Fix jshint errors.

One TODO left, I will probably break it if I try fix to fix it now.

Author: L-P

.jshintrc

@@ -0,0 +1,3 @@
+{
+  "moz": true
+}

lib/main.js

@@ -18,7 +18,7 @@ var recentChannels = [];
 function escapeShellArg(arg) {
   let ret = '';
 
-  if (prefs['use_double_quotes']) {
+  if (prefs.use_double_quotes) {
     ret = arg.replace(/["\\]/g, function (m, i, s) {
       return '\\' + m.slice(0, 1);
     });
@@ -48,7 +48,7 @@ function getDownloadCommands(httpChannel, filename) {
 
   let inputStream = httpChannel.QueryInterface(Ci.nsIUploadChannel).uploadStream;
   if (inputStream) {
-    let streamPos = inputStream.tell()
+    let streamPos = inputStream.tell();
     inputStream.seek(0, 0);
     let body = NetUtil.readInputStreamToString(inputStream, inputStream.available(), {});
     let i = body.indexOf("\r\n\r\n");
@@ -59,7 +59,7 @@ function getDownloadCommands(httpChannel, filename) {
 
     let bodyHeaders = bodyHeader.split("\r\n");
 
-    for (h in bodyHeaders) {
+    for (let h in bodyHeaders) {
       headerVisitor.headers.push(bodyHeaders[h]);
     }
     inputStream.seek(0, streamPos); // back to its original position
@@ -68,12 +68,12 @@ function getDownloadCommands(httpChannel, filename) {
   let ret = {};
 
   // Generating wget command
-  if (prefs['wget'] && ((requestMethod == 'GET' && !payload) || (requestMethod == 'POST' && payload))) {
+  if (prefs.wget && ((requestMethod == 'GET' && !payload) || (requestMethod == 'POST' && payload))) {
     ret.wget = 'wget';
 
     for (let i in headerVisitor.headers) {
       let h = headerVisitor.headers[i];
-      if (h.substring(0, 15).toLowerCase() == 'accept-encoding' && prefs['remove_accept_encoding'])
+      if (h.substring(0, 15).toLowerCase() == 'accept-encoding' && prefs.remove_accept_encoding)
         continue;
       ret.wget += ' --header=' + escapeShellArg(h);
     }
@@ -92,12 +92,12 @@ function getDownloadCommands(httpChannel, filename) {
   }
 
   // Generating curl command
-  if (prefs['curl']) {
+  if (prefs.curl) {
     ret.curl = 'curl';
 
     for (let i in headerVisitor.headers) {
       let h = headerVisitor.headers[i];
-      if (h.substring(0, 15).toLowerCase() == 'accept-encoding' && prefs['remove_accept_encoding'])
+      if (h.substring(0, 15).toLowerCase() == 'accept-encoding' && prefs.remove_accept_encoding)
         continue;
       ret.curl += ' --header ' + escapeShellArg(h);
     }
@@ -121,12 +121,12 @@ function getDownloadCommands(httpChannel, filename) {
   }
 
   // Generating aria2 command
-  if (prefs['aria2'] && (requestMethod == 'GET' && !payload)) {
+  if (prefs.aria2 && (requestMethod == 'GET' && !payload)) {
     ret.aria2 = 'aria2c';
 
     for (let i in headerVisitor.headers) {
       let h = headerVisitor.headers[i];
-      if (h.substring(0, 15).toLowerCase() == 'accept-encoding' && prefs['remove_accept_encoding'])
+      if (h.substring(0, 15).toLowerCase() == 'accept-encoding' && prefs.remove_accept_encoding)
         continue;
       ret.aria2 += ' --header ' + escapeShellArg(h);
     }
@@ -167,7 +167,7 @@ function createDownloadElement(window, cmdtype, cmd) {
   button.onclick = function () {
     clipboard.set(cmd);
     window.close();
-  }
+  };
 
   return vbox;
 }
@@ -182,7 +182,7 @@ function copyCommandForUri(uri, type) {
       event.subject.QueryInterface(Ci.nsIRequest).cancel(0);
       events.off('http-on-modify-request', listener);
     }
-  };
+  }
 
   events.on('http-on-modify-request', listener);
 
@@ -204,17 +204,17 @@ exports.main = function() {
       else {
         menuItems = [];
         for (var t in arg) {
-          if (prefs['curl'])
+          if (prefs.curl)
             menuItems.push(contextMenu.Item({
               label: 'Copy curl for ' + t,
               data: JSON.stringify({uri: arg[t], type: 'curl'})
             }));
-          if (prefs['wget'])
+          if (prefs.wget)
             menuItems.push(contextMenu.Item({
               label: 'Copy wget for ' + t,
               data: JSON.stringify({uri: arg[t], type: 'wget'})
             }));
-          if (prefs['aria2'])
+          if (prefs.aria2)
             menuItems.push(contextMenu.Item({
               label: 'Copy aria2 for ' + t,
               data: JSON.stringify({uri: arg[t], type: 'aria2'})
@@ -281,11 +281,13 @@ var DownloadHelper = Class({
 
   QueryInterface: function(interface) {
     var srv = this.originalService.QueryInterface(interface);
-    for (let i in srv)
-      if (!(i in this))
+    for (let i in srv) {
+      if (!(i in this)) {
         this[i] = function() {
           return srv[i].apply(srv, arguments);
-        };
+        }; /* TODO: fix this. */ // jshint ignore:line
+      }
+    }
     return this;
   },