microsoft · DonJayamanne · Jan 2, 2020 · Jan 2, 2020 · Jan 2, 2020
diff --git a/.eslintrc b/.eslintrc
@@ -9,7 +9,9 @@
 		"no-cond-assign": 0,
 		"no-unused-vars": 1,
 		"no-extra-semi": "warn",
-		"semi": "warn"
+        "semi": "warn",
+        "prettier/prettier": "error"
 	},
-	"extends": "eslint:recommended"
+    "extends": ["eslint:recommended", "prettier"],
+    "plugins": ["prettier"]
 }
diff --git a/.vscode/settings.json b/.vscode/settings.json
@@ -29,6 +29,9 @@
     "[typescript]": {
         "editor.formatOnSave": true
     },
+    "[javascript]": {
+        "editor.formatOnSave": true
+    },
     "typescript.tsdk": "./node_modules/typescript/lib", // we want to use the TS server from our node_modules folder to control its version
     "tslint.enable": true,
     "python.linting.enabled": false,
@@ -38,9 +41,12 @@
     "typescript.preferences.quoteStyle": "single",
     "javascript.preferences.quoteStyle": "single",
     "typescriptHero.imports.stringQuoteStyle": "'",
-    "prettier.tslintIntegration": true,
     "prettier.printWidth": 180,
     "prettier.singleQuote": true,
+    "editor.codeActionsOnSave": {
+        "source.fixAll.eslint": true,
+        "source.fixAll.tslint": true
+    },
     "python.jediEnabled": false,
     "python.analysis.logLevel": "Trace",
     "python.analysis.downloadChannel": "beta",

diff --git a/news/3 Code Health/2012.md b/news/3 Code Health/2012.md
@@ -0,0 +1 @@
+Use [prettier](https://prettier.io/) as the formatter for `TypeScript` code within the extension.
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -1094,7 +1094,7 @@
                 "runtime": "node",
                 "variables": {
                     "pickProcess": "python.pickLocalProcess"
-                  },
+                },
                 "configurationSnippets": [],
                 "configurationAttributes": {
                     "launch": {
@@ -2892,6 +2892,8 @@
         "electron-download": "^4.1.1",
         "enzyme": "^3.7.0",
         "enzyme-adapter-react-16": "^1.6.0",
+        "eslint-config-prettier": "^6.9.0",
+        "eslint-plugin-prettier": "^3.1.2",
         "event-stream": "3.3.4",
         "expose-loader": "^0.7.5",
         "extract-zip": "^1.6.7",
@@ -2927,6 +2929,7 @@
         "node-has-native-dependencies": "^1.0.2",
         "node-html-parser": "^1.1.13",
         "nyc": "^14.1.1",
+        "prettier": "^1.19.1",
         "raw-loader": "^0.5.1",
         "react": "^16.5.2",
         "react-data-grid": "^6.0.2-0",
@@ -2954,8 +2957,10 @@
         "ts-mockito": "^2.3.1",
         "ts-node": "^8.3.0",
         "tsconfig-paths-webpack-plugin": "^3.2.0",
+        "tslint-config-prettier": "^1.18.0",
         "tslint-eslint-rules": "^5.1.0",
         "tslint-microsoft-contrib": "^5.0.3",
+        "tslint-plugin-prettier": "^2.1.0",
         "typed-react-markdown": "^0.1.0",
         "typemoq": "^2.1.0",
         "typescript": "^3.7.2",

diff --git a/src/client/activation/aaTesting.ts b/src/client/activation/aaTesting.ts
@@ -10,7 +10,7 @@ import { IExtensionSingleActivationService } from './types';
 
 @injectable()
 export class AATesting implements IExtensionSingleActivationService {
-    constructor(@inject(IExperimentsManager) private experiments: IExperimentsManager) { }
+    constructor(@inject(IExperimentsManager) private experiments: IExperimentsManager) {}
 
     public async activate(): Promise<void> {
         this.experiments.sendTelemetryIfInExperiment(ValidateABTesting.experiment);

diff --git a/src/client/activation/activationManager.ts b/src/client/activation/activationManager.ts
@@ -28,7 +28,7 @@ export class ExtensionActivationManager implements IExtensionActivationManager {
         @inject(IApplicationDiagnostics) private readonly appDiagnostics: IApplicationDiagnostics,
         @inject(IWorkspaceService) private readonly workspaceService: IWorkspaceService,
         @inject(IActiveResourceService) private readonly activeResourceService: IActiveResourceService
-    ) { }
+    ) {}
 
     public dispose() {
         while (this.disposables.length > 0) {
@@ -43,10 +43,7 @@ export class ExtensionActivationManager implements IExtensionActivationManager {
     public async activate(): Promise<void> {
         await this.initialize();
         // Activate all activation services together.
-        await Promise.all([
-            Promise.all(this.singleActivationServices.map(item => item.activate())),
-            this.activateWorkspace(this.activeResourceService.getActiveResource())
-        ]);
+        await Promise.all([Promise.all(this.singleActivationServices.map(item => item.activate())), this.activateWorkspace(this.activeResourceService.getActiveResource())]);
         await this.autoSelection.autoSelectInterpreter(undefined);
     }
     @traceDecorators.error('Failed to activate a workspace')

diff --git a/src/client/activation/activationService.ts b/src/client/activation/activationService.ts
@@ -11,15 +11,7 @@ import { IApplicationShell, ICommandManager, IWorkspaceService } from '../common
 import { STANDARD_OUTPUT_CHANNEL } from '../common/constants';
 import { LSControl, LSEnabled } from '../common/experimentGroups';
 import { traceError } from '../common/logger';
-import {
-    IConfigurationService,
-    IDisposableRegistry,
-    IExperimentsManager,
-    IOutputChannel,
-    IPersistentStateFactory,
-    IPythonSettings,
-    Resource
-} from '../common/types';
+import { IConfigurationService, IDisposableRegistry, IExperimentsManager, IOutputChannel, IPersistentStateFactory, IPythonSettings, Resource } from '../common/types';
 import { swallowExceptions } from '../common/utils/decorators';
 import { noop } from '../common/utils/misc';
 import { IInterpreterService, PythonInterpreter } from '../interpreter/contracts';
@@ -28,12 +20,7 @@ import { sendTelemetryEvent } from '../telemetry';
 import { EventName } from '../telemetry/constants';
 import { Commands } from './languageServer/constants';
 import { RefCountedLanguageServer } from './refCountedLanguageServer';
-import {
-    IExtensionActivationService,
-    ILanguageServerActivator,
-    ILanguageServerCache,
-    LanguageServerType
-} from './types';
+import { IExtensionActivationService, ILanguageServerActivator, ILanguageServerCache, LanguageServerType } from './types';
 
 const jediEnabledSetting: keyof IPythonSettings = 'jediEnabled';
 const languageServerSetting: keyof IPythonSettings = 'languageServer';
@@ -56,17 +43,16 @@ export class LanguageServerExtensionActivationService implements IExtensionActiv
     private readonly interpreterService: IInterpreterService;
     private resource!: Resource;
 
-    constructor(@inject(IServiceContainer) private serviceContainer: IServiceContainer,
+    constructor(
+        @inject(IServiceContainer) private serviceContainer: IServiceContainer,
         @inject(IPersistentStateFactory) private stateFactory: IPersistentStateFactory,
-        @inject(IExperimentsManager) private readonly abExperiments: IExperimentsManager) {
+        @inject(IExperimentsManager) private readonly abExperiments: IExperimentsManager
+    ) {
         this.workspaceService = this.serviceContainer.get<IWorkspaceService>(IWorkspaceService);
         this.interpreterService = this.serviceContainer.get<IInterpreterService>(IInterpreterService);
         this.output = this.serviceContainer.get<OutputChannel>(IOutputChannel, STANDARD_OUTPUT_CHANNEL);
         this.appShell = this.serviceContainer.get<IApplicationShell>(IApplicationShell);
-        this.lsNotSupportedDiagnosticService = this.serviceContainer.get<IDiagnosticsService>(
-            IDiagnosticsService,
-            LSNotSupportedDiagnosticServiceId
-        );
+        this.lsNotSupportedDiagnosticService = this.serviceContainer.get<IDiagnosticsService>(IDiagnosticsService, LSNotSupportedDiagnosticServiceId);
         const commandManager = this.serviceContainer.get<ICommandManager>(ICommandManager);
         const disposables = serviceContainer.get<IDisposableRegistry>(IDisposableRegistry);
         disposables.push(this);
@@ -154,7 +140,7 @@ export class LanguageServerExtensionActivationService implements IExtensionActiv
             traceError('WorkspaceConfiguration.inspect returns `undefined` for setting `python.jediEnabled`');
             return false;
         }
-        return (settings.globalValue === undefined && settings.workspaceValue === undefined && settings.workspaceFolderValue === undefined);
+        return settings.globalValue === undefined && settings.workspaceValue === undefined && settings.workspaceFolderValue === undefined;
     }
 
     /**
@@ -172,7 +158,7 @@ export class LanguageServerExtensionActivationService implements IExtensionActiv
         const configurationService = this.serviceContainer.get<IConfigurationService>(IConfigurationService);
         let enabled = configurationService.getSettings(this.resource).jediEnabled;
         const languageServerType = configurationService.getSettings(this.resource).languageServer;
-        enabled = enabled || (languageServerType === LanguageServerType.Jedi);
+        enabled = enabled || languageServerType === LanguageServerType.Jedi;
         this.sendTelemetryForChosenLanguageServer(enabled).ignoreErrors();
         return enabled;
     }
@@ -269,8 +255,10 @@ export class LanguageServerExtensionActivationService implements IExtensionActiv
         const workspacesUris: (Uri | undefined)[] = this.workspaceService.hasWorkspaceFolders
             ? this.workspaceService.workspaceFolders!.map(workspace => workspace.uri)
             : [undefined];
-        if (workspacesUris.findIndex(uri => event.affectsConfiguration(`python.${jediEnabledSetting}`, uri)) === -1 &&
-            workspacesUris.findIndex(uri => event.affectsConfiguration(`python.${languageServerSetting}`, uri)) === -1) {
+        if (
+            workspacesUris.findIndex(uri => event.affectsConfiguration(`python.${jediEnabledSetting}`, uri)) === -1 &&
+            workspacesUris.findIndex(uri => event.affectsConfiguration(`python.${languageServerSetting}`, uri)) === -1
+        ) {
             return;
         }
         const jedi = this.useJedi();
@@ -285,10 +273,7 @@ export class LanguageServerExtensionActivationService implements IExtensionActiv
             }
         }
 
-        const item = await this.appShell.showInformationMessage(
-            'Please reload the window switching between language engines.',
-            'Reload'
-        );
+        const item = await this.appShell.showInformationMessage('Please reload the window switching between language engines.', 'Reload');
         if (item === 'Reload') {
             this.serviceContainer.get<ICommandManager>(ICommandManager).executeCommand('workbench.action.reloadWindow');
         }
@@ -302,6 +287,6 @@ export class LanguageServerExtensionActivationService implements IExtensionActiv
 
     private async onClearAnalysisCaches() {
         const values = await Promise.all([...this.cache.values()]);
-        values.forEach(v => v.clearAnalysisCache ? v.clearAnalysisCache() : noop());
+        values.forEach(v => (v.clearAnalysisCache ? v.clearAnalysisCache() : noop()));
     }
 }
diff --git a/src/client/activation/extensionSurvey.ts b/src/client/activation/extensionSurvey.ts
@@ -10,9 +10,7 @@ import { ShowExtensionSurveyPrompt } from '../common/experimentGroups';
 import '../common/extensions';
 import { traceDecorators } from '../common/logger';
 import { IPlatformService } from '../common/platform/types';
-import {
-    IBrowserService, IExperimentsManager, IPersistentStateFactory, IRandom
-} from '../common/types';
+import { IBrowserService, IExperimentsManager, IPersistentStateFactory, IRandom } from '../common/types';
 import { Common, ExtensionSurveyBanner, LanguageService } from '../common/utils/localize';
 import { sendTelemetryEvent } from '../telemetry';
 import { EventName } from '../telemetry/constants';
@@ -38,7 +36,8 @@ export class ExtensionSurveyPrompt implements IExtensionSingleActivationService
         @inject(IApplicationEnvironment) private appEnvironment: IApplicationEnvironment,
         @inject(IPlatformService) private platformService: IPlatformService,
         @optional() private sampleSizePerOneHundredUsers: number = 10,
-        @optional() private waitTimeToShowSurvey: number = WAIT_TIME_TO_SHOW_SURVEY) { }
+        @optional() private waitTimeToShowSurvey: number = WAIT_TIME_TO_SHOW_SURVEY
+    ) {}
 
     public async activate(): Promise<void> {
         if (!this.experiments.inExperiment(ShowExtensionSurveyPrompt.enabled)) {
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Use [prettier](https://prettier.io/) as the formatter for `TypeScript` code within the extension.