metaforecast/src/backend/utils/roughSize.ts

export function roughSizeOfObject(object) {
  var objectList = [];
  var stack = [object];
  var bytes = 0;

  while (stack.length) {
    var value = stack.pop();
    if (typeof value === "boolean") {
      bytes += 4;
    } else if (typeof value === "string") {
      bytes += value.length * 2;
    } else if (typeof value === "number") {
      bytes += 8;
    } else if (typeof value === "object" && objectList.indexOf(value) === -1) {
      objectList.push(value);

      for (var i in value) {
        stack.push(value[i]);
      }
    }
  }
  let megaBytes = bytes / 1024 ** 2;
  let megaBytesRounded = Math.round(megaBytes * 10) / 10;
  return megaBytesRounded;
}