1 files changed, 14 insertions, 0 deletions

diff --git a/src/internal-server/public/js/transfer.js b/src/internal-server/public/js/transfer.js
new file mode 100644
index 000000000..c04a6d3b1
--- /dev/null
+++ b/src/internal-server/public/js/transfer.js
@@ -0,0 +1,14 @@
+/* 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 () {
+    const text = reader.result;
+    fileOutput.value = text;
+    submitBtn.disabled = false;
+  };
+  reader.readAsText(fileInput.files[0]);
+});