如何避免在JavaScript中使用.then（）地狱？ [重复]

此问题已经在这里有了答案：

• Avoiding callback hell in promises using nodejs2个答案

等待aysnc，您可以将回调地狱转换为此：

重要注意事项是：

• 该函数允许使用await之前的async关键字
• 要处理异常，您需要使用try catch块。

async function uploadToYoutube() {

    try {
        let token = await refreshToken();

        let request = {}

        const youtubeUploadResponse = await axios.post(`${youtubeUrl}/upload/youtube/v3/videos?access_token=${token}&part=contentDetails`, request);

        let uploadResponse = {};

        token = await refreshToken();

        const youtubeUpdateResponse = await axios.put(`${youtubeUrl}?access_token=${token}`, uploadResponse);

        let updateResponse = {};

        let postResponse = await axios.post(`${BasePath}/v1/videos`, updateResponse, headers);

        if (postResponse.data.response === 'success') {
            return dispatch(receivePostsData(postResponse.data))
        } else if (postResponse.data.response === 'failed') {
            //??? why do you here act like a success?
            return dispatch(receivePostsData(postResponse.data))
        }
    } catch (error) {
        //??? why do you here act like a success?
        return dispatch(receivePostsData(error))
    }
}