使用promise包装资源目录动态加载报错

Creator 2.x
#1

CocosCreator 2.3.2

for (let dir of dirs) {
      await this.loadResPromise(dir.path)
   }

private loadResPromise(dir: string): Promise<void> {
    return new Promise((resolve, reject) => {
      cc.loader.loadResDir(dir, (err, assets, urls) => {
        if (err) {
          cc.log(`[路径资源加载] 错误 ${err}`)
          resolve(null)
        } else {
          resolve()
        }
      })
    })
  }

错误消息
loading-items.js:513 Uncaught RangeError: Maximum call stack size exceeded
at LoadingItems.221.proto._childOnProgress (loading-items.js:513)
at LoadingItems.onProgress (CCLoader.js:313)
at LoadingItems.221.proto._childOnProgress (loading-items.js:516)
at LoadingItems.onProgress (CCLoader.js:313)
at LoadingItems.221.proto._childOnProgress (loading-items.js:516)
at LoadingItems.onProgress (CCLoader.js:313)
at LoadingItems.221.proto._childOnProgress (loading-items.js:516)
at LoadingItems.onProgress (CCLoader.js:313)
at LoadingItems.221.proto._childOnProgress (loading-items.js:516)
at LoadingItems.onProgress (CCLoader.js:313)

我不得其解，循环使用异步的方式去加载没有问题，但是通过我promise的方式就会出现这种错误！

#2

遇到同样的问题，请问有解决方案了吗

#3

改成这样试试?

for (let dir of dirs) {
      await this.loadResPromise(dir.path)
      await new Promise((resolve, reject) => setTimeout(resolve, 20))
}
#4

loadResDir本身就是异步的吧

#5

2.4.3运行没问题