text: /*!
   * arr-diff <https://github.com/jonschlinkert/arr-diff>
   *
   * Copyright (c) 2014 Jon Schlinkert, contributors.
   * Licensed under the MIT License
   */
  
  'use strict';
  
  var flatten = require('arr-flatten');
  var slice = require('array-slice');
  
  /**
   * Return the difference between the first array and
   * additional arrays.
   *
   * ```js
   * var diff = require('{%= name %}');
   *
   * var a = ['a', 'b', 'c', 'd'];
   * var b = ['b', 'c'];
   *
   * console.log(diff(a, b))
   * //=> ['a', 'd']
   * ```
   *
   * @param  {Array} `a`
   * @param  {Array} `b`
   * @return {Array}
   * @api public
   */
  
  function diff(arr, arrays) {
    var argsLen = arguments.length;
    var len = arr.length, i = -1;
    var res = [], arrays;
  
    if (argsLen === 1) {
      return arr;
    }
  
    if (argsLen > 2) {
      arrays = flatten(slice(arguments, 1));
    }
  
    while (++i < len) {
      if (!~arrays.indexOf(arr[i])) {
        res.push(arr[i]);
      }
    }
    return res;
  }
  
  /**
   * Expose `diff`
   */
  
  module.exports = diff;
  