Update LKG.

lib/enu/diagnosticMessages.generated.json.lcg

@@ -843,6 +843,12 @@
               </Str>
               <Disp Icon="Str" />
             </Item>
+            <Item ItemId=";All_files_must_be_modules_when_the_isolatedModules_flag_is_provided_1208" ItemType="0" PsrId="306" Leaf="true">
+              <Str Cat="Text">
+                <Val><![CDATA[All files must be modules when the '--isolatedModules' flag is provided.]]></Val>
+              </Str>
+              <Disp Icon="Str" />
+            </Item>
             <Item ItemId=";All_imports_in_import_declaration_are_unused_6192" ItemType="0" PsrId="306" Leaf="true">
               <Str Cat="Text">
                 <Val><![CDATA[All imports in import declaration are unused.]]></Val>
@@ -1419,12 +1425,6 @@
               </Str>
               <Disp Icon="Str" />
             </Item>
-            <Item ItemId=";Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided_1208" ItemType="0" PsrId="306" Leaf="true">
-              <Str Cat="Text">
-                <Val><![CDATA[Cannot compile namespaces when the '--isolatedModules' flag is provided.]]></Val>
-              </Str>
-              <Disp Icon="Str" />
-            </Item>
             <Item ItemId=";Cannot_create_an_instance_of_an_abstract_class_2511" ItemType="0" PsrId="306" Leaf="true">
               <Str Cat="Text">
                 <Val><![CDATA[Cannot create an instance of an abstract class.]]></Val>
@@ -2445,6 +2445,12 @@
               </Str>
               <Disp Icon="Str" />
             </Item>
+            <Item ItemId=";Element_implicitly_has_an_any_type_because_expression_of_type_0_can_t_be_used_to_index_type_1_7053" ItemType="0" PsrId="306" Leaf="true">
+              <Str Cat="Text">
+                <Val><![CDATA[Element implicitly has an 'any' type because expression of type '{0}' can't be used to index type '{1}'.]]></Val>
+              </Str>
+              <Disp Icon="Str" />
+            </Item>
             <Item ItemId=";Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number_7015" ItemType="0" PsrId="306" Leaf="true">
               <Str Cat="Text">
                 <Val><![CDATA[Element implicitly has an 'any' type because index expression is not of type 'number'.]]></Val>
@@ -3003,12 +3009,6 @@
               </Str>
               <Disp Icon="Str" />
             </Item>
-            <Item ItemId=";Found_package_json_at_0_Package_ID_is_1_6190" ItemType="0" PsrId="306" Leaf="true">
-              <Str Cat="Text">
-                <Val><![CDATA[Found 'package.json' at '{0}'. Package ID is '{1}'.]]></Val>
-              </Str>
-              <Disp Icon="Str" />
-            </Item>
             <Item ItemId=";Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_1250" ItemType="0" PsrId="306" Leaf="true">
               <Str Cat="Text">
                 <Val><![CDATA[Function declarations are not allowed inside blocks in strict mode when targeting 'ES3' or 'ES5'.]]></Val>
@@ -3933,6 +3933,12 @@
               </Str>
               <Disp Icon="Str" />
             </Item>
+            <Item ItemId=";Module_name_0_was_successfully_resolved_to_1_with_Package_ID_2_6218" ItemType="0" PsrId="306" Leaf="true">
+              <Str Cat="Text">
+                <Val><![CDATA[======== Module name '{0}' was successfully resolved to '{1}' with Package ID '{2}'. ========]]></Val>
+              </Str>
+              <Disp Icon="Str" />
+            </Item>
             <Item ItemId=";Module_resolution_kind_is_not_specified_using_0_6088" ItemType="0" PsrId="306" Leaf="true">
               <Str Cat="Text">
                 <Val><![CDATA[Module resolution kind is not specified, using '{0}'.]]></Val>
@@ -3987,6 +3993,12 @@
               </Str>
               <Disp Icon="Str" />
             </Item>
+            <Item ItemId=";No_index_signature_with_a_parameter_of_type_0_was_found_on_type_1_7054" ItemType="0" PsrId="306" Leaf="true">
+              <Str Cat="Text">
+                <Val><![CDATA[No index signature with a parameter of type '{0}' was found on type '{1}'.]]></Val>
+              </Str>
+              <Disp Icon="Str" />
+            </Item>
             <Item ItemId=";No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2_18003" ItemType="0" PsrId="306" Leaf="true">
               <Str Cat="Text">
                 <Val><![CDATA[No inputs were found in config file '{0}'. Specified 'include' paths were '{1}' and 'exclude' paths were '{2}'.]]></Val>
@@ -6459,6 +6471,12 @@
               </Str>
               <Disp Icon="Str" />
             </Item>
+            <Item ItemId=";Type_reference_directive_0_was_successfully_resolved_to_1_with_Package_ID_2_primary_Colon_3_6219" ItemType="0" PsrId="306" Leaf="true">
+              <Str Cat="Text">
+                <Val><![CDATA[======== Type reference directive '{0}' was successfully resolved to '{1}' with Package ID '{2}', primary: {3}. ========]]></Val>
+              </Str>
+              <Disp Icon="Str" />
+            </Item>
             <Item ItemId=";Types_have_separate_declarations_of_a_private_property_0_2442" ItemType="0" PsrId="306" Leaf="true">
               <Str Cat="Text">
                 <Val><![CDATA[Types have separate declarations of a private property '{0}'.]]></Val>
@@ -7227,6 +7245,12 @@
               </Str>
               <Disp Icon="Str" />
             </Item>
+            <Item ItemId=";package_json_had_a_falsy_0_field_6220" ItemType="0" PsrId="306" Leaf="true">
+              <Str Cat="Text">
+                <Val><![CDATA['package.json' had a falsy '{0}' field.]]></Val>
+              </Str>
+              <Disp Icon="Str" />
+            </Item>
             <Item ItemId=";package_json_has_0_field_1_that_references_2_6101" ItemType="0" PsrId="306" Leaf="true">
               <Str Cat="Text">
                 <Val><![CDATA['package.json' has '{0}' field '{1}' that references '{2}'.]]></Val>

lib/lib.dom.d.ts

@@ -17348,7 +17348,8 @@ interface WorkerEventMap extends AbstractWorkerEventMap {
 /** An interface of the Web Workers API represents a background task that can be easily created and can send messages back to its creator. Creating a worker is as simple as calling the Worker() constructor and specifying a script to be run in the worker thread. */
 interface Worker extends EventTarget, AbstractWorker {
     onmessage: ((this: Worker, ev: MessageEvent) => any) | null;
-    postMessage(message: any, transfer?: Transferable[]): void;
+    postMessage(message: any, transfer: Transferable[]): void;
+    postMessage(message: any, options?: PostMessageOptions): void;
     terminate(): void;
     addEventListener<K extends keyof WorkerEventMap>(type: K, listener: (this: Worker, ev: WorkerEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;

lib/lib.es5.d.ts

@@ -533,7 +533,7 @@ interface Boolean {
 
 interface BooleanConstructor {
     new(value?: any): Boolean;
-    <T>(value?: T): value is Exclude<T, false | null | undefined | '' | 0>;
+    <T>(value?: T): boolean;
     readonly prototype: Boolean;
 }
 

lib/lib.webworker.d.ts

@@ -4251,7 +4251,8 @@ interface WorkerEventMap extends AbstractWorkerEventMap {
 /** An interface of the Web Workers API represents a background task that can be easily created and can send messages back to its creator. Creating a worker is as simple as calling the Worker() constructor and specifying a script to be run in the worker thread. */
 interface Worker extends EventTarget, AbstractWorker {
     onmessage: ((this: Worker, ev: MessageEvent) => any) | null;
-    postMessage(message: any, transfer?: Transferable[]): void;
+    postMessage(message: any, transfer: Transferable[]): void;
+    postMessage(message: any, options?: PostMessageOptions): void;
     terminate(): void;
     addEventListener<K extends keyof WorkerEventMap>(type: K, listener: (this: Worker, ev: WorkerEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;

lib/tsserverlibrary.d.ts

@@ -1969,6 +1969,7 @@ declare namespace ts {
          */
         getExportSymbolOfSymbol(symbol: Symbol): Symbol;
         getPropertySymbolOfDestructuringAssignment(location: Identifier): Symbol | undefined;
+        getTypeOfAssignmentPattern(pattern: AssignmentPattern): Type;
         getTypeAtLocation(node: Node): Type;
         getTypeFromTypeNode(node: TypeNode): Type;
         signatureToString(signature: Signature, enclosingDeclaration?: Node, flags?: TypeFormatFlags, kind?: SignatureKind): string;
@@ -8320,7 +8321,7 @@ declare namespace ts.server {
         private readonly cancellationToken;
         isNonTsProject(): boolean;
         isJsOnlyProject(): boolean;
-        static resolveModule(moduleName: string, initialDir: string, host: ServerHost, log: (message: string) => void): {} | undefined;
+        static resolveModule(moduleName: string, initialDir: string, host: ServerHost, log: (message: string) => void, logErrors?: (message: string) => void): {} | undefined;
         isKnownTypesPackageName(name: string): boolean;
         installPackage(options: InstallPackageOptions): Promise<ApplyCodeActionCommandResult>;
         private readonly typingsCache;

lib/typescript.d.ts

@@ -1969,6 +1969,7 @@ declare namespace ts {
          */
         getExportSymbolOfSymbol(symbol: Symbol): Symbol;
         getPropertySymbolOfDestructuringAssignment(location: Identifier): Symbol | undefined;
+        getTypeOfAssignmentPattern(pattern: AssignmentPattern): Type;
         getTypeAtLocation(node: Node): Type;
         getTypeFromTypeNode(node: TypeNode): Type;
         signatureToString(signature: Signature, enclosingDeclaration?: Node, flags?: TypeFormatFlags, kind?: SignatureKind): string;

lib/typescriptServices.d.ts

@@ -1969,6 +1969,7 @@ declare namespace ts {
          */
         getExportSymbolOfSymbol(symbol: Symbol): Symbol;
         getPropertySymbolOfDestructuringAssignment(location: Identifier): Symbol | undefined;
+        getTypeOfAssignmentPattern(pattern: AssignmentPattern): Type;
         getTypeAtLocation(node: Node): Type;
         getTypeFromTypeNode(node: TypeNode): Type;
         signatureToString(signature: Signature, enclosingDeclaration?: Node, flags?: TypeFormatFlags, kind?: SignatureKind): string;