rewrite global search in ts (#680)

18 files changed, 556 insertions, 390 deletions

diff --git a/server/sonar-web/src/main/js/app/components/RecentHistory.js b/server/sonar-web/src/main/js/app/components/RecentHistory.ts
index 0967b38c07a..4d10570d82f 100644
--- a/server/sonar-web/src/main/js/app/components/RecentHistory.js
+++ b/server/sonar-web/src/main/js/app/components/RecentHistory.ts
@@ -17,50 +17,47 @@
  * along with this program; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
-// @flow
 import { get, remove, save } from '../../helpers/storage';
 
 const RECENT_HISTORY = 'sonar_recent_history';
 const HISTORY_LIMIT = 10;
 
-/*::
-type History = Array<{
-  key: string,
-  name: string,
-  icon: string,
-  organization?: string
+export type History = Array<{
+  key: string;
+  name: string;
+  icon: string;
+  organization?: string;
 }>;
-*/
 
 export default class RecentHistory {
-  static get() /*: History */ {
+  static get(): History {
     const history = get(RECENT_HISTORY);
     if (history == null) {
       return [];
     } else {
       try {
         return JSON.parse(history);
-      } catch (e) {
+      } catch {
         remove(RECENT_HISTORY);
         return [];
       }
     }
   }
 
-  static set(newHistory /*: History */) /*: void */ {
+  static set(newHistory: History) {
     save(RECENT_HISTORY, JSON.stringify(newHistory));
   }
 
-  static clear() /*: void */ {
+  static clear() {
     remove(RECENT_HISTORY);
   }
 
   static add(
-    componentKey /*: string */,
-    componentName /*: string */,
-    icon /*: string */,
-    organization /*: string | void */
-  ) /*: void */ {
+    componentKey: string,
+    componentName: string,
+    icon: string,
+    organization: string | undefined
+  ) {
     const sonarHistory = RecentHistory.get();
     const newEntry = { key: componentKey, name: componentName, icon, organization };
     let newHistory = sonarHistory.filter(entry => entry.key !== newEntry.key);
@@ -69,7 +66,7 @@ export default class RecentHistory {
     RecentHistory.set(newHistory);
   }
 
-  static remove(componentKey /*: string */) /*: void */ {
+  static remove(componentKey: string) {
     const history = RecentHistory.get();
     const newHistory = history.filter(entry => entry.key !== componentKey);
     RecentHistory.set(newHistory);
diff --git a/server/sonar-web/src/main/js/app/components/__tests__/RecentHistory-test.tsx b/server/sonar-web/src/main/js/app/components/__tests__/RecentHistory-test.tsx
new file mode 100644
index 00000000000..8898e899200
--- /dev/null
+++ b/server/sonar-web/src/main/js/app/components/__tests__/RecentHistory-test.tsx
@@ -0,0 +1,103 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2018 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+import RecentHistory, { History } from '../RecentHistory';
+import { get, remove, save } from '../../../helpers/storage';
+
+jest.mock('../../../helpers/storage', () => ({
+  get: jest.fn(),
+  remove: jest.fn(),
+  save: jest.fn()
+}));
+
+beforeEach(() => {
+  (get as jest.Mock).mockClear();
+  (remove as jest.Mock).mockClear();
+  (save as jest.Mock).mockClear();
+});
+
+it('should get existing history', () => {
+  const history = [{ key: 'foo', name: 'Foo', icon: 'TRK' }];
+  (get as jest.Mock).mockReturnValueOnce(JSON.stringify(history));
+  expect(RecentHistory.get()).toEqual(history);
+  expect(get).toBeCalledWith('sonar_recent_history');
+});
+
+it('should get empty history', () => {
+  (get as jest.Mock).mockReturnValueOnce(null);
+  expect(RecentHistory.get()).toEqual([]);
+  expect(get).toBeCalledWith('sonar_recent_history');
+});
+
+it('should return [] and clear history in case of failure', () => {
+  (get as jest.Mock).mockReturnValueOnce('not a json');
+  expect(RecentHistory.get()).toEqual([]);
+  expect(get).toBeCalledWith('sonar_recent_history');
+  expect(remove).toBeCalledWith('sonar_recent_history');
+});
+
+it('should save history', () => {
+  const history = [{ key: 'foo', name: 'Foo', icon: 'TRK' }];
+  RecentHistory.set(history);
+  expect(save).toBeCalledWith('sonar_recent_history', JSON.stringify(history));
+});
+
+it('should clear history', () => {
+  RecentHistory.clear();
+  expect(remove).toBeCalledWith('sonar_recent_history');
+});
+
+it('should add item to history', () => {
+  const history = [{ key: 'foo', name: 'Foo', icon: 'TRK' }];
+  (get as jest.Mock).mockReturnValueOnce(JSON.stringify(history));
+  RecentHistory.add('bar', 'Bar', 'VW', 'org');
+  expect(save).toBeCalledWith(
+    'sonar_recent_history',
+    JSON.stringify([{ key: 'bar', name: 'Bar', icon: 'VW', organization: 'org' }, ...history])
+  );
+});
+
+it('should keep 10 items maximum', () => {
+  const history: History = [];
+  for (let i = 0; i < 10; i++) {
+    history.push({ key: `key-${i}`, name: `name-${i}`, icon: 'TRK' });
+  }
+  (get as jest.Mock).mockReturnValueOnce(JSON.stringify(history));
+  RecentHistory.add('bar', 'Bar', 'VW', 'org');
+  expect(save).toBeCalledWith(
+    'sonar_recent_history',
+    JSON.stringify([
+      { key: 'bar', name: 'Bar', icon: 'VW', organization: 'org' },
+      ...history.slice(0, 9)
+    ])
+  );
+});
+
+it('should remove component from history', () => {
+  const history: History = [];
+  for (let i = 0; i < 10; i++) {
+    history.push({ key: `key-${i}`, name: `name-${i}`, icon: 'TRK' });
+  }
+  (get as jest.Mock).mockReturnValueOnce(JSON.stringify(history));
+  RecentHistory.remove('key-5');
+  expect(save).toBeCalledWith(
+    'sonar_recent_history',
+    JSON.stringify([...history.slice(0, 5), ...history.slice(6)])
+  );
+});
diff --git a/server/sonar-web/src/main/js/app/components/nav/global/__tests__/__snapshots__/GlobalNav-test.tsx.snap b/server/sonar-web/src/main/js/app/components/nav/global/__tests__/__snapshots__/GlobalNav-test.tsx.snap
index 1ffdab8f252..6598367a9cc 100644
--- a/server/sonar-web/src/main/js/app/components/nav/global/__tests__/__snapshots__/GlobalNav-test.tsx.snap
+++ b/server/sonar-web/src/main/js/app/components/nav/global/__tests__/__snapshots__/GlobalNav-test.tsx.snap
@@ -47,7 +47,7 @@ exports[`should render for SonarCloud 1`] = `
       suggestions={Array []}
       tooltip={false}
     />
-    <Search
+    <withRouter(Search)
       appState={
         Object {
           "canAdmin": false,
@@ -127,7 +127,7 @@ exports[`should render for SonarQube 1`] = `
       suggestions={Array []}
       tooltip={true}
     />
-    <Search
+    <withRouter(Search)
       appState={
         Object {
           "canAdmin": false,
diff --git a/server/sonar-web/src/main/js/app/components/search/Search.d.ts b/server/sonar-web/src/main/js/app/components/search/Search.d.ts
deleted file mode 100644
index 58ceb74bdc0..00000000000
--- a/server/sonar-web/src/main/js/app/components/search/Search.d.ts
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * SonarQube
- * Copyright (C) 2009-2018 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-import * as React from 'react';
-import { CurrentUser, AppState } from '../../types';
-
-export interface Props {
-  appState: Pick<AppState, 'organizationsEnabled'>;
-  currentUser: CurrentUser;
-}
-
-export default class Search extends React.PureComponent<Props> {}
diff --git a/server/sonar-web/src/main/js/app/components/search/Search.js b/server/sonar-web/src/main/js/app/components/search/Search.tsx
index b65be42af15..9d91d8b3acd 100644
--- a/server/sonar-web/src/main/js/app/components/search/Search.js
+++ b/server/sonar-web/src/main/js/app/components/search/Search.tsx
@@ -17,14 +17,12 @@
  * along with this program; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
-// @flow
-import React from 'react';
-import PropTypes from 'prop-types';
-import key from 'keymaster';
+import * as React from 'react';
+import * as key from 'keymaster';
 import { debounce, keyBy, uniqBy } from 'lodash';
 import { FormattedMessage } from 'react-intl';
-import { sortQualifiers } from './utils';
-/*:: import type { Component, More, Results } from './utils'; */
+import { withRouter, WithRouterProps } from 'react-router';
+import { sortQualifiers, More, Results, ComponentResult } from './utils';
 import RecentHistory from '../RecentHistory';
 import DeferredSpinner from '../../../components/common/DeferredSpinner';
 import { DropdownOverlay } from '../../../components/controls/Dropdown';
@@ -36,60 +34,50 @@ import { getSuggestions } from '../../../api/components';
 import { translate, translateWithParameters } from '../../../helpers/l10n';
 import { scrollToElement } from '../../../helpers/scrolling';
 import { getProjectUrl } from '../../../helpers/urls';
+import { AppState, CurrentUser } from '../../types';
 import './Search.css';
 
 const SearchResults = lazyLoad(() => import('./SearchResults'));
 const SearchResult = lazyLoad(() => import('./SearchResult'));
 
-/*::
-type Props = {|
-  appState: { organizationsEnabled: boolean },
-  currentUser: { isLoggedIn: boolean }
-|};
-*/
-
-/*::
-type State = {
-  loading: boolean,
-  loadingMore: ?string,
-  more: More,
-  open: boolean,
-  organizations: { [string]: { name: string } },
-  projects: { [string]: { name: string } },
-  query: string,
-  results: Results,
-  selected: ?string,
-  shortQuery: boolean
-};
-*/
-
-export default class Search extends React.PureComponent {
-  /*:: input: HTMLInputElement | null; */
-  /*:: mounted: boolean; */
-  /*:: node: HTMLElement; */
-  /*:: nodes: { [string]: HTMLElement };
-*/
-  /*:: props: Props; */
-  /*:: state: State; */
-
-  static contextTypes = {
-    router: PropTypes.object
-  };
+interface OwnProps {
+  appState: Pick<AppState, 'organizationsEnabled'>;
+  currentUser: CurrentUser;
+}
+
+type Props = OwnProps & WithRouterProps;
+
+interface State {
+  loading: boolean;
+  loadingMore?: string;
+  more: More;
+  open: boolean;
+  organizations: { [key: string]: { name: string } };
+  projects: { [key: string]: { name: string } };
+  query: string;
+  results: Results;
+  selected?: string;
+  shortQuery: boolean;
+}
 
-  constructor(props /*: Props */) {
+export class Search extends React.PureComponent<Props, State> {
+  input?: HTMLInputElement | null;
+  node?: HTMLElement | null;
+  nodes: { [x: string]: HTMLElement };
+  mounted = false;
+
+  constructor(props: Props) {
     super(props);
     this.nodes = {};
     this.search = debounce(this.search, 250);
     this.state = {
       loading: false,
-      loadingMore: null,
       more: {},
       open: false,
       organizations: {},
       projects: {},
       query: '',
       results: {},
-      selected: null,
       shortQuery: false
     };
   }
@@ -97,9 +85,7 @@ export default class Search extends React.PureComponent {
   componentDidMount() {
     this.mounted = true;
     key('s', () => {
-      if (this.input) {
-        this.input.focus();
-      }
+      this.focusInput();
       this.openSearch();
       return false;
     });
@@ -109,7 +95,7 @@ export default class Search extends React.PureComponent {
     this.nodes = {};
   }
 
-  componentDidUpdate(prevProps /*: Props */, prevState /*: State */) {
+  componentDidUpdate(_prevProps: Props, prevState: State) {
     if (prevState.selected !== this.state.selected) {
       this.scrollToSelected();
     }
@@ -120,6 +106,12 @@ export default class Search extends React.PureComponent {
     key.unbind('s');
   }
 
+  focusInput = () => {
+    if (this.input) {
+      this.input.focus();
+    }
+  };
+
   handleClickOutside = () => {
     this.closeSearch(false);
   };
@@ -142,29 +134,27 @@ export default class Search extends React.PureComponent {
     this.setState({ open: true });
   };
 
-  closeSearch = (clear /*: boolean */ = true) => {
+  closeSearch = (clear = true) => {
     if (this.input) {
       this.input.blur();
     }
-    this.setState(
-      clear
-        ? {
-            more: {},
-            open: false,
-            organizations: {},
-            projects: {},
-            query: '',
-            results: {},
-            selected: null,
-            shortQuery: false
-          }
-        : {
-            open: false
-          }
-    );
+    if (clear) {
+      this.setState({
+        more: {},
+        open: false,
+        organizations: {},
+        projects: {},
+        query: '',
+        results: {},
+        selected: undefined,
+        shortQuery: false
+      });
+    } else {
+      this.setState({ open: false });
+    }
   };
 
-  getPlainComponentsList = (results /*: Results */, more /*: More */) =>
+  getPlainComponentsList = (results: Results, more: More) =>
     sortQualifiers(Object.keys(results)).reduce((components, qualifier) => {
       const next = [...components, ...results[qualifier].map(component => component.key)];
       if (more[qualifier]) {
@@ -173,7 +163,7 @@ export default class Search extends React.PureComponent {
       return next;
     }, []);
 
-  mergeWithRecentlyBrowsed = (components /*: Array<Component> */) => {
+  mergeWithRecentlyBrowsed = (components: ComponentResult[]) => {
     const recentlyBrowsed = RecentHistory.get().map(component => ({
       ...component,
       isRecentlyBrowsed: true,
@@ -188,7 +178,7 @@ export default class Search extends React.PureComponent {
     }
   };
 
-  search = (query /*: string */) => {
+  search = (query: string) => {
     if (query.length === 0 || query.length >= 2) {
       this.setState({ loading: true });
       const recentlyBrowsed = RecentHistory.get().map(component => component.key);
@@ -196,8 +186,8 @@ export default class Search extends React.PureComponent {
         // compare `this.state.query` and `query` to handle two request done almost at the same time
         // in this case only the request that matches the current query should be taken
         if (this.mounted && this.state.query === query) {
-          const results = {};
-          const more = {};
+          const results: Results = {};
+          const more: More = {};
           response.results.forEach(group => {
             results[group.q] = group.items.map(item => ({ ...item, qualifier: group.q }));
             more[group.q] = group.more;
@@ -209,7 +199,7 @@ export default class Search extends React.PureComponent {
             organizations: { ...state.organizations, ...keyBy(response.organizations, 'key') },
             projects: { ...state.projects, ...keyBy(response.projects, 'key') },
             results,
-            selected: list.length > 0 ? list[0] : null,
+            selected: list.length > 0 ? list[0] : undefined,
             shortQuery: query.length > 2 && response.warning === 'short_input'
           }));
         }
@@ -219,55 +209,60 @@ export default class Search extends React.PureComponent {
     }
   };
 
-  searchMore = (qualifier /*: string */) => {
-    if (this.state.query.length !== 1) {
-      this.setState({ loading: true, loadingMore: qualifier });
-      const recentlyBrowsed = RecentHistory.get().map(component => component.key);
-      getSuggestions(this.state.query, recentlyBrowsed, qualifier).then(response => {
-        if (this.mounted) {
-          const group = response.results.find(group => group.q === qualifier);
-          const moreResults = (group ? group.items : []).map(item => ({ ...item, qualifier }));
-          this.setState(state => ({
-            loading: false,
-            loadingMore: null,
-            more: { ...state.more, [qualifier]: 0 },
-            organizations: { ...state.organizations, ...keyBy(response.organizations, 'key') },
-            projects: { ...state.projects, ...keyBy(response.projects, 'key') },
-            results: {
-              ...state.results,
-              [qualifier]: uniqBy([...state.results[qualifier], ...moreResults], 'key')
-            },
-            selected: moreResults.length > 0 ? moreResults[0].key : state.selected
-          }));
-          if (this.input) {
-            this.input.focus();
-          }
-        }
-      }, this.stopLoading);
+  searchMore = (qualifier: string) => {
+    const { query } = this.state;
+    if (query.length === 1) {
+      return;
     }
+
+    this.setState({ loading: true, loadingMore: qualifier });
+    const recentlyBrowsed = RecentHistory.get().map(component => component.key);
+    getSuggestions(query, recentlyBrowsed, qualifier).then(response => {
+      if (this.mounted) {
+        const group = response.results.find(group => group.q === qualifier);
+        const moreResults = (group ? group.items : []).map(item => ({ ...item, qualifier }));
+        this.setState(state => ({
+          loading: false,
+          loadingMore: undefined,
+          more: { ...state.more, [qualifier]: 0 },
+          organizations: { ...state.organizations, ...keyBy(response.organizations, 'key') },
+          projects: { ...state.projects, ...keyBy(response.projects, 'key') },
+          results: {
+            ...state.results,
+            [qualifier]: uniqBy([...state.results[qualifier], ...moreResults], 'key')
+          },
+          selected: moreResults.length > 0 ? moreResults[0].key : state.selected
+        }));
+        this.focusInput();
+      }
+    }, this.stopLoading);
   };
 
-  handleQueryChange = (query /*: string */) => {
+  handleQueryChange = (query: string) => {
     this.setState({ query, shortQuery: query.length === 1 });
     this.search(query);
   };
 
   selectPrevious = () => {
-    this.setState(({ more, results, selected } /*: State */) => {
+    this.setState(({ more, results, selected }) => {
       if (selected) {
         const list = this.getPlainComponentsList(results, more);
         const index = list.indexOf(selected);
-        return index > 0 ? { selected: list[index - 1] } : undefined;
+        return index > 0 ? { selected: list[index - 1] } : null;
+      } else {
+        return null;
       }
     });
   };
 
   selectNext = () => {
-    this.setState(({ more, results, selected } /*: State */) => {
+    this.setState(({ more, results, selected }) => {
       if (selected) {
         const list = this.getPlainComponentsList(results, more);
         const index = list.indexOf(selected);
-        return index >= 0 && index < list.length - 1 ? { selected: list[index + 1] } : undefined;
+        return index >= 0 && index < list.length - 1 ? { selected: list[index + 1] } : null;
+      } else {
+        return null;
       }
     });
   };
@@ -278,7 +273,7 @@ export default class Search extends React.PureComponent {
       if (selected.startsWith('qualifier###')) {
         this.searchMore(selected.substr(12));
       } else {
-        this.context.router.push(getProjectUrl(selected));
+        this.props.router.push(getProjectUrl(selected));
         this.closeSearch();
       }
     }
@@ -287,13 +282,13 @@ export default class Search extends React.PureComponent {
   scrollToSelected = () => {
     if (this.state.selected) {
       const node = this.nodes[this.state.selected];
-      if (node) {
+      if (node && this.node) {
         scrollToElement(node, { topOffset: 30, bottomOffset: 30, parent: this.node });
       }
     }
   };
 
-  handleKeyDown = (event /*: KeyboardEvent */) => {
+  handleKeyDown = (event: React.KeyboardEvent) => {
     switch (event.keyCode) {
       case 13:
         event.preventDefault();
@@ -312,19 +307,21 @@ export default class Search extends React.PureComponent {
     }
   };
 
-  handleSelect = (selected /*: string */) => {
+  handleSelect = (selected: string) => {
     this.setState({ selected });
   };
 
-  innerRef = (component /*: string */, node /*: HTMLElement */) => {
-    this.nodes[component] = node;
+  innerRef = (component: string, node: HTMLElement | null) => {
+    if (node) {
+      this.nodes[component] = node;
+    }
   };
 
-  searchInputRef = (node /*: HTMLInputElement | null */) => {
+  searchInputRef = (node: HTMLInputElement | null) => {
     this.input = node;
   };
 
-  renderResult = (component /*: Component */) => (
+  renderResult = (component: ComponentResult) => (
     <SearchResult
       appState={this.props.appState}
       component={component}
@@ -407,3 +404,5 @@ export default class Search extends React.PureComponent {
     );
   }
 }
+
+export default withRouter<OwnProps>(Search);
diff --git a/server/sonar-web/src/main/js/app/components/search/SearchResult.js b/server/sonar-web/src/main/js/app/components/search/SearchResult.tsx
index c8426ea96a9..7dd26bd190d 100644
--- a/server/sonar-web/src/main/js/app/components/search/SearchResult.js
+++ b/server/sonar-web/src/main/js/app/components/search/SearchResult.tsx
@@ -17,41 +17,36 @@
  * along with this program; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
-// @flow
-import React from 'react';
+import * as React from 'react';
 import { Link } from 'react-router';
-/*:: import type { Component } from './utils'; */
+import { ComponentResult } from './utils';
 import FavoriteIcon from '../../../components/icons-components/FavoriteIcon';
 import QualifierIcon from '../../../components/icons-components/QualifierIcon';
 import ClockIcon from '../../../components/icons-components/ClockIcon';
 import Tooltip from '../../../components/controls/Tooltip';
 import { getProjectUrl } from '../../../helpers/urls';
+import { AppState } from '../../types';
+
+interface Props {
+  appState: Pick<AppState, 'organizationsEnabled'>;
+  component: ComponentResult;
+  innerRef: (componentKey: string, node: HTMLElement | null) => void;
+  onClose: () => void;
+  onSelect: (componentKey: string) => void;
+  organizations: { [key: string]: { name: string } };
+  projects: { [key: string]: { name: string } };
+  selected: boolean;
+}
 
-/*::
-type Props = {|
-  appState: { organizationsEnabled: boolean },
-  component: Component,
-  innerRef: (string, HTMLElement) => void,
-  onClose: () => void,
-  onSelect: string => void,
-  organizations: { [string]: { name: string } },
-  projects: { [string]: { name: string } },
-  selected: boolean
-|};
-*/
-
-/*::
-type State = {
-  tooltipVisible: boolean
-};
-*/
+interface State {
+  tooltipVisible: boolean;
+}
 
 const TOOLTIP_DELAY = 1000;
 
-export default class SearchResult extends React.PureComponent {
-  /*:: interval: ?number; */
-  /*:: props: Props; */
-  state /*: State */ = { tooltipVisible: false };
+export default class SearchResult extends React.PureComponent<Props, State> {
+  interval?: number;
+  state: State = { tooltipVisible: false };
 
   componentDidMount() {
     if (this.props.selected) {
@@ -59,7 +54,7 @@ export default class SearchResult extends React.PureComponent {
     }
   }
 
-  componentWillReceiveProps(nextProps /*: Props */) {
+  componentWillReceiveProps(nextProps: Props) {
     if (!this.props.selected && nextProps.selected) {
       this.scheduleTooltip();
     } else if (this.props.selected && !nextProps.selected) {
@@ -73,12 +68,14 @@ export default class SearchResult extends React.PureComponent {
   }
 
   scheduleTooltip = () => {
-    this.interval = setTimeout(() => this.setState({ tooltipVisible: true }), TOOLTIP_DELAY);
+    this.interval = window.setTimeout(() => {
+      this.setState({ tooltipVisible: true });
+    }, TOOLTIP_DELAY);
   };
 
   unscheduleTooltip = () => {
     if (this.interval) {
-      clearInterval(this.interval);
+      window.clearInterval(this.interval);
     }
   };
 
@@ -86,15 +83,12 @@ export default class SearchResult extends React.PureComponent {
     this.props.onSelect(this.props.component.key);
   };
 
-  renderOrganization = (component /*: Component */) => {
+  renderOrganization = (component: ComponentResult) => {
     if (!this.props.appState.organizationsEnabled) {
       return null;
     }
 
-    if (
-      !['VW', 'SVW', 'APP', 'TRK'].includes(component.qualifier) ||
-      component.organization == null
-    ) {
+    if (!['VW', 'SVW', 'APP', 'TRK'].includes(component.qualifier) || !component.organization) {
       return null;
     }
 
@@ -104,7 +98,7 @@ export default class SearchResult extends React.PureComponent {
     ) : null;
   };
 
-  renderProject = (component /*: Component */) => {
+  renderProject = (component: ComponentResult) => {
     if (!['BRC', 'FIL', 'UTS'].includes(component.qualifier) || component.project == null) {
       return null;
     }
diff --git a/server/sonar-web/src/main/js/app/components/search/SearchResults.js b/server/sonar-web/src/main/js/app/components/search/SearchResults.js
deleted file mode 100644
index 2d8e3b7532f..00000000000
--- a/server/sonar-web/src/main/js/app/components/search/SearchResults.js
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * SonarQube
- * Copyright (C) 2009-2018 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-// @flow
-import React from 'react';
-import SearchShowMore from './SearchShowMore';
-import { sortQualifiers } from './utils';
-/*:: import type { Component, More, Results } from './utils'; */
-import { translate } from '../../../helpers/l10n';
-
-/*::
-type Props = {|
-  allowMore: boolean,
-  loadingMore: ?string,
-  more: More,
-  onMoreClick: string => void,
-  onSelect: string => void,
-  renderNoResults: () => React.Element<*>,
-  renderResult: Component => React.Element<*>,
-  results: Results,
-  selected: ?string
-|};
-*/
-
-export default class SearchResults extends React.PureComponent {
-  /*:: props: Props; */
-
-  render() {
-    const qualifiers = Object.keys(this.props.results);
-    const renderedComponents = [];
-
-    sortQualifiers(qualifiers).forEach(qualifier => {
-      const components = this.props.results[qualifier];
-
-      if (components.length > 0 && renderedComponents.length > 0) {
-        renderedComponents.push(<li className="divider" key={`divider-${qualifier}`} />);
-      }
-
-      if (components.length > 0) {
-        renderedComponents.push(
-          <li className="menu-header" key={`header-${qualifier}`}>
-            {translate('qualifiers', qualifier)}
-          </li>
-        );
-      }
-
-      components.forEach(component => renderedComponents.push(this.props.renderResult(component)));
-
-      const more = this.props.more[qualifier];
-      if (more != null && more > 0) {
-        renderedComponents.push(
-          <SearchShowMore
-            allowMore={this.props.allowMore}
-            key={`more-${qualifier}`}
-            loadingMore={this.props.loadingMore}
-            onMoreClick={this.props.onMoreClick}
-            onSelect={this.props.onSelect}
-            qualifier={qualifier}
-            selected={this.props.selected === `qualifier###${qualifier}`}
-          />
-        );
-      }
-    });
-
-    return renderedComponents.length > 0 ? (
-      <ul className="menu">{renderedComponents}</ul>
-    ) : (
-      this.props.renderNoResults()
-    );
-  }
-}
diff --git a/server/sonar-web/src/main/js/app/components/search/SearchResults.tsx b/server/sonar-web/src/main/js/app/components/search/SearchResults.tsx
new file mode 100644
index 00000000000..0c02e8fd58a
--- /dev/null
+++ b/server/sonar-web/src/main/js/app/components/search/SearchResults.tsx
@@ -0,0 +1,79 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2018 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+import * as React from 'react';
+import SearchShowMore from './SearchShowMore';
+import { sortQualifiers, More, ComponentResult, Results } from './utils';
+import { translate } from '../../../helpers/l10n';
+
+export interface Props {
+  allowMore: boolean;
+  loadingMore?: string;
+  more: More;
+  onMoreClick: (qualifier: string) => void;
+  onSelect: (componentKey: string) => void;
+  renderNoResults: () => React.ReactElement<any>;
+  renderResult: (component: ComponentResult) => React.ReactNode;
+  results: Results;
+  selected?: string;
+}
+
+export default function SearchResults(props: Props): React.ReactElement<Props> {
+  const qualifiers = Object.keys(props.results);
+  const renderedComponents: React.ReactNode[] = [];
+
+  sortQualifiers(qualifiers).forEach(qualifier => {
+    const components = props.results[qualifier];
+
+    if (components.length > 0 && renderedComponents.length > 0) {
+      renderedComponents.push(<li className="divider" key={`divider-${qualifier}`} />);
+    }
+
+    if (components.length > 0) {
+      renderedComponents.push(
+        <li className="menu-header" key={`header-${qualifier}`}>
+          {translate('qualifiers', qualifier)}
+        </li>
+      );
+    }
+
+    components.forEach(component => renderedComponents.push(props.renderResult(component)));
+
+    const more = props.more[qualifier];
+    if (more !== undefined && more > 0) {
+      renderedComponents.push(
+        <SearchShowMore
+          allowMore={props.allowMore}
+          key={`more-${qualifier}`}
+          loadingMore={props.loadingMore}
+          onMoreClick={props.onMoreClick}
+          onSelect={props.onSelect}
+          qualifier={qualifier}
+          selected={props.selected === `qualifier###${qualifier}`}
+        />
+      );
+    }
+  });
+
+  return renderedComponents.length > 0 ? (
+    <ul className="menu">{renderedComponents}</ul>
+  ) : (
+    props.renderNoResults()
+  );
+}
diff --git a/server/sonar-web/src/main/js/app/components/search/SearchShowMore.js b/server/sonar-web/src/main/js/app/components/search/SearchShowMore.tsx
index a05ea9b4e98..7b1d9eb479b 100644
--- a/server/sonar-web/src/main/js/app/components/search/SearchShowMore.js
+++ b/server/sonar-web/src/main/js/app/components/search/SearchShowMore.tsx
@@ -17,37 +17,36 @@
  * along with this program; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
-// @flow
-import React from 'react';
-import classNames from 'classnames';
+import * as React from 'react';
+import * as classNames from 'classnames';
 import DeferredSpinner from '../../../components/common/DeferredSpinner';
 import { translate, translateWithParameters } from '../../../helpers/l10n';
 
-/*::
-type Props = {|
-  allowMore: boolean,
-  loadingMore: ?string,
-  onMoreClick: string => void,
-  onSelect: string => void,
-  qualifier: string,
-  selected: boolean
-|};
-*/
-
-export default class SearchShowMore extends React.PureComponent {
-  /*:: props: Props; */
+interface Props {
+  allowMore: boolean;
+  loadingMore?: string;
+  onMoreClick: (qualifier: string) => void;
+  onSelect: (qualifier: string) => void;
+  qualifier: string;
+  selected: boolean;
+}
 
-  handleMoreClick = (event /*: MouseEvent & { currentTarget: HTMLElement } */) => {
+export default class SearchShowMore extends React.PureComponent<Props> {
+  handleMoreClick = (event: React.MouseEvent<HTMLAnchorElement>) => {
     event.preventDefault();
     event.stopPropagation();
     event.currentTarget.blur();
     const { qualifier } = event.currentTarget.dataset;
-    this.props.onMoreClick(qualifier);
+    if (qualifier) {
+      this.props.onMoreClick(qualifier);
+    }
   };
 
-  handleMoreMouseEnter = (event /*: { currentTarget: HTMLElement } */) => {
+  handleMoreMouseEnter = (event: React.MouseEvent<HTMLAnchorElement>) => {
     const { qualifier } = event.currentTarget.dataset;
-    this.props.onSelect(`qualifier###${qualifier}`);
+    if (qualifier) {
+      this.props.onSelect(`qualifier###${qualifier}`);
+    }
   };
 
   render() {
diff --git a/server/sonar-web/src/main/js/app/components/search/__tests__/Search-test.js b/server/sonar-web/src/main/js/app/components/search/__tests__/Search-test.tsx
index 01168e7a49b..a3e6645a611 100644
--- a/server/sonar-web/src/main/js/app/components/search/__tests__/Search-test.js
+++ b/server/sonar-web/src/main/js/app/components/search/__tests__/Search-test.tsx
@@ -17,43 +17,13 @@
  * along with this program; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
-import React from 'react';
-import { shallow, mount } from 'enzyme';
-/*:: import type { ShallowWrapper } from 'enzyme'; */
-import Search from '../Search';
-import { elementKeydown, clickOutside } from '../../../../helpers/testUtils';
-
-function render(props /*: ?Object */) {
-  return shallow(
-    <Search
-      appState={{ organizationsEnabled: false }}
-      currentUser={{ isLoggedIn: false }}
-      {...props}
-    />
-  );
-}
-
-function component(key /*: string */, qualifier /*: string */ = 'TRK') {
-  return { key, name: key, qualifier };
-}
-
-function next(form /*: ShallowWrapper */, expected /*: string */) {
-  elementKeydown(form.find('SearchBox'), 40);
-  expect(form.state().selected).toBe(expected);
-}
-
-function prev(form /*: ShallowWrapper */, expected /*: string */) {
-  elementKeydown(form.find('SearchBox'), 38);
-  expect(form.state().selected).toBe(expected);
-}
-
-function select(form /*: ShallowWrapper */, expected /*: string */) {
-  form.instance().handleSelect(expected);
-  expect(form.state().selected).toBe(expected);
-}
+import * as React from 'react';
+import { shallow, ShallowWrapper } from 'enzyme';
+import { Search } from '../Search';
+import { elementKeydown } from '../../../../helpers/testUtils';
 
 it('selects results', () => {
-  const form = render();
+  const form = shallowRender();
   form.setState({
     more: { TRK: 15, BRC: 0 },
     open: true,
@@ -75,22 +45,52 @@ it('selects results', () => {
 });
 
 it('opens selected on enter', () => {
-  const form = render();
+  const form = shallowRender();
   form.setState({
     open: true,
     results: { TRK: [component('foo')] },
     selected: 'foo'
   });
   const openSelected = jest.fn();
-  form.instance().openSelected = openSelected;
+  (form.instance() as Search).openSelected = openSelected;
   elementKeydown(form.find('SearchBox'), 13);
   expect(openSelected).toBeCalled();
 });
 
 it('shows warning about short input', () => {
-  const form = render();
+  const form = shallowRender();
   form.setState({ shortQuery: true });
   expect(form.find('.navbar-search-input-hint')).toMatchSnapshot();
   form.setState({ query: 'foobar x' });
   expect(form.find('.navbar-search-input-hint')).toMatchSnapshot();
 });
+
+function shallowRender(props: Partial<Search['props']> = {}) {
+  return shallow(
+    // @ts-ignore
+    <Search
+      appState={{ organizationsEnabled: false }}
+      currentUser={{ isLoggedIn: false }}
+      {...props}
+    />
+  );
+}
+
+function component(key: string, qualifier = 'TRK') {
+  return { key, name: key, qualifier };
+}
+
+function next(form: ShallowWrapper<Search['props'], Search['state']>, expected: string) {
+  elementKeydown(form.find('SearchBox'), 40);
+  expect(form.state().selected).toBe(expected);
+}
+
+function prev(form: ShallowWrapper<Search['props'], Search['state']>, expected: string) {
+  elementKeydown(form.find('SearchBox'), 38);
+  expect(form.state().selected).toBe(expected);
+}
+
+function select(form: ShallowWrapper<Search['props'], Search['state']>, expected: string) {
+  (form.instance() as Search).handleSelect(expected);
+  expect(form.state().selected).toBe(expected);
+}
diff --git a/server/sonar-web/src/main/js/app/components/search/__tests__/SearchResult-test.js b/server/sonar-web/src/main/js/app/components/search/__tests__/SearchResult-test.tsx
index 91ca09f72aa..83cfe819c49 100644
--- a/server/sonar-web/src/main/js/app/components/search/__tests__/SearchResult-test.js
+++ b/server/sonar-web/src/main/js/app/components/search/__tests__/SearchResult-test.tsx
@@ -17,32 +17,14 @@
  * along with this program; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
-// @flow
-import React from 'react';
+import * as React from 'react';
 import { shallow } from 'enzyme';
 import SearchResult from '../SearchResult';
 
-function render(props /*: ?Object */) {
-  return shallow(
-    // $FlowFixMe
-    <SearchResult
-      appState={{ organizationsEnabled: false }}
-      component={{ key: 'foo', name: 'foo', qualifier: 'TRK', organization: 'bar' }}
-      innerRef={jest.fn()}
-      onClose={jest.fn()}
-      onSelect={jest.fn()}
-      organizations={{ bar: { name: 'bar' } }}
-      projects={{ foo: { name: 'foo' } }}
-      selected={false}
-      {...props}
-    />
-  );
-}
-
 jest.useFakeTimers();
 
 it('renders selected', () => {
-  const wrapper = render();
+  const wrapper = shallowRender();
   expect(wrapper).toMatchSnapshot();
   wrapper.setProps({ selected: true });
   expect(wrapper).toMatchSnapshot();
@@ -56,7 +38,7 @@ it('renders match', () => {
     qualifier: 'TRK',
     organization: 'bar'
   };
-  const wrapper = render({ component });
+  const wrapper = shallowRender({ component });
   expect(wrapper).toMatchSnapshot();
 });
 
@@ -68,7 +50,7 @@ it('renders favorite', () => {
     qualifier: 'TRK',
     organization: 'bar'
   };
-  const wrapper = render({ component });
+  const wrapper = shallowRender({ component });
   expect(wrapper).toMatchSnapshot();
 });
 
@@ -80,7 +62,7 @@ it('renders recently browsed', () => {
     qualifier: 'TRK',
     organization: 'bar'
   };
-  const wrapper = render({ component });
+  const wrapper = shallowRender({ component });
   expect(wrapper).toMatchSnapshot();
 });
 
@@ -92,7 +74,7 @@ it('renders projects', () => {
     qualifier: 'BRC',
     project: 'foo'
   };
-  const wrapper = render({ component });
+  const wrapper = shallowRender({ component });
   expect(wrapper).toMatchSnapshot();
 });
 
@@ -104,14 +86,14 @@ it('renders organizations', () => {
     qualifier: 'TRK',
     organization: 'bar'
   };
-  const wrapper = render({ appState: { organizationsEnabled: true }, component });
+  const wrapper = shallowRender({ appState: { organizationsEnabled: true }, component });
   expect(wrapper).toMatchSnapshot();
   wrapper.setProps({ appState: { organizationsEnabled: false } });
   expect(wrapper).toMatchSnapshot();
 });
 
 it('shows tooltip after delay', () => {
-  const wrapper = render();
+  const wrapper = shallowRender();
   expect(wrapper.find('Tooltip').prop('visible')).toBe(false);
 
   wrapper.setProps({ selected: true });
@@ -124,3 +106,19 @@ it('shows tooltip after delay', () => {
   wrapper.setProps({ selected: false });
   expect(wrapper.find('Tooltip').prop('visible')).toBe(false);
 });
+
+function shallowRender(props: Partial<SearchResult['props']> = {}) {
+  return shallow(
+    <SearchResult
+      appState={{ organizationsEnabled: false }}
+      component={{ key: 'foo', name: 'foo', qualifier: 'TRK', organization: 'bar' }}
+      innerRef={jest.fn()}
+      onClose={jest.fn()}
+      onSelect={jest.fn()}
+      organizations={{ bar: { name: 'bar' } }}
+      projects={{ foo: { name: 'foo' } }}
+      selected={false}
+      {...props}
+    />
+  );
+}
diff --git a/server/sonar-web/src/main/js/app/components/search/__tests__/SearchResults-test.js b/server/sonar-web/src/main/js/app/components/search/__tests__/SearchResults-test.tsx
index 114bf2a67b6..f04fd8b5a58 100644
--- a/server/sonar-web/src/main/js/app/components/search/__tests__/SearchResults-test.js
+++ b/server/sonar-web/src/main/js/app/components/search/__tests__/SearchResults-test.tsx
@@ -17,17 +17,15 @@
  * along with this program; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
-// @flow
-import React from 'react';
+import * as React from 'react';
 import { shallow } from 'enzyme';
-import SearchResults from '../SearchResults';
+import SearchResults, { Props } from '../SearchResults';
 
 it('renders different components and dividers between them', () => {
   expect(
     shallow(
       <SearchResults
         allowMore={true}
-        loadingMore={null}
         more={{}}
         onMoreClick={jest.fn()}
         onSelect={jest.fn()}
@@ -38,7 +36,6 @@ it('renders different components and dividers between them', () => {
           BRC: [component('qwe', 'BRC'), component('qux', 'BRC')],
           FIL: [component('zux', 'FIL')]
         }}
-        selected={null}
       />
     )
   ).toMatchSnapshot();
@@ -49,7 +46,6 @@ it('renders "Show More" link', () => {
     shallow(
       <SearchResults
         allowMore={true}
-        loadingMore={null}
         more={{ TRK: 175, BRC: 0 }}
         onMoreClick={jest.fn()}
         onSelect={jest.fn()}
@@ -59,12 +55,31 @@ it('renders "Show More" link', () => {
           TRK: [component('foo'), component('bar')],
           BRC: [component('qwe', 'BRC'), component('qux', 'BRC')]
         }}
-        selected={null}
       />
     )
   ).toMatchSnapshot();
 });
 
-function component(key /*: string */, qualifier /*: string */ = 'TRK') {
+it('should render no results', () => {
+  // eslint-disable-next-line react/display-name
+  expect(shallowRender({ renderNoResults: () => <div id="no-results" /> })).toMatchSnapshot();
+});
+
+function component(key: string, qualifier = 'TRK') {
   return { key, name: key, qualifier };
 }
+
+function shallowRender(props: Partial<Props> = {}) {
+  return shallow(
+    <SearchResults
+      allowMore={true}
+      more={{}}
+      onMoreClick={jest.fn()}
+      onSelect={jest.fn()}
+      renderNoResults={() => <div />}
+      renderResult={() => <div />}
+      results={{}}
+      {...props}
+    />
+  );
+}
diff --git a/server/sonar-web/src/main/js/app/components/search/__tests__/SearchShowMore-test.tsx b/server/sonar-web/src/main/js/app/components/search/__tests__/SearchShowMore-test.tsx
new file mode 100644
index 00000000000..20c94d36f64
--- /dev/null
+++ b/server/sonar-web/src/main/js/app/components/search/__tests__/SearchShowMore-test.tsx
@@ -0,0 +1,61 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2018 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+import * as React from 'react';
+import { shallow } from 'enzyme';
+import SearchShowMore from '../SearchShowMore';
+import { click } from '../../../../helpers/testUtils';
+
+it('should render', () => {
+  expect(shallowRender()).toMatchSnapshot();
+});
+
+it('should trigger showing more', () => {
+  const onMoreClick = jest.fn();
+  const wrapper = shallowRender({ onMoreClick });
+  click(wrapper.find('a'), {
+    currentTarget: {
+      blur() {},
+      dataset: { qualifier: 'TRK' },
+      preventDefault() {},
+      stopPropagation() {}
+    }
+  });
+  expect(onMoreClick).toBeCalledWith('TRK');
+});
+
+it('should select on mouse over', () => {
+  const onSelect = jest.fn();
+  const wrapper = shallowRender({ onSelect });
+  wrapper.find('a').simulate('mouseenter', { currentTarget: { dataset: { qualifier: 'TRK' } } });
+  expect(onSelect).toBeCalledWith('qualifier###TRK');
+});
+
+function shallowRender(props: Partial<SearchShowMore['props']> = {}) {
+  return shallow(
+    <SearchShowMore
+      allowMore={true}
+      onMoreClick={jest.fn()}
+      onSelect={jest.fn()}
+      qualifier="TRK"
+      selected={false}
+      {...props}
+    />
+  );
+}
diff --git a/server/sonar-web/src/main/js/app/components/search/__tests__/__snapshots__/Search-test.js.snap b/server/sonar-web/src/main/js/app/components/search/__tests__/__snapshots__/Search-test.tsx.snap
index 6541c673539..6541c673539 100644
--- a/server/sonar-web/src/main/js/app/components/search/__tests__/__snapshots__/Search-test.js.snap
+++ b/server/sonar-web/src/main/js/app/components/search/__tests__/__snapshots__/Search-test.tsx.snap
diff --git a/server/sonar-web/src/main/js/app/components/search/__tests__/__snapshots__/SearchResult-test.js.snap b/server/sonar-web/src/main/js/app/components/search/__tests__/__snapshots__/SearchResult-test.tsx.snap
index 0a9d6781bf0..0a9d6781bf0 100644
--- a/server/sonar-web/src/main/js/app/components/search/__tests__/__snapshots__/SearchResult-test.js.snap
+++ b/server/sonar-web/src/main/js/app/components/search/__tests__/__snapshots__/SearchResult-test.tsx.snap
diff --git a/server/sonar-web/src/main/js/app/components/search/__tests__/__snapshots__/SearchResults-test.js.snap b/server/sonar-web/src/main/js/app/components/search/__tests__/__snapshots__/SearchResults-test.tsx.snap
index f13cf142896..f49668c7822 100644
--- a/server/sonar-web/src/main/js/app/components/search/__tests__/__snapshots__/SearchResults-test.js.snap
+++ b/server/sonar-web/src/main/js/app/components/search/__tests__/__snapshots__/SearchResults-test.tsx.snap
@@ -23,7 +23,6 @@ exports[`renders "Show More" link 1`] = `
   <SearchShowMore
     allowMore={true}
     key="more-TRK"
-    loadingMore={null}
     onMoreClick={[MockFunction]}
     onSelect={[MockFunction]}
     qualifier="TRK"
@@ -109,3 +108,9 @@ exports[`renders different components and dividers between them 1`] = `
   </span>
 </ul>
 `;
+
+exports[`should render no results 1`] = `
+<div
+  id="no-results"
+/>
+`;
diff --git a/server/sonar-web/src/main/js/app/components/search/__tests__/__snapshots__/SearchShowMore-test.tsx.snap b/server/sonar-web/src/main/js/app/components/search/__tests__/__snapshots__/SearchShowMore-test.tsx.snap
new file mode 100644
index 00000000000..9a3d97e3982
--- /dev/null
+++ b/server/sonar-web/src/main/js/app/components/search/__tests__/__snapshots__/SearchShowMore-test.tsx.snap
@@ -0,0 +1,34 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`should render 1`] = `
+<li
+  className="menu-footer"
+  key="more-TRK"
+>
+  <DeferredSpinner
+    className="navbar-search-icon"
+    loading={false}
+    timeout={100}
+  >
+    <a
+      className=""
+      data-qualifier="TRK"
+      href="#"
+      onClick={[Function]}
+      onMouseEnter={[Function]}
+    >
+      <div
+        className="pull-right text-muted-2 menu-footer-note"
+        dangerouslySetInnerHTML={
+          Object {
+            "__html": "search.show_more.hint.<span class=\\"shortcut-button shortcut-button-small\\">Enter</span>",
+          }
+        }
+      />
+      <span>
+        show_more
+      </span>
+    </a>
+  </DeferredSpinner>
+</li>
+`;
diff --git a/server/sonar-web/src/main/js/app/components/search/utils.js b/server/sonar-web/src/main/js/app/components/search/utils.ts
index 24e22cdf647..1a4d8a92135 100644
--- a/server/sonar-web/src/main/js/app/components/search/utils.js
+++ b/server/sonar-web/src/main/js/app/components/search/utils.ts
@@ -17,32 +17,29 @@
  * along with this program; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
-// @flow
 import { sortBy } from 'lodash';
 
 const ORDER = ['DEV', 'VW', 'SVW', 'APP', 'TRK', 'BRC', 'FIL', 'UTS'];
 
-export function sortQualifiers(qualifiers /*: Array<string> */) {
+export function sortQualifiers(qualifiers: string[]) {
   return sortBy(qualifiers, qualifier => ORDER.indexOf(qualifier));
 }
 
-/*::
-export type Component = {
-  isFavorite?: boolean,
-  isRecentlyBrowsed?: boolean,
-  key: string,
-  match?: string,
-  name: string,
-  organization?: string,
-  project?: string,
-  qualifier: string
-};
-*/
+export interface ComponentResult {
+  isFavorite?: boolean;
+  isRecentlyBrowsed?: boolean;
+  key: string;
+  match?: string;
+  name: string;
+  organization?: string;
+  project?: string;
+  qualifier: string;
+}
 
-/*::
-export type Results = { [qualifier: string]: Array<Component> };
-*/
+export interface Results {
+  [qualifier: string]: ComponentResult[];
+}
 
-/*::
-export type More = { [string]: number };
-*/
+export interface More {
+  [qualifier: string]: number;
+}