Method removeInternalAndSame

src/utils.ts:503–517

removes field from the first object if same as the second objects (like diffing) and internal '_' for saving

(a: unknown, b: unknown)

  /** removes field from the first object if same as the second objects (like diffing) and internal '_' for saving */
  static removeInternalAndSame(a: unknown, b: unknown):void {
    if (typeof a !== 'object' || typeof b !== 'object') return;
    // skip arrays as we don't know how to hydrate them (unlike object spread operator)
    if (Array.isArray(a) || Array.isArray(b)) return;
    for (let key in a) {
      const aVal = a[key];
      const bVal = b[key];
      if (key[0] === '_' || aVal === bVal) {
        delete a[key]
      } else if (aVal && typeof aVal === 'object' && bVal !== undefined) {
        Utils.removeInternalAndSame(aVal, bVal);
        if (!Object.keys(aVal).length) { delete a[key] }
      }
    }
  }

  /** removes internal fields '_' and default values for saving */
  static removeInternalForSave(n: GridStackNode, removeEl = true): void {