build: upgrade to TypeScript 2.7

package.json

@@ -28,7 +28,7 @@
   "dependencies": {
     "core-js": "^2.4.1",
     "reflect-metadata": "^0.1.3",
-    "rxjs": "5.5.5",
+    "rxjs": "5.5.6",
     "tslib": "^1.7.1",
     "zone.js": "^0.8.12"
   },
@@ -103,7 +103,7 @@
     "tslint": "5.7.0",
     "tslint-eslint-rules": "4.1.1",
     "tsutils": "2.12.1",
-    "typescript": "2.6.x",
+    "typescript": "2.7.x",
     "uglify-js": "2.8.29",
     "universal-analytics": "0.4.15",
     "vlq": "0.2.2",

packages/compiler-cli/src/diagnostics/typescript_symbols.ts

@@ -46,7 +46,9 @@ export function getClassMembers(
   if (declaration) {
     const type = checker.getTypeAtLocation(declaration);
     const node = program.getSourceFile(staticSymbol.filePath);
-    return new TypeWrapper(type, {node, program, checker}).members();
+    if (node) {
+      return new TypeWrapper(type, {node, program, checker}).members();
+    }
   }
 }
 

packages/compiler-cli/src/transformers/lower_expressions.ts

@@ -190,9 +190,12 @@ export function getExpressionLoweringTransformFactory(
   // Return the factory
   return (context: ts.TransformationContext) => (sourceFile: ts.SourceFile): ts.SourceFile => {
     // We need to use the original SourceFile for reading metadata, and not the transformed one.
-    const requests = requestsMap.getRequests(program.getSourceFile(sourceFile.fileName));
-    if (requests && requests.size) {
-      return transformSourceFile(sourceFile, requests, context);
+    const originalFile = program.getSourceFile(sourceFile.fileName);
+    if (originalFile) {
+      const requests = requestsMap.getRequests(originalFile);
+      if (requests && requests.size) {
+        return transformSourceFile(sourceFile, requests, context);
+      }
     }
     return sourceFile;
   };

packages/compiler-cli/src/transformers/program.ts

@@ -299,7 +299,10 @@ class AngularCompilerProgram implements Program {
             genFile = genFileByFileName.get(sourceFile.fileName);
             if (!sourceFile.isDeclarationFile && !GENERATED_FILES.test(sourceFile.fileName)) {
               // Note: sourceFile is the transformed sourcefile, not the original one!
-              emittedSourceFiles.push(this.tsProgram.getSourceFile(sourceFile.fileName));
+              const originalFile = this.tsProgram.getSourceFile(sourceFile.fileName);
+              if (originalFile) {
+                emittedSourceFiles.push(originalFile);
+              }
             }
           }
           this.writeFile(outFileName, outData, writeByteOrderMark, onError, genFile, sourceFiles);

packages/compiler-cli/test/diagnostics/mocks.ts

@@ -240,16 +240,18 @@ export function getDiagnosticTemplateInfo(
     const members = getClassMembers(context.program, context.checker, type);
     if (members) {
       const sourceFile = context.program.getSourceFile(type.filePath);
-      const query = getSymbolQuery(
-          context.program, context.checker, sourceFile,
-          () =>
-              getPipesTable(sourceFile, context.program, context.checker, compiledTemplate.pipes));
-      return {
-        fileName: templateFile,
-        offset: 0, query, members,
-        htmlAst: compiledTemplate.htmlAst,
-        templateAst: compiledTemplate.templateAst
-      };
+      if (sourceFile) {
+        const query = getSymbolQuery(
+            context.program, context.checker, sourceFile,
+            () => getPipesTable(
+                sourceFile, context.program, context.checker, compiledTemplate.pipes));
+        return {
+          fileName: templateFile,
+          offset: 0, query, members,
+          htmlAst: compiledTemplate.htmlAst,
+          templateAst: compiledTemplate.templateAst
+        };
+      }
     }
   }
 }

packages/compiler-cli/test/diagnostics/symbol_query_spec.ts

@@ -41,7 +41,7 @@ describe('symbol query', () => {
     const service = ts.createLanguageService(host, registry);
     program = service.getProgram();
     checker = program.getTypeChecker();
-    sourceFile = program.getSourceFile('/quickstart/app/app.component.ts');
+    sourceFile = program.getSourceFile('/quickstart/app/app.component.ts') !;
     const options: CompilerOptions = Object.create(host.getCompilationSettings());
     options.genDir = '/dist';
     options.basePath = '/quickstart';