refactor: general code improvements

- replace deprecated fs.exists with fs.existsSync
- replace console.log with debug
- replace hardcoded FERDI_VERSION in start.js with dynamic one from package.json
- correct JSDoc annotations in Handler.js
- simplify macOSPermissions.js
- updates to various eslint rules
- add FileReader to known globals

1 files changed, 1 insertions, 2 deletions

diff --git a/src/internal-server/public/js/transfer.js b/src/internal-server/public/js/transfer.js
index c04a6d3b1..8382bba02 100644
--- a/src/internal-server/public/js/transfer.js
+++ b/src/internal-server/public/js/transfer.js
@@ -1,11 +1,10 @@
-/* eslint-env browser */
 const submitBtn = document.getElementById('submit');
 const fileInput = document.getElementById('file');
 const fileOutput = document.getElementById('fileoutput');
 
 fileInput.addEventListener('change', () => {
   const reader = new FileReader();
-  reader.onload = function () {
+  reader.onload = () => {
     const text = reader.result;
     fileOutput.value = text;
     submitBtn.disabled = false;