lodash/omitBy.js

define(['./_baseIteratee', './_basePickBy'], function(baseIteratee, basePickBy) {

  /**
   * The opposite of `_.pickBy`; this method creates an object composed of
   * the own and inherited enumerable properties of `object` that `predicate`
   * doesn't return truthy for. The predicate is invoked with two arguments:
   * (value, key).
   *
   * @static
   * @memberOf _
   * @category Object
   * @param {Object} object The source object.
   * @param {Function|Object|string} [predicate=_.identity] The function invoked per property.
   * @returns {Object} Returns the new object.
   * @example
   *
   * var object = { 'a': 1, 'b': '2', 'c': 3 };
   *
   * _.omitBy(object, _.isNumber);
   * // => { 'b': '2' }
   */
  function omitBy(object, predicate) {
    predicate = baseIteratee(predicate);
    return basePickBy(object, function(value, key) {
      return !predicate(value, key);
    });
  }

  return omitBy;
});