- update to use onCall from firebase functions

src/utils/index.js

@@ -69,3 +69,23 @@ export const move = (
 
   return result;
 };
+
+export const b64toBlob = (b64Data, contentType = '', sliceSize = 512) => {
+  const byteCharacters = atob(b64Data);
+  const byteArrays = [];
+
+  for (let offset = 0; offset < byteCharacters.length; offset += sliceSize) {
+    const slice = byteCharacters.slice(offset, offset + sliceSize);
+
+    const byteNumbers = new Array(slice.length);
+    for (let i = 0; i < slice.length; i++) {
+      byteNumbers[i] = slice.charCodeAt(i);
+    }
+
+    const byteArray = new Uint8Array(byteNumbers);
+    byteArrays.push(byteArray);
+  }
+
+  const blob = new Blob(byteArrays, { type: contentType });
+  return blob;
+};