swagger-codegen now has a typescript-angular2 language option now. To use:
swagger-codegen generate -i http://your-url/swagger.json -o client -l typescript-angular2
Angular 2 typescript template for swagger-codegen
After cloning the repository run
swagger-codegen generate \
-i http://petstore.swagger.io/v2/swagger.json \
-o client/petstore \
-l typescript-angular \
-t ./TypeScript-Angular2