            return e.then(function () {
              readAtomState(version, atom, true);
            });
          }

          return e;
        }

        setAtomReadError(version, atom, e, dependencies, suspensePromise);
      }));
      return setAtomSuspensePromise(version, atom, suspensePromise, dependencies);
    }

    return setAtomValue(version, atom, promiseOrValue, dependencies);
  };

  var setAtomInvalidated = function setAtomInvalidated(version, atom) {
    var atomState = getAtomState(version, atom);

    if (atomState) {
      var nextAtomState = _extends({}, atomState, {
        i: atomState.r
      });

      setAtomState(version, atom, nextAtomState);
    } else if (process.env.NODE_ENV !== "production") {
      console.warn('[Bug] could not invalidate non existing atom', atom);
    }
  };

  var readAtomState = function readAtomState(version, atom, force) {
    if (!force) {
      var _atomState2 = getAtomState(version, atom);

      if (_atomState2) {
        if (_atomState2.r !== _atomState2.i && 'p' in _atomState2 && !isSuspensePromiseAlreadyCancelled(_atomState2.p)) {
          return _atomState2;
        }

        _atomState2.d.forEach(function (_, a) {
          if (a !== atom) {
            if (!mountedMap.has(a)) {
              readAtomState(version, a);
            } else {
              var aState = getAtomState(version, a);

              if (aState && aState.r === aState.i) {
                readAtomState(version, a);
              }
            }
          }
        });

        if (Array.from(_atomState2.d).every(function (_ref) {
          var a = _ref[0],
              r = _ref[1];
          var aState = getAtomState(version, a);
          return aState && 'v' in aState && aState.r === r;
        })) {
          return _atomState2;
        }
      }
    }

    var dependencies = new Set();

    try {
      var promiseOrValue = atom.read(function (a) {
        dependencies.add(a);
        var aState = a === atom ? getAtomState(version, a) : readAtomState(version, a);

        if (aState) {
          if ('e' in aState) {
            throw aState.e;
          }

          if ('p' in aState) {
            throw aState.p;
          }

          return aState.v;
        }

        if (hasInitialValue(a)) {
          return a.init;
        }

        throw new Error('no atom init');
      });
      return setAtomPromiseOrValue(version, atom, promiseOrValue, dependencies);
    } catch (errorOrPromise) {
      if (errorOrPromise instanceof Promise) {
        var suspensePromise = createSuspensePromise(errorOrPromise);
        return setAtomSuspensePromise(version, atom, suspensePromise, dependencies);
      }

      return setAtomReadError(version, atom, errorOrPromise, dependencies);
    }
  };

  var readAtom = function readAtom(readingAtom, version) {
    var atomState = readAtomState(version, readingAtom);
    return atomState;
  };

  var addAtom = function addAtom(addingAtom) {
    var mounted = mountedMap.get(addingAtom);

    if (!mounted) {
      mounted = mountAtom(addingAtom);
    }

    return mounted;
  };

  var canUnmountAtom = function canUnmountAtom(atom, mounted) {
    return !mounted.l.size && (!mounted.t.size || mounted.t.size === 1 && mounted.t.has(atom));
  };

  var delAtom = function delAtom(deletingAtom) {
    var mounted = mountedMap.get(deletingAtom);

    if (mounted && canUnmountAtom(deletingAtom, mounted)) {
      unmountAtom(deletingAtom);
    }
  };

  var invalidateDependents = function invalidateDependents(version, atom) {
    var mounted = mountedMap.get(atom);
    mounted == null ? void 0 : mounted.t.forEach(function (dependent) {
      if (dependent !== atom) {
        setAtomInvalidated(version, dependent);
        invalidateDependents(version, dependent);
      }
    });
  };

  var writeAtomState = function writeAtomState(version, atom, update) {
    var isSync = true;

    var writeGetter = function writeGetter(a, options) {
      var aState = readAtomState(version, a);

      if ('e' in aState) {
        throw aState.e;
      }

      if ('p' in aState) {
        if (options != null && options.unstable_promise) {
          return aState.p.then(function () {
            return writeGetter(a, options);
          });
        }

        if (process.env.NODE_ENV !== "production") {
          console.info('Reading pending atom state in write operation. We throw a promise for now.', a);
        }

        throw aState.p;
      }

      if ('v' in aState) {
        return aState.v;
      }

      if (process.env.NODE_ENV !== "production") {
        console.warn('[Bug] no value found while reading atom in write operation. This is probably a bug.', a);
      }

      throw new Error('no value found');
    };

    var setter = function setter(a, v) {
      var promiseOrVoid;

      if (a === atom) {
        if (!hasInitialValue(a)) {
          throw new Error('atom not writable');
        }

        var versionSet = cancelAllSuspensePromiseInCache(a);
        versionSet.forEach(function (cancelledVersion) {
          if (cancelledVersion !== version) {
            setAtomPromiseOrValue(cancelledVersion, a, v);
          }
        });
        var prevAtomState = getAtomState(version, a);
        var nextAtomState = setAtomPromiseOrValue(version, a, v);

        if (prevAtomState !== nextAtomState) {
          invalidateDependents(version, a);
        }
      } else {
        promiseOrVoid = writeAtomState(version, a, v);
      }

      if (!isSync) {
        flushPending(version);
      }

      return promiseOrVoid;
    };

    var promiseOrVoid = atom.write(writeGetter, setter, update);
    isSync = false;
    version = undefined;
    return promiseOrVoid;
  };

  var writeAtom = function writeAtom(writingAtom, update, version) {
    var promiseOrVoid = writeAtomState(version, writingAtom, update);
    flushPending(version);
    return promiseOrVoid;
  };

  var isActuallyWritableAtom = function isActuallyWritableAtom(atom) {
    return !!atom.write;
  };

  var mountAtom = function mountAtom(atom, initialDependent) {
    var mounted = {
      t: new Set(initialDependent && [initialDependent]),
      l: new Set()
    };
    mountedMap.set(atom, mounted);

    if (process.env.NODE_ENV !== "production") {
      mountedAtoms.add(atom);
    }

    var atomState = readAtomState(undefined, atom);
    atomState.d.forEach(function (_, a) {
      var aMounted = mountedMap.get(a);

      if (aMounted) {
        aMounted.t.add(atom);
      } else {
        if (a !== atom) {
          mountAtom(a, atom);
        }
      }
    });

    if (isActuallyWritableAtom(atom) && atom.onMount) {
      var setAtom = function setAtom(update) {
        return writeAtom(atom, update);
      };

      var onUnmount = atom.onMount(setAtom);

      if (onUnmount) {
        mounted.u = onUnmount;
      }
    }

    return mounted;
  };

  var unmountAtom = function unmountAtom(atom) {
    var _mountedMap$get;

    var onUnmount = (_mountedMap$get = mountedMap.get(atom)) == null ? void 0 : _mountedMap$get.u;

    if (onUnmount) {
      onUnmount();
    }

    mountedMap.delete(atom);

    if (process.env.NODE_ENV !== "production") {
      mountedAtoms.delete(atom);
    }

    var atomState = getAtomState(undefined, atom);

    if (atomState) {
      atomState.d.forEach(function (_, a) {
        if (a !== atom) {
          var mounted = mountedMap.get(a);

          if (mounted) {
            mounted.t.delete(atom);

            if (canUnmountAtom(a, mounted)) {
              unmountAtom(a);
            }
          }
        }
      });
    } else if (process.env.NODE_ENV !== "production") {
      console.warn('[Bug] could not find atom state to unmount', atom);
    }
  };

  var mountDependencies = function mountDependencies(atom, atomState, prevReadDependencies) {
    var dependencies = new Set(atomState.d.keys());
    prevReadDependencies == null ? void 0 : prevReadDependencies.forEach(function (_, a) {
      if (dependencies.has(a)) {
        dependencies.delete(a);
        return;
      }

      var mounted = mountedMap.get(a);

      if (mounted) {
        mounted.t.delete(atom);

        if (canUnmountAtom(a, mounted)) {
          unmountAtom(a);
        }
      }
    });
    dependencies.forEach(function (a) {
      var mounted = mountedMap.get(a);

      if (mounted) {
        mounted.t.add(atom);
      } else if (mountedMap.has(atom)) {
        mountAtom(a, atom);
      }
    });
  };

  var flushPending = function flushPending(version) {
    if (version) {
      var versionedAtomStateMap = getVersionedAtomStateMap(version);
      versionedAtomStateMap.forEach(function (atomState, atom) {
        var committedAtomState = committedAtomStateMap.get(atom);

        if (atomState !== committedAtomState) {
          var mounted = mountedMap.get(atom);
          mounted == null ? void 0 : mounted.l.forEach(function (listener) {
            return listener(version);
          });
        }
      });
      return;
    }

    while (pendingMap.size) {
      var pending = Array.from(pendingMap);
      pendingMap.clear();
      pending.forEach(function (_ref2) {
        var atom = _ref2[0],
            prevAtomState = _ref2[1];
        var atomState = getAtomState(undefined, atom);

        if (atomState && atomState.d !== (prevAtomState == null ? void 0 : prevAtomState.d)) {
          mountDependencies(atom, atomState, prevAtomState == null ? void 0 : prevAtomState.d);
        }

        if (atomState && 'p' in atomState && atomState.r === (prevAtomState == null ? void 0 : prevAtomState.i)) {
          return;
        }

        var mounted = mountedMap.get(atom);
        mounted == null ? void 0 : mounted.l.forEach(function (listener) {
          return listener();
        });
      });
    }

    if (process.env.NODE_ENV !== "production") {
      stateListeners.forEach(function (l) {
        return l();
      });
    }
  };

  var commitVersionedAtomStateMap = function commitVersionedAtomStateMap(version) {
    var versionedAtomStateMap = getVersionedAtomStateMap(version);
    versionedAtomStateMap.forEach(function (atomState, atom) {
      var prevAtomState = committedAtomStateMap.get(atom);

      if (atomState.r > ((prevAtomState == null ? void 0 : prevAtomState.r) || 0) || 'v' in atomState && atomState.r === (prevAtomState == null ? void 0 : prevAtomState.r) && atomState.d !== (prevAtomState == null ? void 0 : prevAtomState.d)) {
        committedAtomStateMap.set(atom, atomState);

        if (atomState.d !== (prevAtomState == null ? void 0 : prevAtomState.d)) {
          mountDependencies(atom, atomState, prevAtomState == null ? void 0 : prevAtomState.d);
        }
      }
    });
  };

  var commitAtom = function commitAtom(_atom, version) {
    if (version) {
      commitVersionedAtomStateMap(version);
    }

    flushPending(undefined);
  };

  var subscribeAtom = function subscribeAtom(atom, callback) {
    var mounted = addAtom(atom);
    var listeners = mounted.l;
    listeners.add(callback);
    return function () {
      listeners.delete(callback);
      delAtom(atom);
    };
  };

  var restoreAtoms = function restoreAtoms(values, version) {
    for (var _iterator2 = _createForOfIteratorHelperLoose(values), _step2; !(_step2 = _iterator2()).done;) {
      var _step2$value = _step2.value,
          _atom2 = _step2$value[0],
          _value = _step2$value[1];

      if (hasInitialValue(_atom2)) {
        setAtomPromiseOrValue(version, _atom2, _value);
        invalidateDependents(version, _atom2);
      }
    }

    flushPending(version);
  };

  if (process.env.NODE_ENV !== "production") {
    var _ref3;

    return _ref3 = {}, _ref3[READ_ATOM] = readAtom, _ref3[WRITE_ATOM] = writeAtom, _ref3[COMMIT_ATOM] = commitAtom, _ref3[SUBSCRIBE_ATOM] = subscribeAtom, _ref3[RESTORE_ATOMS] = restoreAtoms, _ref3[DEV_SUBSCRIBE_STATE] = function (l) {
      stateListeners.add(l);
      return function () {
        stateListeners.delete(l);
      };
    }, _ref3[DEV_GET_MOUNTED_ATOMS] = function () {
      return mountedAtoms.values();
    }, _ref3[DEV_GET_ATOM_STATE] = function (a) {
      return committedAtomStateMap.get(a);
    }, _ref3[DEV_GET_MOUNTED] = function (a) {
      return mountedMap.get(a);
    }, _ref3;
  }

  return _ref4 = {}, _ref4[READ_ATOM] = readAtom, _ref4[WRITE_ATOM] = writeAtom, _ref4[COMMIT_ATOM] = commitAtom, _ref4[SUBSCRIBE_ATOM] = subscribeAtom, _ref4[RESTORE_ATOMS] = restoreAtoms, _ref4;
};
var createStoreForExport = function createStoreForExport(initialValues) {
  var store = createStore(initialValues);

  var get = function get(atom) {
    var atomState = store[READ_ATOM](atom);

    if ('e' in atomState) {
      throw atomState.e;
    }

    if ('p' in atomState) {
      return undefined;
    }

    return atomState.v;
  };

  var asyncGet = function asyncGet(atom) {
    return new Promise(function (resolve, reject) {
      var atomState = store[READ_ATOM](atom);

      if ('e' in atomState) {
        reject(atomState.e);
      } else if ('p' in atomState) {
        resolve(atomState.p.then(function () {
          return asyncGet(atom);
        }));
      } else {
        resolve(atomState.v);
      }
    });
  };

  var set = function set(atom, update) {
    return store[WRITE_ATOM](atom, update);
  };

  var sub = function sub(atom, callback) {
    return store[SUBSCRIBE_ATOM](atom, callback);
  };

  return {
    get: get,
    asyncGet: asyncGet,
    set: set,
    sub: sub,
    SECRET_INTERNAL_store: store
  };
};

var createScopeContainer = function createScopeContainer(initialValues, unstable_createStore) {
  var store = unstable_createStore ? unstable_createStore(initialValues).SECRET_INTERNAL_store : createStore(initialValues);
  return {
    s: store
  };
};
var ScopeContextMap = new Map();
var getScopeContext = function getScopeContext(scope) {
  if (!ScopeContextMap.has(scope)) {
    ScopeContextMap.set(scope, React__default.createContext(createScopeContainer()));
  }

  return ScopeContextMap.get(scope);
};

var Provider = function Provider(_ref) {
  var children = _ref.children,
      initialValues = _ref.initialValues,
      scope = _ref.scope,
      unstable_createStore = _ref.unstable_createStore,
      unstable_enableVersionedWrite = _ref.unstable_enableVersionedWrite;

  var _useState = React__default.useState({}),
      version = _useState[0],
      setVersion = _useState[1];

  React__default.useEffect(function () {
    if (version) {
      scopeContainerRef.current.s[COMMIT_ATOM](null, version);
      delete version.p;
    }
  }, [version]);
  var scopeContainerRef = React__default.useRef();

  if (!scopeContainerRef.current) {
    scopeContainerRef.current = createScopeContainer(initialValues, unstable_createStore);

    if (unstable_enableVersionedWrite) {
      scopeContainerRef.current.w = function (write) {
        setVersion(function (parentVersion) {
          var nextVersion = parentVersion ? {
            p: parentVersion
          } : {};
          write(nextVersion);
          return nextVersion;
        });
      };
    }
  }

  var ScopeContainerContext = getScopeContext(scope);
  return React__default.createElement(ScopeContainerContext.Provider, {
    value: scopeContainerRef.current
  }, children);
};

var keyCount = 0;
function atom(read, write) {
  var key = "atom" + ++keyCount;
  var config = {
    toString: function toString() {
      return key;
    }
  };

  if (typeof read === 'function') {
    config.read = read;
  } else {
    config.init = read;

    config.read = function (get) {
      return get(config);
    };

    config.write = function (get, set, update) {
      return set(config, typeof update === 'function' ? update(get(config)) : update);
    };
  }

  if (write) {
    config.write = write;
  }

  return config;
}

function useAtomValue(atom, scope) {
  var ScopeContext = getScopeContext(scope);

  var _useContext = React__default.useContext(ScopeContext),
      store = _useContext.s;

  var getAtomValue = React__default.useCallback(function (version) {
    var atomState = store[READ_ATOM](atom, version);

    if ('e' in atomState) {
      throw atomState.e;
    }

    if ('p' in atomState) {
      throw atomState.p;
    }

    if ('v' in atomState) {
      return atomState.v;
    }

    throw new Error('no atom value');
  }, [store, atom]);

  var _useReducer = React__default.useReducer(React__default.useCallback(function (prev, nextVersion) {
    var nextValue = getAtomValue(nextVersion);

    if (Object.is(prev[1], nextValue) && prev[2] === atom) {
      return prev;
    }

    return [nextVersion, nextValue, atom];
  }, [getAtomValue, atom]), undefined, function () {
    var initialVersion = undefined;
    var initialValue = getAtomValue(initialVersion);
    return [initialVersion, initialValue, atom];
  }),
      _useReducer$ = _useReducer[0],
      version = _useReducer$[0],
      value = _useReducer$[1],
      atomFromUseReducer = _useReducer$[2],
      rerenderIfChanged = _useReducer[1];

  if (atomFromUseReducer !== atom) {
    rerenderIfChanged(undefined);
  }

  React__default.useEffect(function () {
    var unsubscribe = store[SUBSCRIBE_ATOM](atom, rerenderIfChanged);
    rerenderIfChanged(undefined);
    return unsubscribe;
  }, [store, atom]);
  React__default.useEffect(function () {
    store[COMMIT_ATOM](atom, version);
  });
  React__default.useDebugValue(value);
  return value;
}

function useSetAtom(atom, scope) {
  var ScopeContext = getScopeContext(scope);

  var _useContext = React__default.useContext(ScopeContext),
      store = _useContext.s,
      versionedWrite = _useContext.w;

  var setAtom = React__default.useCallback(function (update) {
    if (process.env.NODE_ENV !== "production" && !('write' in atom)) {
      throw new Error('not writable atom');
    }

    var write = function write(version) {
      return store[WRITE_ATOM](atom, update, version);
    };

    return versionedWrite ? versionedWrite(write) : write();
  }, [store, versionedWrite, atom]);
  return setAtom;
}

function useAtom(atom, scope) {
  if ('scope' in atom) {
    console.warn('atom.scope is deprecated. Please do useAtom(atom, scope) instead.');
    scope = atom.scope;
  }

  return [useAtomValue(atom, scope), useSetAtom(atom, scope)];
}

exports.Provider = Provider;
exports.SECRET_INTERNAL_getScopeContext = getScopeContext;
exports.atom = atom;
exports.unstable_createStore = createStoreForExport;
exports.useAtom = useAtom;
exports.useAtomValue = useAtomValue;
exports.useSetAtom = useSetAtom;
});

var lodash_clonedeep = createCommonjsModule(function (module, exports) {
/**
 * lodash (Custom Build) <https://lodash.com/>
 * Build: `lodash modularize exports="npm" -o ./`
 * Copyright jQuery Foundation and other contributors <https://jquery.org/>
 * Released under MIT license <https://lodash.com/license>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 */

/** Used as the size to enable large array optimizations. */
var LARGE_ARRAY_SIZE = 200;

/** Used to stand-in for `undefined` hash values. */
var HASH_UNDEFINED = '__lodash_hash_undefined__';

/** Used as references for various `Number` constants. */
var MAX_SAFE_INTEGER = 9007199254740991;

/** `Object#toString` result references. */
var argsTag = '[object Arguments]',
    arrayTag = '[object Array]',
    boolTag = '[object Boolean]',
    dateTag = '[object Date]',
    errorTag = '[object Error]',
    funcTag = '[object Function]',
    genTag = '[object GeneratorFunction]',
    mapTag = '[object Map]',
    numberTag = '[object Number]',
    objectTag = '[object Object]',
    promiseTag = '[object Promise]',
    regexpTag = '[object RegExp]',
    setTag = '[object Set]',
    stringTag = '[object String]',
    symbolTag = '[object Symbol]',
    weakMapTag = '[object WeakMap]';

var arrayBufferTag = '[object ArrayBuffer]',
    dataViewTag = '[object DataView]',
    float32Tag = '[object Float32Array]',
    float64Tag = '[object Float64Array]',
    int8Tag = '[object Int8Array]',
    int16Tag = '[object Int16Array]',
    int32Tag = '[object Int32Array]',
    uint8Tag = '[object Uint8Array]',
    uint8ClampedTag = '[object Uint8ClampedArray]',
    uint16Tag = '[object Uint16Array]',
    uint32Tag = '[object Uint32Array]';

/**
 * Used to match `RegExp`
 * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
 */
var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;

/** Used to match `RegExp` flags from their coerced string values. */
var reFlags = /\w*$/;

/** Used to detect host constructors (Safari). */
var reIsHostCtor = /^\[object .+?Constructor\]$/;

/** Used to detect unsigned integer values. */
var reIsUint = /^(?:0|[1-9]\d*)$/;

/** Used to identify `toStringTag` values supported by `_.clone`. */
var cloneableTags = {};
cloneableTags[argsTag] = cloneableTags[arrayTag] =
cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =
cloneableTags[boolTag] = cloneableTags[dateTag] =
cloneableTags[float32Tag] = cloneableTags[float64Tag] =
cloneableTags[int8Tag] = cloneableTags[int16Tag] =
cloneableTags[int32Tag] = cloneableTags[mapTag] =
cloneableTags[numberTag] = cloneableTags[objectTag] =
cloneableTags[regexpTag] = cloneableTags[setTag] =
cloneableTags[stringTag] = cloneableTags[symbolTag] =
cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
cloneableTags[errorTag] = cloneableTags[funcTag] =
cloneableTags[weakMapTag] = false;

/** Detect free variable `global` from Node.js. */
var freeGlobal = typeof commonjsGlobal == 'object' && commonjsGlobal && commonjsGlobal.Object === Object && commonjsGlobal;

/** Detect free variable `self`. */
var freeSelf = typeof self == 'object' && self && self.Object === Object && self;

/** Used as a reference to the global object. */
var root = freeGlobal || freeSelf || Function('return this')();

/** Detect free variable `exports`. */
var freeExports = exports && !exports.nodeType && exports;

/** Detect free variable `module`. */
var freeModule = freeExports && 'object' == 'object' && module && !module.nodeType && module;

/** Detect the popular CommonJS extension `module.exports`. */
var moduleExports = freeModule && freeModule.exports === freeExports;

/**
 * Adds the key-value `pair` to `map`.
 *
 * @private
 * @param {Object} map The map to modify.
 * @param {Array} pair The key-value pair to add.
 * @returns {Object} Returns `map`.
 */
function addMapEntry(map, pair) {
  // Don't return `map.set` because it's not chainable in IE 11.
  map.set(pair[0], pair[1]);
  return map;
}

/**
 * Adds `value` to `set`.
 *
 * @private
 * @param {Object} set The set to modify.
 * @param {*} value The value to add.
 * @returns {Object} Returns `set`.
 */
function addSetEntry(set, value) {
  // Don't return `set.add` because it's not chainable in IE 11.
  set.add(value);
  return set;
}

/**
 * A specialized version of `_.forEach` for arrays without support for
 * iteratee shorthands.
 *
 * @private
 * @param {Array} [array] The array to iterate over.
 * @param {Function} iteratee The function invoked per iteration.
 * @returns {Array} Returns `array`.
 */
function arrayEach(array, iteratee) {
  var index = -1,
      length = array ? array.length : 0;

  while (++index < length) {
    if (iteratee(array[index], index, array) === false) {
      break;
    }
  }
  return array;
}

/**
 * Appends the elements of `values` to `array`.
 *
 * @private
 * @param {Array} array The array to modify.
 * @param {Array} values The values to append.
 * @returns {Array} Returns `array`.
 */
function arrayPush(array, values) {
  var index = -1,
      length = values.length,
      offset = array.length;

  while (++index < length) {
    array[offset + index] = values[index];
  }
  return array;
}

/**
 * A specialized version of `_.reduce` for arrays without support for
 * iteratee shorthands.
 *
 * @private
 * @param {Array} [array] The array to iterate over.
 * @param {Function} iteratee The function invoked per iteration.
 * @param {*} [accumulator] The initial value.
 * @param {boolean} [initAccum] Specify using the first element of `array` as
 *  the initial value.
 * @returns {*} Returns the accumulated value.
 */
function arrayReduce(array, iteratee, accumulator, initAccum) {
  var index = -1,
      length = array ? array.length : 0;

  if (initAccum && length) {
    accumulator = array[++index];
  }
  while (++index < length) {
    accumulator = iteratee(accumulator, array[index], index, array);
  }
  return accumulator;
}

/**
 * The base implementation of `_.times` without support for iteratee shorthands
 * or max array length checks.
 *
 * @private
 * @param {number} n The number of times to invoke `iteratee`.
 * @param {Function} iteratee The function invoked per iteration.
 * @returns {Array} Returns the array of results.
 */
function baseTimes(n, iteratee) {
  var index = -1,
      result = Array(n);

  while (++index < n) {
    result[index] = iteratee(index);
  }
  return result;
}

/**
 * Gets the value at `key` of `object`.
 *
 * @private
 * @param {Object} [object] The object to query.
 * @param {string} key The key of the property to get.
 * @returns {*} Returns the property value.
 */
function getValue(object, key) {
  return object == null ? undefined : object[key];
}

/**
 * Checks if `value` is a host object in IE < 9.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a host object, else `false`.
 */
function isHostObject(value) {
  // Many host objects are `Object` objects that can coerce to strings
  // despite having improperly defined `toString` methods.
  var result = false;
  if (value != null && typeof value.toString != 'function') {
    try {
      result = !!(value + '');
    } catch (e) {}
  }
  return result;
}

/**
 * Converts `map` to its key-value pairs.
 *
 * @private
 * @param {Object} map The map to convert.
 * @returns {Array} Returns the key-value pairs.
 */
function mapToArray(map) {
  var index = -1,
      result = Array(map.size);

  map.forEach(function(value, key) {
    result[++index] = [key, value];
  });
  return result;
}

/**
 * Creates a unary function that invokes `func` with its argument transformed.
 *
 * @private
 * @param {Function} func The function to wrap.
 * @param {Function} transform The argument transform.
 * @returns {Function} Returns the new function.
 */
function overArg(func, transform) {
  return function(arg) {
    return func(transform(arg));
  };
}

/**
 * Converts `set` to an array of its values.
 *
 * @private
 * @param {Object} set The set to convert.
 * @returns {Array} Returns the values.
 */
function setToArray(set) {
  var index = -1,
      result = Array(set.size);

  set.forEach(function(value) {
    result[++index] = value;
  });
  return result;
}

/** Used for built-in method references. */
var arrayProto = Array.prototype,
    funcProto = Function.prototype,
    objectProto = Object.prototype;

/** Used to detect overreaching core-js shims. */
var coreJsData = root['__core-js_shared__'];

/** Used to detect methods masquerading as native. */
var maskSrcKey = (function() {
  var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
  return uid ? ('Symbol(src)_1.' + uid) : '';
}());

/** Used to resolve the decompiled source of functions. */
var funcToString = funcProto.toString;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/**
 * Used to resolve the
 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
 * of values.
 */
var objectToString = objectProto.toString;

/** Used to detect if a method is native. */
var reIsNative = RegExp('^' +
  funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
);

/** Built-in value references. */
var Buffer = moduleExports ? root.Buffer : undefined,
    Symbol = root.Symbol,
    Uint8Array = root.Uint8Array,
    getPrototype = overArg(Object.getPrototypeOf, Object),
    objectCreate = Object.create,
    propertyIsEnumerable = objectProto.propertyIsEnumerable,
    splice = arrayProto.splice;

/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeGetSymbols = Object.getOwnPropertySymbols,
    nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,
    nativeKeys = overArg(Object.keys, Object);

/* Built-in method references that are verified to be native. */
var DataView = getNative(root, 'DataView'),
    Map = getNative(root, 'Map'),
    Promise = getNative(root, 'Promise'),
    Set = getNative(root, 'Set'),
    WeakMap = getNative(root, 'WeakMap'),
    nativeCreate = getNative(Object, 'create');

/** Used to detect maps, sets, and weakmaps. */
var dataViewCtorString = toSource(DataView),
    mapCtorString = toSource(Map),
    promiseCtorString = toSource(Promise),
    setCtorString = toSource(Set),
    weakMapCtorString = toSource(WeakMap);

/** Used to convert symbols to primitives and strings. */
var symbolProto = Symbol ? Symbol.prototype : undefined,
    symbolValueOf = symbolProto ? symbolProto.valueOf : undefined;

/**
 * Creates a hash object.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function Hash(entries) {
  var index = -1,
      length = entries ? entries.length : 0;

  this.clear();
  while (++index < length) {
    var entry = entries[index];
    this.set(entry[0], entry[1]);
  }
}

/**
 * Removes all key-value entries from the hash.
 *
 * @private
 * @name clear
 * @memberOf Hash
 */
function hashClear() {
  this.__data__ = nativeCreate ? nativeCreate(null) : {};
}

/**
 * Removes `key` and its value from the hash.
 *
 * @private
 * @name delete
 * @memberOf Hash
 * @param {Object} hash The hash to modify.
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function hashDelete(key) {
  return this.has(key) && delete this.__data__[key];
}

/**
 * Gets the hash value for `key`.
 *
 * @private
 * @name get
 * @memberOf Hash
 * @param {string} key The key of the value to get.
 * @returns {*} Returns the entry value.
 */
function hashGet(key) {
  var data = this.__data__;
  if (nativeCreate) {
    var result = data[key];
    return result === HASH_UNDEFINED ? undefined : result;
  }
  return hasOwnProperty.call(data, key) ? data[key] : undefined;
}

/**
 * Checks if a hash value for `key` exists.
 *
 * @private
 * @name has
 * @memberOf Hash
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function hashHas(key) {
  var data = this.__data__;
  return nativeCreate ? data[key] !== undefined : hasOwnProperty.call(data, key);
}

/**
 * Sets the hash `key` to `value`.
 *
 * @private
 * @name set
 * @memberOf Hash
 * @param {string} key The key of the value to set.
 * @param {*} value The value to set.
 * @returns {Object} Returns the hash instance.
 */
function hashSet(key, value) {
  var data = this.__data__;
  data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
  return this;
}

// Add methods to `Hash`.
Hash.prototype.clear = hashClear;
Hash.prototype['delete'] = hashDelete;
Hash.prototype.get = hashGet;
Hash.prototype.has = hashHas;
Hash.prototype.set = hashSet;

/**
 * Creates an list cache object.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function ListCache(entries) {
  var index = -1,
      length = entries ? entries.length : 0;

  this.clear();
  while (++index < length) {
    var entry = entries[index];
    this.set(entry[0], entry[1]);
  }
}

/**
 * Removes all key-value entries from the list cache.
 *
 * @private
 * @name clear
 * @memberOf ListCache
 */
function listCacheClear() {
  this.__data__ = [];
}

/**
 * Removes `key` and its value from the list cache.
 *
 * @private
 * @name delete
 * @memberOf ListCache
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function listCacheDelete(key) {
  var data = this.__data__,
      index = assocIndexOf(data, key);

  if (index < 0) {
    return false;
  }
  var lastIndex = data.length - 1;
  if (index == lastIndex) {
    data.pop();
  } else {
    splice.call(data, index, 1);
  }
  return true;
}

/**
 * Gets the list cach