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May 2, 2019 . 1 changed file with 92 additions and 84 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -1,60 +1,73 @@ module Store = { type action = | Increase | Decrease | SetUsername(string); type state = { count: int, username: string, }; type storeBag = { state, dispatch: action => unit, }; let reducer = (state: state, action: action) => switch (action) { | Increase => {...state, count: state.count + 1} | Decrease => {...state, count: state.count - 1} | SetUsername(username) => {...state, username} }; [@react.component] let make = (~children: storeBag => React.element) => { let (state, dispatch) = React.useReducer(reducer, {count: 0, username: ""}); children({state, dispatch}); }; }; module Login = { [@react.component] let make = (~store: Store.storeBag) => { let (username, setUsername) = React.useState(() => ""); <div> <input type_="text" value=username onChange={e => setUsername(e->ReactEvent.Form.target##value)} /> <br /> <button onClick={_ => { store.dispatch(SetUsername(username)); ReasonReactRouter.push("#loggedin"); }}> "Login"->React.string </button> </div>; }; }; module Screen = { [@react.component] let make = (~store: Store.storeBag) => { <div> <b> {("User: " ++ store.state.username)->React.string} </b> <br /> <br /> <span> {("Count: " ++ string_of_int(store.state.count))->React.string} </span> <br /> <button onClick={_event => store.dispatch(Increase)}> "Increase"->React.string </button> <button onClick={_event => store.dispatch(Decrease)}> "Decrease"->React.string </button> </div>; }; }; @@ -65,46 +78,41 @@ module Router = { type action = | SwitchRoute(route); type routerState = {activeRoute: route}; let reducer = (state: routerState, action: action) => switch (action) { | SwitchRoute(route) => {activeRoute: route} }; [@react.component] let make = () => { let (state, dispatch) = React.useReducer(reducer, {activeRoute: Login}); let url = ReasonReactRouter.useUrl(); React.useEffect1( () => { switch (url.hash) { | "loggedin" => dispatch(SwitchRoute(Screen)) | _ => Js.log("Could not find route"); Js.log(url); }; None; }, [|url|], ); <Store> ...{store => <div> {switch (state.activeRoute) { | Screen => <Screen store /> | Login => <Login store /> }} </div> } </Store>; }; }; [@react.component] let default = () => <Router />; -
Feb 8, 2018 .There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,110 @@ module Store = { type actions = | Increase | Decrease; type state = {count: int}; type store = { state, dispatch: actions => unit }; let component = ReasonReact.reducerComponent("Store"); let make = (~render, _children) => { ...component, initialState: () => {count: 0}, reducer: (action, state) => switch action { | Increase => ReasonReact.Update({count: state.count + 1}) | Decrease => ReasonReact.Update({count: state.count - 1}) }, render: self => render({state: self.state, dispatch: action => self.send(action)}) }; }; module Login = { let component = ReasonReact.statelessComponent("Login"); let make = _children => { ...component, render: _self => <div> <button onClick=(_event => ReasonReact.Router.push("/loggedin"))> (ReasonReact.stringToElement("Login")) </button> </div> }; }; module Screen = { let component = ReasonReact.statelessComponent("Screen"); let make = (~store: Store.store, _children) => { ...component, render: _self => <div> <span> ( ReasonReact.stringToElement( "Count: " ++ string_of_int(store.state.count) ) ) </span> <br /> <button onClick=(_event => store.dispatch(Increase))> (ReasonReact.stringToElement("Increase")) </button> <button onClick=(_event => store.dispatch(Decrease))> (ReasonReact.stringToElement("Decrease")) </button> </div> }; }; module Router = { type route = | Login | Screen; type action = | SwitchRoute(route); type routerState = {activeRoute: route}; let component = ReasonReact.reducerComponent("Router"); let make = _children => { ...component, initialState: () => {activeRoute: Login}, reducer: (action, _state) => switch action { | SwitchRoute(r) => ReasonReact.Update({activeRoute: r}) }, subscriptions: self => [ Sub( () => ReasonReact.Router.watchUrl(url => { switch url.path { | ["loggedin"] => self.send(SwitchRoute(Screen)) | _ => Js.log("Could not find route"); Js.log(url); }; (); }), ReasonReact.Router.unwatchUrl ) ], render: self => <Store render=( store => <div> ( switch self.state.activeRoute { | Screen => <Screen store /> | Login => <Login /> } ) </div> ) /> }; }; let component = ReasonReact.statelessComponent("Counter"); let make = _children => {...component, render: _self => <Router />};