docs: fix proxy events documentation (#887)

Author: chimurai

recipes/async-response.md

@@ -12,8 +12,6 @@ const myProxy = createProxyMiddleware({
       // before
       proxyReq.setHeader('mpth-1', 'da');
     },
-  }
-  on: {
     proxyRes: async (proxyRes, req, res) => {
       const da = await new Promise((resolve, reject) => {
         setTimeout(() => {
@@ -27,7 +25,7 @@ const myProxy = createProxyMiddleware({
       // now pipe the response
       proxyRes.pipe(res);
     },
-  }
+  },
 });
 
 app.use('/api', myProxy);
@@ -60,8 +58,6 @@ const myProxy = createProxyMiddleware({
 
       proxyReq.setHeader('mpth-1', req.locals.da);
     },
-  }
-  on: {
     proxyRes: async (proxyRes, req, res) => {
       const da = await new Promise((resolve, reject) => {
         setTimeout(() => {
@@ -74,7 +70,7 @@ const myProxy = createProxyMiddleware({
 
       proxyRes.pipe(res);
     },
-  }
+  },
 });
 
 app.use('/api', entryMiddleware, myProxy);

recipes/modify-post.md

@@ -25,43 +25,45 @@ const proxy_options = {
   pathRewrite: {
     '^/docs': '/java/rep/server1', // Host path & target path conversion
   },
-  onError(err, req, res) {
-    res.writeHead(500, {
-      'Content-Type': 'text/plain',
-    });
-    res.end('Something went wrong. And we are reporting a custom error message.' + err);
-  },
-  onProxyReq(proxyReq, req, res) {
-    if (req.method == 'POST' && req.body) {
-      // Add req.body logic here if needed....
-
-      // ....
-
-      // Remove body-parser body object from the request
-      if (req.body) delete req.body;
-
-      // Make any needed POST parameter changes
-      let body = new Object();
-
-      body.filename = 'reports/statistics/summary_2016.pdf';
-      body.routeId = 's003b012d002';
-      body.authId = 'bac02c1d-258a-4177-9da6-862580154960';
-
-      // URI encode JSON object
-      body = Object.keys(body)
-        .map(function (key) {
-          return encodeURIComponent(key) + '=' + encodeURIComponent(body[key]);
-        })
-        .join('&');
-
-      // Update header
-      proxyReq.setHeader('content-type', 'application/x-www-form-urlencoded');
-      proxyReq.setHeader('content-length', body.length);
-
-      // Write out body changes to the proxyReq stream
-      proxyReq.write(body);
-      proxyReq.end();
-    }
+  on: {
+    error(err, req, res) {
+      res.writeHead(500, {
+        'Content-Type': 'text/plain',
+      });
+      res.end('Something went wrong. And we are reporting a custom error message.' + err);
+    },
+    proxyReq(proxyReq, req, res) {
+      if (req.method == 'POST' && req.body) {
+        // Add req.body logic here if needed....
+
+        // ....
+
+        // Remove body-parser body object from the request
+        if (req.body) delete req.body;
+
+        // Make any needed POST parameter changes
+        let body = new Object();
+
+        body.filename = 'reports/statistics/summary_2016.pdf';
+        body.routeId = 's003b012d002';
+        body.authId = 'bac02c1d-258a-4177-9da6-862580154960';
+
+        // URI encode JSON object
+        body = Object.keys(body)
+          .map(function (key) {
+            return encodeURIComponent(key) + '=' + encodeURIComponent(body[key]);
+          })
+          .join('&');
+
+        // Update header
+        proxyReq.setHeader('content-type', 'application/x-www-form-urlencoded');
+        proxyReq.setHeader('content-length', body.length);
+
+        // Write out body changes to the proxyReq stream
+        proxyReq.write(body);
+        proxyReq.end();
+      }
+    },
   },
 };