解决承诺，直到那时未定义

Question

I think im resolving the promise put the code is still saying then of undefined, its not returning the promise, why?

export const SpacesPutImage = (folder, file, id, data, expertId, avatarUrl) => {

    console.log(folder, file, id, data, expertId, avatarUrl)
    if (avatarUrl === undefined) {
        console.log('si')
        return new Promise(function(resolve, reject) {

            apiCall('put', `/api/experts/${expertId}/spaces`, {
                    data: data,
                    size: file.size,
                    id: id,
                    folder: folder,
                    fileType: file.type
                })
                .then((res) => resolve(res.Location))
                .catch(err => reject(err))


        })
    } else {
        console.log('no')
        return new Promise(function(resolve, reject) {
            apiCall('put', `/api/experts/${expertId}/spaces/${avatarUrl.split("/")[4]}`, {
                    data: data,
                    size: file.size,
                    id: expertId,
                    folder: folder,
                    fileType: file.type
                }).then((res) => resolve(res.Location))
                .catch(err => reject(err))
        })

    }
}

Answer 1

First of all, you don't need new Promise , just return the api call, if it uses .then and .catch it means that it's already a promise.

export const SpacesPutImage = (folder, file, id, data, expertId, avatarUrl) => {
    console.log(folder, file, id, data, expertId, avatarUrl)
    if (avatarUrl === undefined) {
        console.log('si')
        return apiCall('put', `/api/experts/${expertId}/spaces`, {
            data: data,
            size: file.size,
            id: id,
            folder: folder,
            fileType: file.type
        }).then(res => res.Location)       
    } else {
        console.log('no')
        return apiCall('put', `/api/experts/${expertId}/spaces/${avatarUrl.split("/")[4]}`, {
            data: data,
            size: file.size,
            id: expertId,
            folder: folder,
            fileType: file.type
         }).then(res => res.Location)
    }
}

Please, also add to your question what is apiCall and where do you call SpacesPutImage .

I think im resolving the promise put the code is still saying then of undefined

Please provide the correct error and probably where it happens.

One thing that can be happing, as said in the comments is that apiCall doesn't return a promise and saying then of undefined can be about apiCall not returning a promise.