var makeString = require('./helper/makeString');
  var htmlEntities = require('./helper/htmlEntities');
  
  module.exports = function unescapeHTML(str) {
    return makeString(str).replace(/\&([^;]+);/g, function(entity, entityCode) {
      var match;
  
      if (entityCode in htmlEntities) {
        return htmlEntities[entityCode];
      /*eslint no-cond-assign: 0*/
      } else if (match = entityCode.match(/^#x([\da-fA-F]+)$/)) {
        return String.fromCharCode(parseInt(match[1], 16));
      /*eslint no-cond-assign: 0*/
      } else if (match = entityCode.match(/^#(\d+)$/)) {
        return String.fromCharCode(~~match[1]);
      } else {
        return entity;
      }
    });
  };