Enable "object-literal-shorthand" lint rule (#16987)

src/compiler/checker.ts

@@ -21180,7 +21180,7 @@ namespace ts {
                 for (const prop of properties) {
                     const existing = seen.get(prop.name);
                     if (!existing) {
-                        seen.set(prop.name, { prop: prop, containingType: base });
+                        seen.set(prop.name, { prop, containingType: base });
                     }
                     else {
                         const isInheritedProperty = existing.containingType !== type;

src/compiler/moduleNameResolver.ts

@@ -151,11 +151,7 @@ namespace ts {
      */
     export function resolveTypeReferenceDirective(typeReferenceDirectiveName: string, containingFile: string | undefined, options: CompilerOptions, host: ModuleResolutionHost): ResolvedTypeReferenceDirectiveWithFailedLookupLocations {
         const traceEnabled = isTraceEnabled(options, host);
-        const moduleResolutionState: ModuleResolutionState = {
-            compilerOptions: options,
-            host: host,
-            traceEnabled
-        };
+        const moduleResolutionState: ModuleResolutionState = { compilerOptions: options, host, traceEnabled };
 
         const typeRoots = getEffectiveTypeRoots(options, host);
         if (traceEnabled) {

src/compiler/sourcemap.ts

@@ -145,7 +145,7 @@ namespace ts {
 
             // Initialize source map data
             sourceMapData = {
-                sourceMapFilePath: sourceMapFilePath,
+                sourceMapFilePath,
                 jsSourceMappingURL: !compilerOptions.inlineSourceMap ? getBaseFileName(normalizeSlashes(sourceMapFilePath)) : undefined,
                 sourceMapFile: getBaseFileName(normalizeSlashes(filePath)),
                 sourceMapSourceRoot: compilerOptions.sourceRoot || "",
@@ -292,8 +292,8 @@ namespace ts {
 
                 // New span
                 lastRecordedSourceMapSpan = {
-                    emittedLine: emittedLine,
-                    emittedColumn: emittedColumn,
+                    emittedLine,
+                    emittedColumn,
                     sourceLine: sourceLinePos.line,
                     sourceColumn: sourceLinePos.character,
                     sourceIndex: sourceMapSourceIndex

src/compiler/sys.ts

@@ -325,7 +325,7 @@ namespace ts {
             const nodeSystem: System = {
                 args: process.argv.slice(2),
                 newLine: _os.EOL,
-                useCaseSensitiveFileNames: useCaseSensitiveFileNames,
+                useCaseSensitiveFileNames,
                 write(s: string): void {
                     process.stdout.write(s);
                 },
@@ -394,9 +394,7 @@ namespace ts {
                         }
                     );
                 },
-                resolvePath: function(path: string): string {
-                    return _path.resolve(path);
-                },
+                resolvePath: path => _path.resolve(path),
                 fileExists,
                 directoryExists,
                 createDirectory(directoryName: string) {

src/compiler/transformers/generators.ts

@@ -2220,8 +2220,8 @@ namespace ts {
             beginBlock(<LoopBlock>{
                 kind: CodeBlockKind.Loop,
                 isScript: false,
-                breakLabel: breakLabel,
-                continueLabel: continueLabel
+                breakLabel,
+                continueLabel,
             });
             return breakLabel;
         }
@@ -2262,7 +2262,7 @@ namespace ts {
             beginBlock(<SwitchBlock>{
                 kind: CodeBlockKind.Switch,
                 isScript: false,
-                breakLabel: breakLabel
+                breakLabel,
             });
             return breakLabel;
         }