setup

#!/usr/bin/env node


// Make sure working folder is the same as this file
process.chdir(__dirname);

// Check node_modules folder
var fs      = require('fs');
var base    = __dirname + '/node_modules';
var modules = [];
try {
    var files = fs.readdirSync(base);
    
    // Only read the directories
    for (var i in files) {
        var file = files[i];
        var stat = fs.statSync(base + '/' + files[i]);
        if (stat.isDirectory())
            modules.push(file);
    }
}
catch(e) {}

// Get the list of dependencies that we need
var installList = [];
var dependencies = JSON.parse(fs.readFileSync('./package.json', 'utf-8')).dependencies;
var needed = Object.keys(dependencies);

for (var i in needed) {
    var dep = needed[i];
    if (-1 === modules.indexOf(dep))
        installList.push('"' + dep + '@' + dependencies[dep] + '"');
}

if (installList.length > 0) {
    var cmd = 'npm install ' + installList.join(' ');
    
    var exec = require('child_process').exec;
    console.log('Running ' + cmd);
    exec(cmd, {}, function(err, stdout, stderr) {
        if (err)
            console.log(err);
        else 
            console.log(stdout);
    });
}
else {
    console.log('Nothing to install');
}