refactor progress

packages/errors/src/error_handling/ErrorResponse.tsx

@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {MimeType} from '@fluxer/constants/src/HttpConstants';
+
+export interface JsonResponseOptions {
+	status: number;
+	payload: Record<string, unknown>;
+	headers?: Record<string, string>;
+}
+
+export interface JsonErrorResponseOptions {
+	status: number;
+	code: string;
+	message: string;
+	data?: Record<string, unknown>;
+	headers?: Record<string, string>;
+}
+
+export function createJsonResponse(options: JsonResponseOptions): Response {
+	return new Response(JSON.stringify(options.payload), {
+		status: options.status,
+		headers: {
+			'Content-Type': MimeType.JSON,
+			...(options.headers ?? {}),
+		},
+	});
+}
+
+export function createJsonErrorResponse(options: JsonErrorResponseOptions): Response {
+	return createJsonResponse({
+		status: options.status,
+		payload: {
+			code: options.code,
+			message: options.message,
+			...(options.data ?? {}),
+		},
+		headers: options.headers,
+	});
+}
+
+export function createXmlErrorResponse(status: number, code: string, message: string): Response {
+	const xml = `<?xml version="1.0" encoding="UTF-8"?>
+<Error>
+  <Code>${escapeXml(code)}</Code>
+  <Message>${escapeXml(message)}</Message>
+</Error>`;
+
+	return new Response(xml, {
+		status,
+		headers: {
+			'Content-Type': MimeType.XML,
+		},
+	});
+}
+
+function escapeXml(value: string): string {
+	return value
+		.replaceAll('&', '&amp;')
+		.replaceAll('<', '&lt;')
+		.replaceAll('>', '&gt;')
+		.replaceAll('"', '&quot;')
+		.replaceAll("'", '&apos;');
+}