audio messages are fully functional but buggy and ugly

src/lib/blob-helpers.js

@@ -281,3 +281,27 @@ export function base64ToBlob(str, mime) {
 
   return null;
 }
+
+export function intArrayToBase64(arr) {
+  if (!Array.isArray(arr)) {
+    return null;
+  }
+  try {
+    let bin = '';
+    new Uint8Array(arr).forEach(b => bin += String.fromCharCode(b));
+    return window.btoa(bin);
+  } catch (err) {}
+  return null;
+}
+
+export function base64ToIntArray(b64) {
+  const arr = [];
+  try {
+    const bin =  window.atob(b64);
+    [...bin].forEach(c => {
+      arr.push(c.charCodeAt(0));
+    });
+    return arr;
+  } catch (err) {}
+  return null;
+}