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| "use strict";
var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };
var _prototypeProperties = function (child, staticProps, instanceProps) { Eif (staticProps) Object.defineProperties(child, staticProps); Eif (instanceProps) Object.defineProperties(child.prototype, instanceProps); };
var _inherits = function (subClass, superClass) { Iif (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); Eif (superClass) subClass.__proto__ = superClass; };
var _classCallCheck = function (instance, Constructor) { Iif (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } };
/**
* Store
*
* Stores hold application state. They respond to actions sent by the dispatcher
* and broadcast change events to listeners, so they can grab the latest data.
* The key thing to remember is that the only way stores receive information
* from the outside world is via the dispatcher.
*/
var EventEmitter = _interopRequire(require("eventemitter3"));
var assign = _interopRequire(require("object-assign"));
var Store = (function (EventEmitter) {
/**
* Stores are initialized with a reference
* @type {Object}
*/
function Store() {
_classCallCheck(this, Store);
this.state = null;
this._handlers = {};
this._asyncHandlers = {};
}
_inherits(Store, EventEmitter);
_prototypeProperties(Store, {
assignState: {
value: function assignState(oldState, newState) {
return assign({}, oldState, newState);
},
writable: true,
configurable: true
}
}, {
setState: {
value: function setState(newState) {
// Do a transactional state update if a function is passed
if (typeof newState === "function") {
var prevState = this._isHandlingDispatch ? this._pendingState : this.state;
newState = newState(prevState);
}
if (this._isHandlingDispatch) {
this._pendingState = this.constructor.assignState(this._pendingState, newState);
this._emitChangeAfterHandlingDispatch = true;
} else {
Eif (process.env.NODE_ENV !== "production") {
console.warn("Store#setState() called from outside an action handler. This is likely " + "a mistake. Flux stores should manage their own state.");
}
this.state = this.constructor.assignState(this.state, newState);
this.emit("change");
}
},
writable: true,
configurable: true
},
replaceState: {
value: function replaceState(newState) {
if (this._isHandlingDispatch) {
this._pendingState = this.constructor.assignState(undefined, newState);
this._emitChangeAfterHandlingDispatch = true;
} else {
this.state = this.constructor.assignState(undefined, newState);
this.emit("change");
}
},
writable: true,
configurable: true
},
forceUpdate: {
value: function forceUpdate() {
if (this._isHandlingDispatch) {
this._emitChangeAfterHandlingDispatch = true;
} else {
this.emit("change");
}
},
writable: true,
configurable: true
},
register: {
value: function register(actionId, handler) {
actionId = ensureActionId(actionId);
if (typeof handler !== "function") {
return;
}this._handlers[actionId] = handler.bind(this);
},
writable: true,
configurable: true
},
registerAsync: {
value: function registerAsync(actionId, beginHandler, successHandler, failureHandler) {
actionId = ensureActionId(actionId);
var asyncHandlers = {
begin: beginHandler,
success: successHandler,
failure: failureHandler };
for (var key in asyncHandlers) {
Iif (!asyncHandlers.hasOwnProperty(key)) continue;
var handler = asyncHandlers[key];
if (typeof handler === "function") {
asyncHandlers[key] = handler.bind(this);
} else {
delete asyncHandlers[key];
}
}
this._asyncHandlers[actionId] = asyncHandlers;
},
writable: true,
configurable: true
},
waitFor: {
value: function waitFor(tokensOrStores) {
this._waitFor(tokensOrStores);
},
writable: true,
configurable: true
},
handler: {
value: function handler(payload) {
var body = payload.body;
var actionId = payload.actionId;
var _async = payload.async;
var actionArgs = payload.actionArgs;
var error = payload.error;
var _handler = this._handlers[actionId];
var _asyncHandler = this._asyncHandlers[actionId] && this._asyncHandlers[actionId][_async];
if (_async) {
switch (_async) {
case "begin":
if (typeof _asyncHandler === "function") {
this._performHandler.apply(this, [_asyncHandler].concat(actionArgs));
}
return;
case "failure":
Eif (typeof _asyncHandler === "function") {
this._performHandler(_asyncHandler, error);
}
return;
case "success":
if (typeof _asyncHandler === "function") {
_handler = _asyncHandler;
}
break;
default:
return;
}
}
Iif (typeof _handler !== "function") {
return;
}this._performHandler(_handler, body);
},
writable: true,
configurable: true
},
_performHandler: {
value: function _performHandler(_handler) {
for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
args[_key - 1] = arguments[_key];
}
this._isHandlingDispatch = true;
this._pendingState = this.constructor.assignState(undefined, this.state);
this._emitChangeAfterHandlingDispatch = false;
try {
_handler.apply(this, args);
} finally {
if (this._emitChangeAfterHandlingDispatch) {
this.state = this._pendingState;
this.emit("change");
}
this._isHandlingDispatch = false;
this._pendingState = undefined;
this._emitChangeAfterHandlingDispatch = false;
}
},
writable: true,
configurable: true
}
});
return Store;
})(EventEmitter);
module.exports = Store;
function ensureActionId(actionOrActionId) {
return typeof actionOrActionId === "function" ? actionOrActionId._id : actionOrActionId;
}
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They respond to actions sent by the dispatcher\n * and broadcast change events to listeners, so they can grab the latest data.\n * The key thing to remember is that the only way stores receive information\n * from the outside world is via the dispatcher.\n */\n\nimport EventEmitter from 'eventemitter3';\nimport assign from 'object-assign';\n\nexport default class Store extends EventEmitter {\n\n  /**\n   * Stores are initialized with a reference\n   * @type {Object}\n   */\n  constructor() {\n    this.state = null;\n\n    this._handlers = {};\n    this._asyncHandlers = {};\n  }\n\n  setState(newState) {\n    // Do a transactional state update if a function is passed\n    if (typeof newState === 'function') {\n      const prevState = this._isHandlingDispatch\n        ? this._pendingState\n        : this.state;\n\n      newState = newState(prevState);\n    }\n\n    if (this._isHandlingDispatch) {\n      this._pendingState = this.constructor.assignState(this._pendingState, newState);\n      this._emitChangeAfterHandlingDispatch = true;\n    } else {\n\n      if (process.env.NODE_ENV !== 'production') {\n        console.warn(\n          'Store#setState() called from outside an action handler. This is likely '\n        + 'a mistake. Flux stores should manage their own state.'\n        );\n      }\n      this.state = this.constructor.assignState(this.state, newState);\n      this.emit('change');\n    }\n  }\n\n  replaceState(newState) {\n    if (this._isHandlingDispatch) {\n      this._pendingState = this.constructor.assignState(undefined, newState);\n      this._emitChangeAfterHandlingDispatch = true;\n    } else {\n      this.state = this.constructor.assignState(undefined, newState);\n      this.emit('change');\n    }\n  }\n\n  static assignState(oldState, newState) {\n    return assign({}, oldState, newState);\n  }\n\n  forceUpdate() {\n    if (this._isHandlingDispatch) {\n      this._emitChangeAfterHandlingDispatch = true;\n    } else {\n      this.emit('change');\n    }\n  }\n\n  register(actionId, handler) {\n    actionId = ensureActionId(actionId);\n\n    if (typeof handler !== 'function') return;\n\n    this._handlers[actionId] = handler.bind(this);\n  }\n\n  registerAsync(actionId, beginHandler, successHandler, failureHandler) {\n    actionId = ensureActionId(actionId);\n\n    let asyncHandlers = {\n      begin: beginHandler,\n      success: successHandler,\n      failure: failureHandler,\n    };\n\n    for (let key in asyncHandlers) {\n      if (!asyncHandlers.hasOwnProperty(key)) continue;\n\n      let handler = asyncHandlers[key];\n\n      if (typeof handler === 'function') {\n        asyncHandlers[key] = handler.bind(this);\n      } else {\n        delete asyncHandlers[key];\n      }\n    }\n\n    this._asyncHandlers[actionId] = asyncHandlers;\n  }\n\n  waitFor(tokensOrStores) {\n    this._waitFor(tokensOrStores);\n  }\n\n  handler(payload) {\n    let {\n      body,\n      actionId,\n      async: _async,\n      actionArgs,\n      error\n    } = payload;\n\n    let _handler = this._handlers[actionId];\n    let _asyncHandler = this._asyncHandlers[actionId]\n      && this._asyncHandlers[actionId][_async];\n\n    if (_async) {\n      switch (_async) {\n        case 'begin':\n          if (typeof _asyncHandler === 'function') {\n            this._performHandler.apply(this, [_asyncHandler].concat(actionArgs));\n          }\n          return;\n        case 'failure':\n          if (typeof _asyncHandler === 'function') {\n            this._performHandler(_asyncHandler, error);\n          }\n          return;\n        case 'success':\n          if (typeof _asyncHandler === 'function') {\n            _handler = _asyncHandler;\n          }\n          break;\n        default:\n          return;\n      }\n    }\n\n    if (typeof _handler !== 'function') return;\n    this._performHandler(_handler, body);\n  }\n\n  _performHandler(_handler, ...args) {\n    this._isHandlingDispatch = true;\n    this._pendingState = this.constructor.assignState(undefined, this.state);\n    this._emitChangeAfterHandlingDispatch = false;\n\n    try {\n      _handler.apply(this, args);\n    } finally {\n      if (this._emitChangeAfterHandlingDispatch) {\n        this.state = this._pendingState;\n        this.emit('change');\n      }\n\n      this._isHandlingDispatch = false;\n      this._pendingState = undefined;\n      this._emitChangeAfterHandlingDispatch = false;\n    }\n  }\n}\n\nfunction ensureActionId(actionOrActionId) {\n  return typeof actionOrActionId === 'function'\n    ? actionOrActionId._id\n    : actionOrActionId;\n}\n"]} |