source: other-projects/playing-in-the-street/summer-2013/trunk/Playing-in-the-Street-WPF/Content/Web/mrdoob-three.js-4862f5f/utils/build/build.js@ 28897

var fs = require("fs");
var path = require("path");
var argparse =  require( "argparse" );
var uglify = require("uglify-js2");
var spawn = require('child_process').spawn;

function main() {

    "use strict";

    var parser = new argparse.ArgumentParser();
    parser.addArgument( ['--include'], { action: 'append', required: true } );
    parser.addArgument( ['--externs'], { action: 'append', defaultValue: ['./externs/common.js'] } );
    parser.addArgument( ['--minify'], { action: 'storeTrue', defaultValue: false } );
    parser.addArgument( ['--output'], { defaultValue: '../../build/three.js' } );
    parser.addArgument( ['--sourcemaps'], { action: 'storeTrue', defaultValue: false } );

    
    var args = parser.parseArgs();
    
    var output = args.output;
    console.log(' * Building ' + output);
    
    var sourcemap = '';
    var sourcemapping = '';

    if ( args.sourcemaps ){

        sourcemap = output + '.map';
        sourcemapping = '\n//@ sourceMappingURL=' + sourcemap;

    }

    var buffer = [];
    var sources = [];

    for ( var i = 0; i < args.include.length; i ++ ){
        
        var contents = fs.readFileSync( './includes/' + args.include[i] + '.json', 'utf8' );
        var files = JSON.parse( contents );

        for ( var j = 0; j < files.length; j ++ ){

            var file = '../../' + files[ j ];
            sources.push( file );
            buffer.push( fs.readFileSync( file, 'utf8' ) );

        }

    }

    console.log( buffer.length );
    var temp = buffer.join( '' );
    
    if ( !args.minify ){

        fs.writeFileSync( output,temp, 'utf8' );

    } else {

        var result = uglify.minify( sources, { outSourceMap: sourcemap } );
        
        fs.writeFileSync( output, result.code + sourcemapping, 'utf8' );

        if ( args.sourcemaps ) {

            fs.writeFileSync( sourcemap, result.map, 'utf8' );

        }

    }

}

main();