How to use the @rails/activestorage/src/direct_upload.DirectUpload function in @rails/activestorage
To help you get started, we’ve selected a few @rails/activestorage examples, based on popular ways it is used in public projects.
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chaskiq / chaskiq / app / javascript / client_messenger / uploader.js View on Github 
return new Promise((resolve, reject)=> {
if(props){
props.onLoading()
//props.change(previewField, '/spinner.gif')
}
const upload = new DirectUpload(
file,
`${props.domain}/api/v1/direct_uploads`
)
upload.create((error, blob)=>{
if(error){
alert("error uploading!")
props.onError(error)
} else {
if(props){
props.onSuccess(
{link: blob.service_url}
)
}
resolve({data: {...blob, link: blob.service_url}})
}
})@rails/activestorage
Attach cloud and local files in Rails applications
