move to typescript, testmode, shiftregister revival

rust/src_webpack/src/ota.ts

@@ -0,0 +1,37 @@
+export function uploadFile() {
+  var file1 = document.getElementById("file1") as HTMLInputElement;
+  var loaded_n_total = document.getElementById("loaded_n_total");
+  var progressBar = document.getElementById("progressBar") as HTMLProgressElement;
+  var status = document.getElementById("status");
+  var answer = document.getElementById("answer");
+
+  var file = file1.files[0];
+  var ajax = new XMLHttpRequest();
+
+
+  ajax.upload.addEventListener("progress", event => {
+    loaded_n_total.innerHTML = "Uploaded " + event.loaded + " bytes of " + event.total;
+    var percent = (event.loaded / event.total) * 100;
+    progressBar.value = Math.round(percent);
+    status.innerHTML = Math.round(percent) + "%";
+    answer.innerHTML = "in progress";
+  }, false);
+  ajax.addEventListener("load", () => {
+    status.innerHTML = ajax.responseText;
+    answer.innerHTML = "finished";
+    progressBar.value = 0;
+  }, false);
+  ajax.addEventListener("error", () => {
+    status.innerHTML = ajax.responseText;
+    answer.innerHTML = "failed";
+  }, false);
+  ajax.addEventListener("abort", () => {
+    status.innerHTML = ajax.responseText;
+    answer.innerHTML = "aborted";
+  }, false);
+  ajax.open("POST", "/ota");
+  ajax.send(file);
+}
+
+let file1Upload = document.getElementById("file1") as HTMLInputElement;
+file1Upload.onchange = uploadFile;