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var fs = require('fs'),
path = require('path'),
flatiron = require('../../flatiron'),
common = flatiron.common,
app = flatiron.app;
module.exports = function create(name, type, callback) {
type = type || 'http';
name = name || '';
var existsSync = fs.existsSync || path.existsSync,
root = path.join(process.cwd(), name),
scaffold = path.join(__dirname, '..', '..', '..', 'scaffolds', type),
info = {};
if (!existsSync(scaffold)) {
app.log.error('Scaffold named ' + type.yellow + ' does not exist');
return callback();
}
//
// Prompts user for details about their app to put in `package.json`.
//
function prompt (next) {
var fields = ['name', 'author', 'description', 'homepage'];
app.prompt.override = {name: name};
app.prompt.start();
app.prompt.addProperties(info, fields, next);
}
//
// Creates directories specified in `/scaffolds/:type/directories.json`.
//
function createDirs(next) {
var dirs = common.directories.normalize(
common.mixin({}, flatiron.constants.DIRECTORIES, { '#ROOT': root }),
JSON.parse(fs.readFileSync(path.join(scaffold, 'directories.json'), 'utf8'))
);
Object.keys(dirs).forEach(function (name) {
app.log.info('Creating directory ' + name.grey);
});
common.directories.create(dirs, next);
}
//
// Creates files specified in `/scaffolds/:type/files.json`.
//
function createFiles(next) {
var files = common.directories.normalize(
common.mixin({}, flatiron.constants.DIRECTORIES, { '#ROOT': root }),
JSON.parse(fs.readFileSync(path.join(scaffold, 'files.json'), 'utf8'))
);
function copyFile(file, nextFile) {
app.log.info('Writing file ' + file.grey);
common.cpr(path.join(scaffold, file), files[file], nextFile);
}
common.async.mapSeries(Object.keys(files), copyFile, next);
}
//
// Creates a templated package.json from `/scaffolds/:type/package.json`.
//
function createPackage(next) {
var pkg = JSON.parse(fs.readFileSync(path.join(scaffold, 'package.json'), 'utf8'));
pkg.dependencies.flatiron = flatiron.version;
flatiron.common.mixin(pkg, info);
app.log.info('Writing ' + 'package.json'.grey);
fs.writeFile(path.join(root, 'package.json'), JSON.stringify(pkg, null, 2) + '\n', next);
}
app.log.info('Creating application ' + (name ? name.magenta : ''));
app.log.info('Using ' + type.yellow + ' scaffold.');
common.async.series([
prompt,
createDirs,
createPackage,
createFiles
], function onComplete(err) {
if (err) {
if (err.message === 'canceled') {
// Start a new line to make the cancel look pretty.
return process.stdout.write('\n');
}
throw err;
}
app.log.info('Application ' + info.name.magenta + ' is now ready');
callback();
}
);
}
module.exports.usage = [
'Generates a flatiron skeleton application. If no <type>',
'is specified an HTTP application will be created.',
'<type> can currently be either cli or http',
'',
'create <app-name> <type>',
];