增加类库

+/**
+ * 对象键名驼峰化
+ * @author: Bi Kai<kai.bi@yoho.cn>
+ * @date: 2016/05/09
+ */
+'use strict';
+const _ = require('lodash');
+
+let camelCase,
+    camelCaseObject,
+    camelCaseArray;
+
+camelCaseObject = (obj) => {
+    _.forEach(Object.keys(obj), (k) => {
+        obj[k] = camelCase(obj[k]);
+        obj[_.camelCase(k)] = obj[k];
+    });
+    return obj;
+};
+
+camelCaseArray = (list) => {
+    _.forEach(list, (k) => {
+        k = camelCase(k);
+    });
+    return list;
+};
+
+camelCase = (data) => {
+    if (_.isObject(data)) {
+        data = camelCaseObject(data);
+    }
+
+    if (_.isArray(data)) {
+        data = camelCaseArray(data);
+    }
+
+    return data;
+};
+
+module.exports = camelCase;

-/*
- * @Author: Targaryen
- * @Date:   2016-05-10 10:11:34
- * @Last Modified by:   Targaryen
- * @Last Modified time: 2016-05-12 11:25:53
+/**
+ * Handlebars helpers
+ * bikai kai.bi@yoho.cn
+ * 2016-05-10
  */
-/* -----------------------------------------
- * 实现 PHP 的 Helpers 函数
- * -----------------------------------------
- */
-
 'use strict';
-
-const SUB_DOMAIN = '.yohobuy.com';
-const SITE_MAIN = 'http://www.yohobuy.com';
+const querystring = require('querystring');
 const _ = require('lodash');
+const config = require('../config/common');
 
-class HELPERS {
-
-    /**
-     * 构建网站的URL
-     * @param uri String
-     * @param param Array
-     * @param module String
-     */
-    url(uri, param, module) {
-        let url = '';
-
-        if (module === null) {
-            module = 'index';
-        }
-        switch (module) {
-            case 'default':
-                url = 'http://m.yohobuy.com';
-                break;
-            case 'guang':
-                url = 'http://guang' + SUB_DOMAIN;
-                break;
-            case 'list':
-                url = 'http://list' + SUB_DOMAIN;
-                break;
-            case 'search':
-                url = 'http://search' + SUB_DOMAIN;
-                break;
-            case 'index':
-                url = SITE_MAIN;
-                break;
-            case '':
-                break;
-            case undefined:
-                break;
-            default:
-                url = 'http://' + module + SUB_DOMAIN;
-                break;
-        }
+/**
+ * 七牛图片路径处理
+ * @param  {[tring]} url
+ * @param  {[tring]} width
+ * @param  {[tring]} height
+ * @param  {[tring]} mode
+ * @return {[tring]}
+ */
+exports.image = (url, width, height, mode) => {
+    mode = _.isNumber(mode) ? mode : 2;
+    url = url || '';
+    return url.replace(/{width}/g, width).replace(/{height}/g, height).replace(/{mode}/g, mode);
+};
 
-        url += uri;
-        if (param !== null && param !== undefined) {
-            url += '?';
-            _.forEach(param, function(value, key) {
-                url += (key + '=' + value + '&');
-            });
-        }
-        if (url.substr(-1, 1) === '&') {
-            return url.substr(0, url.length - 1);
-        } else {
-            return url;
-        }
+/**
+ * 站内地址格式化
+ * @param  {[string]} uri 路径
+ * @param  {[object]} qs 查询字符串
+ * @param  {[string]} module 模块
+ * @return {[string]}
+ */
+exports.url = (uri, qs, module) => {
+    const subDomain = '.m.yohobuy.com';
+    const subName = {
+        default: config.siteUrl,
+        guang: '//guang' + subDomain,
+        list: '//list' + subDomain,
+        search: '//search' + subDomain,
+        huodong: '//huodong' + subDomain,
+        activity: '//activity.yohobuy.com',
+        index: config.siteUrl
+    };
+    let url;
 
+    module = module || 'default';
+    if (subName[module]) {
+        url = subName[module];
+    } else {
+        url = '//' + module + subDomain; // 规则没匹配到就把模块当作子域名
     }
 
-    /**
-     * 根据尺寸获得图片url
-     * @param uri String
-     * @param param Array
-     * @param module String
-     */
-    getImageUrl(url, width, height, mode) {
-        if (mode === null) {
-            mode = 2;
-        }
-        return url.replace(/{width}/g, width)
-            .replace(/{height}/g, height)
-            .replace(/{mode}/g, mode);
+    url += uri;
+    if (qs) {
+        url += '?' + querystring.stringify(qs);
     }
-}
 
-module.exports = HELPERS;
+    return url;
+};
+
+
+/**
+ * 大写转小写处理
+ * @param  {[string]} str 转换字符
+ */
+exports.lowerCase = (str) => {
+    str = str || '';
+    return str.toLowerCase();
+};
+
+/**
+ * 小写转大写处理
+ * @param  {[string]} str 转换字符
+ */
+exports.upperCase = (str) => {
+    str = str || '';
+    return str.toUpperCase();
+};