Calculate the size of a js object in bytes

calculateObjectSize.js

  export function roughSizeOfObject(object) {
    const objectList = [];
    const stack = [object];
    let bytes = 0;
    while (stack.length) {
      const 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 (const i in value) {
          if (value[i]) {
            stack.push(value[i]);
          }
        }
      }
    }
    return bytes;
  }