lib/index.js

   1 /**
   2  * term.js - an xterm emulator
   3  * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
   4  * https://github.com/chjj/term.js
   5  */
   6
   7 function term(options) {
   8   return new term.Terminal(options);
   9 }
  10
  11 term.middleware = function(options) {
  12   var url = require('url');
  13
  14   options = options || {};
  15   options.path = options.path || '/term.js';
  16
  17   return function(req, res, next) {
  18     if (url.parse(req.url).pathname !== options.path) {
  19       return next();
  20     }
  21
  22     if (+new Date(req.headers['if-modified-since']) === term.last) {
  23       res.statusCode = 304;
  24       res.end();
  25       return;
  26     }
  27
  28     res.writeHead(200, {
  29       'Content-Type': 'application/javascript; charset=utf-8',
  30       'Content-Length': Buffer.byteLength(term.script),
  31       'Last-Modified': term.last
  32     });
  33
  34     res.end(term.script);
  35   };
  36 };
  37
  38 term.path = __dirname + '/../src/term.js';
  39
  40 term.__defineGetter__('script', function() {
  41   if (term._script) return term._script;
  42   term.last = +new Date;
  43   return term._script = require('fs').readFileSync(term.path, 'utf8');
  44 });
  45
  46 term.__defineGetter__('Terminal', function() {
  47   if (term._Terminal) return term._Terminal;
  48   return term._Terminal = require('../src/term');
  49 });
  50
  51 /**
  52  * Expose
  53  */
  54
  55 module.exports = term;