showdown interview extension

showdown-interview.js

(function () {
  var interview = function () {
    return [
      { type: 'output', filter: function(source){
        var questionRegex = /(<p>)(<strong>)?(Q|speaker): /gi;
        return source.replace(questionRegex, function(match, p, s, i) {
          var cssClass;
          if (i.toLowerCase() == 'q') { cssClass= 'text-question'; }
          if (i.toLowerCase() == 'speaker') { cssClass = 'text-speaker'; }
          if (s) {
            return '<p class="'+cssClass+'">'+s;
          }
          return '<p class="'+cssClass+'">';
        });
      }}
    ];
  };

  // Client-side export
  if (typeof window !== 'undefined' && window.Showdown && window.Showdown.extensions) {
    window.Showdown.extensions.interview = interview;
  }
}());