Revert "Add tests and fix broken test"

This reverts commit d79f340d57.

react-day-picker/index.d.ts

@@ -75,7 +75,7 @@ declare namespace ReactDayPicker {
         toMonth?: Date;
         localeUtils?: LocaleUtils;
         locale?: string;
-        captionElement?: React.ReactElement<CaptionElementProps> | null;
+        captionElement?: React.ReactElement<CaptionElementProps>;
         onDayClick?: (e: React.SyntheticEvent<{}>, day: Date, modifiers: DayModifiers) => any;
         onDayTouchTap?: (e: React.SyntheticEvent<{}>, day: Date, modifiers: DayModifiers) => any;
         onDayMouseEnter?: (e: React.SyntheticEvent<{}>, day: Date, modifiers: DayModifiers) => any;

react-dom/index.d.ts

@@ -28,7 +28,7 @@ declare namespace ReactDOM {
         container: Element | null,
         callback?: (component: T) => any): T;
     function render<P>(
-        element: ReactElement<P> | null,
+        element: ReactElement<P>,
         container: Element | null,
         callback?: (component?: Component<P, ComponentState> | Element) => any): Component<P, ComponentState> | Element | void;
 
@@ -57,7 +57,7 @@ declare namespace ReactDOM {
         callback?: () => any): void;
     function unstable_renderSubtreeIntoContainer<P>(
         parentComponent: Component<any, any>,
-        element: ReactElement<P> | null,
+        element: ReactElement<P>,
         container: Element,
         callback?: (component?: Component<P, ComponentState> | Element) => any): Component<P, ComponentState> | Element | void;
 }

react-input-mask/index.d.ts

@@ -13,7 +13,7 @@ declare namespace reactInputMask {
          * * `9`: `0-9`
          * * `a`: `A-Z, a-z`
          * * `\*`: `A-Z, a-z, 0-9`
-         *
+         * 
          * Any character can be escaped with backslash, which usually will appear as double backslash in JS strings. For example, German phone mask with unremoveable prefix +49 will look like `mask="+4\\9 99 999 99"` or `mask={"+4\\\\9 99 999 99"}`
          */
         mask: string;

react-native-scrollable-tab-view/index.d.ts

@@ -37,9 +37,9 @@ export interface renderTabBarProperties {
 interface ScrollableTabViewProperties extends React.Props<ScrollableTabView> {
 
   /**
-   * tabBarPosition (String) Defaults to "top".
+   * tabBarPosition (String) Defaults to "top". 
    * "bottom" to position the tab bar below content.
-   * "overlayTop" or "overlayBottom" for a semitransparent tab bar that overlays content. Custom
+   * "overlayTop" or "overlayBottom" for a semitransparent tab bar that overlays content. Custom 
    * tab bars must consume a style prop on their outer element to support this feature: style={this.props.style}.
    */
   tabBarPosition?: 'top' | 'bottom' | 'overlayTop' | 'overlayBottom';
@@ -50,27 +50,27 @@ interface ScrollableTabViewProperties extends React.Props<ScrollableTabView> {
   initialPage?: number;
 
   /**
-   * (Integer) - set selected tab(can be buggy see
+   * (Integer) - set selected tab(can be buggy see 
    * https://github.com/skv-headless/react-native-scrollable-tab-view/issues/126
    */
   page?: number;
 
   /**
-   * onChangeTab (Function) - function to call when tab changes, should accept 1 argument which is
-   * an Object containing two keys: i: the index of the tab that is selected, ref: the ref of the
+   * onChangeTab (Function) - function to call when tab changes, should accept 1 argument which is 
+   * an Object containing two keys: i: the index of the tab that is selected, ref: the ref of the 
    * tab that is selected
    */
   onChangeTab?: (value: onChangeTabProperties) => void;
 
   /**
-   * onScroll (Function) - function to call when the pages are sliding,
+   * onScroll (Function) - function to call when the pages are sliding, 
    * should accept 1 argument which is an Float number representing the page position in the slide frame.
    */
   onScroll?: (value: number) => void;
 
   /**
    * renderTabBar (Function:ReactComponent) - accept 1 argument props and should return a component
-   * to use as the tab bar. The component has goToPage, tabs, activeTab and ref added to the props,
+   * to use as the tab bar. The component has goToPage, tabs, activeTab and ref added to the props, 
    * and should implement setAnimationValue to be able to animate itself along with the tab content.
    * You can manually pass the props to the TabBar component.
    */
@@ -82,7 +82,7 @@ interface ScrollableTabViewProperties extends React.Props<ScrollableTabView> {
   style?: ViewStyle;
 
   /**
-   * contentProps (Object) - props that are applied to root ScrollView/ViewPagerAndroid.
+   * contentProps (Object) - props that are applied to root ScrollView/ViewPagerAndroid. 
    * Note that overriding defaults set by the library may break functionality; see the source for details.
    */
   contentProps?: React.ScrollViewProperties;
@@ -98,7 +98,7 @@ interface ScrollableTabViewProperties extends React.Props<ScrollableTabView> {
   locked?: boolean;
 
   /**
-   * prerenderingSiblingsNumber (Integer) - pre-render nearby # sibling, Infinity === render all
+   * prerenderingSiblingsNumber (Integer) - pre-render nearby # sibling, Infinity === render all 
    * the siblings, default to 0 === render current page.
    */
   prerenderingSiblingsNumber?: number;

react-native-swiper/react-native-swiper-tests.tsx

@@ -18,7 +18,7 @@ class SwiperTest extends React.Component<IProperties, IState> {
     super(props);
   }
 
-  public render(): React.ReactElement<any> | null {
+  public render(): React.ReactElement<any> {
     return (
       <Swiper
         style={styles.wrapper}>

react/index.d.ts

@@ -171,7 +171,7 @@ declare namespace React {
         setState<K extends keyof S>(f: (prevState: S, props: P) => Pick<S, K>, callback?: () => any): void;
         setState<K extends keyof S>(state: Pick<S, K>, callback?: () => any): void;
         forceUpdate(callBack?: () => any): void;
-        render(): JSX.Element;
+        render(): JSX.Element | null;
 
         // React.Props<T> is now deprecated, which means that the `children`
         // property is not available on `P` by default, even though you can
@@ -2630,7 +2630,7 @@ declare global {
     namespace JSX {
         interface Element extends React.ReactElement<any> { }
         interface ElementClass extends React.Component<any, any> {
-            render(): JSX.Element;
+            render(): JSX.Element | null;
         }
         interface ElementAttributesProperty { props: {}; }
 

react/test/tsx.tsx

@@ -32,6 +32,3 @@ StatelessComponent2.defaultProps = {
         </text>
     </g>
 </svg>;
-
-const CustomComponent = (props: { flag: boolean }) => props.flag ? React.createElement('div') : null;
-const UseComponent2 = (f: boolean) => <CustomComponent flag={f} />;