import request from '@/utils/request'

const getDict=(dictName)=> {
   let key='dict_'+dictName;
   let obj=window.xdcaches[key];
   if(obj && obj.length>0){
    return new Promise((resolve)=>{
        resolve(obj);
    })    
   }else{
    return new Promise(async (resolve)=>{
        let data=await    request({
            url: `system/dict/data/type/${dictName}`,
            method: 'get'
          });
        let obj=data.data||[];
        if(obj && obj.length>0){
            window.xdcaches[key]=obj;
        }
        resolve(obj);
    });      
   }  
}

export default getDict;