Merge remote-tracking branch 'upstream/main'

Author: RyanCavanaugh

src/compiler/checker.ts

@@ -7976,5 +7976,13 @@
     "'await using' statements cannot be used inside a class static block.": {
         "category": "Error",
         "code": 18054
+    },
+    "'{0}' has a string type, but must have syntactically recognizable string syntax when 'isolatedModules' is enabled.": {
+        "category": "Error",
+        "code": 18055
+    },
+    "Enum member following a non-literal numeric member must have an initializer when 'isolatedModules' is enabled.": {
+        "category": "Error",
+        "code": 18056
     }
 }

src/compiler/diagnosticMessages.json

@@ -1106,20 +1106,15 @@ export const notImplementedResolver: EmitResolver = {
     getReferencedValueDeclarations: notImplemented,
     getTypeReferenceSerializationKind: notImplemented,
     isOptionalParameter: notImplemented,
-    moduleExportsSomeValue: notImplemented,
     isArgumentsLocalBinding: notImplemented,
     getExternalModuleFileFromDeclaration: notImplemented,
-    getTypeReferenceDirectivesForEntityName: notImplemented,
-    getTypeReferenceDirectivesForSymbol: notImplemented,
     isLiteralConstDeclaration: notImplemented,
     getJsxFactoryEntity: notImplemented,
     getJsxFragmentFactoryEntity: notImplemented,
     getAllAccessorDeclarations: notImplemented,
-    getSymbolOfExternalModuleSpecifier: notImplemented,
     isBindingCapturedByNode: notImplemented,
     getDeclarationStatementsForSourceFile: notImplemented,
     isImportRequiredByAugmentation: notImplemented,
-    tryFindAmbientModule: notImplemented,
 };
 
 const enum PipelinePhase {
@@ -4185,21 +4180,21 @@ export function createPrinter(printerOptions: PrinterOptions = {}, handlers: Pri
                 writeLine();
             }
         }
-        for (const directive of files) {
-            writeComment(`/// <reference path="${directive.fileName}" />`);
-            writeLine();
-        }
-        for (const directive of types) {
-            const resolutionMode = directive.resolutionMode && directive.resolutionMode !== currentSourceFile?.impliedNodeFormat
-                ? `resolution-mode="${directive.resolutionMode === ModuleKind.ESNext ? "import" : "require"}"`
-                : "";
-            writeComment(`/// <reference types="${directive.fileName}" ${resolutionMode}/>`);
-            writeLine();
-        }
-        for (const directive of libs) {
-            writeComment(`/// <reference lib="${directive.fileName}" />`);
-            writeLine();
+
+        function writeDirectives(kind: "path" | "types" | "lib", directives: readonly FileReference[]) {
+            for (const directive of directives) {
+                const preserve = directive.preserve ? `preserve="true" ` : "";
+                const resolutionMode = directive.resolutionMode && directive.resolutionMode !== currentSourceFile?.impliedNodeFormat
+                    ? `resolution-mode="${directive.resolutionMode === ModuleKind.ESNext ? "import" : "require"}" `
+                    : "";
+                writeComment(`/// <reference ${kind}="${directive.fileName}" ${resolutionMode}${preserve}/>`);
+                writeLine();
+            }
         }
+
+        writeDirectives("path", files);
+        writeDirectives("types", types);
+        writeDirectives("lib", libs);
     }
 
     function emitSourceFileWorker(node: SourceFile) {

src/compiler/emitter.ts

@@ -9227,7 +9227,7 @@ namespace Parser {
 
                     let name: EntityName | JSDocMemberName = parseIdentifierName();
                     while (parseOptional(SyntaxKind.DotToken)) {
-                        name = finishNode(factory.createQualifiedName(name, token() === SyntaxKind.PrivateIdentifier ? createMissingNode<Identifier>(SyntaxKind.Identifier, /*reportAtCurrentPosition*/ false) : parseIdentifier()), pos);
+                        name = finishNode(factory.createQualifiedName(name, token() === SyntaxKind.PrivateIdentifier ? createMissingNode<Identifier>(SyntaxKind.Identifier, /*reportAtCurrentPosition*/ false) : parseIdentifierName()), pos);
                     }
                     while (token() === SyntaxKind.PrivateIdentifier) {
                         reScanHashToken();
@@ -10510,19 +10510,20 @@ export function processPragmasIntoFields(context: PragmaContext, reportDiagnosti
                 const typeReferenceDirectives = context.typeReferenceDirectives;
                 const libReferenceDirectives = context.libReferenceDirectives;
                 forEach(toArray(entryOrList) as PragmaPseudoMap["reference"][], arg => {
-                    const { types, lib, path, ["resolution-mode"]: res } = arg.arguments;
+                    const { types, lib, path, ["resolution-mode"]: res, preserve: _preserve } = arg.arguments;
+                    const preserve = _preserve === "true" ? true : undefined;
                     if (arg.arguments["no-default-lib"] === "true") {
                         context.hasNoDefaultLib = true;
                     }
                     else if (types) {
                         const parsed = parseResolutionMode(res, types.pos, types.end, reportDiagnostic);
-                        typeReferenceDirectives.push({ pos: types.pos, end: types.end, fileName: types.value, ...(parsed ? { resolutionMode: parsed } : {}) });
+                        typeReferenceDirectives.push({ pos: types.pos, end: types.end, fileName: types.value, ...(parsed ? { resolutionMode: parsed } : {}), ...(preserve ? { preserve } : {}) });
                     }
                     else if (lib) {
-                        libReferenceDirectives.push({ pos: lib.pos, end: lib.end, fileName: lib.value });
+                        libReferenceDirectives.push({ pos: lib.pos, end: lib.end, fileName: lib.value, ...(preserve ? { preserve } : {}) });
                     }
                     else if (path) {
-                        referencedFiles.push({ pos: path.pos, end: path.end, fileName: path.value });
+                        referencedFiles.push({ pos: path.pos, end: path.end, fileName: path.value, ...(preserve ? { preserve } : {}) });
                     }
                     else {
                         reportDiagnostic(arg.range.pos, arg.range.end - arg.range.pos, Diagnostics.Invalid_reference_directive_syntax);

src/compiler/parser.ts

@@ -2630,7 +2630,6 @@ export function createProgram(rootNamesOrOptions: readonly string[] | CreateProg
             getSourceFile: program.getSourceFile,
             getSourceFileByPath: program.getSourceFileByPath,
             getSourceFiles: program.getSourceFiles,
-            getLibFileFromReference: program.getLibFileFromReference,
             isSourceFileFromExternalLibrary,
             getResolvedProjectReferenceToRedirect,
             getProjectReferenceRedirect,