Introducing flat options (react-navigation#984)

* Initial commit

* Remove HybridExample (react-navigation#985)

* Remove HybridExample

* Remove last mention of HelloHybrid

* Remove console log

* Fix flow and example

* Fix routers api docs

* Keep options in single place

* chore

* Fix styling

* Organise miscs

* Better flow type for screen options

* Flow test website and add more types to options

* navigationOptions instead of prevOptions makes more sense

* Fixes

* Fix up docs

* Fix

* Update route decl

* Provide error when removed API is used

* Remove lock

* Add validators

* Make StacksOverTabs config valid again

* Do not return

* Fix redbox

Author: grabbou

.editorconfig

@@ -0,0 +1,14 @@
+# EditorConfig is awesome: http://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 2
+
+[*.gradle]
+indent_size = 4

.flowconfig

@@ -14,6 +14,11 @@
 ; Ignore unexpected extra "@providesModule"
 .*/node_modules/.*/node_modules/fbjs/.*
 
+; Ignore website node_modules react and react-native
+<PROJECT_ROOT>/website/node_modules/react/.*
+<PROJECT_ROOT>/website/node_modules/react-native/.*
+<PROJECT_ROOT>/website/node_modules/fbjs/.*
+
 ; Ignore duplicate module providers
 ; For RN Apps installed via npm, "Libraries" folder is inside
 ; "node_modules/react-native" but in the source repo it is in the root
@@ -23,7 +28,6 @@
 <PROJECT_ROOT>/lib
 <PROJECT_ROOT>/lib-rn
 <PROJECT_ROOT>/examples
-<PROJECT_ROOT>/website
 
 [include]
 

PULL_REQUEST_TEMPLATE.md renamed to .github/PULL_REQUEST_TEMPLATE.md

@@ -5,16 +5,14 @@ Used to easily set up a screen with a drawer navigation.
 ```js
 class MyHomeScreen extends React.Component {
   static navigationOptions = {
-    drawer: () => ({
-      label: 'Home',
-      icon: ({ tintColor }) => (
-        <Image
-          source={require('./chats-icon.png')}
-          style={[styles.icon, {tintColor: tintColor}]}
-        />
-      ),
-    }),
-  }
+    drawerLabel: 'Home',
+    drawerIcon: ({ tintColor }) => (
+      <Image
+        source={require('./chats-icon.png')}
+        style={[styles.icon, {tintColor: tintColor}]}
+      />
+    ),
+  };
 
   render() {
     return (
@@ -28,16 +26,14 @@ class MyHomeScreen extends React.Component {
 
 class MyNotificationsScreen extends React.Component {
   static navigationOptions = {
-    drawer: () => ({
-      label: 'Notifications',
-      icon: ({ tintColor }) => (
-        <Image
-          source={require('./notif-icon.png')}
-          style={[styles.tabIcon, {tintColor: tintColor}]}
-        />
-      ),
-    }),
-  }
+    drawerLabel: 'Notifications',
+    drawerIcon: ({ tintColor }) => (
+      <Image
+        source={require('./notif-icon.png')}
+        style={[styles.tabIcon, {tintColor: tintColor}]}
+      />
+    ),
+  };
 
   render() {
     return (
@@ -94,7 +90,7 @@ The route configs object is a mapping from route name to a route config, which t
 #### Example:
 
 Default the `DrawerView` isn't scrollable.
-To achieve a scrollable `View`, you have to use the `contentComponent` to customize the container, 
+To achieve a scrollable `View`, you have to use the `contentComponent` to customize the container,
 as you can see in the example below.
 
 ```js
@@ -124,8 +120,8 @@ const CustomDrawerContentComponent = (props) => (
 );
 
 const styles = StyleSheet.create({
-  container : {
-    flex : 1,
+  container: {
+    flex: 1,
   },
 });
 ```
@@ -152,31 +148,17 @@ contentOptions: {
 
 ### Screen Navigation Options
 
-Usually you define static `navigationOptions` on your screen component. For example:
+#### `title`
 
-```jsx
-class ProfileScreen extends React.Component {
+Generic title that can be used as a fallback for `headerTitle` and `drawerLabel`
 
-  static navigationOptions = {
-
-    title: ({ state }) => `${state.params.name}'s Profile!`,
-
-    drawer: {
-      icon: (
-        <Image src={require('./my-icon.png')} />
-      ),
-    },
-  };
-  ...
-```
+#### `drawerLabel`
 
-All `navigationOptions` for the `DrawerNavigator`:
+String, React Element or a function that given `{ focused: boolean, tintColor: string }` returns a React.Element, to display in drawer sidebar. When undefined, scene `title` is used
 
-- `title` - a title (string) of the scene
-- `drawer` - a config object for the drawer:
-  - `label` - String, React Element or a function that given `{ focused: boolean, tintColor: string }` returns a React.Element, to display in drawer sidebar. When undefined, scene `title` is used
-  - `icon` - React Element or a function, that given `{ focused: boolean, tintColor: string }` returns a React.Element, to display in drawer sidebar
+#### `drawerIcon`
 
+React Element or a function, that given `{ focused: boolean, tintColor: string }` returns a React.Element, to display in drawer sidebar
 
 ### Navigator Props
 
@@ -191,6 +173,6 @@ The navigator component created by `DrawerNavigator(...)` takes the following pr
  });
 
  <DrawerNav
-   screenProps={/* this prop will get passed to the screen components as this.props.screenProps */}
+   screenProps={/* this prop will get passed to the screen components and nav options as props.screenProps */}
  />
  ```

docs/api/navigators/DrawerNavigator.md

@@ -57,9 +57,9 @@ StackNavigator({
     // The action and route params are extracted from the path.
 
     // Optional: Override the `navigationOptions` for the screen
-    navigationOptions: {
-      title: ({state}) => `${state.params.username}'s Profile'`,
-    },
+    navigationOptions: ({navigation}) => ({
+      title: `${navigation.state.params.username}'s Profile'`,
+    }),
   },
 
   ...MyOtherRoutes,
@@ -91,44 +91,49 @@ Visual options:
 
 ### Screen Navigation Options
 
-Usually you define static `navigationOptions` on your screen component. For example:
+#### `title`
 
-```jsx
-class ProfileScreen extends React.Component {
+Generic title that can be used as a fallback for `headerTitle` and `tabBarLabel`
 
-  static navigationOptions = {
+#### `headerVisible`
 
-    title: ({ state }) => `${state.params.name}'s Profile!`,
-
-    header: ({ state, setParams }) => ({
-      // Render a button on the right side of the header
-      // When pressed switches the screen to edit mode.
-      right: (
-        <Button
-          title={state.params.editing ? 'Done' : 'Edit'}
-          onPress={() => setParams({editing: state.params.editing ? false : true})}
-        />
-      ),
-    }),
-  };
-  ...
-```
+True or false to show or hide the header. Only works when `headerMode` is `screen`. Default value is `true`.
+
+#### `headerTitle`
+
+String or React Element used by the header. Defaults to scene `title`
+
+#### `headerBackTitle`
+
+Title string used by the back button on iOS or `null` to disable label. Defaults to scene `title`
+
+#### `headerRight`
+
+String or React Element to display on the right side of the header
+
+#### `headerLeft`
+
+String or React Element to display on the left side of the header
+
+#### `headerStyle`
+
+Style object for the header
+
+#### `headerTitleStyle`
+
+Style object for the title component
+
+#### `headerTintColor`
+
+Tint color for the header
+
+#### `headerPressColorAndroid`
+
+Color for material ripple (Android >= 5.0 only)
+
+#### `gesturesEnabled`
 
-All `navigationOptions` for the `StackNavigator`:
-
-- `title` - a title (string) of the scene
-- `header` - a config object for the header bar:
-  - `visible` - Boolean toggle of header visibility. Only works when `headerMode` is `screen`.
-  - `title` - String or React Element used by the header. Defaults to scene `title`
-  - `backTitle` - Title string used by the back button on iOS or `null` to disable label. Defaults to scene `title`
-  - `right` - React Element to display on the right side of the header
-  - `left` - React Element to display on the left side of the header
-  - `style` - Style object for the header
-  - `titleStyle` - Style object for the title component
-  - `tintColor` - Tint color for the header
-  - `pressColorAndroid` - Color for material ripple (Android >= 5.0 only)
-  - `cardStack` - a config object for the card stack:
-  - `gesturesEnabled` - Whether you can use gestures to dismiss this screen. Defaults to true on iOS, false on Android
+Whether you can use gestures to dismiss this screen. Defaults to true on iOS, false on Android
 
 ### Navigator Props
 

docs/api/navigators/StackNavigator.md

@@ -5,17 +5,15 @@ Used to easily set up a screen with several tabs with a TabRouter.
 ```js
 class MyHomeScreen extends React.Component {
   static navigationOptions = {
-    tabBar: {
-      label: 'Home',
-      // Note: By default the icon is only shown on iOS. Search the showIcon option below.
-      icon: ({ tintColor }) => (
-        <Image
-          source={require('./chats-icon.png')}
-          style={[styles.icon, {tintColor: tintColor}]}
-        />
-      ),
-    },
-  }
+    tabBarLabel: 'Home',
+    // Note: By default the icon is only shown on iOS. Search the showIcon option below.
+    tabBarIcon: ({ tintColor }) => (
+      <Image
+        source={require('./chats-icon.png')}
+        style={[styles.icon, {tintColor: tintColor}]}
+      />
+    ),
+  };
 
   render() {
     return (
@@ -29,16 +27,14 @@ class MyHomeScreen extends React.Component {
 
 class MyNotificationsScreen extends React.Component {
   static navigationOptions = {
-    tabBar: {
-      label: 'Notifications',
-      icon: ({ tintColor }) => (
-        <Image
-          source={require('./notif-icon.png')}
-          style={[styles.icon, {tintColor: tintColor}]}
-        />
-      ),
-    },
-  }
+    tabBarLabel: 'Notifications',
+    tabBarIcon: ({ tintColor }) => (
+      <Image
+        source={require('./notif-icon.png')}
+        style={[styles.icon, {tintColor: tintColor}]}
+      />
+    ),
+  };
 
   render() {
     return (
@@ -154,46 +150,35 @@ tabBarOptions: {
 
 ### Screen Navigation Options
 
-Usually you define static `navigationOptions` on your screen component. For example:
+#### `title`
 
-```jsx
-class ProfileScreen extends React.Component {
+Generic title that can be used as a fallback for `headerTitle` and `tabBarLabel`
 
-  static navigationOptions = {
+#### `tabBarVisible`
 
-    title: ({ state }) => `${state.params.name}'s Profile!`,
+True or false to show or hide the tab bar, if not set then defaults to true
 
-    tabBar: ({ state, setParams }) => ({
-      icon: (
-        <Image src={require('./my-icon.png')} />
-      ),
-    }),
-  };
-  ...
-```
+#### `tabBarIcon`
 
-All `navigationOptions` for the `TabNavigator`:
+React Element or a function that given `{ focused: boolean, tintColor: string }` returns a React.Element, to display in tab bar
+
+#### `tabBarLabel`
+
+Title string of a tab displayed in the tab bar. When undefined, scene `title` is used. To hide, see `tabBarOptions.showLabel` in the previous section.
 
-- `title` - a title (string) of the scene
-- `tabBar` - a config object for the tab bar:
-  - `visible` - Boolean toggle of tab bar visibility
-  - `icon` - React Element or a function that given `{ focused: boolean, tintColor: string }` returns a React.Element, to display in tab bar
-  - `label` - Title string of a tab displayed in the tab bar. When undefined, scene `title` is used. To hide, see `tabBarOptions.showLabel` in the previous section
-  
 ### Navigator Props
 
 The navigator component created by `TabNavigator(...)` takes the following props:
 
-- `screenProps` - Pass down extra options to child screens, for example:
+- `screenProps` - Pass down extra options to child screens and navigation options, for example:
 
 
  ```jsx
  const TabNav = TabNavigator({
    // config
  });
- 
+
  <TabNav
    screenProps={/* this prop will get passed to the screen components as this.props.screenProps */}
  />
  ```
- 

docs/api/navigators/TabNavigator.md

@@ -72,30 +72,32 @@ Based on the routeNames in the state, the router is responsible for returning va
 
 Returns the active component for a deep navigation state.
 
-### `getActionForPathAndParams`
+### `getActionForPathAndParams(path, params)`
 
 Returns an optional navigation action that should be used when the user navigates to this path and provides optional query parameters.
 
-### `getPathAndParamsForState`
+### `getPathAndParamsForState(state)`
 
 Returns the path and params that can be put into the URL to link the user back to the same spot in the app.
 
 The path/params that are output from this should form an action when passed back into the router's `getActionForPathAndParams`. That action should take you to a similar state once passed through `getStateForAction`.
 
-### `getScreenConfig`
+### `getScreenOptions(navigation, screenProps)`
 
-Used to retrieve the navigation options for a route. Must provide the screen's current navigation prop, and the name of the option to be retrieved.
+Used to retrieve the navigation options for a screen. Must provide the screen's current navigation prop and optionally, other props that your navigation options may need to consume.
 
 - `navigation` - This is the navigation prop that the screen will use, where the state refers to the screen's route/state. Dispatch will trigger actions in the context of that screen.
-- `optionName` - What named option is being fetched, such as 'title'
+- `screenProps` - Other props that your navigation options may need to consume
+- `navigationOptions` - The previous set of options that are default or provided by the previous configurer
 
 Inside an example view, perhaps you need to fetch the configured title:
 ```js
 // First, prepare a navigation prop for your child, or re-use one if already available.
-const childNavigation = addNavigationHelpers({
+const screenNavigation = addNavigationHelpers({
   // In this case we use navigation.state.index because we want the title for the active route.
   state: navigation.state.routes[navigation.state.index],
   dispatch: navigation.dispatch,
-})
-const screenTitle = this.props.router.getScreenConfig(childNavigation, 'title');
+});
+const options = this.props.router.getScreenOptions(screenNavigation, {});
+const title = options.title;
 ```