docs: function phaserShimDebug(source) {
    this.cacheable && this.cacheable();
  
    source = source.replace(/(var\s+ui\s*=\s*require\('\.\/util\/ui'\))/, 'var Phaser = _Phaser; $1');
    source = '(function () { var _Phaser = require("phaser").Phaser;\n\n' + source + '\n\n}());';
  
    return source;
  }