Remove state from components/ReadFileDropContainer

components/ReadFileDropContainer.js

@@ -14,27 +14,10 @@ const spec = {
 
 const collect = (connect, monitor) => ({ connectDropTarget: connect.dropTarget(), isOver: monitor.isOver() })
 
-class ReadFileDropContainer extends React.Component {
-  constructor(props) {
-    super(props)
-    this.state = { isFileOver: false }
-  }
-
-  componentWillReceiveProps(nextProps) {
-    if (!this.props.isOver && nextProps.isOver) {
-      this.setState({ isFileOver: true })
-    }
-
-    if (this.props.isOver && !nextProps.isOver) {
-      this.setState({ isFileOver: false })
-    }
-  }
-
-  render() {
-    const content = (
+const ReadFileDropContainer = props => props.connectDropTarget(
   <div className="dnd-container">
-        { this.state.isFileOver ? <div className="dnd-overlay">Drop your file here to import</div> : null }
-        { this.props.children }
+    { props.isOver ? <div className="dnd-overlay">Drop your file here to import</div> : null }
+    {props.children}
     <style jsx>{`
       .dnd-container {
         position: relative;
@@ -57,8 +40,4 @@ class ReadFileDropContainer extends React.Component {
   </div>
 )
 
-    return this.props.connectDropTarget(content)
-  }
-}
-
 export default DropTarget(NativeTypes.FILE, spec, collect)(ReadFileDropContainer)