code: function compileFile(file, src) {
    var compiled;
    compiled = compile(file, src, exports.traceurOverrides);
    if (compiled.error) throw new Error(compiled.error);
  
    return compiled.source;
  }
docs: Compile function, exposed to be used from other libraries, not needed when using es6ify as a transform.
  
  @name es6ify::compileFile
  @function
  @param {string} file name of the file that is being compiled to ES5
  @param {string} src source of the file being compiled to ES5
  @return {string} compiled source