build

#!/usr/bin/env node

var fs = require('fs');

var toBuild = {
  'built/simland.js' : [ 'lib/helper.js', 'lib/simland.js', 'lib/square.js' ],
  'built/simland.css' : [ 'lib/simland.css', 'lib/simland-things.css' ]
};

try {
  fs.statSync('built');
} catch(err) {
  if (err.code=='ENOENT') fs.mkdirSync('built');
  else throw err;
}

var licence = fs.readFileSync('lib/simland.js', 'utf8')
                .toString().replace(/\*\/[\s\S]*$/, '*/');

// TODO: replace by a real minifier
function minify(code) {
  return code.toString()
             .replace(/\/\*([^*]*(\*(?!\/))?)*\*\//g,'') // multiline comments
             .replace(/\/\/.*\n/g,'')  // in-line comments
             .replace(/\s+/g,' ');     // join lines and remove multiple spaces
}

// TODO: protect UTF8 chars
for ( target in toBuild ) {
  var code;
  if ( /\.js$/.test(target) ) {
    code = licence+'\n(function (exports) {\n';
  } else {
    code = licence+'\n';
  }
  for( var piece,i=0; piece=toBuild[target][i]; i++ ) {
    console.log( piece +( i==0 ? ' => ' : ' +> ' )+ target );
    code += minify( fs.readFileSync(piece, 'utf8') );
  }
  if ( /\.js$/.test(target) ) code += '\n})(this);';
  fs.writeFileSync(target, code, 'utf8');
}

try {
  fs.statSync('built/imgs');
} catch(err) {
  if (err.code=='ENOENT') fs.symlinkSync('../imgs', 'built/imgs');
  else throw err;
}