onDrop is fetching data only after page reload.

`` componentDidMount() {

const objThis = this;
fetch('/details')
.then((response) => response.json())
.then((findresponse) => {
console.log(findresponse.filename)
this.setState({
data: findresponse.filename,
})
})
}

render() {

const config = this.componentConfig;
const djsConfig = this.djsConfig;

// For a list of all possible events (there are many), see README.md!
const eventHandlers = {
drop: this.callbackArray,
addedfile: this.callback,
}

return (

Start with the component containing componentDidMount, the DropzoneComponent usage, and its drop and addedfile event handlers; consult README.md for the event API. Reproduce the upload flow and trace when /details is fetched and when state.data is rendered. Done means the fetched value updates after onDrop without requiring a page reload.

Written by the indexing model from the issue text.