I started to program Angular 2 and I stuck with an error: ts1206 decorators are not valid here @Component({ // ts1206 decorators are not valid here selector: 'my-app', moduleId: module.id, templateUrl: 'app.component.html', styleUrls: ['app.component.css'] }) Update: My tsconfig.json: { "compilerOptions": { "target": "es5", "module": "commonjs", "moduleResolution": "node", "sourceMap": true, "emitDecoratorMetadata": true, "experimentalDecorators": true, "removeComments": false, "noImplicitAny": true, "suppressImplicitAnyIndexErrors": true } } what can I do with it? Continue reading...