Rename advanced editor to Ace and add Monaco

tests/spec/features/editor_types_spec.rb

@@ -7,7 +7,7 @@
   before { visit '/' }
 
   scenario "using the simple editor" do
-    in_config_menu { choose("simple") }
+    in_config_menu { select("simple") }
 
     fill_in('editor-simple', with: simple_editor_code)
 
@@ -25,4 +25,29 @@ def simple_editor_code
     }
     EOF
   end
+
+  scenario "using the Monaco editor" do
+    in_config_menu { select("monaco") }
+
+    editor = page.find('.monaco-editor')
+
+    # Click on the last line as that will replace the entire content
+    editor.find('.view-line:last-child').click
+    t = editor.find('textarea', visible: false)
+    t.set(monaco_editor_code, clear: :backspace)
+
+    click_on("Run")
+
+    within(:output, :stdout) do
+      expect(page).to have_content 'Monaco editor'
+    end
+  end
+
+  # Missing indentation and closing curly braces as those are auto-inserted
+  def monaco_editor_code
+    <<~EOF
+    fn main() {
+    println!("Using the Monaco editor");
+    EOF
+  end
 end

ui/frontend/ConfigMenu.tsx

@@ -21,18 +21,24 @@ interface ConfigMenuProps {
   close: () => void;
 }
 
+const MONACO_THEMES = [
+  'vs', 'vs-dark', 'vscode-dark-plus',
+];
+
 const ConfigMenu: React.SFC<ConfigMenuProps> = () => {
-  const keybinding = useSelector((state: State) => state.configuration.keybinding);
-  const theme = useSelector((state: State) => state.configuration.theme);
+  const keybinding = useSelector((state: State) => state.configuration.ace.keybinding);
+  const aceTheme = useSelector((state: State) => state.configuration.ace.theme);
+  const monacoTheme = useSelector((state: State) => state.configuration.monaco.theme);
   const orientation = useSelector((state: State) => state.configuration.orientation);
   const editorStyle = useSelector((state: State) => state.configuration.editor);
-  const pairCharacters = useSelector((state: State) => state.configuration.pairCharacters);
+  const pairCharacters = useSelector((state: State) => state.configuration.ace.pairCharacters);
   const assemblyFlavor = useSelector((state: State) => state.configuration.assemblyFlavor);
   const demangleAssembly = useSelector((state: State) => state.configuration.demangleAssembly);
   const processAssembly = useSelector((state: State) => state.configuration.processAssembly);
 
   const dispatch = useDispatch();
-  const changeTheme = useCallback((t) => dispatch(actions.changeTheme(t)), [dispatch]);
+  const changeAceTheme = useCallback((t) => dispatch(actions.changeAceTheme(t)), [dispatch]);
+  const changeMonacoTheme = useCallback((t) => dispatch(actions.changeMonacoTheme(t)), [dispatch]);
   const changeKeybinding = useCallback((k) => dispatch(actions.changeKeybinding(k)), [dispatch]);
   const changeOrientation = useCallback((o) => dispatch(actions.changeOrientation(o)), [dispatch]);
   const changeEditorStyle = useCallback((e) => dispatch(actions.changeEditor(e)), [dispatch]);
@@ -44,15 +50,15 @@ const ConfigMenu: React.SFC<ConfigMenuProps> = () => {
   return (
     <Fragment>
       <MenuGroup title="Editor">
-        <EitherConfig
-          id="editor-style"
-          name="Style"
-          a={Editor.Simple}
-          b={Editor.Advanced}
+        <SelectConfig
+          name="Editor"
           value={editorStyle}
-          onChange={changeEditorStyle} />
-
-        {editorStyle === Editor.Advanced && (
+          onChange={changeEditorStyle}
+        >
+          {[Editor.Simple, Editor.Ace, Editor.Monaco]
+            .map(k => <option key={k} value={k}>{k}</option>)}
+        </SelectConfig>
+        {editorStyle === Editor.Ace && (
           <Fragment>
             <SelectConfig
               name="Keybinding"
@@ -64,8 +70,8 @@ const ConfigMenu: React.SFC<ConfigMenuProps> = () => {
 
             <SelectConfig
               name="Theme"
-              value={theme}
-              onChange={changeTheme}
+              value={aceTheme}
+              onChange={changeAceTheme}
             >
               {ACE_THEMES.map(t => <option key={t} value={t}>{t}</option>)}
             </SelectConfig>
@@ -79,6 +85,17 @@ const ConfigMenu: React.SFC<ConfigMenuProps> = () => {
               onChange={changePairCharacters} />
           </Fragment>
         )}
+        {editorStyle === Editor.Monaco && (
+          <Fragment>
+            <SelectConfig
+              name="Theme"
+              value={monacoTheme}
+              onChange={changeMonacoTheme}
+            >
+              {MONACO_THEMES.map(t => <option key={t} value={t}>{t}</option>)}
+            </SelectConfig>
+          </Fragment>
+        )}
       </MenuGroup>
 
       <MenuGroup title="UI">

ui/frontend/Notifications.tsx

@@ -9,49 +9,29 @@ import * as selectors from './selectors';
 
 import styles from './Notifications.module.css';
 
-const EDITION_URL = 'https://doc.rust-lang.org/edition-guide/';
-const SURVEY_URL = 'https://blog.rust-lang.org/2021/12/08/survey-launch.html';
+const MONACO_EDITOR_URL = 'https://microsoft.github.io/monaco-editor/';
 
 const Notifications: React.SFC = () => {
   return (
     <Portal>
       <div className={styles.container}>
-        <Rust2021IsDefaultNotification />
-        <RustSurvey2021Notification />
+        <MonacoEditorAvailableNotification />
       </div>
     </Portal>
   );
 };
 
-const Rust2021IsDefaultNotification: React.SFC = () => {
-  const showRust2021IsDefault = useSelector(selectors.showRust2021IsDefaultSelector);
+const MonacoEditorAvailableNotification: React.SFC = () => {
+  const monicoEditorAvailable = useSelector(selectors.showMonicoEditorAvailableSelector);
 
   const dispatch = useDispatch();
-  const seenRust2021IsDefault = useCallback(() => dispatch(actions.seenRust2021IsDefault()), [dispatch]);
+  const seenMonicoEditorAvailable = useCallback(() => dispatch(actions.seenMonicoEditorAvailable()), [dispatch]);
 
-  return showRust2021IsDefault && (
-    <Notification onClose={seenRust2021IsDefault}>
-      As of Rust 1.56, the default edition of Rust is now Rust
-      2021. Learn more about editions in the <a href={EDITION_URL}>Edition Guide</a>.
-      To specify which edition to use, use the advanced compilation options menu.
-    </Notification>
-  );
-};
-
-
-const RustSurvey2021Notification: React.SFC = () => {
-  const showRustSurvey2021 = useSelector(selectors.showRustSurvey2021Selector);
-
-  const dispatch = useDispatch();
-  const seenRustSurvey2021 = useCallback(() => dispatch(actions.seenRustSurvey2021()), [dispatch]);
-
-  return showRustSurvey2021 && (
-    <Notification onClose={seenRustSurvey2021}>
-      Please help us take a look at who the Rust community is
-      composed of, how the Rust project is doing, and how we can
-      improve the Rust programming experience by completing the <a
-        href={SURVEY_URL}>2021 State of Rust Survey</a>. Whether or
-      not you use Rust today, we want to know your opinions.
+  return monicoEditorAvailable && (
+    <Notification onClose={seenMonicoEditorAvailable}>
+      The <a href={MONACO_EDITOR_URL}>Monaco Editor</a>, the code editor
+      that powers VS Code, is now available in the playground. Choose
+      your preferred editor from the Config menu.
     </Notification>
   );
 };

ui/frontend/Playground.tsx

@@ -2,7 +2,7 @@ import React, { useCallback, useEffect, useRef } from 'react';
 import { useDispatch, useSelector } from 'react-redux';
 import Split from 'split-grid';
 
-import Editor from './Editor';
+import Editor from './editor/Editor';
 import Header from './Header';
 import Notifications from './Notifications';
 import Output from './Output';

ui/frontend/actions.ts

@@ -63,7 +63,8 @@ export enum ActionType {
   SetPage = 'SET_PAGE',
   ChangeEditor = 'CHANGE_EDITOR',
   ChangeKeybinding = 'CHANGE_KEYBINDING',
-  ChangeTheme = 'CHANGE_THEME',
+  ChangeAceTheme = 'CHANGE_ACE_THEME',
+  ChangeMonacoTheme = 'CHANGE_MONACO_THEME',
   ChangePairCharacters = 'CHANGE_PAIR_CHARACTERS',
   ChangeOrientation = 'CHANGE_ORIENTATION',
   ChangeAssemblyFlavor = 'CHANGE_ASSEMBLY_FLAVOR',
@@ -138,8 +139,11 @@ export const changeEditor = (editor: Editor) =>
 export const changeKeybinding = (keybinding: string) =>
   createAction(ActionType.ChangeKeybinding, { keybinding });
 
-export const changeTheme = (theme: string) =>
-  createAction(ActionType.ChangeTheme, { theme });
+export const changeAceTheme = (theme: string) =>
+  createAction(ActionType.ChangeAceTheme, { theme });
+
+export const changeMonacoTheme = (theme: string) =>
+  createAction(ActionType.ChangeMonacoTheme, { theme });
 
 export const changePairCharacters = (pairCharacters: PairCharacters) =>
   createAction(ActionType.ChangePairCharacters, { pairCharacters });
@@ -701,8 +705,7 @@ export function performVersionsLoad(): ThunkAction {
 const notificationSeen = (notification: Notification) =>
   createAction(ActionType.NotificationSeen, { notification });
 
-export const seenRust2021IsDefault = () => notificationSeen(Notification.Rust2021IsDefault);
-export const seenRustSurvey2021 = () => notificationSeen(Notification.RustSurvey2021);
+export const seenMonicoEditorAvailable = () => notificationSeen(Notification.MonacoEditorAvailable);
 
 export const browserWidthChanged = (isSmall: boolean) =>
   createAction(ActionType.BrowserWidthChanged, { isSmall });
@@ -816,7 +819,8 @@ export type Action =
   | ReturnType<typeof changeOrientation>
   | ReturnType<typeof changePrimaryAction>
   | ReturnType<typeof changeProcessAssembly>
-  | ReturnType<typeof changeTheme>
+  | ReturnType<typeof changeAceTheme>
+  | ReturnType<typeof changeMonacoTheme>
   | ReturnType<typeof requestExecute>
   | ReturnType<typeof receiveExecuteSuccess>
   | ReturnType<typeof receiveExecuteFailure>

ui/frontend/AdvancedEditor.tsx → ui/frontend/editor/AceEditor.tsx

@@ -1,17 +1,17 @@
 import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import { connect } from 'react-redux';
-import { aceResizeKey, offerCrateAutocompleteOnUse } from './selectors';
+import { aceResizeKey, offerCrateAutocompleteOnUse } from '../selectors';
 
-import State from './state';
-import { AceResizeKey, CommonEditorProps, Crate, PairCharacters, Position, Selection } from './types';
+import State from '../state';
+import { AceResizeKey, CommonEditorProps, Crate, PairCharacters, Position, Selection } from '../types';
 
 import styles from './Editor.module.css';
 
 type Ace = typeof import('ace-builds');
-type AceEditor = import('ace-builds').Ace.Editor;
+type AceModule = import('ace-builds').Ace.Editor;
 type AceCompleter = import('ace-builds').Ace.Completer;
 
-const displayExternCrateAutocomplete = (editor: AceEditor, autocompleteOnUse: boolean) => {
+const displayExternCrateAutocomplete = (editor: AceModule, autocompleteOnUse: boolean) => {
   const { session } = editor;
   const pos = editor.getCursorPosition();
   const line = session.getLine(pos.row);
@@ -55,11 +55,11 @@ function useRafDebouncedFunction<A extends any[]>(fn: (...args: A) => void, onCa
   }, [fn, onCall, timeout]);
 }
 
-interface AdvancedEditorProps extends AdvancedEditorAsyncProps {
+interface AceEditorProps extends AceEditorAsyncProps {
   ace: Ace;
 }
 
-interface AdvancedEditorProps {
+interface AceEditorProps {
   ace: Ace;
   autocompleteOnUse: boolean;
   code: string;
@@ -75,16 +75,16 @@ interface AdvancedEditorProps {
 }
 
 // Run an effect when the editor or prop changes
-function useEditorProp<T>(editor: AceEditor, prop: T, whenPresent: (editor: AceEditor, prop: T) => void) {
+function useEditorProp<T>(editor: AceModule, prop: T, whenPresent: (editor: AceModule, prop: T) => void) {
   useEffect(() => {
     if (editor) {
       return whenPresent(editor, prop);
     }
   }, [editor, prop, whenPresent]);
 }
 
-const AdvancedEditor: React.SFC<AdvancedEditorProps> = props => {
-  const [editor, setEditor] = useState<AceEditor>(null);
+const AceEditor: React.SFC<AceEditorProps> = props => {
+  const [editor, setEditor] = useState<AceModule>(null);
   const child = useRef<HTMLDivElement>(null);
 
   useEffect(() => {
@@ -292,7 +292,7 @@ const AdvancedEditor: React.SFC<AdvancedEditorProps> = props => {
   }, []));
 
   return (
-    <div className={styles.advanced} ref={child} />
+    <div className={styles.ace} ref={child} />
   );
 };
 
@@ -315,7 +315,7 @@ enum LoadState {
 //
 // Themes and keybindings can be changed at runtime.
 
-interface AdvancedEditorAsyncProps {
+interface AceEditorAsyncProps {
   autocompleteOnUse: boolean;
   code: string;
   execute: () => any;
@@ -329,7 +329,7 @@ interface AdvancedEditorAsyncProps {
   pairCharacters: PairCharacters;
 }
 
-class AdvancedEditorAsync extends React.Component<AdvancedEditorAsyncProps, AdvancedEditorAsyncState> {
+class AceEditorAsync extends React.Component<AceEditorAsyncProps, AceEditorAsyncState> {
   public constructor(props) {
     super(props);
     this.state = {
@@ -342,7 +342,7 @@ class AdvancedEditorAsync extends React.Component<AdvancedEditorAsyncProps, Adva
   public render() {
     if (this.isLoaded()) {
       const { ace, theme, keybinding } = this.state;
-      return <AdvancedEditor {...this.props} ace={ace} theme={theme} keybinding={keybinding} />;
+      return <AceEditor {...this.props} ace={ace} theme={theme} keybinding={keybinding} />;
     } else {
       return <div>Loading the ACE editor...</div>;
     }
@@ -447,13 +447,13 @@ class AdvancedEditorAsync extends React.Component<AdvancedEditorAsyncProps, Adva
 
   private async requireLibraries() {
     return import(
-      /* webpackChunkName: "advanced-editor" */
-      './advanced-editor'
+      /* webpackChunkName: "ace-editor" */
+      './ace-editor'
     );
   }
 }
 
-interface AdvancedEditorAsyncState {
+interface AceEditorAsyncState {
   theme?: string;
   keybinding?: string;
   themeState: LoadState;
@@ -472,7 +472,7 @@ interface PropsFromState {
 }
 
 const mapStateToProps = (state: State) => {
-  const { configuration: { theme, keybinding, pairCharacters } } = state;
+  const { configuration: { ace: { theme, keybinding, pairCharacters } } } = state;
 
   return {
     theme,
@@ -483,4 +483,4 @@ const mapStateToProps = (state: State) => {
   };
 };
 
-export default connect<PropsFromState, undefined, CommonEditorProps>(mapStateToProps)(AdvancedEditorAsync);
+export default connect<PropsFromState, undefined, CommonEditorProps>(mapStateToProps)(AceEditorAsync);

ui/frontend/editor/Editor.module.css

@@ -0,0 +1,22 @@
+.container {
+  composes: -autoSize from '../shared.module.css';
+  position: relative;
+}
+
+.-advanced {
+  composes: -bodyMonospace -autoSize from '../shared.module.css';
+  position: absolute;
+}
+
+.ace {
+  composes: -advanced;
+}
+
+.monaco {
+  composes: -advanced;
+}
+
+.simple {
+  composes: -advanced;
+  border: none;
+}