Change API to use constant values

This helps prevent misuse of the API objects and will allow for more declarative apis

extensions/typescript-language-features/src/features/bufferSyncSupport.ts

@@ -10,6 +10,7 @@ import { ITypeScriptServiceClient } from '../typescriptService';
 import { Delayer } from '../utils/async';
 import { disposeAll } from '../utils/dispose';
 import * as languageModeIds from '../utils/languageModeIds';
+import API from '../utils/api';
 
 
 interface IDiagnosticRequestor {
@@ -41,18 +42,18 @@ class SyncedBuffer {
 			fileContent: this.document.getText(),
 		};
 
-		if (this.client.apiVersion.has203Features()) {
+		if (this.client.apiVersion.gte(API.v203)) {
 			const scriptKind = mode2ScriptKind(this.document.languageId);
 			if (scriptKind) {
 				args.scriptKindName = scriptKind;
 			}
 		}
 
-		if (this.client.apiVersion.has230Features()) {
+		if (this.client.apiVersion.gte(API.v230)) {
 			args.projectRootPath = this.client.getWorkspaceRootForResource(this.document.uri);
 		}
 
-		if (this.client.apiVersion.has240Features()) {
+		if (this.client.apiVersion.gte(API.v240)) {
 			const tsPluginsForDocument = this.client.plugins
 				.filter(x => x.languages.indexOf(this.document.languageId) >= 0);
 

extensions/typescript-language-features/src/features/completions.ts

@@ -17,6 +17,7 @@ import * as nls from 'vscode-nls';
 import { applyCodeAction } from '../utils/codeAction';
 import { CommandManager, Command } from '../utils/commandManager';
 import FileConfigurationManager from './fileConfigurationManager';
+import API from '../utils/api';
 
 const localize = nls.loadMessageBundle();
 
@@ -447,7 +448,7 @@ class TypeScriptCompletionItemProvider implements vscode.CompletionItemProvider
 		line: vscode.TextLine,
 		position: vscode.Position
 	): boolean {
-		if ((context.triggerCharacter === '"' || context.triggerCharacter === '\'') && !this.client.apiVersion.has290Features()) {
+		if ((context.triggerCharacter === '"' || context.triggerCharacter === '\'') && !this.client.apiVersion.gte(API.v290)) {
 			if (!config.quickSuggestionsForPaths) {
 				return false;
 			}
@@ -471,7 +472,7 @@ class TypeScriptCompletionItemProvider implements vscode.CompletionItemProvider
 			}
 		}
 
-		if (context.triggerCharacter === '@' && !this.client.apiVersion.has290Features()) {
+		if (context.triggerCharacter === '@' && !this.client.apiVersion.gte(API.v290)) {
 			// make sure we are in something that looks like the start of a jsdoc comment
 			const pre = line.text.slice(0, position.character);
 			if (!pre.match(/^\s*\*[ ]?@/) && !pre.match(/\/\*\*+[ ]?@/)) {
@@ -480,7 +481,7 @@ class TypeScriptCompletionItemProvider implements vscode.CompletionItemProvider
 		}
 
 		if (context.triggerCharacter === '<') {
-			return this.client.apiVersion.has290Features();
+			return this.client.apiVersion.gte(API.v290);
 		}
 
 		return true;

extensions/typescript-language-features/src/features/directiveCommentCompletions.ts

@@ -7,6 +7,7 @@ import * as vscode from 'vscode';
 import * as nls from 'vscode-nls';
 import { ITypeScriptServiceClient } from '../typescriptService';
 import { VersionDependentRegistration } from '../utils/dependentRegistration';
+import API from '../utils/api';
 
 const localize = nls.loadMessageBundle();
 
@@ -77,7 +78,7 @@ export function register(
 ) {
 	return new VersionDependentRegistration(client, {
 		isSupportedVersion(api) {
-			return api.has230Features();
+			return api.gte(API.v230);
 		},
 		register() {
 			return vscode.languages.registerCompletionItemProvider(selector,

extensions/typescript-language-features/src/features/documentSymbol.ts

@@ -9,6 +9,7 @@ import * as Proto from '../protocol';
 import * as PConst from '../protocol.const';
 import { ITypeScriptServiceClient } from '../typescriptService';
 import * as typeConverters from '../utils/typeConverters';
+import API from '../utils/api';
 
 const getSymbolKind = (kind: string): vscode.SymbolKind => {
 	switch (kind) {
@@ -44,7 +45,7 @@ class TypeScriptDocumentSymbolProvider implements vscode.DocumentSymbolProvider
 		};
 
 		try {
-			if (this.client.apiVersion.has206Features()) {
+			if (this.client.apiVersion.gte(API.v206)) {
 				const response = await this.client.execute('navtree', args, token);
 				if (response.body) {
 					// The root represents the file. Ignore this when showing in the UI

extensions/typescript-language-features/src/features/fileConfigurationManager.ts

@@ -8,6 +8,7 @@ import { workspace as Workspace, FormattingOptions, TextDocument, CancellationTo
 import * as Proto from '../protocol';
 import { ITypeScriptServiceClient } from '../typescriptService';
 import * as languageIds from '../utils/languageModeIds';
+import API from '../utils/api';
 
 function objsAreEqual<T>(a: T, b: T): boolean {
 	let keys = Object.keys(a);
@@ -144,7 +145,7 @@ export default class FileConfigurationManager {
 	}
 
 	private getPreferences(document: TextDocument): Proto.UserPreferences {
-		if (!this.client.apiVersion.has290Features()) {
+		if (!this.client.apiVersion.gte(API.v290)) {
 			return {};
 		}
 

extensions/typescript-language-features/src/features/folding.ts

@@ -8,6 +8,7 @@ import * as Proto from '../protocol';
 import { ITypeScriptServiceClient } from '../typescriptService';
 import * as typeConverters from '../utils/typeConverters';
 import { VersionDependentRegistration } from '../utils/dependentRegistration';
+import API from '../utils/api';
 
 class TypeScriptFoldingProvider implements vscode.FoldingRangeProvider {
 	public constructor(
@@ -76,7 +77,7 @@ export function register(
 ): vscode.Disposable {
 	return new VersionDependentRegistration(client, {
 		isSupportedVersion(api) {
-			return api.has280Features();
+			return api.gte(API.v280);
 		},
 		register() {
 			return vscode.languages.registerFoldingRangeProvider(selector, new TypeScriptFoldingProvider(client));

extensions/typescript-language-features/src/features/implementations.ts

@@ -21,7 +21,7 @@ export function register(
 ) {
 	return new VersionDependentRegistration(client, {
 		isSupportedVersion(api: API) {
-			return api.has220Features();
+			return api.gte(API.v220);
 		},
 		register() {
 			return vscode.languages.registerImplementationProvider(selector,

extensions/typescript-language-features/src/features/implementationsCodeLens.ts

@@ -12,6 +12,7 @@ import { VersionDependentRegistration } from '../utils/dependentRegistration';
 import * as typeConverters from '../utils/typeConverters';
 import { CachedNavTreeResponse, ReferencesCodeLens, TypeScriptBaseCodeLensProvider } from './baseCodeLensProvider';
 import { disposeAll } from '../utils/dispose';
+import API from '../utils/api';
 const localize = nls.loadMessageBundle();
 
 export default class TypeScriptImplementationsCodeLensProvider extends TypeScriptBaseCodeLensProvider {
@@ -111,7 +112,7 @@ export function register(
 ) {
 	return new VersionDependentRegistration(client, {
 		isSupportedVersion(api) {
-			return api.has220Features();
+			return api.gte(API.v220);
 		},
 		register() {
 			const provider = new TypeScriptImplementationsCodeLensProvider(client, modeId, cachedResponse);

extensions/typescript-language-features/src/features/organizeImports.ts

@@ -11,6 +11,7 @@ import { Command, CommandManager } from '../utils/commandManager';
 import * as typeconverts from '../utils/typeConverters';
 import FileConfigurationManager from './fileConfigurationManager';
 import { VersionDependentRegistration } from '../utils/dependentRegistration';
+import API from '../utils/api';
 
 const localize = nls.loadMessageBundle();
 
@@ -85,7 +86,7 @@ export function register(
 ) {
 	return new VersionDependentRegistration(client, {
 		isSupportedVersion(api) {
-			return api.has280Features();
+			return api.gte(API.v280);
 		},
 		register() {
 			const organizeImportsProvider = new OrganizeImportsCodeActionProvider(client, commandManager, fileConfigurationManager);

extensions/typescript-language-features/src/features/quickFix.ts

@@ -16,6 +16,7 @@ import BufferSyncSupport from './bufferSyncSupport';
 
 import * as nls from 'vscode-nls';
 import TelemetryReporter from '../utils/telemetry';
+import API from '../utils/api';
 const localize = nls.loadMessageBundle();
 
 class ApplyCodeActionCommand implements Command {
@@ -179,7 +180,7 @@ class TypeScriptQuickFixProvider implements vscode.CodeActionProvider {
 		context: vscode.CodeActionContext,
 		token: vscode.CancellationToken
 	): Promise<vscode.CodeAction[]> {
-		if (!this.client.apiVersion.has213Features()) {
+		if (!this.client.apiVersion.gte(API.v213)) {
 			return [];
 		}
 
@@ -261,7 +262,7 @@ class TypeScriptQuickFixProvider implements vscode.CodeActionProvider {
 		diagnostic: vscode.Diagnostic,
 		tsAction: Proto.CodeFixAction,
 	): Promise<vscode.CodeAction | undefined> {
-		if (!tsAction.fixId || !this.client.apiVersion.has270Features()) {
+		if (!tsAction.fixId || !this.client.apiVersion.gte(API.v270)) {
 			return undefined;
 		}
 

extensions/typescript-language-features/src/features/refactor.ts

@@ -12,6 +12,7 @@ import * as typeConverters from '../utils/typeConverters';
 import FormattingOptionsManager from './fileConfigurationManager';
 import { CommandManager, Command } from '../utils/commandManager';
 import { VersionDependentRegistration } from '../utils/dependentRegistration';
+import API from '../utils/api';
 
 class ApplyRefactoringCommand implements Command {
 	public static readonly ID = '_typescript.applyRefactoring';
@@ -211,7 +212,7 @@ export function register(
 ) {
 	return new VersionDependentRegistration(client, {
 		isSupportedVersion(api) {
-			return api.has240Features();
+			return api.gte(API.v240);
 		},
 		register() {
 			return vscode.languages.registerCodeActionsProvider(selector,

extensions/typescript-language-features/src/features/references.ts

@@ -7,6 +7,7 @@ import * as vscode from 'vscode';
 
 import { ITypeScriptServiceClient } from '../typescriptService';
 import * as typeConverters from '../utils/typeConverters';
+import API from '../utils/api';
 
 class TypeScriptReferenceSupport implements vscode.ReferenceProvider {
 	public constructor(
@@ -30,7 +31,7 @@ class TypeScriptReferenceSupport implements vscode.ReferenceProvider {
 				return [];
 			}
 			const result: vscode.Location[] = [];
-			const has203Features = this.client.apiVersion.has203Features();
+			const has203Features = this.client.apiVersion.gte(API.v203);
 			for (const ref of msg.body.refs) {
 				if (!options.includeDeclaration && has203Features && ref.isDefinition) {
 					continue;

extensions/typescript-language-features/src/features/referencesCodeLens.ts

@@ -12,6 +12,7 @@ import * as typeConverters from '../utils/typeConverters';
 import { CachedNavTreeResponse, ReferencesCodeLens, TypeScriptBaseCodeLensProvider } from './baseCodeLensProvider';
 import { disposeAll } from '../utils/dispose';
 import { VersionDependentRegistration } from '../utils/dependentRegistration';
+import API from '../utils/api';
 
 const localize = nls.loadMessageBundle();
 
@@ -120,7 +121,7 @@ export function register(
 ) {
 	return new VersionDependentRegistration(client, {
 		isSupportedVersion(api) {
-			return api.has206Features();
+			return api.gte(API.v206);
 		},
 		register() {
 			const referenceCodeLensProvider = new TypeScriptReferencesCodeLensProvider(client, modeId, cachedResponse);

extensions/typescript-language-features/src/features/typeDefinitions.ts

@@ -21,7 +21,7 @@ export function register(
 ) {
 	return new VersionDependentRegistration(client, {
 		isSupportedVersion(api: API) {
-			return api.has213Features();
+			return api.gte(API.v213);
 		},
 		register() {
 			return vscode.languages.registerTypeDefinitionProvider(selector,

extensions/typescript-language-features/src/features/updatePathsOnRename.ts

@@ -12,6 +12,7 @@ import * as languageIds from '../utils/languageModeIds';
 import * as typeConverters from '../utils/typeConverters';
 import BufferSyncSupport from './bufferSyncSupport';
 import FileConfigurationManager from './fileConfigurationManager';
+import API from '../utils/api';
 
 const localize = nls.loadMessageBundle();
 
@@ -45,7 +46,7 @@ export class UpdateImportsOnFileRenameHandler {
 		oldResource: vscode.Uri,
 		newResource: vscode.Uri,
 	): Promise<void> {
-		if (!this.client.apiVersion.has290Features) {
+		if (!this.client.apiVersion.gte(API.v290)) {
 			return;
 		}
 

extensions/typescript-language-features/src/typeScriptServiceClientHost.ts

@@ -25,6 +25,7 @@ import { LanguageDescription } from './utils/languageDescription';
 import LogDirectoryProvider from './utils/logDirectoryProvider';
 import { disposeAll } from './utils/dispose';
 import { DiagnosticKind } from './features/diagnostics';
+import API from './utils/api';
 
 // Style check diagnostics that can be reported as warnings
 const styleCheckDiagnostics = [
@@ -100,7 +101,7 @@ export default class TypeScriptServiceClientHost {
 
 		this.client.ensureServiceStarted();
 		this.client.onReady(() => {
-			if (!this.client.apiVersion.has230Features()) {
+			if (!this.client.apiVersion.gte(API.v230)) {
 				return;
 			}
 

extensions/typescript-language-features/src/typescriptServiceClient.ts

@@ -475,7 +475,7 @@ export default class TypeScriptServiceClient implements ITypeScriptServiceClient
 	}
 
 	public async openTsServerLogFile(): Promise<boolean> {
-		if (!this.apiVersion.has222Features()) {
+		if (!this.apiVersion.gte(API.v222)) {
 			window.showErrorMessage(
 				localize(
 					'typescript.openTsServerLog.notSupported',
@@ -534,7 +534,7 @@ export default class TypeScriptServiceClient implements ITypeScriptServiceClient
 	}
 
 	private setCompilerOptionsForInferredProjects(configuration: TypeScriptServiceConfiguration): void {
-		if (!this.apiVersion.has206Features()) {
+		if (!this.apiVersion.gte(API.v206)) {
 			return;
 		}
 
@@ -619,7 +619,7 @@ export default class TypeScriptServiceClient implements ITypeScriptServiceClient
 	}
 
 	public normalizePath(resource: Uri): string | null {
-		if (this._apiVersion.has213Features()) {
+		if (this._apiVersion.gte(API.v213)) {
 			if (resource.scheme === fileSchemes.walkThroughSnippet || resource.scheme === fileSchemes.untitled) {
 				const dirName = path.dirname(resource.path);
 				const fileName = this.inMemoryResourcePrefix + path.basename(resource.path);
@@ -641,11 +641,11 @@ export default class TypeScriptServiceClient implements ITypeScriptServiceClient
 	}
 
 	private get inMemoryResourcePrefix(): string {
-		return this._apiVersion.has270Features() ? '^' : '';
+		return this._apiVersion.gte(API.v270) ? '^' : '';
 	}
 
 	public asUrl(filepath: string): Uri {
-		if (this._apiVersion.has213Features()) {
+		if (this._apiVersion.gte(API.v213)) {
 			if (filepath.startsWith(TypeScriptServiceClient.WALK_THROUGH_SNIPPET_SCHEME_COLON) || (filepath.startsWith(fileSchemes.untitled + ':'))
 			) {
 				let resource = Uri.parse(filepath);
@@ -788,7 +788,7 @@ export default class TypeScriptServiceClient implements ITypeScriptServiceClient
 				return true;
 			}
 
-			if (this.apiVersion.has222Features() && this.cancellationPipeName) {
+			if (this.apiVersion.gte(API.v222) && this.cancellationPipeName) {
 				this.tracer.logTrace(`TypeScript Service: trying to cancel ongoing request with sequence number ${seq}`);
 				try {
 					fs.writeFileSync(this.cancellationPipeName + seq, '');
@@ -951,8 +951,8 @@ export default class TypeScriptServiceClient implements ITypeScriptServiceClient
 	): Promise<string[]> {
 		const args: string[] = [];
 
-		if (this.apiVersion.has206Features()) {
-			if (this.apiVersion.has250Features()) {
+		if (this.apiVersion.gte(API.v206)) {
+			if (this.apiVersion.gte(API.v250)) {
 				args.push('--useInferredProjectPerProjectRoot');
 			} else {
 				args.push('--useSingleInferredProject');
@@ -963,16 +963,16 @@ export default class TypeScriptServiceClient implements ITypeScriptServiceClient
 			}
 		}
 
-		if (this.apiVersion.has208Features()) {
+		if (this.apiVersion.gte(API.v208)) {
 			args.push('--enableTelemetry');
 		}
 
-		if (this.apiVersion.has222Features()) {
+		if (this.apiVersion.gte(API.v222)) {
 			this.cancellationPipeName = electron.getTempFile(`tscancellation-${electron.makeRandomHexString(20)}`);
 			args.push('--cancellationPipeName', this.cancellationPipeName + '*');
 		}
 
-		if (this.apiVersion.has222Features()) {
+		if (this.apiVersion.gte(API.v222)) {
 			if (this._configuration.tsServerLogLevel !== TsServerLogLevel.Off) {
 				const logDir = await this.logDirectoryProvider.getNewLogDirectory();
 				if (logDir) {
@@ -990,7 +990,7 @@ export default class TypeScriptServiceClient implements ITypeScriptServiceClient
 			}
 		}
 
-		if (this.apiVersion.has230Features()) {
+		if (this.apiVersion.gte(API.v230)) {
 			const pluginPaths = this.pluginPathsProvider.getPluginPaths();
 
 			if (this.plugins.length) {
@@ -1006,20 +1006,20 @@ export default class TypeScriptServiceClient implements ITypeScriptServiceClient
 			}
 		}
 
-		if (this.apiVersion.has234Features()) {
+		if (this.apiVersion.gte(API.v234)) {
 			if (this._configuration.npmLocation) {
 				args.push('--npmLocation', `"${this._configuration.npmLocation}"`);
 			}
 		}
 
-		if (this.apiVersion.has260Features()) {
+		if (this.apiVersion.gte(API.v260)) {
 			const tsLocale = getTsLocale(this._configuration);
 			if (tsLocale) {
 				args.push('--locale', tsLocale);
 			}
 		}
 
-		if (this.apiVersion.has291Features()) {
+		if (this.apiVersion.gte(API.v291)) {
 			args.push('--noGetErrOnBackgroundUpdate');
 		}
 

extensions/typescript-language-features/src/utils/api.ts

@@ -7,11 +7,29 @@ import * as semver from 'semver';
 import * as nls from 'vscode-nls';
 const localize = nls.loadMessageBundle();
 
-import { memoize } from './memoize';
-
-
 export default class API {
-	public static readonly defaultVersion = new API('1.0.0', '1.0.0');
+	private static fromSimpleString(value: string): API {
+		return new API(value, value);
+	}
+
+	public static readonly defaultVersion = API.fromSimpleString('1.0.0');
+	public static readonly v203 = API.fromSimpleString('2.0.3');
+	public static readonly v206 = API.fromSimpleString('2.0.6');
+	public static readonly v208 = API.fromSimpleString('2.0.8');
+	public static readonly v213 = API.fromSimpleString('2.1.3');
+	public static readonly v220 = API.fromSimpleString('2.2.0');
+	public static readonly v222 = API.fromSimpleString('2.2.2');
+	public static readonly v230 = API.fromSimpleString('2.3.0');
+	public static readonly v234 = API.fromSimpleString('2.3.4');
+	public static readonly v240 = API.fromSimpleString('2.4.0');
+	public static readonly v250 = API.fromSimpleString('2.5.0');
+	public static readonly v260 = API.fromSimpleString('2.6.0');
+	public static readonly v262 = API.fromSimpleString('2.6.2');
+	public static readonly v270 = API.fromSimpleString('2.7.0');
+	public static readonly v280 = API.fromSimpleString('2.8.0');
+	public static readonly v290 = API.fromSimpleString('2.9.0');
+	public static readonly v291 = API.fromSimpleString('2.9.1');
+
 
 	public static fromVersionString(versionString: string): API {
 		let version = semver.valid(versionString);
@@ -32,83 +50,7 @@ export default class API {
 		private readonly version: string
 	) { }
 
-	@memoize
-	public has203Features(): boolean {
-		return semver.gte(this.version, '2.0.3');
-	}
-
-	@memoize
-	public has206Features(): boolean {
-		return semver.gte(this.version, '2.0.6');
-	}
-
-	@memoize
-	public has208Features(): boolean {
-		return semver.gte(this.version, '2.0.8');
-	}
-
-	@memoize
-	public has213Features(): boolean {
-		return semver.gte(this.version, '2.1.3');
-	}
-
-	@memoize
-	public has220Features(): boolean {
-		return semver.gte(this.version, '2.2.0');
-	}
-
-	@memoize
-	public has222Features(): boolean {
-		return semver.gte(this.version, '2.2.2');
-	}
-
-	@memoize
-	public has230Features(): boolean {
-		return semver.gte(this.version, '2.3.0');
-	}
-
-	@memoize
-	public has234Features(): boolean {
-		return semver.gte(this.version, '2.3.4');
-	}
-
-	@memoize
-	public has240Features(): boolean {
-		return semver.gte(this.version, '2.4.0');
-	}
-
-	@memoize
-	public has250Features(): boolean {
-		return semver.gte(this.version, '2.5.0');
-	}
-
-	@memoize
-	public has260Features(): boolean {
-		return semver.gte(this.version, '2.6.0');
-	}
-
-	@memoize
-	public has262Features(): boolean {
-		return semver.gte(this.version, '2.6.2');
-	}
-
-	@memoize
-	public has270Features(): boolean {
-		return semver.gte(this.version, '2.7.0');
-	}
-
-	@memoize
-	public has280Features(): boolean {
-		return semver.gte(this.version, '2.8.0');
-	}
-
-	@memoize
-	public has290Features(): boolean {
-		return semver.gte(this.version, '2.9.0');
-	}
-
-	@memoize
-	public has291Features(): boolean {
-		return semver.gte(this.version, '2.9.1');
+	public gte(other: API): boolean {
+		return semver.gte(this.version, other.version);
 	}
 }
\ No newline at end of file

extensions/typescript-language-features/src/utils/projectStatus.ts

@@ -10,6 +10,7 @@ import { dirname } from 'path';
 import { openOrCreateConfigFile, isImplicitProjectConfigFile } from './tsconfig';
 import * as languageModeIds from '../utils/languageModeIds';
 import TelemetryReporter from './telemetry';
+import API from './api';
 
 const localize = loadMessageBundle();
 const selector = [languageModeIds.javascript, languageModeIds.javascriptreact];
@@ -193,7 +194,7 @@ export function create(
 		return vscode.window.showInformationMessage(message);
 	}));
 
-	if (client.apiVersion.has213Features()) {
+	if (client.apiVersion.gte(API.v213)) {
 		toDispose.push(createLargeProjectMonitorFromTypeScript(item, client));
 	} else {
 		toDispose.push(...createLargeProjectMonitorForProject(item, client, isOpen, memento));