rule-tree:复杂验证的更简单结构

规则树 复杂验证的更简单结构 用法 import { createRuleTree } from 'rule-tree' ; const activeUserHasManyFriends = createRuleTree ( { condition : 'and' , rules : [ { condition : 'equals' , data : '#getStatus' , value : 'active' } , { condition : 'greater-than' , data : '.friends.length' , value : 1 } ] } ) ; const user = { id : 1 , name : 'John' , getStatus : ( ) => 'active'