Update Home base components to use TypeScript

src/components/Animations/AnimatedAccordion.tsx

@@ -17,42 +17,37 @@
  * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-// @flow
-
 import * as React from 'react';
-import {View} from 'react-native';
+import {View, ViewStyle} from 'react-native';
 import {List, withTheme} from 'react-native-paper';
 import Collapsible from 'react-native-collapsible';
 import * as Animatable from 'react-native-animatable';
-import type {CustomThemeType} from '../../managers/ThemeManager';
-import type {ListIconPropsType} from '../../constants/PaperStyles';
 
 type PropsType = {
-  theme: CustomThemeType,
-  title: string,
-  subtitle?: string,
-  left?: () => React.Node,
-  opened?: boolean,
-  unmountWhenCollapsed?: boolean,
-  children?: React.Node,
+  theme: ReactNativePaper.Theme;
+  title: string;
+  subtitle?: string;
+  style: ViewStyle;
+  left?: (props: {
+    color: string;
+    style?: {
+      marginRight: number;
+      marginVertical?: number;
+    };
+  }) => React.ReactNode;
+  opened?: boolean;
+  unmountWhenCollapsed?: boolean;
+  children?: React.ReactNode;
 };
 
 type StateType = {
-  expanded: boolean,
+  expanded: boolean;
 };
 
 const AnimatedListIcon = Animatable.createAnimatableComponent(List.Icon);
 
 class AnimatedAccordion extends React.Component<PropsType, StateType> {
-  static defaultProps = {
-    subtitle: '',
-    left: null,
-    opened: null,
-    unmountWhenCollapsed: false,
-    children: null,
-  };
-
-  chevronRef: {current: null | AnimatedListIcon};
+  chevronRef: {current: null | (typeof AnimatedListIcon & List.Icon)};
 
   chevronIcon: string;
 
@@ -62,6 +57,9 @@ class AnimatedAccordion extends React.Component<PropsType, StateType> {
 
   constructor(props: PropsType) {
     super(props);
+    this.chevronIcon = '';
+    this.animStart = '';
+    this.animEnd = '';
     this.state = {
       expanded: props.opened != null ? props.opened : false,
     };
@@ -71,8 +69,9 @@ class AnimatedAccordion extends React.Component<PropsType, StateType> {
 
   shouldComponentUpdate(nextProps: PropsType): boolean {
     const {state, props} = this;
-    if (nextProps.opened != null && nextProps.opened !== props.opened)
+    if (nextProps.opened != null && nextProps.opened !== props.opened) {
       state.expanded = nextProps.opened;
+    }
     return true;
   }
 
@@ -101,17 +100,17 @@ class AnimatedAccordion extends React.Component<PropsType, StateType> {
     }
   };
 
-  render(): React.Node {
+  render() {
     const {props, state} = this;
     const {colors} = props.theme;
     return (
-      <View>
+      <View style={props.style}>
         <List.Item
           title={props.title}
-          subtitle={props.subtitle}
+          description={props.subtitle}
           titleStyle={state.expanded ? {color: colors.primary} : null}
           onPress={this.toggleAccordion}
-          right={(iconProps: ListIconPropsType): React.Node => (
+          right={(iconProps) => (
             <AnimatedListIcon
               ref={this.chevronRef}
               style={iconProps.style}

src/components/Animations/AnimatedBottomBar.tsx

@@ -17,29 +17,30 @@
  * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-// @flow
-
 import * as React from 'react';
-import {StyleSheet, View} from 'react-native';
+import {
+  NativeScrollEvent,
+  NativeSyntheticEvent,
+  StyleSheet,
+  View,
+} from 'react-native';
 import {FAB, IconButton, Surface, withTheme} from 'react-native-paper';
 import * as Animatable from 'react-native-animatable';
 import {StackNavigationProp} from '@react-navigation/stack';
 import AutoHideHandler from '../../utils/AutoHideHandler';
 import CustomTabBar from '../Tabbar/CustomTabBar';
-import type {CustomThemeType} from '../../managers/ThemeManager';
-import type {OnScrollType} from '../../utils/AutoHideHandler';
 
 const AnimatedFAB = Animatable.createAnimatableComponent(FAB);
 
 type PropsType = {
-  navigation: StackNavigationProp,
-  theme: CustomThemeType,
-  onPress: (action: string, data?: string) => void,
-  seekAttention: boolean,
+  navigation: StackNavigationProp<any>;
+  theme: ReactNativePaper.Theme;
+  onPress: (action: string, data?: string) => void;
+  seekAttention: boolean;
 };
 
 type StateType = {
-  currentMode: string,
+  currentMode: string;
 };
 
 const DISPLAY_MODES = {
@@ -78,14 +79,14 @@ const styles = StyleSheet.create({
 });
 
 class AnimatedBottomBar extends React.Component<PropsType, StateType> {
-  ref: {current: null | Animatable.View};
+  ref: {current: null | (Animatable.View & View)};
 
   hideHandler: AutoHideHandler;
 
   displayModeIcons: {[key: string]: string};
 
-  constructor() {
-    super();
+  constructor(props: PropsType) {
+    super(props);
     this.state = {
       currentMode: DISPLAY_MODES.WEEK,
     };
@@ -108,13 +109,17 @@ class AnimatedBottomBar extends React.Component<PropsType, StateType> {
   }
 
   onHideChange = (shouldHide: boolean) => {
-    if (this.ref.current != null) {
-      if (shouldHide) this.ref.current.fadeOutDown(500);
-      else this.ref.current.fadeInUp(500);
+    const ref = this.ref;
+    if (ref && ref.current && ref.current.fadeOutDown && ref.current.fadeInUp) {
+      if (shouldHide) {
+        ref.current.fadeOutDown(500);
+      } else {
+        ref.current.fadeInUp(500);
+      }
     }
   };
 
-  onScroll = (event: OnScrollType) => {
+  onScroll = (event: NativeSyntheticEvent<NativeScrollEvent>) => {
     this.hideHandler.onScroll(event);
   };
 
@@ -139,7 +144,7 @@ class AnimatedBottomBar extends React.Component<PropsType, StateType> {
     props.onPress('changeView', newMode);
   };
 
-  render(): React.Node {
+  render() {
     const {props, state} = this;
     const buttonColor = props.theme.colors.primary;
     return (

src/components/Animations/AnimatedFAB.tsx

@@ -17,22 +17,23 @@
  * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-// @flow
-
 import * as React from 'react';
-import {StyleSheet} from 'react-native';
+import {
+  NativeScrollEvent,
+  NativeSyntheticEvent,
+  StyleSheet,
+  View,
+} from 'react-native';
 import {FAB} from 'react-native-paper';
 import * as Animatable from 'react-native-animatable';
 import AutoHideHandler from '../../utils/AutoHideHandler';
 import CustomTabBar from '../Tabbar/CustomTabBar';
 
 type PropsType = {
-  icon: string,
-  onPress: () => void,
+  icon: string;
+  onPress: () => void;
 };
 
-const AnimatedFab = Animatable.createAnimatableComponent(FAB);
-
 const styles = StyleSheet.create({
   fab: {
     position: 'absolute',
@@ -42,41 +43,50 @@ const styles = StyleSheet.create({
 });
 
 export default class AnimatedFAB extends React.Component<PropsType> {
-  ref: {current: null | Animatable.View};
+  ref: {current: null | (Animatable.View & View)};
 
   hideHandler: AutoHideHandler;
 
-  constructor() {
-    super();
+  constructor(props: PropsType) {
+    super(props);
     this.ref = React.createRef();
     this.hideHandler = new AutoHideHandler(false);
     this.hideHandler.addListener(this.onHideChange);
   }
 
-  onScroll = (event: SyntheticEvent<EventTarget>) => {
+  onScroll = (event: NativeSyntheticEvent<NativeScrollEvent>) => {
     this.hideHandler.onScroll(event);
   };
 
   onHideChange = (shouldHide: boolean) => {
-    if (this.ref.current != null) {
-      if (shouldHide) this.ref.current.bounceOutDown(1000);
-      else this.ref.current.bounceInUp(1000);
+    const ref = this.ref;
+    if (
+      ref &&
+      ref.current &&
+      ref.current.bounceOutDown &&
+      ref.current.bounceInUp
+    ) {
+      if (shouldHide) {
+        ref.current.bounceOutDown(1000);
+      } else {
+        ref.current.bounceInUp(1000);
+      }
     }
   };
 
-  render(): React.Node {
+  render() {
     const {props} = this;
     return (
-      <AnimatedFab
-        ref={this.ref}
-        useNativeDriver
-        icon={props.icon}
-        onPress={props.onPress}
-        style={{
-          ...styles.fab,
-          bottom: CustomTabBar.TAB_BAR_HEIGHT,
-        }}
-      />
+      <Animatable.View ref={this.ref} useNativeDriver={true}>
+        <FAB
+          icon={props.icon}
+          onPress={props.onPress}
+          style={{
+            ...styles.fab,
+            bottom: CustomTabBar.TAB_BAR_HEIGHT,
+          }}
+        />
+      </Animatable.View>
     );
   }
 }

src/components/Home/ActionsDashboardItem.js

@@ -1,75 +0,0 @@
-/*
- * Copyright (c) 2019 - 2020 Arnaud Vergnet.
- *
- * This file is part of Campus INSAT.
- *
- * Campus INSAT is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Campus INSAT is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-// @flow
-
-import * as React from 'react';
-import {List, withTheme} from 'react-native-paper';
-import {View} from 'react-native';
-import i18n from 'i18n-js';
-import {StackNavigationProp} from '@react-navigation/stack';
-import type {CustomThemeType} from '../../managers/ThemeManager';
-import type {ListIconPropsType} from '../../constants/PaperStyles';
-
-type PropsType = {
-  navigation: StackNavigationProp,
-  theme: CustomThemeType,
-};
-
-class ActionsDashBoardItem extends React.Component<PropsType> {
-  shouldComponentUpdate(nextProps: PropsType): boolean {
-    const {props} = this;
-    return nextProps.theme.dark !== props.theme.dark;
-  }
-
-  render(): React.Node {
-    const {navigation} = this.props;
-    return (
-      <View>
-        <List.Item
-          title={i18n.t('screens.feedback.homeButtonTitle')}
-          description={i18n.t('screens.feedback.homeButtonSubtitle')}
-          left={(props: ListIconPropsType): React.Node => (
-            <List.Icon
-              color={props.color}
-              style={props.style}
-              icon="comment-quote"
-            />
-          )}
-          right={(props: ListIconPropsType): React.Node => (
-            <List.Icon
-              color={props.color}
-              style={props.style}
-              icon="chevron-right"
-            />
-          )}
-          onPress={(): void => navigation.navigate('feedback')}
-          style={{
-            paddingTop: 0,
-            paddingBottom: 0,
-            marginLeft: 10,
-            marginRight: 10,
-          }}
-        />
-      </View>
-    );
-  }
-}
-
-export default withTheme(ActionsDashBoardItem);

src/components/Home/ActionsDashboardItem.tsx

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2019 - 2020 Arnaud Vergnet.
+ *
+ * This file is part of Campus INSAT.
+ *
+ * Campus INSAT is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Campus INSAT is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import * as React from 'react';
+import {List} from 'react-native-paper';
+import {View} from 'react-native';
+import i18n from 'i18n-js';
+import {useNavigation} from '@react-navigation/native';
+
+function ActionsDashBoardItem() {
+  const navigation = useNavigation();
+  return (
+    <View>
+      <List.Item
+        title={i18n.t('screens.feedback.homeButtonTitle')}
+        description={i18n.t('screens.feedback.homeButtonSubtitle')}
+        left={(props) => (
+          <List.Icon
+            color={props.color}
+            style={props.style}
+            icon="comment-quote"
+          />
+        )}
+        right={(props) => (
+          <List.Icon
+            color={props.color}
+            style={props.style}
+            icon="chevron-right"
+          />
+        )}
+        onPress={(): void => navigation.navigate('feedback')}
+        style={{
+          paddingTop: 0,
+          paddingBottom: 0,
+          marginLeft: 10,
+          marginRight: 10,
+        }}
+      />
+    </View>
+  );
+}
+
+export default ActionsDashBoardItem;

src/components/Home/EventDashboardItem.js

@@ -1,116 +0,0 @@
-/*
- * Copyright (c) 2019 - 2020 Arnaud Vergnet.
- *
- * This file is part of Campus INSAT.
- *
- * Campus INSAT is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Campus INSAT is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-// @flow
-
-import * as React from 'react';
-import {
-  Avatar,
-  Card,
-  Text,
-  TouchableRipple,
-  withTheme,
-} from 'react-native-paper';
-import {StyleSheet, View} from 'react-native';
-import i18n from 'i18n-js';
-import type {CustomThemeType} from '../../managers/ThemeManager';
-import type {CardTitleIconPropsType} from '../../constants/PaperStyles';
-
-type PropsType = {
-  eventNumber: number,
-  clickAction: () => void,
-  theme: CustomThemeType,
-  children?: React.Node,
-};
-
-const styles = StyleSheet.create({
-  card: {
-    width: 'auto',
-    marginLeft: 10,
-    marginRight: 10,
-    marginTop: 10,
-    overflow: 'hidden',
-  },
-  avatar: {
-    backgroundColor: 'transparent',
-  },
-});
-
-/**
- * Component used to display a dashboard item containing a preview event
- */
-class EventDashBoardItem extends React.Component<PropsType> {
-  static defaultProps = {
-    children: null,
-  };
-
-  shouldComponentUpdate(nextProps: PropsType): boolean {
-    const {props} = this;
-    return (
-      nextProps.theme.dark !== props.theme.dark ||
-      nextProps.eventNumber !== props.eventNumber
-    );
-  }
-
-  render(): React.Node {
-    const {props} = this;
-    const {colors} = props.theme;
-    const isAvailable = props.eventNumber > 0;
-    const iconColor = isAvailable ? colors.planningColor : colors.textDisabled;
-    const textColor = isAvailable ? colors.text : colors.textDisabled;
-    let subtitle;
-    if (isAvailable) {
-      subtitle = (
-        <Text>
-          <Text style={{fontWeight: 'bold'}}>{props.eventNumber}</Text>
-          <Text>
-            {props.eventNumber > 1
-              ? i18n.t('screens.home.dashboard.todayEventsSubtitlePlural')
-              : i18n.t('screens.home.dashboard.todayEventsSubtitle')}
-          </Text>
-        </Text>
-      );
-    } else subtitle = i18n.t('screens.home.dashboard.todayEventsSubtitleNA');
-    return (
-      <Card style={styles.card}>
-        <TouchableRipple style={{flex: 1}} onPress={props.clickAction}>
-          <View>
-            <Card.Title
-              title={i18n.t('screens.home.dashboard.todayEventsTitle')}
-              titleStyle={{color: textColor}}
-              subtitle={subtitle}
-              subtitleStyle={{color: textColor}}
-              left={(iconProps: CardTitleIconPropsType): React.Node => (
-                <Avatar.Icon
-                  icon="calendar-range"
-                  color={iconColor}
-                  size={iconProps.size}
-                  style={styles.avatar}
-                />
-              )}
-            />
-            <Card.Content>{props.children}</Card.Content>
-          </View>
-        </TouchableRipple>
-      </Card>
-    );
-  }
-}
-
-export default withTheme(EventDashBoardItem);

src/components/Home/EventDashboardItem.tsx

@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2019 - 2020 Arnaud Vergnet.
+ *
+ * This file is part of Campus INSAT.
+ *
+ * Campus INSAT is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Campus INSAT is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import * as React from 'react';
+import {
+  Avatar,
+  Card,
+  Text,
+  TouchableRipple,
+  useTheme,
+} from 'react-native-paper';
+import {StyleSheet, View} from 'react-native';
+import i18n from 'i18n-js';
+
+type PropsType = {
+  eventNumber: number;
+  clickAction: () => void;
+  children?: React.ReactNode;
+};
+
+const styles = StyleSheet.create({
+  card: {
+    width: 'auto',
+    marginLeft: 10,
+    marginRight: 10,
+    marginTop: 10,
+    overflow: 'hidden',
+  },
+  avatar: {
+    backgroundColor: 'transparent',
+  },
+});
+
+/**
+ * Component used to display a dashboard item containing a preview event
+ */
+function EventDashBoardItem(props: PropsType) {
+  const theme = useTheme();
+  const isAvailable = props.eventNumber > 0;
+  const iconColor = isAvailable
+    ? theme.colors.planningColor
+    : theme.colors.textDisabled;
+  const textColor = isAvailable ? theme.colors.text : theme.colors.textDisabled;
+  let subtitle;
+  if (isAvailable) {
+    subtitle = (
+      <Text>
+        <Text style={{fontWeight: 'bold'}}>{props.eventNumber}</Text>
+        <Text>
+          {props.eventNumber > 1
+            ? i18n.t('screens.home.dashboard.todayEventsSubtitlePlural')
+            : i18n.t('screens.home.dashboard.todayEventsSubtitle')}
+        </Text>
+      </Text>
+    );
+  } else {
+    subtitle = i18n.t('screens.home.dashboard.todayEventsSubtitleNA');
+  }
+  return (
+    <Card style={styles.card}>
+      <TouchableRipple style={{flex: 1}} onPress={props.clickAction}>
+        <View>
+          <Card.Title
+            title={i18n.t('screens.home.dashboard.todayEventsTitle')}
+            titleStyle={{color: textColor}}
+            subtitle={subtitle}
+            subtitleStyle={{color: textColor}}
+            left={(iconProps) => (
+              <Avatar.Icon
+                icon="calendar-range"
+                color={iconColor}
+                size={iconProps.size}
+                style={styles.avatar}
+              />
+            )}
+          />
+          <Card.Content>{props.children}</Card.Content>
+        </View>
+      </TouchableRipple>
+    </Card>
+  );
+}
+
+const areEqual = (prevProps: PropsType, nextProps: PropsType): boolean => {
+  return nextProps.eventNumber !== prevProps.eventNumber;
+};
+
+export default React.memo(EventDashBoardItem, areEqual);

src/components/Home/FeedItem.js

@@ -1,139 +0,0 @@
-/*
- * Copyright (c) 2019 - 2020 Arnaud Vergnet.
- *
- * This file is part of Campus INSAT.
- *
- * Campus INSAT is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Campus INSAT is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-// @flow
-
-import * as React from 'react';
-import {Button, Card, Text, TouchableRipple} from 'react-native-paper';
-import {Image, View} from 'react-native';
-import Autolink from 'react-native-autolink';
-import i18n from 'i18n-js';
-import {StackNavigationProp} from '@react-navigation/stack';
-import type {FeedItemType} from '../../screens/Home/HomeScreen';
-import NewsSourcesConstants from '../../constants/NewsSourcesConstants';
-import type {NewsSourceType} from '../../constants/NewsSourcesConstants';
-import ImageGalleryButton from '../Media/ImageGalleryButton';
-
-type PropsType = {
-  navigation: StackNavigationProp,
-  item: FeedItemType,
-  height: number,
-};
-
-/**
- * Component used to display a feed item
- */
-class FeedItem extends React.Component<PropsType> {
-  /**
-   * Converts a dateString using Unix Timestamp to a formatted date
-   *
-   * @param dateString {string} The Unix Timestamp representation of a date
-   * @return {string} The formatted output date
-   */
-  static getFormattedDate(dateString: number): string {
-    const date = new Date(dateString * 1000);
-    return date.toLocaleString();
-  }
-
-  shouldComponentUpdate(): boolean {
-    return false;
-  }
-
-  onPress = () => {
-    const {item, navigation} = this.props;
-    navigation.navigate('feed-information', {
-      data: item,
-      date: FeedItem.getFormattedDate(item.time),
-    });
-  };
-
-  render(): React.Node {
-    const {item, height, navigation} = this.props;
-    const image = item.image !== '' && item.image != null ? item.image : null;
-    const pageSource: NewsSourceType = NewsSourcesConstants[item.page_id];
-    const cardMargin = 10;
-    const cardHeight = height - 2 * cardMargin;
-    const imageSize = 250;
-    const titleHeight = 80;
-    const actionsHeight = 60;
-    const textHeight =
-      image != null
-        ? cardHeight - titleHeight - actionsHeight - imageSize
-        : cardHeight - titleHeight - actionsHeight;
-    return (
-      <Card
-        style={{
-          margin: cardMargin,
-          height: cardHeight,
-        }}>
-        <TouchableRipple style={{flex: 1}} onPress={this.onPress}>
-          <View>
-            <Card.Title
-              title={pageSource.name}
-              subtitle={FeedItem.getFormattedDate(item.time)}
-              left={(): React.Node => (
-                <Image
-                  size={48}
-                  source={pageSource.icon}
-                  style={{
-                    width: 48,
-                    height: 48,
-                  }}
-                />
-              )}
-              style={{height: titleHeight}}
-            />
-            {image != null ? (
-              <ImageGalleryButton
-                navigation={navigation}
-                images={[{url: image}]}
-                style={{
-                  width: imageSize,
-                  height: imageSize,
-                  marginLeft: 'auto',
-                  marginRight: 'auto',
-                }}
-              />
-            ) : null}
-            <Card.Content>
-              {item.message !== undefined ? (
-                <Autolink
-                  text={item.message}
-                  hashtag="facebook"
-                  component={Text}
-                  style={{height: textHeight}}
-                />
-              ) : null}
-            </Card.Content>
-            <Card.Actions style={{height: actionsHeight}}>
-              <Button
-                onPress={this.onPress}
-                icon="plus"
-                style={{marginLeft: 'auto'}}>
-                {i18n.t('screens.home.dashboard.seeMore')}
-              </Button>
-            </Card.Actions>
-          </View>
-        </TouchableRipple>
-      </Card>
-    );
-  }
-}
-
-export default FeedItem;

src/components/Home/FeedItem.tsx

@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2019 - 2020 Arnaud Vergnet.
+ *
+ * This file is part of Campus INSAT.
+ *
+ * Campus INSAT is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Campus INSAT is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import * as React from 'react';
+import {Button, Card, Text, TouchableRipple} from 'react-native-paper';
+import {Image, View} from 'react-native';
+import Autolink from 'react-native-autolink';
+import i18n from 'i18n-js';
+import type {FeedItemType} from '../../screens/Home/HomeScreen';
+import NewsSourcesConstants, {
+  AvailablePages,
+} from '../../constants/NewsSourcesConstants';
+import type {NewsSourceType} from '../../constants/NewsSourcesConstants';
+import ImageGalleryButton from '../Media/ImageGalleryButton';
+import {useNavigation} from '@react-navigation/native';
+
+type PropsType = {
+  item: FeedItemType;
+  height: number;
+};
+
+/**
+ * Converts a dateString using Unix Timestamp to a formatted date
+ *
+ * @param dateString {string} The Unix Timestamp representation of a date
+ * @return {string} The formatted output date
+ */
+function getFormattedDate(dateString: number): string {
+  const date = new Date(dateString * 1000);
+  return date.toLocaleString();
+}
+
+/**
+ * Component used to display a feed item
+ */
+function FeedItem(props: PropsType) {
+  const navigation = useNavigation();
+  const onPress = () => {
+    navigation.navigate('feed-information', {
+      data: item,
+      date: getFormattedDate(props.item.time),
+    });
+  };
+
+  const {item, height} = props;
+  const image = item.image !== '' && item.image != null ? item.image : null;
+  const pageSource: NewsSourceType =
+    NewsSourcesConstants[item.page_id as AvailablePages];
+  const cardMargin = 10;
+  const cardHeight = height - 2 * cardMargin;
+  const imageSize = 250;
+  const titleHeight = 80;
+  const actionsHeight = 60;
+  const textHeight =
+    image != null
+      ? cardHeight - titleHeight - actionsHeight - imageSize
+      : cardHeight - titleHeight - actionsHeight;
+  return (
+    <Card
+      style={{
+        margin: cardMargin,
+        height: cardHeight,
+      }}>
+      <TouchableRipple style={{flex: 1}} onPress={onPress}>
+        <View>
+          <Card.Title
+            title={pageSource.name}
+            subtitle={getFormattedDate(item.time)}
+            left={() => (
+              <Image
+                source={pageSource.icon}
+                style={{
+                  width: 48,
+                  height: 48,
+                }}
+              />
+            )}
+            style={{height: titleHeight}}
+          />
+          {image != null ? (
+            <ImageGalleryButton
+              images={[{url: image}]}
+              style={{
+                width: imageSize,
+                height: imageSize,
+                marginLeft: 'auto',
+                marginRight: 'auto',
+              }}
+            />
+          ) : null}
+          <Card.Content>
+            {item.message !== undefined ? (
+              <Autolink<typeof Text>
+                text={item.message}
+                hashtag="facebook"
+                component={Text}
+                style={{height: textHeight}}
+              />
+            ) : null}
+          </Card.Content>
+          <Card.Actions style={{height: actionsHeight}}>
+            <Button onPress={onPress} icon="plus" style={{marginLeft: 'auto'}}>
+              {i18n.t('screens.home.dashboard.seeMore')}
+            </Button>
+          </Card.Actions>
+        </View>
+      </TouchableRipple>
+    </Card>
+  );
+}
+
+export default React.memo(FeedItem, () => true);

src/components/Home/PreviewEventDashboardItem.js

@@ -1,113 +0,0 @@
-/*
- * Copyright (c) 2019 - 2020 Arnaud Vergnet.
- *
- * This file is part of Campus INSAT.
- *
- * Campus INSAT is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Campus INSAT is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-// @flow
-
-import * as React from 'react';
-import {StyleSheet, View} from 'react-native';
-import i18n from 'i18n-js';
-import {Avatar, Button, Card, TouchableRipple} from 'react-native-paper';
-import {getTimeOnlyString, isDescriptionEmpty} from '../../utils/Planning';
-import CustomHTML from '../Overrides/CustomHTML';
-import type {PlanningEventType} from '../../utils/Planning';
-
-type PropsType = {
-  event?: PlanningEventType | null,
-  clickAction: () => void,
-};
-
-const styles = StyleSheet.create({
-  card: {
-    marginBottom: 10,
-  },
-  content: {
-    maxHeight: 150,
-    overflow: 'hidden',
-  },
-  actions: {
-    marginLeft: 'auto',
-    marginTop: 'auto',
-    flexDirection: 'row',
-  },
-  avatar: {
-    backgroundColor: 'transparent',
-  },
-});
-
-/**
- * Component used to display an event preview if an event is available
- */
-// eslint-disable-next-line react/prefer-stateless-function
-class PreviewEventDashboardItem extends React.Component<PropsType> {
-  static defaultProps = {
-    event: null,
-  };
-
-  render(): React.Node {
-    const {props} = this;
-    const {event} = props;
-    const isEmpty =
-      event == null ? true : isDescriptionEmpty(event.description);
-
-    if (event != null) {
-      const hasImage = event.logo !== '' && event.logo != null;
-      const getImage = (): React.Node => (
-        <Avatar.Image
-          source={{uri: event.logo}}
-          size={50}
-          style={styles.avatar}
-        />
-      );
-      return (
-        <Card style={styles.card} elevation={3}>
-          <TouchableRipple style={{flex: 1}} onPress={props.clickAction}>
-            <View>
-              {hasImage ? (
-                <Card.Title
-                  title={event.title}
-                  subtitle={getTimeOnlyString(event.date_begin)}
-                  left={getImage}
-                />
-              ) : (
-                <Card.Title
-                  title={event.title}
-                  subtitle={getTimeOnlyString(event.date_begin)}
-                />
-              )}
-              {!isEmpty ? (
-                <Card.Content style={styles.content}>
-                  <CustomHTML html={event.description} />
-                </Card.Content>
-              ) : null}
-
-              <Card.Actions style={styles.actions}>
-                <Button icon="chevron-right">
-                  {i18n.t('screens.home.dashboard.seeMore')}
-                </Button>
-              </Card.Actions>
-            </View>
-          </TouchableRipple>
-        </Card>
-      );
-    }
-    return null;
-  }
-}
-
-export default PreviewEventDashboardItem;

src/components/Home/PreviewEventDashboardItem.tsx

@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2019 - 2020 Arnaud Vergnet.
+ *
+ * This file is part of Campus INSAT.
+ *
+ * Campus INSAT is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Campus INSAT is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import * as React from 'react';
+import {StyleSheet, View} from 'react-native';
+import i18n from 'i18n-js';
+import {Avatar, Button, Card, TouchableRipple} from 'react-native-paper';
+import {getTimeOnlyString, isDescriptionEmpty} from '../../utils/Planning';
+import CustomHTML from '../Overrides/CustomHTML';
+import type {PlanningEventType} from '../../utils/Planning';
+
+type PropsType = {
+  event?: PlanningEventType | null;
+  clickAction: () => void;
+};
+
+const styles = StyleSheet.create({
+  card: {
+    marginBottom: 10,
+  },
+  content: {
+    maxHeight: 150,
+    overflow: 'hidden',
+  },
+  actions: {
+    marginLeft: 'auto',
+    marginTop: 'auto',
+    flexDirection: 'row',
+  },
+  avatar: {
+    backgroundColor: 'transparent',
+  },
+});
+
+/**
+ * Component used to display an event preview if an event is available
+ */
+function PreviewEventDashboardItem(props: PropsType) {
+  const {event} = props;
+  const isEmpty = event == null ? true : isDescriptionEmpty(event.description);
+
+  if (event != null) {
+    const logo = event.logo;
+    const getImage = logo
+      ? () => (
+          <Avatar.Image source={{uri: logo}} size={50} style={styles.avatar} />
+        )
+      : () => null;
+    return (
+      <Card style={styles.card} elevation={3}>
+        <TouchableRipple style={{flex: 1}} onPress={props.clickAction}>
+          <View>
+            <Card.Title
+              title={event.title}
+              subtitle={getTimeOnlyString(event.date_begin)}
+              left={getImage}
+            />
+            {!isEmpty ? (
+              <Card.Content style={styles.content}>
+                <CustomHTML html={event.description} />
+              </Card.Content>
+            ) : null}
+
+            <Card.Actions style={styles.actions}>
+              <Button icon="chevron-right">
+                {i18n.t('screens.home.dashboard.seeMore')}
+              </Button>
+            </Card.Actions>
+          </View>
+        </TouchableRipple>
+      </Card>
+    );
+  }
+  return null;
+}
+
+export default PreviewEventDashboardItem;

src/components/Home/SmallDashboardItem.js

@@ -1,106 +0,0 @@
-/*
- * Copyright (c) 2019 - 2020 Arnaud Vergnet.
- *
- * This file is part of Campus INSAT.
- *
- * Campus INSAT is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Campus INSAT is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-// @flow
-
-import * as React from 'react';
-import {Badge, TouchableRipple, withTheme} from 'react-native-paper';
-import {Dimensions, Image, View} from 'react-native';
-import * as Animatable from 'react-native-animatable';
-import type {CustomThemeType} from '../../managers/ThemeManager';
-
-type PropsType = {
-  image: string | null,
-  onPress: () => void | null,
-  badgeCount: number | null,
-  theme: CustomThemeType,
-};
-
-/**
- * Component used to render a small dashboard item
- */
-class SmallDashboardItem extends React.Component<PropsType> {
-  itemSize: number;
-
-  constructor(props: PropsType) {
-    super(props);
-    this.itemSize = Dimensions.get('window').width / 8;
-  }
-
-  shouldComponentUpdate(nextProps: PropsType): boolean {
-    const {props} = this;
-    return (
-      nextProps.theme.dark !== props.theme.dark ||
-      nextProps.badgeCount !== props.badgeCount
-    );
-  }
-
-  render(): React.Node {
-    const {props} = this;
-    return (
-      <TouchableRipple
-        onPress={props.onPress}
-        borderless
-        style={{
-          marginLeft: this.itemSize / 6,
-          marginRight: this.itemSize / 6,
-        }}>
-        <View
-          style={{
-            width: this.itemSize,
-            height: this.itemSize,
-          }}>
-          <Image
-            source={{uri: props.image}}
-            style={{
-              width: '80%',
-              height: '80%',
-              marginLeft: 'auto',
-              marginRight: 'auto',
-              marginTop: 'auto',
-              marginBottom: 'auto',
-            }}
-          />
-          {props.badgeCount != null && props.badgeCount > 0 ? (
-            <Animatable.View
-              animation="zoomIn"
-              duration={300}
-              useNativeDriver
-              style={{
-                position: 'absolute',
-                top: 0,
-                right: 0,
-              }}>
-              <Badge
-                style={{
-                  backgroundColor: props.theme.colors.primary,
-                  borderColor: props.theme.colors.background,
-                  borderWidth: 2,
-                }}>
-                {props.badgeCount}
-              </Badge>
-            </Animatable.View>
-          ) : null}
-        </View>
-      </TouchableRipple>
-    );
-  }
-}
-
-export default withTheme(SmallDashboardItem);

src/components/Home/SmallDashboardItem.tsx

@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2019 - 2020 Arnaud Vergnet.
+ *
+ * This file is part of Campus INSAT.
+ *
+ * Campus INSAT is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Campus INSAT is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import * as React from 'react';
+import {Badge, TouchableRipple, useTheme} from 'react-native-paper';
+import {Dimensions, Image, View} from 'react-native';
+import * as Animatable from 'react-native-animatable';
+
+type PropsType = {
+  image: string | null;
+  onPress: () => void | null;
+  badgeCount: number | null;
+};
+
+/**
+ * Component used to render a small dashboard item
+ */
+function SmallDashboardItem(props: PropsType) {
+  const itemSize = Dimensions.get('window').width / 8;
+  const theme = useTheme();
+  const {image} = props;
+  return (
+    <TouchableRipple
+      onPress={props.onPress}
+      borderless
+      style={{
+        marginLeft: itemSize / 6,
+        marginRight: itemSize / 6,
+      }}>
+      <View
+        style={{
+          width: itemSize,
+          height: itemSize,
+        }}>
+        {image ? (
+          <Image
+            source={{uri: image}}
+            style={{
+              width: '80%',
+              height: '80%',
+              marginLeft: 'auto',
+              marginRight: 'auto',
+              marginTop: 'auto',
+              marginBottom: 'auto',
+            }}
+          />
+        ) : null}
+        {props.badgeCount != null && props.badgeCount > 0 ? (
+          <Animatable.View
+            animation="zoomIn"
+            duration={300}
+            useNativeDriver
+            style={{
+              position: 'absolute',
+              top: 0,
+              right: 0,
+            }}>
+            <Badge
+              visible={true}
+              style={{
+                backgroundColor: theme.colors.primary,
+                borderColor: theme.colors.background,
+                borderWidth: 2,
+              }}>
+              {props.badgeCount}
+            </Badge>
+          </Animatable.View>
+        ) : null}
+      </View>
+    </TouchableRipple>
+  );
+}
+
+const areEqual = (prevProps: PropsType, nextProps: PropsType): boolean => {
+  return nextProps.badgeCount !== prevProps.badgeCount;
+};
+
+export default React.memo(SmallDashboardItem, areEqual);

src/components/Overrides/CustomHeaderButton.tsx

@@ -39,7 +39,9 @@ const MaterialHeaderButton = (props: HeaderButtonProps) => {
   );
 };
 
-const MaterialHeaderButtons = (props: HeaderButtonsProps) => {
+const MaterialHeaderButtons = (
+  props: HeaderButtonsProps & {children?: React.ReactNode},
+) => {
   return (
     <HeaderButtons {...props} HeaderButtonComponent={MaterialHeaderButton} />
   );

src/components/Screens/WebSectionList.tsx

@@ -17,12 +17,15 @@
  * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-// @flow
-
 import * as React from 'react';
 import i18n from 'i18n-js';
 import {Snackbar} from 'react-native-paper';
-import {RefreshControl, View} from 'react-native';
+import {
+  NativeSyntheticEvent,
+  RefreshControl,
+  SectionListData,
+  View,
+} from 'react-native';
 import * as Animatable from 'react-native-animatable';
 import {Collapsible} from 'react-navigation-collapsible';
 import {StackNavigationProp} from '@react-navigation/stack';
@@ -32,42 +35,43 @@ import withCollapsible from '../../utils/withCollapsible';
 import CustomTabBar from '../Tabbar/CustomTabBar';
 import {ERROR_TYPE, readData} from '../../utils/WebData';
 import CollapsibleSectionList from '../Collapsible/CollapsibleSectionList';
-import type {ApiGenericDataType} from '../../utils/WebData';
 
-export type SectionListDataType<T> = Array<{
-  title: string,
-  data: Array<T>,
-  keyExtractor?: (T) => string,
+export type SectionListDataType<ItemT> = Array<{
+  title: string;
+  data: Array<ItemT>;
+  keyExtractor?: (data: ItemT) => string;
 }>;
 
-type PropsType<T> = {
-  navigation: StackNavigationProp,
-  fetchUrl: string,
-  autoRefreshTime: number,
-  refreshOnFocus: boolean,
-  renderItem: (data: {item: T}) => React.Node,
+type PropsType<ItemT, RawData> = {
+  navigation: StackNavigationProp<any>;
+  fetchUrl: string;
+  autoRefreshTime: number;
+  refreshOnFocus: boolean;
+  renderItem: (data: {item: ItemT}) => React.ReactNode;
   createDataset: (
-    data: ApiGenericDataType | null,
+    data: RawData | null,
     isLoading?: boolean,
-  ) => SectionListDataType<T>,
-  onScroll: (event: SyntheticEvent<EventTarget>) => void,
-  collapsibleStack: Collapsible,
+  ) => SectionListDataType<ItemT>;
+  onScroll: (event: NativeSyntheticEvent<EventTarget>) => void;
+  collapsibleStack: Collapsible;
 
-  showError?: boolean,
-  itemHeight?: number | null,
-  updateData?: number,
-  renderListHeaderComponent?: (data: ApiGenericDataType | null) => React.Node,
+  showError?: boolean;
+  itemHeight?: number | null;
+  updateData?: number;
+  renderListHeaderComponent?: (
+    data: RawData | null,
+  ) => React.ComponentType<any> | React.ReactElement | null;
   renderSectionHeader?: (
-    data: {section: {title: string}},
+    data: {section: SectionListData<ItemT>},
     isLoading?: boolean,
-  ) => React.Node,
-  stickyHeader?: boolean,
+  ) => React.ReactElement | null;
+  stickyHeader?: boolean;
 };
 
-type StateType = {
-  refreshing: boolean,
-  fetchedData: ApiGenericDataType | null,
-  snackbarVisible: boolean,
+type StateType<RawData> = {
+  refreshing: boolean;
+  fetchedData: RawData | null;
+  snackbarVisible: boolean;
 };
 
 const MIN_REFRESH_TIME = 5 * 1000;
@@ -78,22 +82,25 @@ const MIN_REFRESH_TIME = 5 * 1000;
  * This is a pure component, meaning it will only update if a shallow comparison of state and props is different.
  * To force the component to update, change the value of updateData.
  */
-class WebSectionList<T> extends React.PureComponent<PropsType<T>, StateType> {
+class WebSectionList<ItemT, RawData> extends React.PureComponent<
+  PropsType<ItemT, RawData>,
+  StateType<RawData>
+> {
   static defaultProps = {
     showError: true,
     itemHeight: null,
     updateData: 0,
-    renderListHeaderComponent: (): React.Node => null,
-    renderSectionHeader: (): React.Node => null,
+    renderListHeaderComponent: () => null,
+    renderSectionHeader: () => null,
     stickyHeader: false,
   };
 
-  refreshInterval: IntervalID;
+  refreshInterval: NodeJS.Timeout | undefined;
 
-  lastRefresh: Date | null;
+  lastRefresh: Date | undefined;
 
-  constructor() {
-    super();
+  constructor(props: PropsType<ItemT, RawData>) {
+    super(props);
     this.state = {
       refreshing: false,
       fetchedData: null,
@@ -109,7 +116,7 @@ class WebSectionList<T> extends React.PureComponent<PropsType<T>, StateType> {
     const {navigation} = this.props;
     navigation.addListener('focus', this.onScreenFocus);
     navigation.addListener('blur', this.onScreenBlur);
-    this.lastRefresh = null;
+    this.lastRefresh = undefined;
     this.onRefresh();
   }
 
@@ -121,15 +128,18 @@ class WebSectionList<T> extends React.PureComponent<PropsType<T>, StateType> {
     if (props.refreshOnFocus && this.lastRefresh) {
       setTimeout(this.onRefresh, 200);
     }
-    if (props.autoRefreshTime > 0)
+    if (props.autoRefreshTime > 0) {
       this.refreshInterval = setInterval(this.onRefresh, props.autoRefreshTime);
+    }
   };
 
   /**
    * Removes any interval on un-focus
    */
   onScreenBlur = () => {
-    clearInterval(this.refreshInterval);
+    if (this.refreshInterval) {
+      clearInterval(this.refreshInterval);
+    }
   };
 
   /**
@@ -138,7 +148,7 @@ class WebSectionList<T> extends React.PureComponent<PropsType<T>, StateType> {
    *
    * @param fetchedData The newly fetched data
    */
-  onFetchSuccess = (fetchedData: ApiGenericDataType) => {
+  onFetchSuccess = (fetchedData: RawData) => {
     this.setState({
       fetchedData,
       refreshing: false,
@@ -167,7 +177,9 @@ class WebSectionList<T> extends React.PureComponent<PropsType<T>, StateType> {
     if (this.lastRefresh != null) {
       const last = this.lastRefresh;
       canRefresh = new Date().getTime() - last.getTime() > MIN_REFRESH_TIME;
-    } else canRefresh = true;
+    } else {
+      canRefresh = true;
+    }
     if (canRefresh) {
       this.setState({refreshing: true});
       readData(fetchUrl).then(this.onFetchSuccess).catch(this.onFetchError);
@@ -189,19 +201,18 @@ class WebSectionList<T> extends React.PureComponent<PropsType<T>, StateType> {
   };
 
   getItemLayout = (
-    data: T,
+    height: number,
+    data: Array<SectionListData<ItemT>> | null,
     index: number,
-  ): {length: number, offset: number, index: number} | null => {
-    const {itemHeight} = this.props;
-    if (itemHeight == null) return null;
+  ): {length: number; offset: number; index: number} => {
     return {
-      length: itemHeight,
-      offset: itemHeight * index,
+      length: height,
+      offset: height * index,
       index,
     };
   };
 
-  getRenderSectionHeader = (data: {section: {title: string}}): React.Node => {
+  getRenderSectionHeader = (data: {section: SectionListData<ItemT>}) => {
     const {renderSectionHeader} = this.props;
     const {refreshing} = this.state;
     if (renderSectionHeader != null) {
@@ -214,7 +225,7 @@ class WebSectionList<T> extends React.PureComponent<PropsType<T>, StateType> {
     return null;
   };
 
-  getRenderItem = (data: {item: T}): React.Node => {
+  getRenderItem = (data: {item: ItemT}) => {
     const {renderItem} = this.props;
     return (
       <Animatable.View animation="fadeInUp" duration={500} useNativeDriver>
@@ -223,19 +234,23 @@ class WebSectionList<T> extends React.PureComponent<PropsType<T>, StateType> {
     );
   };
 
-  onScroll = (event: SyntheticEvent<EventTarget>) => {
+  onScroll = (event: NativeSyntheticEvent<EventTarget>) => {
     const {onScroll} = this.props;
-    if (onScroll != null) onScroll(event);
+    if (onScroll != null) {
+      onScroll(event);
+    }
   };
 
-  render(): React.Node {
+  render() {
     const {props, state} = this;
-    let dataset = [];
+    const {itemHeight} = props;
+    let dataset: SectionListDataType<ItemT> = [];
     if (
       state.fetchedData != null ||
       (state.fetchedData == null && !props.showError)
-    )
+    ) {
       dataset = props.createDataset(state.fetchedData, state.refreshing);
+    }
 
     const {containerPaddingTop} = props.collapsibleStack;
     return (
@@ -270,7 +285,11 @@ class WebSectionList<T> extends React.PureComponent<PropsType<T>, StateType> {
               />
             )
           }
-          getItemLayout={props.itemHeight != null ? this.getItemLayout : null}
+          getItemLayout={
+            itemHeight
+              ? (data, index) => this.getItemLayout(itemHeight, data, index)
+              : undefined
+          }
           onScroll={this.onScroll}
           hasTab
         />

src/components/Screens/WebViewScreen.tsx

@@ -17,8 +17,6 @@
  * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-// @flow
-
 import * as React from 'react';
 import WebView from 'react-native-webview';
 import {
@@ -27,12 +25,17 @@ import {
   OverflowMenu,
 } from 'react-navigation-header-buttons';
 import i18n from 'i18n-js';
-import {Animated, BackHandler, Linking} from 'react-native';
+import {
+  Animated,
+  BackHandler,
+  Linking,
+  NativeScrollEvent,
+  NativeSyntheticEvent,
+} from 'react-native';
 import MaterialCommunityIcons from 'react-native-vector-icons/MaterialCommunityIcons';
 import {withTheme} from 'react-native-paper';
 import {StackNavigationProp} from '@react-navigation/stack';
 import {Collapsible} from 'react-navigation-collapsible';
-import type {CustomThemeType} from '../../managers/ThemeManager';
 import withCollapsible from '../../utils/withCollapsible';
 import MaterialHeaderButtons, {Item} from '../Overrides/CustomHeaderButton';
 import {ERROR_TYPE} from '../../utils/WebData';
@@ -40,15 +43,15 @@ import ErrorView from './ErrorView';
 import BasicLoadingScreen from './BasicLoadingScreen';
 
 type PropsType = {
-  navigation: StackNavigationProp,
-  theme: CustomThemeType,
-  url: string,
-  collapsibleStack: Collapsible,
-  onMessage: (event: {nativeEvent: {data: string}}) => void,
-  onScroll: (event: SyntheticEvent<EventTarget>) => void,
-  customJS?: string,
-  customPaddingFunction?: null | ((padding: number) => string),
-  showAdvancedControls?: boolean,
+  navigation: StackNavigationProp<any>;
+  theme: ReactNativePaper.Theme;
+  url: string;
+  collapsibleStack: Collapsible;
+  onMessage: (event: {nativeEvent: {data: string}}) => void;
+  onScroll: (event: NativeSyntheticEvent<NativeScrollEvent>) => void;
+  customJS?: string;
+  customPaddingFunction?: null | ((padding: number) => string);
+  showAdvancedControls?: boolean;
 };
 
 const AnimatedWebView = Animated.createAnimatedComponent(WebView);
@@ -67,8 +70,8 @@ class WebViewScreen extends React.PureComponent<PropsType> {
 
   canGoBack: boolean;
 
-  constructor() {
-    super();
+  constructor(props: PropsType) {
+    super(props);
     this.webviewRef = React.createRef();
     this.canGoBack = false;
   }
@@ -115,7 +118,7 @@ class WebViewScreen extends React.PureComponent<PropsType> {
    *
    * @return {*}
    */
-  getBasicButton = (): React.Node => {
+  getBasicButton = () => {
     return (
       <MaterialHeaderButtons>
         <Item
@@ -138,7 +141,7 @@ class WebViewScreen extends React.PureComponent<PropsType> {
    *
    * @returns {*}
    */
-  getAdvancedButtons = (): React.Node => {
+  getAdvancedButtons = () => {
     const {props} = this;
     return (
       <MaterialHeaderButtons>
@@ -179,7 +182,7 @@ class WebViewScreen extends React.PureComponent<PropsType> {
    *
    * @return {*}
    */
-  getRenderLoading = (): React.Node => <BasicLoadingScreen isAbsolute />;
+  getRenderLoading = () => <BasicLoadingScreen isAbsolute />;
 
   /**
    * Gets the javascript needed to generate a padding on top of the page
@@ -201,15 +204,21 @@ class WebViewScreen extends React.PureComponent<PropsType> {
    * Callback to use when refresh button is clicked. Reloads the webview.
    */
   onRefreshClicked = () => {
-    if (this.webviewRef.current != null) this.webviewRef.current.reload();
+    if (this.webviewRef.current != null) {
+      this.webviewRef.current.reload();
+    }
   };
 
   onGoBackClicked = () => {
-    if (this.webviewRef.current != null) this.webviewRef.current.goBack();
+    if (this.webviewRef.current != null) {
+      this.webviewRef.current.goBack();
+    }
   };
 
   onGoForwardClicked = () => {
-    if (this.webviewRef.current != null) this.webviewRef.current.goForward();
+    if (this.webviewRef.current != null) {
+      this.webviewRef.current.goForward();
+    }
   };
 
   onOpenClicked = () => {
@@ -217,9 +226,11 @@ class WebViewScreen extends React.PureComponent<PropsType> {
     Linking.openURL(url);
   };
 
-  onScroll = (event: SyntheticEvent<EventTarget>) => {
+  onScroll = (event: NativeSyntheticEvent<NativeScrollEvent>) => {
     const {onScroll} = this.props;
-    if (onScroll) onScroll(event);
+    if (onScroll) {
+      onScroll(event);
+    }
   };
 
   /**
@@ -228,11 +239,12 @@ class WebViewScreen extends React.PureComponent<PropsType> {
    * @param script The script to inject
    */
   injectJavaScript = (script: string) => {
-    if (this.webviewRef.current != null)
+    if (this.webviewRef.current != null) {
       this.webviewRef.current.injectJavaScript(script);
+    }
   };
 
-  render(): React.Node {
+  render() {
     const {props} = this;
     const {containerPaddingTop, onScrollWithListener} = props.collapsibleStack;
     return (
@@ -243,7 +255,7 @@ class WebViewScreen extends React.PureComponent<PropsType> {
         injectedJavaScript={props.customJS}
         javaScriptEnabled
         renderLoading={this.getRenderLoading}
-        renderError={(): React.Node => (
+        renderError={() => (
           <ErrorView
             errorCode={ERROR_TYPE.CONNECTION_ERROR}
             onRefresh={this.onRefreshClicked}
@@ -257,7 +269,7 @@ class WebViewScreen extends React.PureComponent<PropsType> {
           this.injectJavaScript(this.getJavascriptPadding(containerPaddingTop));
         }}
         // Animations
-        onScroll={onScrollWithListener(this.onScroll)}
+        onScroll={(event) => onScrollWithListener(this.onScroll)(event)}
       />
     );
   }

src/constants/NewsSourcesConstants.ts

@@ -27,6 +27,8 @@ export type NewsSourceType = {
   name: string;
 };
 
+export type AvailablePages = 'amicale.deseleves' | 'campus.insat';
+
 export default {
   'amicale.deseleves': {
     icon: ICON_AMICALE,