Cleaned up 'app.ts' a bit.

Author: DanielRosenwasser

imageboard/app.ts

@@ -38,91 +38,98 @@ else if (env === 'production') {
 
 app.get('/', routes.index);
 
-app.get('/findImages', function(req, res) {
+app.get('/findImages', (req, res) => {
     console.log('getting images from' + req.query['url']);
-   
-    var req2 = http.get(url.parse(req.query['url']), function(urlres) {  
-      console.log("Got response: " + urlres.statusCode);   
-      var text = "";
-      urlres.on('data', function(chunk: string) {  
+
+    let req2 = http.get(url.parse(req.query['url']), urlMessage => {
+      console.log("Got response: " + urlMessage.statusCode);
+
+      let text = "";
+
+      urlMessage.on('data', (chunk: string) => {
         text += chunk;
-      });   
-      urlres.on('end', function() {
-        console.log(text);     
-        var re = /<img[^>]+src=[\"\']([^\'\"]+)[\"\']/g;
-        var match, matches = [];
-        while(match = re.exec(text)) {
+      });
+
+      urlMessage.on('end', () => {
+        console.log(text);
+        const imageTagRegEx = /<img[^>]+src=[\"\']([^\'\"]+)[\"\']/g;
+
+        let match: RegExpMatchArray;
+        let matches: string[] = [];
+        while (match = imageTagRegEx.exec(text)) {
             matches.push(match[1]);
         }
+
         res.write(JSON.stringify(matches));
         res.end();
       });
-    }).on('error', function(a,e) {  
-      console.log("Got error: " + e.message);   
-    });   
+
+    }).on('error', function(a,e) {
+      console.log("Got error: " + e.message);
+    });
 });
 
-app.get('/user/:userid', function(req, res) {
+app.get('/user/:userid', (req, res) => {
     console.log('getting user ' + req.params.userid);
-    db.getUser(req.params.userid, function(user) {
-        res.render('user', { 
+    db.getUser(req.params.userid, user => {
+        res.render('user', {
             title: user._id,
-            username: user._id, 
-            boards: user.boards 
+            username: user._id,
+            boards: user.boards
        });
     });
 });
 
-app.get('/user/:userid/newboard', function(req, res) {
-    res.render('newboard', { 
+app.get('/user/:userid/newboard', (req, res) => {
+    res.render('newboard', {
         username: req.params.userid
-    });    
+    });
 });
 
-app.post('/user/:userid/newboard', function(req, res) {
-    db.addBoard(req.params.userid, req.param('title'), req.param('description'), function(user) {
-        res.redirect('/user/'+req.params.userid)
+app.post('/user/:userid/newboard', (req, res) => {
+    db.addBoard(req.params.userid, req.param('title'), req.param('description'), user => {
+        res.redirect('/user/'+req.params.userid);
     });
 });
 
-app.get('/user/:userid/:boardid', function(req, res) {
+app.get('/user/:userid/:boardid', (req, res) => {
     console.log('getting ' + req.params.userid + ", " + req.params.boardid);
-    db.getUser(req.params.userid, function(user) {
-        var board = user.boards.filter(function(board) {
-            return decodeURIComponent(req.params.boardid) === board.title;
-        })[0];
-        if(board) {
-            db.getImages(board.images, function(images) {
-                res.render('board', { 
+    db.getUser(req.params.userid, user => {
+        let board = user.boards.filter(board => decodeURIComponent(req.params.boardid) === board.title)[0];
+
+        if (board) {
+            db.getImages(board.images, images => {
+                res.render('board', {
                     title: user._id,
-                    username: user._id, 
+                    username: user._id,
                     board: board,
                     images: images
                 });
             });
-        } else {
+        }
+        else {
             res.send(404, 'not found');
         }
     });
 });
 
-app.get('/user/:userid/:boardid/newpin', function(req, res) {
-    res.render('newpin', { 
+app.get('/user/:userid/:boardid/newpin', (req, res) => {
+    res.render('newpin', {
         username: req.params.userid,
         boardid: req.params.boardid
-    });    
+    });
 });
 
-app.post('/user/:userid/:boardid/newpin', function(req, res) {
-    db.addPin(req.params.userid, req.params.boardid, req.param('imageUri'), req.param('link'), req.param('caption'), function(user) {
+app.post('/user/:userid/:boardid/newpin', (req, res) => {
+    db.addPin(req.params.userid, req.params.boardid, req.param('imageUri'), req.param('link'), req.param('caption'), user => {
         res.redirect('/user/'+req.params.userid +"/" + req.params.boardid)
     });
 });
 
-app.get('/image/:imageid', function(req, res) {
+app.get('/image/:imageid', (req, res) => {
     console.log('getting image ' + req.params.imageid);
-    db.getImage(req.params.imageid, function(image) {
-        res.render('image', { 
+    db.getImage(req.params.imageid, image => {
+        res.render('image', {
             title: "image",
             image: image
         });