Function markChanged

packages/db/src/proxy.ts:690–715

(state: ChangeTracker<object>)

  // Mark this object and all its ancestors as modified
  // Also propagate the actual changes up the chain
  function markChanged(state: ChangeTracker<object>) {
    if (!state.modified) {
      state.modified = true
    }

    // Propagate the change up the parent chain
    if (state.parent) {
      debugLog(`propagating change to parent`)

      // Check if this is a special Map parent with updateMap function
      if (`updateMap` in state.parent) {
        // Use the special updateMap function for Maps
        state.parent.updateMap(state.copy_)
      } else if (`updateSet` in state.parent) {
        // Use the special updateSet function for Sets
        state.parent.updateSet(state.copy_)
      } else {
        // Update parent's copy with this object's current state
        state.parent.tracker.copy_[state.parent.prop] = state.copy_
        state.parent.tracker.assigned_[state.parent.prop] = true
      }

      // Mark parent as changed
      markChanged(state.parent.tracker)
    }
  }

  // Check if all properties in the current state have reverted to original values
  function checkIfReverted(