Steal Modularity Example for SystemJS

system-steal-plugin.js

// add the steal format as the first priority check
System.formats.unshift('steal');

// create the steal format detection
var stealRegEx = /(?:^\s*|[}{\(\);,\n\?\&]\s*)steal\s*\(\s*((?:"[^"]+"\s*,|'[^']+'\s*,\s*)*)/;
System.format.steal = {
  detect: function(source, load) {
    var match = source.match(stealRegEx);
    if (match)
      return match[1] ? eval(match[1].substr(0, match[1].lastIndexOf(','))) : [];
  },
  execute: function(load, depMap, global, execute) {
    var output;
    global.steal = function() {
      var dependencies = [], factory;
      for (var i = 0; i < arguments.length; i++) {
        if (typeof arguments[i] == 'string')
          dependencies.push(depMap[arguments[i]]);
        else
          factory = arguments[i];
      }
      output = factory.apply(global, dependencies);
    }

    execute();

    return output;
  }
};