fast-redux
Version:
DRY version of Redux with O(1) speed and dynamic actions/reducers importing.
295 lines (243 loc) • 9.63 kB
JavaScript
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if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory();
else if(typeof define === 'function' && define.amd)
define(factory);
else if(typeof exports === 'object')
exports["fast-"] = factory();
else
root["fast-"] = factory();
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/* 0 */
/***/ function(module, exports, __webpack_require__) {
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _namespace = __webpack_require__(1);
Object.defineProperty(exports, 'namespaceConfig', {
enumerable: true,
get: function get() {
return _namespace.namespaceConfig;
}
});
var _object = __webpack_require__(2);
Object.defineProperty(exports, 'dynamicPropertyConfig', {
enumerable: true,
get: function get() {
return _object.dynamicPropertyConfig;
}
});
Object.defineProperty(exports, 'staticPropertyConfig', {
enumerable: true,
get: function get() {
return _object.staticPropertyConfig;
}
});
var _rootReducer = __webpack_require__(3);
Object.defineProperty(exports, 'rootReducer', {
enumerable: true,
get: function get() {
return _rootReducer.rootReducer;
}
});
/***/ },
/* 1 */
/***/ function(module, exports) {
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.namespaceConfig = namespaceConfig;
function namespaceAction(ns, defaultState) {
function creator(name, reducer) {
if (typeof reducer !== 'function') throw new Error('Reducer must be a function.');
return function () {
for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
return {
type: ns + '/' + name,
payload: args,
creator: creator,
reducer: reducer
};
};
}
creator.ns = ns;
creator.defaultState = defaultState;
creator.getState = function (state) {
return ns in state ? state[ns] : defaultState;
};
return creator;
}
var getNamespaceState = function getNamespaceState(ns, defaultState) {
return function (state) {
for (var _len2 = arguments.length, keys = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
keys[_key2 - 1] = arguments[_key2];
}
var nsState = ns in state ? state[ns] : defaultState;
if (keys.length === 0) return nsState;
var res = {};
for (var i = keys.length; --i >= 0;) {
var key = keys[i];
res[key] = nsState[key];
}
return res;
};
};
/**
* Return config for the fast redux namespace.
* @param {String} ns
* @param {*} defaultState
*/
function namespaceConfig(ns, defaultState) {
return {
action: namespaceAction(ns, defaultState),
getState: getNamespaceState(ns, defaultState)
};
}
/***/ },
/* 2 */
/***/ function(module, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _extends = Object.assign || 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; };
exports.staticPropertyConfig = staticPropertyConfig;
exports.dynamicPropertyConfig = dynamicPropertyConfig;
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
/**
* Actions for working directly with the properties of an object stored in a
* state. For example object 'posts' that holds various reddits states.
* You can find example of usage in:
* examples/async/src/actions/postsByReddit.js
*/
var makePropertyAction = function makePropertyAction(action, propertyName) {
return function (name, reducer) {
return action(name, function (state) {
for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
args[_key - 1] = arguments[_key];
}
return _extends({}, state, _defineProperty({}, propertyName, reducer.apply(undefined, [state[propertyName]].concat(args))));
});
};
};
/**
* Return utility functions to work directly with a single property of a parent object.
* Property name is provided on config stage and can't be changed during action call.
* Default value for the property shoult be set in a namespaceConfig
* @param {function} action an action that accepts the object as a state
* @param {function} getObjectState function to obtain state of parent namespace
* @param {string} propertyName name of object's property
* @param {*} defaultPropertyState initial value of a property
*/
function staticPropertyConfig(action, propertyName) {
var getPropertyState = function getPropertyState(state) {
return action.getState(state)[propertyName];
};
return {
propertyAction: makePropertyAction(action, propertyName),
getPropertyState: getPropertyState
};
}
/**
* Actions for working directly with the properties of an object stored in a
* state. For example object 'posts' that holds various reddits states.
* You can find example of usage in:
* examples/async/src/actions/postsByReddit.js
*/
var makeObjectAction = function makeObjectAction(action, defaultPropertyState) {
return function (name, reducer) {
return action(name, function (state, key) {
for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
args[_key2 - 2] = arguments[_key2];
}
var nestedState = state[key] || defaultPropertyState;
return _extends({}, state, _defineProperty({}, key, reducer.apply(undefined, [nestedState].concat(args))));
});
};
};
/**
* Return utility functions to work directly with properties of a parent object.
* Property name is provided dynamically as first argument of action.
* @param {function} action an action that accepts the object as a state
* @param {function} getObjectState function to obtain state of parent namespace
* @param {*} defaultPropertyState initial value of a property
*/
function dynamicPropertyConfig(action, defaultPropertyState) {
var getPropertyState = function getPropertyState(state, key) {
return action.getState(state)[key] || defaultPropertyState;
};
return {
propertyAction: makeObjectAction(action, defaultPropertyState),
getPropertyState: getPropertyState
};
}
/***/ },
/* 3 */
/***/ function(module, exports) {
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _extends = Object.assign || 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; };
exports.rootReducer = rootReducer;
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
var DEFAULT_STATE = {};
function rootReducer(state, action) {
// init Redux with empty state
if (state === undefined) return DEFAULT_STATE;
var creator = action.creator,
reducer = action.reducer,
payload = action.payload;
if (creator && payload && typeof reducer === 'function') {
// handle fast-redux action
var ns = creator.ns,
getState = creator.getState;
var nsState = getState(state);
var newNsState = reducer.apply(undefined, [nsState].concat(_toConsumableArray(payload)));
if (newNsState === nsState) return state; // nothing changed
return _extends({}, state, _defineProperty({}, ns, newNsState));
}
// return unchanged state for all unknown actions
return state;
}
/***/ }
/******/ ])
});
;