fix: use Buffer.from

Author: Moumouls

src/GraphQL/loaders/filesMutations.js

@@ -4,17 +4,8 @@ import Parse from 'parse/node';
 import * as defaultGraphQLTypes from './defaultGraphQLTypes';
 import logger from '../../logger';
 
-function toBuffer(ab) {
-  const buf = Buffer.alloc(ab.byteLength);
-  const view = new Uint8Array(ab);
-  for (let i = 0; i < buf.length; ++i) {
-    buf[i] = view[i];
-  }
-  return buf;
-}
-
 const handleUpload = async (upload, config) => {
-  const data = toBuffer(await upload.arrayBuffer());
+  const data = Buffer.from(await upload.arrayBuffer());
   console.log(data.length);
   const fileName = upload.name;
   const type = upload.type;