Upload file for React Native + Rest API

Using fetch:

const uploadResponse = await uploadPhotoAsync(uris[0], newFileName.concat(ext))

const uploadResult = await uploadResponse.text()

let formData = new FormData()

formData.append('file', { uri: localUri, name: filename, type })

const url = `${UPLOAD_PHOTO_TOANDMAP_URL}${newFileName}`

return await fetch(url, {

method: 'POST',

body: formData,

header: {

'content-type': 'multipart/form-data'

}

})