Support services settings

src/harness/fourslash.ts

@@ -1221,7 +1221,7 @@ Actual: ${stringify(fullActual)}`);
         }
 
         private getCompletionListAtCaret(options?: FourSlashInterface.CompletionsAtOptions): ts.CompletionInfo {
-            return this.languageService.getCompletionsAtPosition(this.activeFile.fileName, this.currentCaretPosition, options);
+            return this.languageService.getCompletionsAtPosition(this.activeFile.fileName, this.currentCaretPosition, options, options && options.settings);
         }
 
         private getCompletionEntryDetails(entryName: string, source?: string): ts.CompletionEntryDetails {
@@ -1818,7 +1818,7 @@ Actual: ${stringify(fullActual)}`);
                     }
                     else if (prevChar === " " && /A-Za-z_/.test(ch)) {
                         /* Completions */
-                        this.languageService.getCompletionsAtPosition(this.activeFile.fileName, offset, { includeExternalModuleExports: false, includeInsertTextCompletions: false });
+                        this.languageService.getCompletionsAtPosition(this.activeFile.fileName, offset, ts.defaultCompletionOptions, ts.defaultServicesSettings);
                     }
 
                     if (i % checkCadence === 0) {
@@ -2393,7 +2393,7 @@ Actual: ${stringify(fullActual)}`);
         public applyCodeActionFromCompletion(markerName: string, options: FourSlashInterface.VerifyCompletionActionOptions) {
             this.goToMarker(markerName);
 
-            const actualCompletion = this.getCompletionListAtCaret({ includeExternalModuleExports: true, includeInsertTextCompletions: false }).entries.find(e =>
+            const actualCompletion = this.getCompletionListAtCaret({ ...ts.defaultCompletionOptions, includeExternalModuleExports: true }).entries.find(e =>
                 e.name === options.name && e.source === options.source);
 
             if (!actualCompletion.hasAction) {
@@ -4618,6 +4618,7 @@ namespace FourSlashInterface {
     export type ExpectedCompletionEntry = string | { name: string, insertText?: string, replacementSpan?: FourSlash.Range };
     export interface CompletionsAtOptions extends ts.GetCompletionsAtPositionOptions {
         isNewIdentifierLocation?: boolean;
+        settings?: ts.ServicesSettings;
     }
 
     export interface VerifyCompletionListContainsOptions extends ts.GetCompletionsAtPositionOptions {

src/harness/harnessLanguageService.ts

@@ -417,8 +417,8 @@ namespace Harness.LanguageService {
         getEncodedSemanticClassifications(fileName: string, span: ts.TextSpan): ts.Classifications {
             return unwrapJSONCallResult(this.shim.getEncodedSemanticClassifications(fileName, span.start, span.length));
         }
-        getCompletionsAtPosition(fileName: string, position: number, options: ts.GetCompletionsAtPositionOptions | undefined): ts.CompletionInfo {
-            return unwrapJSONCallResult(this.shim.getCompletionsAtPosition(fileName, position, options));
+        getCompletionsAtPosition(fileName: string, position: number, options: ts.GetCompletionsAtPositionOptions | undefined, settings: ts.ServicesSettings): ts.CompletionInfo {
+            return unwrapJSONCallResult(this.shim.getCompletionsAtPosition(fileName, position, options, settings));
         }
         getCompletionEntryDetails(fileName: string, position: number, entryName: string, options: ts.FormatCodeOptions | undefined, source: string | undefined): ts.CompletionEntryDetails {
             return unwrapJSONCallResult(this.shim.getCompletionEntryDetails(fileName, position, entryName, JSON.stringify(options), source));

src/harness/unittests/session.ts

@@ -145,7 +145,7 @@ namespace ts.server {
 
                 session.onMessage(JSON.stringify(configureRequest));
 
-                assert.equal(session.getProjectService().getFormatCodeOptions().indentStyle, IndentStyle.Block);
+                assert.equal(session.getProjectService().getFormatCodeOptions("" as NormalizedPath).indentStyle, IndentStyle.Block);
 
                 const setOptionsRequest: protocol.SetCompilerOptionsForInferredProjectsRequest = {
                     command: CommandNames.CompilerOptionsForInferredProjects,

src/harness/unittests/tsserverProjectSystem.ts

@@ -1321,13 +1321,13 @@ namespace ts.projectSystem {
             service.checkNumberOfProjects({ externalProjects: 1 });
             checkProjectActualFiles(service.externalProjects[0], [f1.path, f2.path, libFile.path]);
 
-            const completions1 = service.externalProjects[0].getLanguageService().getCompletionsAtPosition(f1.path, 2, { includeExternalModuleExports: false, includeInsertTextCompletions: false });
+            const completions1 = service.externalProjects[0].getLanguageService().getCompletionsAtPosition(f1.path, 2, defaultCompletionOptions, defaultServicesSettings);
             // should contain completions for string
             assert.isTrue(completions1.entries.some(e => e.name === "charAt"), "should contain 'charAt'");
             assert.isFalse(completions1.entries.some(e => e.name === "toExponential"), "should not contain 'toExponential'");
 
             service.closeClientFile(f2.path);
-            const completions2 = service.externalProjects[0].getLanguageService().getCompletionsAtPosition(f1.path, 2, { includeExternalModuleExports: false, includeInsertTextCompletions: false });
+            const completions2 = service.externalProjects[0].getLanguageService().getCompletionsAtPosition(f1.path, 2, defaultCompletionOptions, defaultServicesSettings);
             // should contain completions for string
             assert.isFalse(completions2.entries.some(e => e.name === "charAt"), "should not contain 'charAt'");
             assert.isTrue(completions2.entries.some(e => e.name === "toExponential"), "should contain 'toExponential'");
@@ -1353,11 +1353,11 @@ namespace ts.projectSystem {
             service.checkNumberOfProjects({ externalProjects: 1 });
             checkProjectActualFiles(service.externalProjects[0], [f1.path, f2.path, libFile.path]);
 
-            const completions1 = service.externalProjects[0].getLanguageService().getCompletionsAtPosition(f1.path, 0, { includeExternalModuleExports: false, includeInsertTextCompletions: false });
+            const completions1 = service.externalProjects[0].getLanguageService().getCompletionsAtPosition(f1.path, 0, defaultCompletionOptions, defaultServicesSettings);
             assert.isTrue(completions1.entries.some(e => e.name === "somelongname"), "should contain 'somelongname'");
 
             service.closeClientFile(f2.path);
-            const completions2 = service.externalProjects[0].getLanguageService().getCompletionsAtPosition(f1.path, 0, { includeExternalModuleExports: false, includeInsertTextCompletions: false });
+            const completions2 = service.externalProjects[0].getLanguageService().getCompletionsAtPosition(f1.path, 0, defaultCompletionOptions, defaultServicesSettings);
             assert.isFalse(completions2.entries.some(e => e.name === "somelongname"), "should not contain 'somelongname'");
             const sf2 = service.externalProjects[0].getLanguageService().getProgram().getSourceFile(f2.path);
             assert.equal(sf2.text, "");
@@ -1962,7 +1962,7 @@ namespace ts.projectSystem {
 
             // Check identifiers defined in HTML content are available in .ts file
             const project = configuredProjectAt(projectService, 0);
-            let completions = project.getLanguageService().getCompletionsAtPosition(file1.path, 1, { includeExternalModuleExports: false, includeInsertTextCompletions: false });
+            let completions = project.getLanguageService().getCompletionsAtPosition(file1.path, 1, defaultCompletionOptions, defaultServicesSettings);
             assert(completions && completions.entries[0].name === "hello", `expected entry hello to be in completion list`);
 
             // Close HTML file
@@ -1976,7 +1976,7 @@ namespace ts.projectSystem {
             checkProjectActualFiles(configuredProjectAt(projectService, 0), [file1.path, file2.path, config.path]);
 
             // Check identifiers defined in HTML content are not available in .ts file
-            completions = project.getLanguageService().getCompletionsAtPosition(file1.path, 5, { includeExternalModuleExports: false, includeInsertTextCompletions: false });
+            completions = project.getLanguageService().getCompletionsAtPosition(file1.path, 5, defaultCompletionOptions, defaultServicesSettings);
             assert(completions && completions.entries[0].name !== "hello", `unexpected hello entry in completion list`);
         });
 
@@ -2629,7 +2629,7 @@ namespace ts.projectSystem {
             assert.equal(lastEvent.data.project, project, "project name");
             assert.isFalse(lastEvent.data.languageServiceEnabled, "Language service state");
 
-            const options = projectService.getFormatCodeOptions();
+            const options = projectService.getFormatCodeOptions(f1.path as ts.server.NormalizedPath);
             const edits = project.getLanguageService().getFormattingEditsForDocument(f1.path, options);
             assert.deepEqual(edits, [{ span: createTextSpan(/*start*/ 7, /*length*/ 3), newText: " " }]);
         });
@@ -3525,7 +3525,7 @@ namespace ts.projectSystem {
             const projectService = createProjectService(host);
             projectService.openClientFile(f1.path);
 
-            const defaultSettings = projectService.getFormatCodeOptions();
+            const defaultSettings = projectService.getFormatCodeOptions(f1.path as ts.server.NormalizedPath);
 
             // set global settings
             const newGlobalSettings1 = clone(defaultSettings);

src/server/editorServices.ts

@@ -200,6 +200,7 @@ namespace ts.server {
 
     export interface HostConfiguration {
         formatCodeOptions: FormatCodeSettings;
+        servicesOptions: ServicesSettings;
         hostInfo: string;
         extraFileExtensions?: JsFileExtensionInfo[];
     }
@@ -442,6 +443,7 @@ namespace ts.server {
 
             this.hostConfiguration = {
                 formatCodeOptions: getDefaultFormatCodeSettings(this.host),
+                servicesOptions: defaultServicesSettings,
                 hostInfo: "Unknown host",
                 extraFileExtensions: []
             };
@@ -703,15 +705,14 @@ namespace ts.server {
             return project.dirty && project.updateGraph();
         }
 
-        getFormatCodeOptions(file?: NormalizedPath) {
-            let formatCodeSettings: FormatCodeSettings;
-            if (file) {
-                const info = this.getScriptInfoForNormalizedPath(file);
-                if (info) {
-                    formatCodeSettings = info.getFormatCodeSettings();
-                }
-            }
-            return formatCodeSettings || this.hostConfiguration.formatCodeOptions;
+        getFormatCodeOptions(file: NormalizedPath) {
+            const info = this.getScriptInfoForNormalizedPath(file);
+            return info && info.getFormatCodeSettings() || this.hostConfiguration.formatCodeOptions;
+        }
+
+        getServicesSettings(file: NormalizedPath) {
+            const info = this.getScriptInfoForNormalizedPath(file);
+            return info && info.getServicesSettings() || this.hostConfiguration.servicesOptions;
         }
 
         private onSourceFileChanged(fileName: NormalizedPath, eventKind: FileWatcherEventKind) {
@@ -1829,7 +1830,7 @@ namespace ts.server {
             if (args.file) {
                 const info = this.getScriptInfoForNormalizedPath(toNormalizedPath(args.file));
                 if (info) {
-                    info.setFormatOptions(convertFormatOptions(args.formatOptions));
+                    info.setSettings(convertFormatOptions(args.formatOptions), args.servicesOptions);
                     this.logger.info(`Host configuration update for file ${args.file}`);
                 }
             }
@@ -1842,6 +1843,9 @@ namespace ts.server {
                     mergeMapLikes(this.hostConfiguration.formatCodeOptions, convertFormatOptions(args.formatOptions));
                     this.logger.info("Format host information updated");
                 }
+                if (args.servicesOptions) {
+                    mergeMapLikes(this.hostConfiguration.servicesOptions, args.servicesOptions);
+                }
                 if (args.extraFileExtensions) {
                     this.hostConfiguration.extraFileExtensions = args.extraFileExtensions;
                     // We need to update the project structures again as it is possible that existing

src/server/protocol.ts

@@ -1232,6 +1232,8 @@ namespace ts.server.protocol {
          */
         formatOptions?: FormatCodeSettings;
 
+        servicesOptions?: ServicesSettings;
+
         /**
          * The host's additional supported .js file extensions
          */
@@ -2588,6 +2590,10 @@ namespace ts.server.protocol {
         insertSpaceBeforeTypeAnnotation?: boolean;
     }
 
+    export interface ServicesSettings {
+        quote: '"' | "'";
+    }
+
     export interface CompilerOptions {
         allowJs?: boolean;
         allowSyntheticDefaultImports?: boolean;

src/server/scriptInfo.ts

@@ -204,7 +204,8 @@ namespace ts.server {
          * All projects that include this file
          */
         readonly containingProjects: Project[] = [];
-        private formatCodeSettings: FormatCodeSettings;
+        private formatSettings: FormatCodeSettings | undefined;
+        private servicesSettings: ServicesSettings | undefined;
 
         /* @internal */
         fileWatcher: FileWatcher;
@@ -293,9 +294,8 @@ namespace ts.server {
             return this.realpath && this.realpath !== this.path ? this.realpath : undefined;
         }
 
-        getFormatCodeSettings() {
-            return this.formatCodeSettings;
-        }
+        getFormatCodeSettings(): FormatCodeSettings { return this.formatSettings; }
+        getServicesSettings(): ServicesSettings { return this.servicesSettings; }
 
         attachToProject(project: Project): boolean {
             const isNew = !this.isAttached(project);
@@ -388,12 +388,19 @@ namespace ts.server {
             }
         }
 
-        setFormatOptions(formatSettings: FormatCodeSettings): void {
+        setSettings(formatSettings: FormatCodeSettings, servicesSettings: ServicesSettings): void {
             if (formatSettings) {
-                if (!this.formatCodeSettings) {
-                    this.formatCodeSettings = getDefaultFormatCodeSettings(this.host);
+                if (!this.formatSettings) {
+                    this.formatSettings = getDefaultFormatCodeSettings(this.host);
+                }
+                mergeMapLikes(this.formatSettings, formatSettings);
+            }
+
+            if (servicesSettings) {
+                if (!this.servicesSettings) {
+                    this.servicesSettings = clone(defaultServicesSettings);
                 }
-                mergeMapLikes(this.formatCodeSettings, formatSettings);
+                mergeMapLikes(this.servicesSettings, servicesSettings);
             }
         }