first commit

api/app/middleware/force_json_response_middleware.ts

@@ -0,0 +1,16 @@
+import type { HttpContext } from '@adonisjs/core/http'
+import type { NextFn } from '@adonisjs/core/types/http'
+
+/**
+ * The API always answers in JSON, including the errors raised before the
+ * route middleware (CSRF) and the EventSource requests: an unauthenticated
+ * stream gets a 401 instead of a redirect.
+ */
+export default class ForceJsonResponseMiddleware {
+  handle(ctx: HttpContext, next: NextFn) {
+    if (ctx.request.url().startsWith('/api/')) {
+      ctx.request.request.headers.accept = 'application/json'
+    }
+    return next()
+  }
+}