githubmirror/lodash

wrapperReverse.js

45 строк1 KB

John-David Dalton

Bump to v4.7.0.

31 мар 2016, 10:33

31 мар 2016, 10:33d46bcaa

define(['./_LazyWrapper', './_LodashWrapper', './reverse', './thru'], function(LazyWrapper, LodashWrapper, reverse, thru) {

  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
  var undefined;

  /**
   * This method is the wrapper version of `_.reverse`.
   *
   * **Note:** This method mutates the wrapped array.
   *
   * @name reverse
   * @memberOf _
   * @since 0.1.0
   * @category Seq
   * @returns {Object} Returns the new `lodash` wrapper instance.
   * @example
   *
   * var array = [1, 2, 3];
   *
   * _(array).reverse().value()
   * // => [3, 2, 1]
   *
   * console.log(array);
   * // => [3, 2, 1]
   */
  function wrapperReverse() {
    var value = this.__wrapped__;
    if (value instanceof LazyWrapper) {
      var wrapped = value;
      if (this.__actions__.length) {
        wrapped = new LazyWrapper(this);
      }
      wrapped = wrapped.reverse();
      wrapped.__actions__.push({
        'func': thru,
        'args': [reverse],
        'thisArg': undefined
      });
      return new LodashWrapper(wrapped, this.__chain__);
    }
    return this.thru(reverse);
  }

  return wrapperReverse;
});