jslint compliant

webssh/static/js/main.js

@@ -1,9 +1,117 @@
+var jQuery;
+var wssh = {};
+
+
 jQuery(function($){
+  /*jslint browser:true */
 
   var status = $('#status'),
       btn = $('.btn-primary'),
       style = {};
 
+
+  function parse_xterm_style() {
+    var text = $('.xterm-helpers style').text();
+    var arr = text.split('xterm-normal-char{width:');
+    style.width = parseFloat(arr[1]);
+    arr = text.split('div{height:');
+    style.height = parseFloat(arr[1]);
+  }
+
+
+  function current_geometry() {
+    if (!style.width || !style.height) {
+      parse_xterm_style();
+    }
+
+    var cols = parseInt(window.innerWidth / style.width, 10) - 1;
+    var rows = parseInt(window.innerHeight / style.height, 10);
+    return {'cols': cols, 'rows': rows};
+  }
+
+
+  function resize_term(term, sock) {
+    var geometry = current_geometry(),
+        cols = geometry.cols,
+        rows = geometry.rows;
+    // console.log([cols, rows]);
+    // console.log(term.geometry);
+
+    if (cols !== term.geometry[0] || rows !== term.geometry[1]) {
+      console.log('resizing term');
+      term.resize(cols, rows);
+      sock.send(JSON.stringify({'resize': [cols, rows]}));
+    }
+  }
+
+
+  function callback(msg) {
+    // console.log(msg);
+    if (msg.status) {
+      status.text(msg.status);
+      setTimeout(function(){
+        btn.prop('disabled', false);
+      }, 3000);
+      return;
+    }
+
+    var ws_url = window.location.href.replace('http', 'ws'),
+        join = (ws_url[ws_url.length-1] === '/' ? '' : '/'),
+        url = ws_url + join + 'ws?id=' + msg.id,
+        sock = new window.WebSocket(url),
+        terminal = document.getElementById('#terminal'),
+        term = new window.Terminal({
+          cursorBlink: true,
+        });
+
+    console.log(url);
+    wssh.sock = sock;
+    wssh.term = term;
+
+    term.on('data', function(data) {
+      // console.log(data);
+      sock.send(JSON.stringify({'data': data}));
+    });
+
+    sock.onopen = function() {
+      $('.container').hide();
+      term.open(terminal, true);
+      term.toggleFullscreen(true);
+    };
+
+    sock.onmessage = function(msg) {
+      var reader = new window.FileReader();
+
+      reader.onloadend = function(){
+        var decoder = new window.TextDecoder();
+        var text = decoder.decode(reader.result);
+        // console.log(text);
+        term.write(text);
+        if (!term.resized) {
+          resize_term(term, sock);
+          term.resized = true;
+        }
+      };
+
+      reader.readAsArrayBuffer(msg.data);
+    };
+
+    sock.onerror = function(e) {
+      console.log(e);
+    };
+
+    sock.onclose = function(e) {
+      console.log(e);
+      term.destroy();
+      wssh.term = undefined;
+      wssh.sock = undefined;
+      $('.container').show();
+      status.text(e.reason);
+      btn.prop('disabled', false);
+    };
+  }
+
+
   $('form#connect').submit(function(event) {
       event.preventDefault();
 
@@ -39,104 +147,9 @@ jQuery(function($){
   });
 
 
-  function parse_xterm_style() {
-    var text = $('.xterm-helpers style').text();
-    var arr = text.split('xterm-normal-char{width:');
-    style.width = parseFloat(arr[1]);
-    arr = text.split('div{height:');
-    style.height = parseFloat(arr[1]);
-  }
-
-
-  function current_geometry() {
-    if (!style.width || !style.height) {
-      parse_xterm_style();
-    }
-    cols = parseInt(window.innerWidth / style.width) - 1;
-    rows = parseInt(window.innerHeight / style.height);
-    return {'cols': cols, 'rows': rows};
-  }
-
-
-  function resize_term(term, socket) {
-    var geometry = current_geometry(),
-        cols = geometry.cols,
-        rows = geometry.rows;
-    // console.log([cols, rows]);
-    // console.log(term.geometry);
-    if (cols != term.geometry[0] || rows != term.geometry[1]) {
-      console.log('resizing term');
-      term.resize(cols, rows);
-      socket.send(JSON.stringify({'resize': [cols, rows]}));
-    }
-  }
-
-
-  function callback(msg) {
-    // console.log(msg);
-    if (msg.status) {
-      status.text(msg.status);
-      setTimeout(function(){
-        btn.prop('disabled', false);
-      }, 3000);
-      return;
-    }
-
-    var ws_url = window.location.href.replace('http', 'ws'),
-        join = (ws_url[ws_url.length-1] == '/' ? '' : '/'),
-        url = ws_url + join + 'ws?id=' + msg.id,
-        terminal = document.getElementById('#terminal');
-        socket = new WebSocket(url);
-        term = new Terminal({
-          cursorBlink: true,
-        });
-
-    console.log(url);
-    term.on('data', function(data) {
-      // console.log(data);
-      socket.send(JSON.stringify({'data': data}));
-    });
-
-    socket.onopen = function(e) {
-      $('.container').hide();
-      term.open(terminal, true);
-      term.toggleFullscreen(true);
-    };
-
-    socket.onmessage = function(msg) {
-      var reader = new FileReader();
-      reader.onloadend = function(event){
-        var decoder = new TextDecoder();
-        var text = decoder.decode(reader.result);
-        // console.log(text);
-        term.write(text);
-        if (!term.resized) {
-          resize_term(term, socket);
-          term.resized = true;
-        }
-      };
-      reader.readAsArrayBuffer(msg.data);
-    };
-
-    socket.onerror = function(e) {
-      console.log(e);
-    };
-
-    socket.onclose = function(e) {
-      console.log(e);
-      term.destroy();
-      term = undefined;
-      socket = undefined;
-      $('.container').show();
-      status.text(e.reason);
-      btn.prop('disabled', false);
-    };
-  }
-
-
   $(window).resize(function(){
-    if (typeof term != 'undefined' && typeof socket != 'undefined') {
-      resize_term(term, socket);
+    if (wssh.term && wssh.sock) {
+      resize_term(wssh.term, wssh.sock);
     }
   });