# Code coverage report for thinkjs/lib/Lib/Util/Filter.js

## Statements: 100% (50 / 50) Branches: 100% (36 / 36) Functions: 100% (9 / 9) Lines: 100% (50 / 50) Ignored: none

All files » thinkjs/lib/Lib/Util/ » Filter.js

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     /**
     * 过滤器
     * @return {[type]} [description]
     */
    var Filter = module.exports = {
      /**
       * 分页
       * @param  {[type]} value [description]
       * @return {[type]}       [description]
       */
      page: function(value){
        'use strict';
        return this.id(value) || 1;
      },
      /**
       * xxx asc,yyy desc
       * @return {[type]} [description]
       */
      order: function(value){
        'use strict';
        if (isString(value)) {
          value = value.split(',');
        }
        if (!isArray(value)) {
          return '';
        }
        return value.filter(function(item){
          item = item.trim().split(' ');
          var field = item[0];
          var type = item[1];
          if (/^(ASC|DESC)$/i.test(type) && /^[\w]+$/.test(field)) {
            return field + ' ' + type;
          }
        }).join(',');
      },
      /**
       * 大于0
       * @return {[type]} [description]
       */
      id: function(value){
        'use strict';
        value = parseInt(value + '', 10);
        if (value > 0) {
          return value;
        }
        return 0;
      },
      /**
       * id列表
       * @return {[type]} [description]
       */
      ids: function(value, split){
        'use strict';
        if (isNumber(value)) {
          value = this.id(value);
          if (value) {
            return [value];
          }
          return [];
        }
        if (isString(value)) {
          value = value.split(split || ',');
        }
        if (!isArray(value)) {
          return [];
        }
        var ret = [];
        for(var i = 0, length = value.length; i < length; i++){
          var item = (value[i] + '').trim();
          item = parseInt(item, 10);
          if (item > 0) {
            ret.push(item);
          }
        }
        return ret;
      },
      /**
       * 是否在一个中
       * @param  {[type]} value [description]
       * @param  {[type]} arr   [description]
       * @return {[type]}       [description]
       */
      in: function(value, arr){
        'use strict';
        if (!isArray(arr)) {
          arr = [arr];
        }
        if(arr.indexOf(value) > -1){
          return value;
        }
        return '';
      },
      /**
       * 将字符串切割为数组
       * @param  {[type]} value [description]
       * @param  {[type]} split [description]
       * @return {[type]}       [description]
       */
      strs: function(value, split){
        'use strict';
        if (isString(value)) {
          value = value.split(split || ',');
        }
        if (!isArray(value)) {
          return [];
        }
        return value.filter(function(item){
          return (item + '').trim();
        });
      }
    };
    /**
     * 调用一个过滤器
     * @param  {[type]} data [description]
     * @param  {[type]} type [description]
     * @return {[type]}      [description]
     */
    Filter.filter = function(value, type){
      'use strict';
      var fn = Filter[type];
      if (typeof fn === 'function') {
        var args = [].slice.call(arguments, 2);
        args.unshift(value);
        return Filter[type].apply(Filter, args);
      }
      return false;
    };