// utils/global.js
export function waitLibcodeReady(){
  return new Promise((resolve)=>{
    const app = getApp()
    if(app.globalData.libcode){
      return resolve(app.globalData.libcode)
    }
    // 轮询等待，最多3秒
    let count = 0
    const timer = setInterval(()=>{
      count++
      if(app.globalData.libcode || count>30){
        clearInterval(timer)
        resolve(app.globalData.libcode || '')
      }
    },100)
  })
}