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generate.js
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generate.js
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/**
* New App Generator
* -----------------
* Generates skeleton files needed to create a new SocketStream application
*/
'use strict';
require('colors');
var fs = require('fs'),
path = require('path'),
log = console.log,
dir_mode = '0755',
// Private
success = function(name, alternative) {
return log(' ✓'.green, name, (alternative || '').grey);
},
// TODO - investigate whether this would be better
// using the async version of fs.mkdir - PJENSEN
makeRootDirectory = function (name) {
try {
fs.mkdirSync(name, dir_mode); // Create the root directory
return true;
} catch (e) {
if (e.code === 'EEXIST') {
log('Sorry the \'' + name + '\' directory already exists. Please choose another name for your app.');
return false;
} else {
throw e;
}
}
};
exports.generate = function(program) {
var appjs,
codeExtension = program.coffee && 'coffee' || 'js',
selectedFormatters = [],
name = program.args[1],
source = path.join(__dirname, '../../new_project'),
viewExtension = program.jade && 'jade' || 'html',
styleExtension = '',
mods = [],
packagejs = '',
clientFiles = {
css: [],
code: []
},
/**
* [mkdir description]
* @param {String} dir Directory path to create
* @return {Boolean} True if directory successfully created
*/
mkdir = function(dir) {
return fs.mkdirSync(path.join(name, dir), dir_mode);
},
/**
* Copy files/directories
* @param {[String} src Copy From directory
* @param {[String} dest Copy To directory
* @return {Object} Stream object
*/
cp = function(src, dest) {
var destination = path.join(name, dest || src),
read = fs.createReadStream(path.join(source, src)),
write = fs.createWriteStream(destination);
return read.pipe(write);
},
/**
* Writes content to the file
* @param {String} fileName The filepath to write to
* @param {[type]} content Content string
* @return {Boolean}
*/
write = function(fileName, content) {
return fs.writeFileSync(path.join(name, fileName), content, 'utf8');
};
/* Check for application name existing */
if (name === void 0) {
return log('Please provide a name for your application: $> socketstream new <MyAppName>');
}
/* Select stylesheet language */
if (program.less) {
styleExtension = 'less';
}
else if (program.stylus) {
styleExtension = 'styl';
}
else {
styleExtension = 'css';
}
/* Select formatters for file extensions */
if (makeRootDirectory(name)) {
['coffee', 'jade', 'less', 'stylus'].forEach(function(formatter) {
if (program[formatter]) {
return selectedFormatters.push(formatter);
}
});
/* Create essential directories */
mkdir('/client');
mkdir('/client/code');
mkdir('/client/code/app');
mkdir('/client/code/libs');
mkdir('/client/views');
mkdir('/client/css');
mkdir('/client/css/libs');
mkdir('/client/templates');
mkdir('/client/static');
mkdir('/client/static/images');
mkdir('/server');
mkdir('/server/rpc');
mkdir('/server/middleware');
/* Copy essential files */
cp('/scm_ignore_file', '/.gitignore');
cp('/node_monitor_ignore_file', '/.nodemonignore');
cp('/README.md');
cp('/client/static/favicon.ico');
cp('/client/code/libs/jquery.min.js');
cp('/client/code/app/entry.' + codeExtension);
clientFiles.code.push('../node_modules/es6-shim/es6-shim.js');
clientFiles.code.push('libs/jquery.min.js');
clientFiles.code.push('app');
/* Install chat demo files */
if (program.minimal) {
cp('/client/views/app.minimal.' + viewExtension, '/client/views/app.' + viewExtension);
cp('/client/code/app/app.minimal.' + codeExtension, '/client/code/app/app.' + codeExtension);
cp('/client/css/app.minimal.' + styleExtension, '/client/css/app.' + styleExtension);
cp('/server/rpc/.gitkeep');
cp('/server/middleware/.gitkeep');
cp('/client/templates/.gitkeep');
clientFiles.css.push('app.' + styleExtension);
} else {
cp('/client/static/images/logo.png');
cp('/client/code/app/app.demo.' + codeExtension, '/client/code/app/app.' + codeExtension);
cp('/server/middleware/example.' + codeExtension);
cp('/server/rpc/demo.' + codeExtension);
cp('/client/css/app.demo.' + styleExtension, '/client/css/app.' + styleExtension);
mkdir('/client/templates/chat');
cp('/client/templates/chat/message.' + viewExtension);
cp('/client/views/app.demo.' + viewExtension, '/client/views/app.' + viewExtension);
clientFiles.css.push('../node_modules/normalize.css/normalize.css');
clientFiles.css.push('app.' + styleExtension);
}
/* Generate app.js */
appjs = '// My SocketStream 0.4 app\n\nvar ss = require(\'socketstream\');\n\n'+
'// Define a single-page client called \'main\'\nss.client.define(\'main\', {\n view: \'app.' + viewExtension + '\',\n css: [\'' + (clientFiles.css.join('\', \'')) + '\'],\n code: [\'' + (clientFiles.code.join('\', \'')) + '\'],\n tmpl: \'chat\'\n});\n\n// Serve this client on the root URL\nss.http.route(\'/\', function(req, res){\n res.serveClient(\'main\');\n});\n';
/* List any selected formatters */
if (selectedFormatters.length > 0) {
appjs += '\n// Code Formatters\n';
}
selectedFormatters.forEach(function (name) {
return appjs += 'ss.client.formatters.add(require(\'ss-' + name + '\'));\n';
});
appjs += '\n// Use server-side compiled Hogan (Mustache) templates. Others engines available\n'+
'ss.client.templateEngine.use(require(\'ss-hogan\'));\n\n// Minimize and pack assets if you type: SS_ENV=production node app.js\n'+
'if (ss.env === \'production\') ss.client.packAssets();\n';
if (program.repl) {
appjs += '\n// Start Console Server (REPL)\n// To install client: sudo npm install -g ss-console\n'+
'// To connect: ss-console <optional_host_or_port>\nvar consoleServer = require(\'ss-console\')(ss);\nconsoleServer.listen(5000);\n';
}
appjs += '\n// Start SocketStream\nss.start();';
write('/app.js', appjs);
/* Generate package.json */
packagejs = '{\n "name": "' + name + '",\n "description": "An awesome real time application",\n "version": "0.0.1",\n'+
' "author": "Me <me@mydomain.com>",\n "private": true,\n "engines": { "node": ">= 0.10.0" },\n "dependencies": {';
packagejs += '\n "socketstream": "0.4.x"';
mods = selectedFormatters.concat(['hogan']);
if (program.repl) {
mods.push('console');
}
mods.forEach(function (name) {
return packagejs += ',\n "ss-' + name + '": "0.1.x"';
});
packagejs += '\n },\n "scripts":{\n "start":"node app.js"\n }\n}';
write('/package.json', packagejs);
/* Show finish text */
log(('Success! Created app \'' + name + '\' with:').yellow);
if (program.minimal) {
success('Minimal install (no demo)');
} else {
success('Basic chat demo', '(-m for minimal install)');
}
if (program.coffee) {
success('CoffeeScript example code');
} else {
success('Javascript example code', '(-c if you prefer CoffeeScript)');
}
if (program.jade) {
success('Jade for views');
} else {
success('Plain HTML for views', '(-j if you prefer Jade)');
}
if (program.less) {
success('Less for CSS');
} else if (program.stylus) {
success('Stylus for CSS')
} else {
success('Plain CSS', '(-s if you prefer Stylus, -l for Less)');
}
/* Add the REPL if selected */
if (program.repl) {
success('Console Server / REPL');
}
log('Next, run the following commands:'.yellow);
log(' cd ' + name);
log(' [sudo] npm install');
log('To start your app:'.yellow);
log(' node app.js');
}
};