nw.js project build script

build.js

// nw.js project building script
////////////////////////////////////////////////////////////////////////////////////

var BUILD_DIR = './build';
var BUILD_CACHE_DIR = './build_cache';
var PLATFORMS = ['osx64', 'win32', 'linux32', 'linux64'];
var NW_VERSION = 'latest';
var BUILD_TYPE = 'versioned';

////////////////////////////////////////////////////////////////////////////////////

var path = require('path');
var everythingFilePrefix = '/**/**';

/**
 * Creates list of development dependencies to exclude from build
 */
function devDependencies() {
    var project_package = require('./package.json');

    if(!project_package['devDependencies']) return [];

    var dependencies = [];
    var project_dependencies = project_package['devDependencies'];
    for(var dependency in project_dependencies) {
        if(project_dependencies.hasOwnProperty(dependency)) {
            dependencies.push('!./node_modules/' + dependency + everythingFilePrefix);
        }
    }
    return dependencies;
}

/**
 * Created list of files to include to or exclude from build
 */
function listBuildFiles() {
    return [
        '.' + everythingFilePrefix,
        '!./' + path.basename(__filename),
        '!' + BUILD_DIR + everythingFilePrefix,
        '!' + BUILD_CACHE_DIR + everythingFilePrefix
    ].concat(devDependencies());
}

////////////////////////////////////////////////////////////////////////////////////

var NwBuilder = require('node-webkit-builder');

var nw = new NwBuilder({
    files: listBuildFiles(),
    platforms: PLATFORMS,
    version: NW_VERSION,
    buildType: BUILD_TYPE,
    buildDir: BUILD_DIR,
    cacheDir: BUILD_CACHE_DIR
});

nw.on('log',  console.log);

nw.build().then(function () {
    console.log('build complete');
}).catch(function (error) {
    console.log('En error occurred while building the project:');
    console.error(error);
});