cos clean 清空腾讯云对象存储

const COS = require('cos-nodejs-sdk-v5')

const params = {
  AppId: '',
  SecretId: '',
  SecretKey: '',
}

const cos = new COS(params)

const bucketParams = {
  Bucket: '',
  Region: 'ap-beijing-1',
}

function listBuckets() {
  return new Promise((resolve, reject) => {
    cos.getBucket(bucketParams, function(err, data) {
      if (err) {
        console.log(err)
        return reject(err)
      }
      return resolve(data)
    })
  })
}

function del(data) {
  return new Promise((resolve, reject) => {
    const delParams = Object.assign({}, bucketParams, {
      Objects: data.Contents.map(c => ({ Key: c.Key })),
    })

    cos.deleteMultipleObject(delParams, function(err, d) {
      if (err) {
        console.log(err)
        return reject(err)
      }
      console.log('deleted: ', d)
      return resolve(data.Contents.length)
    })
  })
}

function task() {
  return new Promise((resolve, reject) => {
    return listBuckets()
      .then(del)
      .then(length => {
        return length ? task() : Promise.resolve()
      })
  })
}

task().then()