refactor: format and lint codebase (#971)

app/assets/javascripts/Utils/ConcatenateUint8Arrays.ts

@@ -0,0 +1,12 @@
+export const concatenateUint8Arrays = (arrays: Uint8Array[]) => {
+  const totalLength = arrays.map((array) => array.length).reduce((prev, next) => prev + next, 0)
+
+  const concatenatedArray = new Uint8Array(totalLength)
+  let offset = 0
+  arrays.forEach((array) => {
+    concatenatedArray.set(array, offset)
+    offset += array.length
+  })
+
+  return concatenatedArray
+}