wrap.js

define(['./identity', './partial'], function(identity, partial) {

  /**
   * Creates a function that provides `value` to `wrapper` as its first
   * argument. Any additional arguments provided to the function are appended
   * to those provided to the `wrapper`. The wrapper is invoked with the `this`
   * binding of the created function.
   *
   * @static
   * @memberOf _
   * @since 0.1.0
   * @category Function
   * @param {*} value The value to wrap.
   * @param {Function} [wrapper=identity] The wrapper function.
   * @returns {Function} Returns the new function.
   * @example
   *
   * var p = _.wrap(_.escape, function(func, text) {
   *   return '<p>' + func(text) + '</p>';
   * });
   *
   * p('fred, barney, & pebbles');
   * // => '<p>fred, barney, &amp; pebbles</p>'
   */
  function wrap(value, wrapper) {
    wrapper = wrapper == null ? identity : wrapper;
    return partial(wrapper, value);
  }

  return wrap;
});