refactor local storage to use a component
This commit is contained in:
Adam Brown
parent
6bb76ccd17
commit
720f123977
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@ -9873,13 +9873,7 @@ function(acc,x,i){return test(x)?acc.concat([i]):acc;},//start with the empty ar
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'use strict';exports.__esModule=true;function createThunkMiddleware(extraArgument){return function(_ref){var dispatch=_ref.dispatch;var getState=_ref.getState;return function(next){return function(action){if(typeof action==='function'){return action(dispatch,getState,extraArgument);}return next(action);};};};}var thunk=createThunkMiddleware();thunk.withExtraArgument=createThunkMiddleware;exports['default']=thunk;
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/***/ },
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/* 573 */
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/***/ function(module, exports) {
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"use strict";
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"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.set=set;var stateName=function stateName(suffix){return'state'+(suffix?suffix:"");};var get=exports.get=function get(suffix){return JSON.parse(localStorage.getItem(stateName(suffix)))||undefined;};function set(state,props,suffix){var toSave={};props.forEach(function(p){return toSave[p]=state[p];});localStorage.setItem(stateName(suffix),JSON.stringify(toSave));}
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/***/ },
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/* 573 */,
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/* 574 */
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/***/ function(module, exports, __webpack_require__) {
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@ -23332,7 +23326,7 @@ module.exports = [
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/***/ function(module, exports, __webpack_require__) {
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"use strict";
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'use strict';var _react=__webpack_require__(0);var _react2=_interopRequireDefault(_react);var _reactDom=__webpack_require__(303);var _reactDom2=_interopRequireDefault(_reactDom);var _redux=__webpack_require__(304);var Redux=_interopRequireWildcard(_redux);var _reactRedux=__webpack_require__(69);var _reactRouter=__webpack_require__(84);var _reduxThunk=__webpack_require__(572);var _reduxThunk2=_interopRequireDefault(_reduxThunk);var _localStore=__webpack_require__(573);var localStore=_interopRequireWildcard(_localStore);var _reducers=__webpack_require__(574);var reducers=_interopRequireWildcard(_reducers);var _routes=__webpack_require__(575);var _routes2=_interopRequireDefault(_routes);var _actions=__webpack_require__(70);var Actions=_interopRequireWildcard(_actions);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj};}//the localStore implementation is naive
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'use strict';var _react=__webpack_require__(0);var _react2=_interopRequireDefault(_react);var _reactDom=__webpack_require__(303);var _reactDom2=_interopRequireDefault(_reactDom);var _redux=__webpack_require__(304);var Redux=_interopRequireWildcard(_redux);var _reactRedux=__webpack_require__(69);var _reactRouter=__webpack_require__(84);var _reduxThunk=__webpack_require__(572);var _reduxThunk2=_interopRequireDefault(_reduxThunk);var _reducers=__webpack_require__(574);var reducers=_interopRequireWildcard(_reducers);var _routes=__webpack_require__(575);var _routes2=_interopRequireDefault(_routes);var _actions=__webpack_require__(70);var Actions=_interopRequireWildcard(_actions);var _LocalStorage=__webpack_require__(1216);var _LocalStorage2=_interopRequireDefault(_LocalStorage);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj};}//the localStore implementation is naive
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//initial state should be rehydrated from the server
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//then additional state transformations should be applied based on localStore contents
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// (or not? maybe localStore is not needed)
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@ -23340,20 +23334,7 @@ module.exports = [
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var initialState=window.__INITIAL_STATE__;//create the list of middlewares
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var middlewares=[_reduxThunk2.default];//create the redux store
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//initial state is retrieved from localStore
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var store=Redux.createStore(Redux.combineReducers(reducers),initialState,window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__?window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__(Redux.applyMiddleware.apply(Redux,middlewares)):Redux.applyMiddleware.apply(Redux,middlewares));//this way of reading local input isn't working:
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// it's just overriding what comes from the server
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// and it's not respecting the comparison that is loaded from the server
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/*
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const localInput = localStore.get('dubdiff')
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if (localInput.input) {
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//dispatch localStore data to store
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store.dispatch(Actions.updateOriginalInput(localInput.input.original))
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store.dispatch(Actions.updateFinalInput(localInput.input.final))
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//should this be done after the first render?
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}
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*///save the state whenever the state changes
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function saveState(){var state=store.getState();//pass the elements of state that should be persisted to the local store as an array of element name strings
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localStore.set(state,["input"],"dubdiff");}store.subscribe(saveState);function render(){_reactDom2.default.render(_react2.default.createElement(_reactRedux.Provider,{store:store},_react2.default.createElement(_reactRouter.Router,{history:_reactRouter.browserHistory},_routes2.default)),document.getElementById('root'));}render();
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var store=Redux.createStore(Redux.combineReducers(reducers),initialState,window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__?window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__(Redux.applyMiddleware.apply(Redux,middlewares)):Redux.applyMiddleware.apply(Redux,middlewares));function render(){_reactDom2.default.render(_react2.default.createElement(_reactRedux.Provider,{store:store},_react2.default.createElement(_LocalStorage2.default,null,_react2.default.createElement(_reactRouter.Router,{history:_reactRouter.browserHistory},_routes2.default))),document.getElementById('root'));}render();
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/***/ },
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/* 1214 */
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@ -23376,5 +23357,23 @@ function iteratorFor(items){var iterator={next:function next(){var value=items.s
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this._bodyInit=new Blob([this._bodyArrayBuffer]);}else if(support.arrayBuffer&&(ArrayBuffer.prototype.isPrototypeOf(body)||isArrayBufferView(body))){this._bodyArrayBuffer=bufferClone(body);}else{throw new Error('unsupported BodyInit type');}if(!this.headers.get('content-type')){if(typeof body==='string'){this.headers.set('content-type','text/plain;charset=UTF-8');}else if(this._bodyBlob&&this._bodyBlob.type){this.headers.set('content-type',this._bodyBlob.type);}else if(support.searchParams&&URLSearchParams.prototype.isPrototypeOf(body)){this.headers.set('content-type','application/x-www-form-urlencoded;charset=UTF-8');}}};if(support.blob){this.blob=function(){var rejected=consumed(this);if(rejected){return rejected;}if(this._bodyBlob){return Promise.resolve(this._bodyBlob);}else if(this._bodyArrayBuffer){return Promise.resolve(new Blob([this._bodyArrayBuffer]));}else if(this._bodyFormData){throw new Error('could not read FormData body as blob');}else{return Promise.resolve(new Blob([this._bodyText]));}};this.arrayBuffer=function(){if(this._bodyArrayBuffer){return consumed(this)||Promise.resolve(this._bodyArrayBuffer);}else{return this.blob().then(readBlobAsArrayBuffer);}};}this.text=function(){var rejected=consumed(this);if(rejected){return rejected;}if(this._bodyBlob){return readBlobAsText(this._bodyBlob);}else if(this._bodyArrayBuffer){return Promise.resolve(readArrayBufferAsText(this._bodyArrayBuffer));}else if(this._bodyFormData){throw new Error('could not read FormData body as text');}else{return Promise.resolve(this._bodyText);}};if(support.formData){this.formData=function(){return this.text().then(decode);};}this.json=function(){return this.text().then(JSON.parse);};return this;}// HTTP methods whose capitalization should be normalized
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var methods=['DELETE','GET','HEAD','OPTIONS','POST','PUT'];function normalizeMethod(method){var upcased=method.toUpperCase();return methods.indexOf(upcased)>-1?upcased:method;}function Request(input,options){options=options||{};var body=options.body;if(typeof input==='string'){this.url=input;}else{if(input.bodyUsed){throw new TypeError('Already read');}this.url=input.url;this.credentials=input.credentials;if(!options.headers){this.headers=new Headers(input.headers);}this.method=input.method;this.mode=input.mode;if(!body&&input._bodyInit!=null){body=input._bodyInit;input.bodyUsed=true;}}this.credentials=options.credentials||this.credentials||'omit';if(options.headers||!this.headers){this.headers=new Headers(options.headers);}this.method=normalizeMethod(options.method||this.method||'GET');this.mode=options.mode||this.mode||null;this.referrer=null;if((this.method==='GET'||this.method==='HEAD')&&body){throw new TypeError('Body not allowed for GET or HEAD requests');}this._initBody(body);}Request.prototype.clone=function(){return new Request(this,{body:this._bodyInit});};function decode(body){var form=new FormData();body.trim().split('&').forEach(function(bytes){if(bytes){var split=bytes.split('=');var name=split.shift().replace(/\+/g,' ');var value=split.join('=').replace(/\+/g,' ');form.append(decodeURIComponent(name),decodeURIComponent(value));}});return form;}function parseHeaders(rawHeaders){var headers=new Headers();rawHeaders.split('\r\n').forEach(function(line){var parts=line.split(':');var key=parts.shift().trim();if(key){var value=parts.join(':').trim();headers.append(key,value);}});return headers;}Body.call(Request.prototype);function Response(bodyInit,options){if(!options){options={};}this.type='default';this.status='status'in options?options.status:200;this.ok=this.status>=200&&this.status<300;this.statusText='statusText'in options?options.statusText:'OK';this.headers=new Headers(options.headers);this.url=options.url||'';this._initBody(bodyInit);}Body.call(Response.prototype);Response.prototype.clone=function(){return new Response(this._bodyInit,{status:this.status,statusText:this.statusText,headers:new Headers(this.headers),url:this.url});};Response.error=function(){var response=new Response(null,{status:0,statusText:''});response.type='error';return response;};var redirectStatuses=[301,302,303,307,308];Response.redirect=function(url,status){if(redirectStatuses.indexOf(status)===-1){throw new RangeError('Invalid status code');}return new Response(null,{status:status,headers:{location:url}});};self.Headers=Headers;self.Request=Request;self.Response=Response;self.fetch=function(input,init){return new Promise(function(resolve,reject){var request=new Request(input,init);var xhr=new XMLHttpRequest();xhr.onload=function(){var options={status:xhr.status,statusText:xhr.statusText,headers:parseHeaders(xhr.getAllResponseHeaders()||'')};options.url='responseURL'in xhr?xhr.responseURL:options.headers.get('X-Request-URL');var body='response'in xhr?xhr.response:xhr.responseText;resolve(new Response(body,options));};xhr.onerror=function(){reject(new TypeError('Network request failed'));};xhr.ontimeout=function(){reject(new TypeError('Network request failed'));};xhr.open(request.method,request.url,true);if(request.credentials==='include'){xhr.withCredentials=true;}if('responseType'in xhr&&support.blob){xhr.responseType='blob';}request.headers.forEach(function(value,name){xhr.setRequestHeader(name,value);});xhr.send(typeof request._bodyInit==='undefined'?null:request._bodyInit);});};self.fetch.polyfill=true;})(typeof self!=='undefined'?self:undefined);
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/***/ },
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/* 1216 */
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/***/ function(module, exports, __webpack_require__) {
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"use strict";
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'use strict';Object.defineProperty(exports,"__esModule",{value:true});var _createClass=function(){function defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||false;descriptor.configurable=true;if("value"in descriptor)descriptor.writable=true;Object.defineProperty(target,descriptor.key,descriptor);}}return function(Constructor,protoProps,staticProps){if(protoProps)defineProperties(Constructor.prototype,protoProps);if(staticProps)defineProperties(Constructor,staticProps);return Constructor;};}();var _react=__webpack_require__(0);var _react2=_interopRequireDefault(_react);var _reactRedux=__webpack_require__(69);var _actions=__webpack_require__(70);var Actions=_interopRequireWildcard(_actions);var _selectors=__webpack_require__(196);var Selectors=_interopRequireWildcard(_selectors);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj};}function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError("Cannot call a class as a function");}}function _possibleConstructorReturn(self,call){if(!self){throw new ReferenceError("this hasn't been initialised - super() hasn't been called");}return call&&(typeof call==="object"||typeof call==="function")?call:self;}function _inherits(subClass,superClass){if(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}});if(superClass)Object.setPrototypeOf?Object.setPrototypeOf(subClass,superClass):subClass.__proto__=superClass;}/* This component reads the local storage store and adds them to the Redux store.
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* Local storage is read during the componentDidMount lifecycle method.
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* Local storage is written during the componentWillReceiveProps lifecycle method.
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*///an app-specific name for the localStorage state
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var stateName="dubdiff_state";//return a new object with the given keys, each assigned to the cooresponding value
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//from the given object
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var copyKeys=function copyKeys(obj,keys){return keys.reduce(function(acc,p){acc[p]=obj[p];return acc;},{});};console.log(copyKeys({a:1,b:2},['a']));console.log(copyKeys({},['a']));//utility method for retrieving json data from the local store
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function getLocalState(keys){if(localStorage.getItem(stateName)){var localState=JSON.parse(localStorage.getItem(stateName));return copyKeys(localState,keys);}else return copyKeys({},keys);}//utility method for writing json data to the local store
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function setLocalState(state,keys){var toSave=copyKeys(state,keys);localStorage.setItem(stateName,JSON.stringify(toSave));}var mapStateToProps=function mapStateToProps(state){return{input:state.input};};var mapDispatchToProps=function mapDispatchToProps(dispatch){return{onChangeOriginal:function onChangeOriginal(text){return dispatch(Actions.updateOriginalInput(text));},onChangeFinal:function onChangeFinal(text){return dispatch(Actions.updateFinalInput(text));}};};var LocalStorage=function(_React$Component){_inherits(LocalStorage,_React$Component);function LocalStorage(){_classCallCheck(this,LocalStorage);return _possibleConstructorReturn(this,(LocalStorage.__proto__||Object.getPrototypeOf(LocalStorage)).apply(this,arguments));}_createClass(LocalStorage,[{key:'componentDidMount',//load the state from the local storage
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value:function componentDidMount(){//only if the status is EMPTY
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if(this.props.input.original==''&&this.props.input.final==''){var localState=getLocalState(['input']);if(localState.input&&localState.input.original)this.props.onChangeOriginal(localState.input.original);if(localState.input&&localState.input.final)this.props.onChangeFinal(localState.input.final);}}//save the state to local storage
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},{key:'componentWillReceiveProps',value:function componentWillReceiveProps(nextProps){setLocalState(nextProps,['input']);}},{key:'render',value:function render(){return this.props.children;}}]);return LocalStorage;}(_react2.default.Component);exports.default=(0,_reactRedux.connect)(mapStateToProps,mapDispatchToProps)(LocalStorage);
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/***/ }
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/******/ ]);
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@ -0,0 +1,77 @@
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import React from 'react'
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import {connect} from 'react-redux'
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import * as Actions from '../common/actions'
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import * as Selectors from '../common/selectors'
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/* This component reads the local storage store and adds them to the Redux store.
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* Local storage is read during the componentDidMount lifecycle method.
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* Local storage is written during the componentWillReceiveProps lifecycle method.
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*/
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//an app-specific name for the localStorage state
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const stateName = "dubdiff_state"
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//return a new object with the given keys, each assigned to the cooresponding value
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//from the given object
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const copyKeys = (obj, keys) => keys.reduce((acc, p)=>{acc[p]=obj[p]; return acc}, {})
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console.log(copyKeys({a:1, b:2}, ['a']))
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console.log(copyKeys({}, ['a']))
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//utility method for retrieving json data from the local store
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function getLocalState (keys) {
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if (localStorage.getItem(stateName)) {
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const localState = JSON.parse(localStorage.getItem(stateName))
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return copyKeys(localState, keys)
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}
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else
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return copyKeys({}, keys)
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}
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//utility method for writing json data to the local store
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function setLocalState (state, keys) {
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let toSave = copyKeys(state, keys)
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localStorage.setItem(stateName, JSON.stringify(toSave))
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}
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const mapStateToProps = (state) => ({
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input: state.input,
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//the loading/empty/clean state
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})
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const mapDispatchToProps = dispatch => ({
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onChangeOriginal: (text) => dispatch(Actions.updateOriginalInput(text)),
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onChangeFinal: (text) => dispatch(Actions.updateFinalInput(text)),
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})
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class LocalStorage extends React.Component {
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//load the state from the local storage
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componentDidMount() {
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//only if the status is EMPTY
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if (this.props.input.original=='' && this.props.input.final == '') {
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const localState = getLocalState(['input'])
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if (localState.input && localState.input.original)
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this.props.onChangeOriginal(localState.input.original)
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if (localState.input && localState.input.final)
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this.props.onChangeFinal(localState.input.final)
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}
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}
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//save the state to local storage
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componentWillReceiveProps(nextProps) {
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setLocalState(nextProps, ['input'])
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}
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render () {
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return this.props.children
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}
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}
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export default connect(mapStateToProps, mapDispatchToProps)(LocalStorage)
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@ -10,10 +10,11 @@ import {Router, Route, IndexRoute, Redirect, browserHistory } from 'react-route
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import thunk from 'redux-thunk'
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import * as localStore from '../common/localStore'
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import * as reducers from '../common/reducers'
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import routes from '../common/routes'
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import * as Actions from '../common/actions'
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import * as Actions from '../common/actions'
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import LocalStorage from './LocalStorage'
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@ -38,35 +39,19 @@ const store = Redux.createStore(
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Redux.applyMiddleware(...middlewares)
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)
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//this way of reading local input isn't working:
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// it's just overriding what comes from the server
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// and it's not respecting the comparison that is loaded from the server
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/*
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const localInput = localStore.get('dubdiff')
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if (localInput.input) {
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//dispatch localStore data to store
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store.dispatch(Actions.updateOriginalInput(localInput.input.original))
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store.dispatch(Actions.updateFinalInput(localInput.input.final))
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//should this be done after the first render?
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}
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*/
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//save the state whenever the state changes
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function saveState() {
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let state = store.getState()
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//pass the elements of state that should be persisted to the local store as an array of element name strings
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localStore.set(state, ["input"], "dubdiff")
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}
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store.subscribe(saveState)
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function render() {
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ReactDOM.render(
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<Provider store={store}>
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<LocalStorage >
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<Router history={browserHistory}>
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{routes}
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</Router>
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</LocalStorage>
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</Provider>
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, document.getElementById('root'))
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}
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@ -1,10 +0,0 @@
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let stateName = (suffix) => 'state'+(suffix?suffix:"")
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export const get = (suffix) => JSON.parse(localStorage.getItem(stateName(suffix))) || undefined;
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export function set (state, props, suffix) {
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let toSave = {}
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props.forEach(p => toSave[p] = state[p])
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localStorage.setItem(stateName(suffix), JSON.stringify(toSave))
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}
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