Have CompletionEntryDetails source use a relative path

src/compiler/builder.ts

@@ -77,7 +77,7 @@ namespace ts {
     }
 
     export interface BuilderOptions {
-        getCanonicalFileName: (fileName: string) => string;
+        getCanonicalFileName: GetCanonicalFileName;
         computeHash: (data: string) => string;
     }
 

src/compiler/commandLineParser.ts

@@ -1540,7 +1540,7 @@ namespace ts {
             host: ParseConfigHost,
             basePath: string,
             configFileName: string,
-            getCanonicalFileName: (fileName: string) => string,
+            getCanonicalFileName: GetCanonicalFileName,
             resolutionStack: Path[],
             errors: Push<Diagnostic>,
     ): ParsedTsconfig {
@@ -1588,7 +1588,7 @@ namespace ts {
         json: any,
         host: ParseConfigHost,
         basePath: string,
-        getCanonicalFileName: (fileName: string) => string,
+        getCanonicalFileName: GetCanonicalFileName,
         configFileName: string | undefined,
         errors: Push<Diagnostic>
     ): ParsedTsconfig {
@@ -1619,7 +1619,7 @@ namespace ts {
         sourceFile: JsonSourceFile,
         host: ParseConfigHost,
         basePath: string,
-        getCanonicalFileName: (fileName: string) => string,
+        getCanonicalFileName: GetCanonicalFileName,
         configFileName: string | undefined,
         errors: Push<Diagnostic>
     ): ParsedTsconfig {
@@ -1688,7 +1688,7 @@ namespace ts {
         extendedConfig: string,
         host: ParseConfigHost,
         basePath: string,
-        getCanonicalFileName: (fileName: string) => string,
+        getCanonicalFileName: GetCanonicalFileName,
         errors: Push<Diagnostic>,
         createDiagnostic: (message: DiagnosticMessage, arg1?: string) => Diagnostic) {
         extendedConfig = normalizeSlashes(extendedConfig);
@@ -1713,7 +1713,7 @@ namespace ts {
         extendedConfigPath: Path,
         host: ts.ParseConfigHost,
         basePath: string,
-        getCanonicalFileName: (fileName: string) => string,
+        getCanonicalFileName: GetCanonicalFileName,
         resolutionStack: Path[],
         errors: Push<Diagnostic>,
     ): ParsedTsconfig | undefined {

src/compiler/core.ts

@@ -2033,7 +2033,7 @@ namespace ts {
         }
     }
 
-    export function getRelativePathToDirectoryOrUrl(directoryPathOrUrl: string, relativeOrAbsolutePath: string, currentDirectory: string, getCanonicalFileName: (fileName: string) => string, isAbsolutePathAnUrl: boolean) {
+    export function getRelativePathToDirectoryOrUrl(directoryPathOrUrl: string, relativeOrAbsolutePath: string, currentDirectory: string, getCanonicalFileName: GetCanonicalFileName, isAbsolutePathAnUrl: boolean) {
         const pathComponents = getNormalizedPathOrUrlComponents(relativeOrAbsolutePath, currentDirectory);
         const directoryComponents = getNormalizedPathOrUrlComponents(directoryPathOrUrl, currentDirectory);
         if (directoryComponents.length > 1 && lastOrUndefined(directoryComponents) === "") {
@@ -2808,7 +2808,8 @@ namespace ts {
         }
     }
 
-    export function createGetCanonicalFileName(useCaseSensitiveFileNames: boolean): (fileName: string) => string {
+    export type GetCanonicalFileName = (fileName: string) => string;
+    export function createGetCanonicalFileName(useCaseSensitiveFileNames: boolean): GetCanonicalFileName {
         return useCaseSensitiveFileNames
             ? ((fileName) => fileName)
             : ((fileName) => fileName.toLowerCase());

src/compiler/program.ts

@@ -20,7 +20,7 @@ namespace ts {
     }
 
     /* @internal */
-    export function computeCommonSourceDirectoryOfFilenames(fileNames: string[], currentDirectory: string, getCanonicalFileName: (fileName: string) => string): string {
+    export function computeCommonSourceDirectoryOfFilenames(fileNames: string[], currentDirectory: string, getCanonicalFileName: GetCanonicalFileName): string {
         let commonPathComponents: string[];
         const failed = forEach(fileNames, sourceFile => {
             // Each file contributes into common source file path

src/harness/fourslash.ts

@@ -867,10 +867,10 @@ namespace FourSlash {
             });
         }
 
-        public verifyCompletionListContains(entryId: ts.Completions.CompletionEntryIdentifier, text?: string, documentation?: string, kind?: string, spanIndex?: number, hasAction?: boolean, options?: ts.GetCompletionsAtPositionOptions) {
+        public verifyCompletionListContains(entryId: ts.Completions.CompletionEntryIdentifier, text?: string, documentation?: string, kind?: string, spanIndex?: number, hasAction?: boolean, options?: FourSlashInterface.VerifyCompletionListContainsOptions) {
             const completions = this.getCompletionListAtCaret(options);
             if (completions) {
-                this.assertItemInCompletionList(completions.entries, entryId, text, documentation, kind, spanIndex, hasAction);
+                this.assertItemInCompletionList(completions.entries, entryId, text, documentation, kind, spanIndex, hasAction, options);
             }
             else {
                 this.raiseError(`No completions at position '${this.currentCaretPosition}' when looking for '${JSON.stringify(entryId)}'.`);
@@ -3071,6 +3071,7 @@ Actual: ${stringify(fullActual)}`);
             kind: string | undefined,
             spanIndex: number | undefined,
             hasAction: boolean | undefined,
+            options: FourSlashInterface.VerifyCompletionListContainsOptions | undefined,
         ) {
             for (const item of items) {
                 if (item.name === entryId.name && item.source === entryId.source) {
@@ -3084,7 +3085,12 @@ Actual: ${stringify(fullActual)}`);
                             assert.equal(ts.displayPartsToString(details.displayParts), text, this.assertionMessageAtLastKnownMarker("completion item detail text for " + entryId));
                         }
 
-                        assert.deepEqual(details.source, entryId.source === undefined ? undefined : [ts.textPart(entryId.source)]);
+                        if (entryId.source === undefined) {
+                            assert.equal(options && options.sourceDisplay, undefined);
+                        }
+                        else {
+                            assert.deepEqual(details.source, [ts.textPart(options!.sourceDisplay)]);
+                        }
                     }
 
                     if (kind !== undefined) {
@@ -3811,7 +3817,7 @@ namespace FourSlashInterface {
 
         // Verifies the completion list contains the specified symbol. The
         // completion list is brought up if necessary
-        public completionListContains(entryId: string | ts.Completions.CompletionEntryIdentifier, text?: string, documentation?: string, kind?: string, spanIndex?: number, hasAction?: boolean, options?: ts.GetCompletionsAtPositionOptions) {
+        public completionListContains(entryId: string | ts.Completions.CompletionEntryIdentifier, text?: string, documentation?: string, kind?: string, spanIndex?: number, hasAction?: boolean, options?: VerifyCompletionListContainsOptions) {
             if (typeof entryId === "string") {
                 entryId = { name: entryId, source: undefined };
             }
@@ -4547,6 +4553,10 @@ namespace FourSlashInterface {
         isNewIdentifierLocation?: boolean;
     }
 
+    export interface VerifyCompletionListContainsOptions extends ts.GetCompletionsAtPositionOptions {
+        sourceDisplay: string;
+    }
+
     export interface NewContentOptions {
         // Exactly one of these should be defined.
         newFileContent?: string;

src/services/codefixes/importFixes.ts

@@ -34,7 +34,7 @@ namespace ts.codefix {
         host: LanguageServiceHost;
         checker: TypeChecker;
         compilerOptions: CompilerOptions;
-        getCanonicalFileName(fileName: string): string;
+        getCanonicalFileName: GetCanonicalFileName;
         cachedImportDeclarations?: ImportDeclarationMap;
     }
 
@@ -313,7 +313,7 @@ namespace ts.codefix {
         }
     }
 
-    function getModuleSpecifierForNewImport(sourceFile: SourceFile, moduleSymbol: Symbol, options: CompilerOptions, getCanonicalFileName: (file: string) => string, host: LanguageServiceHost): string | undefined {
+    export function getModuleSpecifierForNewImport(sourceFile: SourceFile, moduleSymbol: Symbol, options: CompilerOptions, getCanonicalFileName: (file: string) => string, host: LanguageServiceHost): string | undefined {
         const moduleFileName = moduleSymbol.valueDeclaration.getSourceFile().fileName;
         const sourceDirectory = getDirectoryPath(sourceFile.fileName);
 
@@ -523,7 +523,7 @@ namespace ts.codefix {
         return state > States.NodeModules ? { topLevelNodeModulesIndex, topLevelPackageNameIndex, packageRootIndex, fileNameIndex } : undefined;
     }
 
-    function getPathRelativeToRootDirs(path: string, rootDirs: ReadonlyArray<string>, getCanonicalFileName: (fileName: string) => string): string | undefined {
+    function getPathRelativeToRootDirs(path: string, rootDirs: ReadonlyArray<string>, getCanonicalFileName: GetCanonicalFileName): string | undefined {
         return firstDefined(rootDirs, rootDir => getRelativePathIfInDirectory(path, rootDir, getCanonicalFileName));
     }
 
@@ -535,12 +535,12 @@ namespace ts.codefix {
         return fileName;
     }
 
-    function getRelativePathIfInDirectory(path: string, directoryPath: string, getCanonicalFileName: (fileName: string) => string): string | undefined {
+    function getRelativePathIfInDirectory(path: string, directoryPath: string, getCanonicalFileName: GetCanonicalFileName): string | undefined {
         const relativePath = getRelativePathToDirectoryOrUrl(directoryPath, path, directoryPath, getCanonicalFileName, /*isAbsolutePathAnUrl*/ false);
         return isRootedDiskPath(relativePath) || startsWith(relativePath, "..") ? undefined : relativePath;
     }
 
-    function getRelativePath(path: string, directoryPath: string, getCanonicalFileName: (fileName: string) => string) {
+    function getRelativePath(path: string, directoryPath: string, getCanonicalFileName: GetCanonicalFileName) {
         const relativePath = getRelativePathToDirectoryOrUrl(directoryPath, path, directoryPath, getCanonicalFileName, /*isAbsolutePathAnUrl*/ false);
         return !pathIsRelative(relativePath) ? "./" + relativePath : relativePath;
     }

src/services/completions.ts

@@ -422,8 +422,9 @@ namespace ts.Completions {
         allSourceFiles: ReadonlyArray<SourceFile>,
         host: LanguageServiceHost,
         formatContext: formatting.FormatContext,
+        getCanonicalFileName: GetCanonicalFileName,
     ): CompletionEntryDetails {
-        const { name, source } = entryId;
+        const { name } = entryId;
         // Compute all the completion symbols again.
         const symbolCompletion = getSymbolCompletionFromEntryId(typeChecker, log, compilerOptions, sourceFile, position, entryId, allSourceFiles);
         switch (symbolCompletion.type) {
@@ -442,10 +443,10 @@ namespace ts.Completions {
             }
             case "symbol": {
                 const { symbol, location, symbolToOriginInfoMap } = symbolCompletion;
-                const codeActions = getCompletionEntryCodeActions(symbolToOriginInfoMap, symbol, typeChecker, host, compilerOptions, sourceFile, formatContext);
+                const { codeActions, sourceDisplay } = getCompletionEntryCodeActionsAndSourceDisplay(symbolToOriginInfoMap, symbol, typeChecker, host, compilerOptions, sourceFile, formatContext, getCanonicalFileName);
                 const kindModifiers = SymbolDisplay.getSymbolModifiers(symbol);
                 const { displayParts, documentation, symbolKind, tags } = SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, sourceFile, location, location, SemanticMeaning.All);
-                return { name, kindModifiers, kind: symbolKind, displayParts, documentation, tags, codeActions, source: source === undefined ? undefined : [textPart(source)] };
+                return { name, kindModifiers, kind: symbolKind, displayParts, documentation, tags, codeActions, source: sourceDisplay };
             }
             case "none": {
                 // Didn't find a symbol with this name.  See if we can find a keyword instead.
@@ -466,33 +467,37 @@ namespace ts.Completions {
         }
     }
 
-    function  getCompletionEntryCodeActions(
+    function getCompletionEntryCodeActionsAndSourceDisplay(
         symbolToOriginInfoMap: SymbolOriginInfoMap,
         symbol: Symbol,
         checker: TypeChecker,
         host: LanguageServiceHost,
         compilerOptions: CompilerOptions,
         sourceFile: SourceFile,
         formatContext: formatting.FormatContext,
-    ): CodeAction[] | undefined {
+        getCanonicalFileName: GetCanonicalFileName,
+    ): { codeActions: CodeAction[] | undefined, sourceDisplay: SymbolDisplayPart[] | undefined } {
         const symbolOriginInfo = symbolToOriginInfoMap[getSymbolId(symbol)];
         if (!symbolOriginInfo) {
-            return undefined;
+            return { codeActions: undefined, sourceDisplay: undefined };
         }
 
         const { moduleSymbol, isDefaultExport } = symbolOriginInfo;
-        return codefix.getCodeActionForImport(moduleSymbol, {
+
+        const sourceDisplay = [textPart(codefix.getModuleSpecifierForNewImport(sourceFile, moduleSymbol, compilerOptions, getCanonicalFileName, host))];
+        const codeActions = codefix.getCodeActionForImport(moduleSymbol, {
             host,
             checker,
             newLineCharacter: host.getNewLine(),
             compilerOptions,
             sourceFile,
             formatContext,
             symbolName: getSymbolName(symbol, symbolOriginInfo, compilerOptions.target),
-            getCanonicalFileName: createGetCanonicalFileName(host.useCaseSensitiveFileNames ? host.useCaseSensitiveFileNames() : false),
+            getCanonicalFileName,
             symbolToken: undefined,
             kind: isDefaultExport ? codefix.ImportKind.Default : codefix.ImportKind.Named,
         });
+        return { sourceDisplay, codeActions };
     }
 
     export function getCompletionEntrySymbol(

src/services/rename.ts

@@ -1,6 +1,6 @@
 /* @internal */
 namespace ts.Rename {
-    export function getRenameInfo(typeChecker: TypeChecker, defaultLibFileName: string, getCanonicalFileName: (fileName: string) => string, sourceFile: SourceFile, position: number): RenameInfo {
+    export function getRenameInfo(typeChecker: TypeChecker, defaultLibFileName: string, getCanonicalFileName: GetCanonicalFileName, sourceFile: SourceFile, position: number): RenameInfo {
         const getCanonicalDefaultLibName = memoize(() => getCanonicalFileName(ts.normalizePath(defaultLibFileName)));
         const node = getTouchingWord(sourceFile, position, /*includeJsDocComment*/ true);
         const renameInfo = node && nodeIsEligibleForRename(node)

src/services/services.ts

@@ -920,7 +920,7 @@ namespace ts {
         private _compilationSettings: CompilerOptions;
         private currentDirectory: string;
 
-        constructor(private host: LanguageServiceHost, getCanonicalFileName: (fileName: string) => string) {
+        constructor(private host: LanguageServiceHost, getCanonicalFileName: GetCanonicalFileName) {
             // script id => script index
             this.currentDirectory = host.getCurrentDirectory();
             this.fileNameToEntry = createMap<CachedHostFileInformation>();
@@ -1429,7 +1429,8 @@ namespace ts {
                 { name, source },
                 program.getSourceFiles(),
                 host,
-                formattingOptions && formatting.getFormatContext(formattingOptions));
+                formattingOptions && formatting.getFormatContext(formattingOptions),
+                getCanonicalFileName);
         }
 
         function getCompletionEntrySymbol(fileName: string, position: number, name: string, source?: string): Symbol {

tests/cases/fourslash/completionsImport_default_addToNamedImports.ts

@@ -9,7 +9,10 @@
 ////f/**/;
 
 goTo.marker("");
-verify.completionListContains({ name: "foo", source: "/a" }, "function foo(): void", "", "function", /*spanIndex*/ undefined, /*hasAction*/ true, { includeExternalModuleExports: true });
+verify.completionListContains({ name: "foo", source: "/a" }, "function foo(): void", "", "function", /*spanIndex*/ undefined, /*hasAction*/ true, {
+    includeExternalModuleExports: true,
+    sourceDisplay: "./a",
+});
 
 verify.applyCodeActionFromCompletion("", {
     name: "foo",

tests/cases/fourslash/completionsImport_default_addToNamespaceImport.ts

@@ -8,7 +8,10 @@
 ////f/**/;
 
 goTo.marker("");
-verify.completionListContains({ name: "foo", source: "/a" }, "function foo(): void", "", "function", /*spanIndex*/ undefined, /*hasAction*/ true, { includeExternalModuleExports: true });
+verify.completionListContains({ name: "foo", source: "/a" }, "function foo(): void", "", "function", /*spanIndex*/ undefined, /*hasAction*/ true, {
+    includeExternalModuleExports: true,
+    sourceDisplay: "./a",
+});
 
 verify.applyCodeActionFromCompletion("", {
     name: "foo",

tests/cases/fourslash/completionsImport_default_alreadyExistedWithRename.ts

@@ -8,7 +8,10 @@
 ////f/**/;
 
 goTo.marker("");
-verify.completionListContains({ name: "foo", source: "/a" }, "function foo(): void", "", "function", /*spanIndex*/ undefined, /*hasAction*/ true, { includeExternalModuleExports: true });
+verify.completionListContains({ name: "foo", source: "/a" }, "function foo(): void", "", "function", /*spanIndex*/ undefined, /*hasAction*/ true, {
+    includeExternalModuleExports: true,
+    sourceDisplay: "./a",
+});
 
 verify.applyCodeActionFromCompletion("", {
     name: "foo",

tests/cases/fourslash/completionsImport_default_anonymous.ts

@@ -10,10 +10,14 @@
 ////fooB/*1*/
 
 goTo.marker("0");
-verify.not.completionListContains({ name: "default", source: "/src/foo-bar" }, undefined, undefined, undefined, undefined, undefined, { includeExternalModuleExports: true });
+const options = {
+    includeExternalModuleExports: true,
+    sourceDisplay: "./foo-bar",
+};
+verify.not.completionListContains({ name: "default", source: "/src/foo-bar" }, undefined, undefined, undefined, undefined, undefined, options);
 
 goTo.marker("1");
-verify.completionListContains({ name: "fooBar", source: "/src/foo-bar" }, "(property) default: 0", "", "property", /*spanIndex*/ undefined, /*hasAction*/ true, { includeExternalModuleExports: true });
+verify.completionListContains({ name: "fooBar", source: "/src/foo-bar" }, "(property) default: 0", "", "property", /*spanIndex*/ undefined, /*hasAction*/ true, options);
 verify.applyCodeActionFromCompletion("1", {
     name: "fooBar",
     source: "/src/foo-bar",

tests/cases/fourslash/completionsImport_default_didNotExistBefore.ts

@@ -7,7 +7,10 @@
 ////f/**/;
 
 goTo.marker("");
-verify.completionListContains({ name: "foo", source: "/a" }, "function foo(): void", "", "function", /*spanIndex*/ undefined, /*hasAction*/ true, { includeExternalModuleExports: true });
+verify.completionListContains({ name: "foo", source: "/a" }, "function foo(): void", "", "function", /*spanIndex*/ undefined, /*hasAction*/ true, {
+    includeExternalModuleExports: true,
+    sourceDisplay: "./a",
+});
 
 verify.applyCodeActionFromCompletion("", {
     name: "foo",

tests/cases/fourslash/completionsImport_matching.ts

@@ -14,7 +14,7 @@
 
 goTo.marker("");
 
-const options = { includeExternalModuleExports: true };
+const options = { includeExternalModuleExports: true, sourceDisplay: "./a" };
 verify.not.completionListContains({ name: "abcde", source: "/a" }, undefined, undefined, undefined, undefined, undefined, options);
 verify.not.completionListContains({ name: "dbf", source: "/a" }, undefined, undefined, undefined, undefined, undefined, options);