Merge pull request #23893 from Microsoft/libReference

Adds 'lib' reference directives

src/services/goToDefinition.ts

@@ -107,6 +107,12 @@ namespace ts.GoToDefinition {
             return file && { fileName: typeReferenceDirective.fileName, file };
         }
 
+        const libReferenceDirective = findReferenceInPosition(sourceFile.libReferenceDirectives, position);
+        if (libReferenceDirective) {
+            const file = program.getLibFileFromReference(libReferenceDirective);
+            return file && { fileName: libReferenceDirective.fileName, file };
+        }
+
         return undefined;
     }
 
@@ -138,7 +144,10 @@ namespace ts.GoToDefinition {
         }
 
         // Check if position is on triple slash reference.
-        const comment = findReferenceInPosition(sourceFile.referencedFiles, position) || findReferenceInPosition(sourceFile.typeReferenceDirectives, position);
+        const comment = findReferenceInPosition(sourceFile.referencedFiles, position) ||
+            findReferenceInPosition(sourceFile.typeReferenceDirectives, position) ||
+            findReferenceInPosition(sourceFile.libReferenceDirectives, position);
+
         if (comment) {
             return { definitions, textSpan: createTextSpanFromRange(comment) };
         }

src/services/preProcess.ts

@@ -6,6 +6,7 @@ namespace ts {
             checkJsDirective: undefined,
             referencedFiles: [],
             typeReferenceDirectives: [],
+            libReferenceDirectives: [],
             amdDependencies: [],
             hasNoDefaultLib: undefined,
             moduleName: undefined
@@ -336,7 +337,7 @@ namespace ts {
                     importedFiles.push(decl.ref);
                 }
             }
-            return { referencedFiles: pragmaContext.referencedFiles, typeReferenceDirectives: pragmaContext.typeReferenceDirectives, importedFiles, isLibFile: !!pragmaContext.hasNoDefaultLib, ambientExternalModules: undefined };
+            return { referencedFiles: pragmaContext.referencedFiles, typeReferenceDirectives: pragmaContext.typeReferenceDirectives, libReferenceDirectives: pragmaContext.libReferenceDirectives, importedFiles, isLibFile: !!pragmaContext.hasNoDefaultLib, ambientExternalModules: undefined };
         }
         else {
             // for global scripts ambient modules still can have augmentations - look for ambient modules with depth > 0
@@ -354,7 +355,7 @@ namespace ts {
                     }
                 }
             }
-            return { referencedFiles: pragmaContext.referencedFiles, typeReferenceDirectives: pragmaContext.typeReferenceDirectives, importedFiles, isLibFile: !!pragmaContext.hasNoDefaultLib, ambientExternalModules: ambientModuleNames };
+            return { referencedFiles: pragmaContext.referencedFiles, typeReferenceDirectives: pragmaContext.typeReferenceDirectives, libReferenceDirectives: pragmaContext.libReferenceDirectives, importedFiles, isLibFile: !!pragmaContext.hasNoDefaultLib, ambientExternalModules: ambientModuleNames };
         }
     }
 }

src/services/services.ts

@@ -551,6 +551,7 @@ namespace ts {
         public moduleName: string;
         public referencedFiles: FileReference[];
         public typeReferenceDirectives: FileReference[];
+        public libReferenceDirectives: FileReference[];
 
         public syntacticDiagnostics: DiagnosticWithLocation[];
         public parseDiagnostics: DiagnosticWithLocation[];

src/services/shims.ts

@@ -1104,7 +1104,8 @@ namespace ts {
                         importedFiles: this.convertFileReferences(result.importedFiles),
                         ambientExternalModules: result.ambientExternalModules,
                         isLibFile: result.isLibFile,
-                        typeReferenceDirectives: this.convertFileReferences(result.typeReferenceDirectives)
+                        typeReferenceDirectives: this.convertFileReferences(result.typeReferenceDirectives),
+                        libReferenceDirectives: this.convertFileReferences(result.libReferenceDirectives)
                     };
                 });
         }

src/services/types.ts

@@ -151,9 +151,11 @@ namespace ts {
             return new StringScriptSnapshot(text);
         }
     }
+
     export interface PreProcessedFileInfo {
         referencedFiles: FileReference[];
         typeReferenceDirectives: FileReference[];
+        libReferenceDirectives: FileReference[];
         importedFiles: FileReference[];
         ambientExternalModules?: string[];
         isLibFile: boolean;