Migrate app/react-native to typescript

app/react-native/package.json

@@ -18,23 +18,22 @@
   },
   "license": "MIT",
   "main": "dist/index.js",
-  "jsnext:main": "src/index.js",
   "scripts": {
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
     "@storybook/addons": "5.1.0-alpha.22",
     "@storybook/channel-websocket": "5.1.0-alpha.22",
     "@storybook/channels": "5.1.0-alpha.22",
+    "@storybook/api": "5.1.0-alpha.22",
     "@storybook/client-api": "5.1.0-alpha.22",
     "@storybook/core-events": "5.1.0-alpha.22",
-    "core-js": "^2.6.5",
-    "prop-types": "^15.7.2",
     "react-native-swipe-gestures": "^1.0.3",
     "rn-host-detect": "^1.1.5"
   },
   "devDependencies": {
-    "react-native": "^0.57.8"
+    "react-native": "^0.57.8",
+    "@types/react-native": "^0.57.42"
   },
   "peerDependencies": {
     "react": "*",

app/react-native/src/index.ts

@@ -0,0 +1,13 @@
+import Preview from './preview';
+
+const preview = new Preview();
+
+export const storiesOf = preview.api().storiesOf.bind(preview);
+export const setAddon = preview.api().setAddon.bind(preview);
+export const addDecorator = preview.api().addDecorator.bind(preview);
+export const addParameters = preview.api().addParameters.bind(preview);
+export const clearDecorators = preview.api().clearDecorators.bind(preview);
+export const configure = preview.configure;
+export const getStorybook = preview.api().getStorybook.bind(preview);
+export const getStorybookUI = preview.getStorybookUI;
+export const raw = preview.api().raw.bind(preview);

app/react-native/src/preview/components/OnDeviceUI/absolute-positioned-keyboard-aware-view.js → app/react-native/src/preview/components/OnDeviceUI/absolute-positioned-keyboard-aware-view.tsx

@@ -1,12 +1,31 @@
 import React, { PureComponent } from 'react';
-import PropTypes from 'prop-types';
-import { Platform, Keyboard, Dimensions, View } from 'react-native';
-
+import {
+  Platform,
+  Keyboard,
+  Dimensions,
+  View,
+  EmitterSubscription,
+  LayoutChangeEvent,
+  KeyboardEvent,
+} from 'react-native';
 import style from './style';
 
+export interface PreviewDimens {
+  previewWidth: number;
+  previewHeight: number;
+}
+
+type Props = {
+  onLayout: (dimens: PreviewDimens) => void;
+} & PreviewDimens;
+
 // Android changes screen size when keyboard opens.
 // To avoid issues we use absolute positioned element with predefined screen size
-export default class AbsolutePositionedKeyboardAwareView extends PureComponent {
+export default class AbsolutePositionedKeyboardAwareView extends PureComponent<Props> {
+  keyboardDidShowListener: EmitterSubscription;
+  keyboardDidHideListener: EmitterSubscription;
+  keyboardOpen: boolean;
+
   componentWillMount() {
     this.keyboardDidShowListener = Keyboard.addListener(
       'keyboardDidShow',
@@ -25,7 +44,7 @@ export default class AbsolutePositionedKeyboardAwareView extends PureComponent {
     Dimensions.removeEventListener('change', this.removeKeyboardOnOrientationChange);
   }
 
-  keyboardDidShowHandler = e => {
+  keyboardDidShowHandler = (e: KeyboardEvent) => {
     if (Platform.OS === 'android') {
       const { previewWidth } = this.props;
       // There is bug in RN android that keyboardDidShow event is called simply when you go from portrait to landscape.
@@ -50,7 +69,7 @@ export default class AbsolutePositionedKeyboardAwareView extends PureComponent {
     }
   };
 
-  onLayoutHandler = ({ nativeEvent }) => {
+  onLayoutHandler = ({ nativeEvent }: LayoutChangeEvent) => {
     if (!this.keyboardOpen) {
       const { width, height } = nativeEvent.layout;
       const { onLayout } = this.props;
@@ -80,10 +99,3 @@ export default class AbsolutePositionedKeyboardAwareView extends PureComponent {
     );
   }
 }
-
-AbsolutePositionedKeyboardAwareView.propTypes = {
-  children: PropTypes.node.isRequired,
-  previewWidth: PropTypes.number.isRequired,
-  previewHeight: PropTypes.number.isRequired,
-  onLayout: PropTypes.func.isRequired,
-};

app/react-native/src/preview/components/OnDeviceUI/addons/index.js → app/react-native/src/preview/components/OnDeviceUI/addons/index.tsx

@@ -1,22 +1,22 @@
 import React, { PureComponent } from 'react';
 import { View, Text } from 'react-native';
 import addons from '@storybook/addons';
-
 import AddonsList from './list';
 import AddonWrapper from './wrapper';
 import style from '../style';
 
-export default class Addons extends PureComponent {
-  constructor() {
-    super();
-    this.panels = addons.getElements('panel');
+export default class Addons extends PureComponent<{}, { addonSelected: string }> {
+  panels = addons.getElements('panel');
+
+  constructor(props: {}) {
+    super(props);
 
     this.state = {
       addonSelected: Object.keys(this.panels)[0] || null,
     };
   }
 
-  onPressAddon = addonSelected => {
+  onPressAddon = (addonSelected: string) => {
     this.setState({ addonSelected });
   };
 
@@ -26,7 +26,7 @@ export default class Addons extends PureComponent {
     if (Object.keys(this.panels).length === 0) {
       return (
         <View style={[style.flex, style.center]}>
-          <Text style={style.text}>No onDevice addons loaded.</Text>
+          <Text style={style.text}>No addons loaded.</Text>
         </View>
       );
     }

app/react-native/src/preview/components/OnDeviceUI/addons/list.js → app/react-native/src/preview/components/OnDeviceUI/addons/list.tsx

@@ -1,7 +1,6 @@
 import React, { PureComponent } from 'react';
-import PropTypes from 'prop-types';
 import { View, ScrollView, StyleSheet } from 'react-native';
-
+import { Collection } from '@storybook/addons';
 import Button from '../navigation/button';
 
 const style = StyleSheet.create({
@@ -13,12 +12,18 @@ const style = StyleSheet.create({
   },
 });
 
-export default class AddonList extends PureComponent {
-  renderTab = (id, title) => {
+export interface Props {
+  panels: Collection;
+  addonSelected: string;
+  onPressAddon: (id: string) => void;
+}
+
+export default class AddonList extends PureComponent<Props> {
+  renderTab = (id: string, title: string) => {
     const { addonSelected, onPressAddon } = this.props;
 
     return (
-      <Button active={id === addonSelected} key={id} id={id} onPress={onPressAddon}>
+      <Button active={id === addonSelected} key={id} id={id} onPress={() => onPressAddon(id)}>
         {title}
       </Button>
     );
@@ -30,21 +35,10 @@ export default class AddonList extends PureComponent {
 
     return (
       <View style={style.list}>
-        <ScrollView showsHorizontalScrollIndicator={false} horizontal style={style.addonList}>
+        <ScrollView showsHorizontalScrollIndicator={false} horizontal>
           {addonKeys.map(id => this.renderTab(id, panels[id].title))}
         </ScrollView>
       </View>
     );
   }
 }
-
-AddonList.propTypes = {
-  panels: PropTypes.objectOf(
-    PropTypes.shape({
-      title: PropTypes.string.isRequired,
-      render: PropTypes.func.isRequired,
-    }).isRequired
-  ).isRequired,
-  onPressAddon: PropTypes.func.isRequired,
-  addonSelected: PropTypes.string.isRequired,
-};

app/react-native/src/preview/components/OnDeviceUI/addons/tab.js → app/react-native/src/preview/components/OnDeviceUI/addons/tab.tsx

@@ -1,10 +1,15 @@
 import React, { PureComponent } from 'react';
-import PropTypes from 'prop-types';
 import { TouchableOpacity, Text } from 'react-native';
 
 import style from '../style';
 
-export default class Tab extends PureComponent {
+export interface Props {
+  id: string;
+  title: string;
+  onPress: (id: string) => void;
+}
+
+export default class Tab extends PureComponent<Props> {
   onPressHandler = () => {
     const { onPress, id } = this.props;
     onPress(id);
@@ -19,9 +24,3 @@ export default class Tab extends PureComponent {
     );
   }
 }
-
-Tab.propTypes = {
-  onPress: PropTypes.func.isRequired,
-  id: PropTypes.string.isRequired,
-  title: PropTypes.string.isRequired,
-};

app/react-native/src/preview/components/OnDeviceUI/addons/wrapper.tsx

@@ -0,0 +1,33 @@
+import React, { PureComponent } from 'react';
+import { View, ScrollView } from 'react-native';
+import { Collection } from '@storybook/addons';
+import style from '../style';
+
+export interface Props {
+  panels: Collection;
+  addonSelected: string;
+}
+
+export default class Wrapper extends PureComponent<Props> {
+  static defaultProps = {
+    addonSelected: '',
+  };
+
+  render() {
+    const { panels, addonSelected } = this.props;
+
+    const addonKeys = Object.keys(panels);
+
+    return addonKeys.map(id => {
+      const selected = addonSelected === id;
+
+      return (
+        <View key={id} style={selected ? style.flex : style.invisible}>
+          <ScrollView style={style.flex}>
+            {panels[id].render({ active: selected, key: id })}
+          </ScrollView>
+        </View>
+      );
+    });
+  }
+}

app/react-native/src/preview/components/OnDeviceUI/animation.js → app/react-native/src/preview/components/OnDeviceUI/animation.ts

@@ -1,10 +1,11 @@
-import { NAVIGATOR, PREVIEW, ADDONS } from './navigation/consts';
+import { NAVIGATOR, PREVIEW, ADDONS } from './navigation/constants';
+import { Animated, ViewProps } from 'react-native';
 
 const PREVIEW_SCALE = 0.3;
 
-const panelWidth = width => width * (1 - PREVIEW_SCALE - 0.05);
+const panelWidth = (width: number) => width * (1 - PREVIEW_SCALE - 0.05);
 
-export function getNavigatorPanelPosition(animatedValue, previewWidth) {
+export const getNavigatorPanelPosition = (animatedValue: Animated.Value, previewWidth: number) => {
   return [
     {
       transform: [
@@ -18,9 +19,9 @@ export function getNavigatorPanelPosition(animatedValue, previewWidth) {
       width: panelWidth(previewWidth),
     },
   ];
-}
+};
 
-export function getAddonPanelPosition(animatedValue, previewWidth) {
+export const getAddonPanelPosition = (animatedValue: Animated.Value, previewWidth: number) => {
   return [
     {
       transform: [
@@ -34,14 +35,14 @@ export function getAddonPanelPosition(animatedValue, previewWidth) {
       width: panelWidth(previewWidth),
     },
   ];
-}
+};
 
-export function getPreviewPosition(
-  animatedValue,
-  previewWidth,
-  previewHeight,
-  slideBetweenAnimation
-) {
+export const getPreviewPosition = (
+  animatedValue: Animated.Value,
+  previewWidth: number,
+  previewHeight: number,
+  slideBetweenAnimation: boolean
+) => {
   const translateX = previewWidth / 2 - (previewWidth * PREVIEW_SCALE) / 2 - 6;
   const translateY = -(previewHeight / 2 - (previewHeight * PREVIEW_SCALE) / 2 - 12);
 
@@ -61,9 +62,9 @@ export function getPreviewPosition(
       },
     ],
   };
-}
+};
 
-export function getPreviewScale(animatedValue, slideBetweenAnimation) {
+export const getPreviewScale = (animatedValue: Animated.Value, slideBetweenAnimation: boolean) => {
   return {
     transform: [
       {
@@ -74,4 +75,4 @@ export function getPreviewScale(animatedValue, slideBetweenAnimation) {
       },
     ],
   };
-}
+};