JSON <-> Blob <-> Array number

json-blob-array-number.ts

const toArray = async <T>(data: T): Promise<Array<number>> => {
  const blob: Blob = new Blob([JSON.stringify(data)], {type: 'application/json; charset=utf-8'});
  return [...new Uint8Array(await blob.arrayBuffer())];
};

const fromArray = async <T>(data: Array<number>): Promise<T> => {
  const blob: Blob = new Blob([new Uint8Array(data)], {type: 'application/json; charset=utf-8'});
  return JSON.parse(await blob.text());
};