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편집 파일: wrapperReverse.js

var LazyWrapper = require('../internal/LazyWrapper'), LodashWrapper = require('../internal/LodashWrapper'), thru = require('./thru'); /** * Reverses the wrapped array so the first element becomes the last, the * second element becomes the second to last, and so on. * * **Note:** This method mutates the wrapped array. * * @name reverse * @memberOf _ * @category Chain * @returns {Object} Returns the new reversed `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__; var interceptor = function(value) { return value.reverse(); }; if (value instanceof LazyWrapper) { var wrapped = value; if (this.__actions__.length) { wrapped = new LazyWrapper(this); } wrapped = wrapped.reverse(); wrapped.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined }); return new LodashWrapper(wrapped, this.__chain__); } return this.thru(interceptor); } module.exports = wrapperReverse;