platform/lib/src/routes/routes.dart

/// This app's route configuration.
library angel.src.routes;

import 'package:angel_cors/angel_cors.dart';
import 'package:angel_framework/angel_framework.dart';
import 'package:angel_static/angel_static.dart';
import 'package:file/file.dart';
import 'controllers/controllers.dart' as controllers;

/// Put your app routes here!
///
/// See the wiki for information about routing, requests, and responses:
/// * https://github.com/angel-dart/angel/wiki/Basic-Routing
/// * https://github.com/angel-dart/angel/wiki/Requests-&-Responses
AngelConfigurer configureServer(FileSystem fileSystem) {
  return (Angel app) async {
    // Enable CORS
    app.use(cors());
    
    // Typically, you want to mount controllers first, after any global middleware.
    await app.configure(controllers.configureServer);

    // Render `views/hello.jl` when a user visits the application root.
    app.get(
        '/', (RequestContext req, ResponseContext res) => res.render('hello'));

    // Mount static server at web in development.
    // The `CachingVirtualDirectory` variant of `VirtualDirectory` also sends `Cache-Control` headers.
    //
    // In production, however, prefer serving static files through NGINX or a
    // similar reverse proxy.
    //
    // Read the following two sources for documentation:
    // * https://medium.com/the-angel-framework/serving-static-files-with-the-angel-framework-2ddc7a2b84ae
    // * https://github.com/angel-dart/static
    var vDir = new VirtualDirectory(
      app,
      fileSystem,
      source: fileSystem.directory('web'),
    );
    app.use(vDir.handleRequest);

    // Throw a 404 if no route matched the request.
    app.use(() => throw new AngelHttpException.notFound());

    // Set our application up to handle different errors.
    //
    // Read the following for documentation:
    // * https://github.com/angel-dart/angel/wiki/Error-Handling

    var oldErrorHandler = app.errorHandler;
    app.errorHandler = (e, req, res) async {
      if (!req.accepts('text/html'))
        return await oldErrorHandler(e, req, res);
      else {
        if (e.statusCode == 404) {
          return await res
              .render('error', {'message': 'No file exists at ${req.path}.'});
        }

        return await res.render('error', {'message': e.message});
      }
    };
  };
}