javascriptでヒアドキュメント風

heredoc.js

Function.prototype.heredoc = function() {
  return this.toString().match(/[^]*\/\*([^]*)\*\/\}$/)[1].replace(/^\n/, "");
};

var doc = (function() {/*
hoge hoge
  fuga fuga
    piyo piyo
*/}).heredoc();

alert(doc);