Project Init

node_modules/http-proxy-middleware/dist/plugins/default/error-response-plugin.js

@@ -0,0 +1,30 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.errorResponsePlugin = void 0;
+const status_code_1 = require("../../status-code");
+function isResponseLike(obj) {
+    return obj && typeof obj.writeHead === 'function';
+}
+function isSocketLike(obj) {
+    return obj && typeof obj.write === 'function' && !('writeHead' in obj);
+}
+const errorResponsePlugin = (proxyServer, options) => {
+    proxyServer.on('error', (err, req, res, target) => {
+        // Re-throw error. Not recoverable since req & res are empty.
+        if (!req && !res) {
+            throw err; // "Error: Must provide a proper URL as target"
+        }
+        if (isResponseLike(res)) {
+            if (!res.headersSent) {
+                const statusCode = (0, status_code_1.getStatusCode)(err.code);
+                res.writeHead(statusCode);
+            }
+            const host = req.headers && req.headers.host;
+            res.end(`Error occurred while trying to proxy: ${host}${req.url}`);
+        }
+        else if (isSocketLike(res)) {
+            res.destroy();
+        }
+    });
+};
+exports.errorResponsePlugin = errorResponsePlugin;