/
express
executable file
·422 lines (366 loc) · 8.92 KB
/
express
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#!/usr/bin/env node
/**
* Module dependencies.
*/
var exec = require('child_process').exec
, program = require('commander')
, mkdirp = require('mkdirp')
, pkg = require('../package.json')
, version = pkg.version
, os = require('os')
, fs = require('fs');
// CLI
program
.version(version)
.option('-s, --sessions', 'add session support')
.option('-e, --ejs', 'add ejs engine support (defaults to jade)')
.option('-J, --jshtml', 'add jshtml engine support (defaults to jade)')
.option('-H, --hogan', 'add hogan.js engine support')
.option('-c, --css <engine>', 'add stylesheet <engine> support (less|stylus) (defaults to plain css)')
.option('-f, --force', 'force on non-empty directory')
.parse(process.argv);
// Path
var path = program.args.shift() || '.';
// end-of-line code
var eol = 'win32' == os.platform() ? '\r\n' : '\n'
// Template engine
program.template = 'jade';
if (program.ejs) program.template = 'ejs';
if (program.jshtml) program.template = 'jshtml';
if (program.hogan) program.template = 'hjs';
/**
* Routes index template.
*/
var index = [
''
, '/*'
, ' * GET home page.'
, ' */'
, ''
, 'exports.index = function(req, res){'
, ' res.render(\'index\', { title: \'Express\' });'
, '};'
].join(eol);
/**
* Routes users template.
*/
var users = [
''
, '/*'
, ' * GET users listing.'
, ' */'
, ''
, 'exports.list = function(req, res){'
, ' res.send("respond with a resource");'
, '};'
].join(eol);
/**
* Jade layout template.
*/
var jadeLayout = [
'doctype 5'
, 'html'
, ' head'
, ' title= title'
, ' link(rel=\'stylesheet\', href=\'/stylesheets/style.css\')'
, ' body'
, ' block content'
].join(eol);
/**
* Jade index template.
*/
var jadeIndex = [
'extends layout'
, ''
, 'block content'
, ' h1= title'
, ' p Welcome to #{title}'
].join(eol);
/**
* EJS index template.
*/
var ejsIndex = [
'<!DOCTYPE html>'
, '<html>'
, ' <head>'
, ' <title><%= title %></title>'
, ' <link rel=\'stylesheet\' href=\'/stylesheets/style.css\' />'
, ' </head>'
, ' <body>'
, ' <h1><%= title %></h1>'
, ' <p>Welcome to <%= title %></p>'
, ' </body>'
, '</html>'
].join(eol);
/**
* JSHTML layout template.
*/
var jshtmlLayout = [
'<!DOCTYPE html>'
, '<html>'
, ' <head>'
, ' <title> @write(title) </title>'
, ' <link rel=\'stylesheet\' href=\'/stylesheets/style.css\' />'
, ' </head>'
, ' <body>'
, ' @write(body)'
, ' </body>'
, '</html>'
].join(eol);
/**
* JSHTML index template.
*/
var jshtmlIndex = [
'<h1>@write(title)</h1>'
, '<p>Welcome to @write(title)</p>'
].join(eol);
/**
* Hogan.js index template.
*/
var hoganIndex = [
'<!DOCTYPE html>'
, '<html>'
, ' <head>'
, ' <title>{{ title }}</title>'
, ' <link rel=\'stylesheet\' href=\'/stylesheets/style.css\' />'
, ' </head>'
, ' <body>'
, ' <h1>{{ title }}</h1>'
, ' <p>Welcome to {{ title }}</p>'
, ' </body>'
, '</html>'
].join(eol);
/**
* Default css template.
*/
var css = [
'body {'
, ' padding: 50px;'
, ' font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;'
, '}'
, ''
, 'a {'
, ' color: #00B7FF;'
, '}'
].join(eol);
/**
* Default less template.
*/
var less = [
'body {'
, ' padding: 50px;'
, ' font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;'
, '}'
, ''
, 'a {'
, ' color: #00B7FF;'
, '}'
].join(eol);
/**
* Default stylus template.
*/
var stylus = [
'body'
, ' padding: 50px'
, ' font: 14px "Lucida Grande", Helvetica, Arial, sans-serif'
, 'a'
, ' color: #00B7FF'
].join(eol);
/**
* App template.
*/
var app = [
''
, '/**'
, ' * Module dependencies.'
, ' */'
, ''
, 'var express = require(\'express\')'
, ' , routes = require(\'./routes\')'
, ' , user = require(\'./routes/user\')'
, ' , http = require(\'http\')'
, ' , path = require(\'path\');'
, ''
, 'var app = express();'
, ''
, 'app.configure(function(){'
, ' app.set(\'port\', process.env.PORT || 3000);'
, ' app.set(\'views\', __dirname + \'/views\');'
, ' app.set(\'view engine\', \':TEMPLATE\');'
, ' app.use(express.favicon());'
, ' app.use(express.logger(\'dev\'));'
, ' app.use(express.bodyParser());'
, ' app.use(express.methodOverride());{sess}'
, ' app.use(app.router);{css}'
, ' app.use(express.static(path.join(__dirname, \'public\')));'
, '});'
, ''
, 'app.configure(\'development\', function(){'
, ' app.use(express.errorHandler());'
, '});'
, ''
, 'app.get(\'/\', routes.index);'
, 'app.get(\'/users\', user.list);'
, ''
, 'http.createServer(app).listen(app.get(\'port\'), function(){'
, ' console.log("Express server listening on port " + app.get(\'port\'));'
, '});'
, ''
].join(eol);
// Generate application
(function createApplication(path) {
emptyDirectory(path, function(empty){
if (empty || program.force) {
createApplicationAt(path);
} else {
program.confirm('destination is not empty, continue? ', function(ok){
if (ok) {
process.stdin.destroy();
createApplicationAt(path);
} else {
abort('aborting');
}
});
}
});
})(path);
/**
* Create application at the given directory `path`.
*
* @param {String} path
*/
function createApplicationAt(path) {
console.log();
process.on('exit', function(){
console.log();
console.log(' install dependencies:');
console.log(' $ cd %s && npm install', path);
console.log();
console.log(' run the app:');
console.log(' $ node app');
console.log();
});
mkdir(path, function(){
mkdir(path + '/public');
mkdir(path + '/public/javascripts');
mkdir(path + '/public/images');
mkdir(path + '/public/stylesheets', function(){
switch (program.css) {
case 'less':
write(path + '/public/stylesheets/style.less', less);
break;
case 'stylus':
write(path + '/public/stylesheets/style.styl', stylus);
break;
default:
write(path + '/public/stylesheets/style.css', css);
}
});
mkdir(path + '/routes', function(){
write(path + '/routes/index.js', index);
write(path + '/routes/user.js', users);
});
mkdir(path + '/views', function(){
switch (program.template) {
case 'ejs':
write(path + '/views/index.ejs', ejsIndex);
break;
case 'jade':
write(path + '/views/layout.jade', jadeLayout);
write(path + '/views/index.jade', jadeIndex);
break;
case 'jshtml':
write(path + '/views/layout.jshtml', jshtmlLayout);
write(path + '/views/index.jshtml', jshtmlIndex);
break;
case 'hjs':
write(path + '/views/index.hjs', hoganIndex);
break;
}
});
// CSS Engine support
switch (program.css) {
case 'less':
app = app.replace('{css}', eol + ' app.use(require(\'less-middleware\')({ src: __dirname + \'/public\' }));');
break;
case 'stylus':
app = app.replace('{css}', eol + ' app.use(require(\'stylus\').middleware(__dirname + \'/public\'));');
break;
default:
app = app.replace('{css}', '');
}
// Session support
app = app.replace('{sess}', program.sessions
? eol + ' app.use(express.cookieParser(\'your secret here\'));' + eol + ' app.use(express.session());'
: '');
// Template support
app = app.replace(':TEMPLATE', program.template);
// package.json
var pkg = {
name: 'application-name'
, version: '0.0.1'
, private: true
, scripts: { start: 'node app' }
, dependencies: {
express: version
}
}
if (program.template) pkg.dependencies[program.template] = '*';
// CSS Engine support
switch (program.css) {
case 'less':
pkg.dependencies['less-middleware'] = '*';
break;
default:
if (program.css) {
pkg.dependencies[program.css] = '*';
}
}
write(path + '/package.json', JSON.stringify(pkg, null, 2));
write(path + '/app.js', app);
});
}
/**
* Check if the given directory `path` is empty.
*
* @param {String} path
* @param {Function} fn
*/
function emptyDirectory(path, fn) {
fs.readdir(path, function(err, files){
if (err && 'ENOENT' != err.code) throw err;
fn(!files || !files.length);
});
}
/**
* echo str > path.
*
* @param {String} path
* @param {String} str
*/
function write(path, str) {
fs.writeFile(path, str);
console.log(' \x1b[36mcreate\x1b[0m : ' + path);
}
/**
* Mkdir -p.
*
* @param {String} path
* @param {Function} fn
*/
function mkdir(path, fn) {
mkdirp(path, 0755, function(err){
if (err) throw err;
console.log(' \033[36mcreate\033[0m : ' + path);
fn && fn();
});
}
/**
* Exit with the given `str`.
*
* @param {String} str
*/
function abort(str) {
console.error(str);
process.exit(1);
}