Restructure app initiation

- Split initialization steps into their own files.
- Use Choo routes instead of viewManager to properly set up 404
- Add styling for different colors of Picnic cards

app/appListeners.js

@@ -0,0 +1,27 @@
+export const appListeners = (app, state, emitter) => {
+  emitter.on('DOMContentLoaded', () => {
+    document.title = app.siteConfig.siteName;
+    // Emitter listeners
+    emitter.on('render', callback => {
+      app.setSessionState();
+      // This is a dirty hack to get the callback to call *after* re-rendering.
+      if (callback && typeof callback === "function") {
+        setTimeout(() => {
+          callback();
+        }, 50);
+      }
+    });
+
+    emitter.on('change-view', newView => {
+      // Change the view and call render. Makes it easier to call within views.
+      state.currentView = newView;
+      emitter.emit('render', () => { });
+    });
+
+    emitter.on('set-language', newLanguage => {
+      app.setSettingsItem('lang', newLanguage);
+      state.language = newLanguage;
+      emitter.emit('render', () => { });
+    });
+  });
+}

app/appRoutes.js

@@ -0,0 +1,18 @@
+import { I18n } from './i18n';
+import { globalView } from './views/global';
+import { homeView } from './views/home';
+import { loginView } from './views/login';
+import { searchView } from './views/search';
+import { errorView } from './views/404';
+
+export const appRoutes = (app) => {
+  const i18n = new I18n(app.state); // Global I18n class passed to all views
+
+  app.route('/', (state, emit) => globalView(state, emit, i18n, homeView));
+
+  app.route('/login', (state, emit) => globalView(state, emit, i18n, loginView));
+
+  app.route('/search', (state, emit) => globalView(state, emit, i18n, searchView));
+
+  app.route('/404', (state, emit) => globalView(state, emit, i18n, errorView));
+}

app/appState.js

@@ -0,0 +1,16 @@
+export const appState = (app, state, emitter) => {
+  const sessionState = app.getSessionState();
+  if (sessionState) {
+    Object.keys(sessionState).forEach(key => {
+      if (typeof state[key] === 'undefined') {
+        state[key] = sessionState[key];
+      }
+    });
+  } else {
+    // Default state variables
+    state.currentView = 'home';
+    state.language = app.getSettingsItem('lang') ? app.getSettingsItem('lang') : (navigator.language || navigator.userLanguage).split('-')[0];
+    state.viewStates = {};
+    state.isLoggedIn = false;
+  }
+}

app/appUtilities.js

@@ -0,0 +1,32 @@
+export const appUtilities = (app) => {
+  app.getSettingsItem = settingsKey => {
+    let savedSettings = window.localStorage.getItem('settings');
+    if (savedSettings) {
+      savedSettings = JSON.parse(savedSettings);
+      if (typeof savedSettings[settingsKey] !== 'undefined') {
+        return savedSettings[settingsKey];
+      }
+    }
+    return null;
+  }
+  app.setSettingsItem = (settingsKey, value) => {
+    let savedSettings = window.localStorage.getItem('settings');
+    if (savedSettings) {
+      savedSettings = JSON.parse(savedSettings);
+    } else {
+      savedSettings = {};
+    }
+    savedSettings[settingsKey] = value;
+    return window.localStorage.setItem('settings', JSON.stringify(savedSettings));
+  }
+  app.getSessionState = () => {
+    let sessionState = window.sessionStorage.getItem('sessionState');
+    if (sessionState) {
+      return JSON.parse(sessionState);
+    }
+    return null;
+  }
+  app.setSessionState = () => {
+    return window.sessionStorage.setItem('sessionState', JSON.stringify(app.state));
+  }
+}

app/i18n/locales/en.json

@@ -18,6 +18,10 @@
     "logged_out_recent_updates": "Recent Updates",
     "logged_out_join_now": "Join Now!"
   },
+  "404": {
+    "header": "Oops!",
+    "subheader": "It looks like the page you requested doesn't exist. Please try a different one!"
+  },
   "login": {
     "log_in": "Log In",
     "email": "Email",

app/index.js

@@ -3,7 +3,10 @@ import 'babel-polyfill';
 import choo from 'choo';
 
 import config from './config.json';
-import { viewManager } from './views/manager';
+import { appRoutes } from './appRoutes';
+import { appListeners } from './appListeners';
+import { appState } from './appState.js';
+import { appUtilities } from './appUtilities.js';
 
 const app = choo();
 
@@ -13,88 +16,18 @@ if (process.env.NODE_ENV !== 'production') {
 }
 
 app.use((state, emitter) => {
-  app.getSettingsItem = settingsKey => {
-    let savedSettings = window.localStorage.getItem('settings');
-    if (savedSettings) {
-      savedSettings = JSON.parse(savedSettings);
-      if (typeof savedSettings[settingsKey] !== 'undefined') {
-        return savedSettings[settingsKey];
-      }
-    }
-    return null;
-  }
-  app.setSettingsItem = (settingsKey, value) => {
-    let savedSettings = window.localStorage.getItem('settings');
-    if (savedSettings) {
-      savedSettings = JSON.parse(savedSettings);
-    } else {
-      savedSettings = {};
-    }
-    savedSettings[settingsKey] = value;
-    return window.localStorage.setItem('settings', JSON.stringify(savedSettings));
-  }
-  app.getSessionState = () => {
-    let sessionState = window.sessionStorage.getItem('sessionState');
-    if (sessionState) {
-      return JSON.parse(sessionState);
-    }
-    return null;
-  }
-  app.setSessionState = () => {
-    return window.sessionStorage.setItem('sessionState', JSON.stringify(app.state));
-  }
+  app.siteConfig = config;
+  appUtilities(app);
 });
 
-// App state and emitters
 app.use((state, emitter) => {
-  const sessionState = app.getSessionState();
-  if (sessionState) {
-    Object.keys(sessionState).forEach(key => {
-      if (typeof state[key] === 'undefined') {
-        state[key] = sessionState[key];
-      }
-    });
-  } else {
-    // Default state variables
-    state.currentView = 'home';
-    state.language = app.getSettingsItem('lang') ? app.getSettingsItem('lang') : (navigator.language || navigator.userLanguage).split('-')[0];
-    state.viewStates = {};
-    state.isLoggedIn = false;
-  }
+  appState(app, state);
 
   // Listeners
-  emitter.on('DOMContentLoaded', () => {
-    document.title = config.siteName;
-    // Emitter listeners
-    emitter.on('render', callback => {
-      app.setSessionState();
-      // This is a dirty hack to get the callback to call *after* re-rendering.
-      if (callback && typeof callback === "function") {
-        setTimeout(() => {
-          callback();
-        }, 50);
-      }
-    });
-
-    emitter.on('change-view', newView => {
-      // Change the view and call render. Makes it easier to call within views.
-      state.currentView = newView;
-      emitter.emit('render', () => {});
-    });
-    
-    emitter.on('set-language', newLanguage => {
-      app.setSettingsItem('lang', newLanguage);
-      state.language = newLanguage;
-      emitter.emit('render', () => {});
-    });
-  });
+  appListeners(app, state, emitter);
 });
 
-// For the main screen, pass the viewManager function in viewManager.js,
-// which is given the app's state from above and the emitter.emit method that
-// triggers the app's emitter listeners.
-app.route('/', viewManager);
-app.route('/:page', viewManager);
-app.route('/404', viewManager);
+// Routes
+appRoutes(app);
 
 app.mount('body');  // Overwrite the `<body>` tag with the content of the Choo app

app/styles/picnic-customizations/_custom.scss

@@ -107,12 +107,38 @@ footer nav {
   margin: 0 0 0 auto;
 }
 
-.card.info {
-  background: $picnic-info;
-  color: $picnic-white;
-
-  * {
+.card {
+  &.info {
+    background: $picnic-info;
     color: $picnic-white;
+
+    * {
+      color: $picnic-white;
+    }
+  }
+  &.success {
+    background: $picnic-success;
+    color: $picnic-white;
+
+    * {
+      color: $picnic-white;
+    }
+  }
+  &.warning {
+    background: $picnic-warning;
+    color: $picnic-white;
+
+    * {
+      color: $picnic-white;
+    }
+  }
+  &.error {
+    background: $picnic-error;
+    color: $picnic-white;
+
+    * {
+      color: $picnic-white;
+    }
   }
 }
 

app/views/404.js

@@ -0,0 +1,12 @@
+import html from 'choo/html';
+
+export const errorView = (state, emit, i18n) => {
+  return html`<section class="error card">
+    <header>
+      <h1>${i18n.__('404.header')}</h1>
+    </header>
+    <footer>
+      <h2>${i18n.__('404.subheader')}</h2>
+    </footer>
+  </section>`;
+}

app/views/global.js

@@ -2,34 +2,9 @@ import html from 'choo/html';
 
 import headerImage from '../../dev/images/header.png';
 
-import { I18n } from '../i18n';
-import { homeView } from './home';
-import { loginView } from './login';
-import { searchView } from './search';
-
-export const viewManager = (state, emit) => {
-  const i18n = new I18n(state); // Global I18n class passed to all views
-  // In viewManager all we are doing is checking the app's state
-  // and passing the state and emit to the relevant view.
-  let htmlContent = html`<div>loading</div>`;
-  switch (state.params.page) {
-    case 'home':
-    default: {
-      htmlContent = homeView(state, emit, i18n);
-      break;
-    }
-    case 'login': {
-      htmlContent = loginView(state, emit, i18n);
-      break;
-    }
-    case 'search': {
-      htmlContent = searchView(state, emit, i18n);
-      break;
-    }
-  }
-
+export const globalView = (state, emit, i18n, view) => {
   // Create a wrapper for view content that includes global header/footer
-  let view = html`<body>
+  return html`<body>
   <header>
     <nav>
       <div class="brand">
@@ -58,7 +33,7 @@ export const viewManager = (state, emit) => {
   </header>
 
   <main class="container">
-    ${htmlContent}
+    ${view(state, emit, i18n)}
   </main>
 
   <footer>
@@ -74,6 +49,4 @@ export const viewManager = (state, emit) => {
     </nav>
   </footer>
 </body>`;
-
-  return view;
 }