text: var parse = require('inline-style-parser');
  
  /**
   * Parses inline style to object.
   *
   * @example
   * // returns { 'line-height': '42' }
   * StyleToObject('line-height: 42;');
   *
   * @param  {String}      style      - The inline style.
   * @param  {Function}    [iterator] - The iterator function.
   * @return {null|Object}
   */
  function StyleToObject(style, iterator) {
    var output = null;
    if (!style || typeof style !== 'string') {
      return output;
    }
  
    var declaration;
    var declarations = parse(style);
    var hasIterator = typeof iterator === 'function';
    var property;
    var value;
  
    for (var i = 0, len = declarations.length; i < len; i++) {
      declaration = declarations[i];
      property = declaration.property;
      value = declaration.value;
  
      if (hasIterator) {
        iterator(property, value, declaration);
      } else if (value) {
        output || (output = {});
        output[property] = value;
      }
    }
  
    return output;
  }
  
  module.exports = StyleToObject;
  