+ router.get('/events', (request, response) => {
+ const game = request.game;
+
+ game.handle_events(request, response);
+ });
+
+ /* Further, add some routes conditionally depending on whether the
+ * engine provides specific, necessary methods for the routes. */
+ if (engine.Game.prototype.add_move) {
+ router.post('/move', (request, response) => {
+ const game = request.game;
+ const move = request.body.move;
+
+ const legal = game.add_move(move);
+
+ /* Inform this client whether the move was legal. */
+ response.send(JSON.stringify(legal));
+
+ /* And only if legal, inform all clients. */
+ if (! legal)
+ return;
+
+ game.broadcast_move(move);
+ });
+ }
+