use aync await syntax

Author: asturur

lib/views/directory-select.js

@@ -45,13 +45,13 @@ export default class DirectorySelect extends React.Component {
     );
   }
 
-  chooseDirectory = () =>
-    this.props.showOpenDialog(this.props.currentWindow, {
+  chooseDirectory = async () => {
+    const {filePaths} = await this.props.showOpenDialog(this.props.currentWindow, {
       defaultPath: this.props.buffer.getText(),
       properties: ['openDirectory', 'createDirectory', 'promptToCreate'],
-    }).then(({filePaths}) => {
-      if (filePaths.length) {
-        this.props.buffer.setText(filePaths[0]);
-      }
     });
+    if (filePaths.length) {
+      this.props.buffer.setText(filePaths[0]);
+    }
+  }
 }