Function leaveViewLight

packages/core/src/render3/state.ts:701–707

* A lightweight version of leave which is used with DI. * * This function only resets `currentTNode` and `LView` as those are the only properties * used with DI (`enterDI()`). * * NOTE: This function is reexported as `leaveDI`. However `leaveDI` has return type of `void` where * as `leaveViewL

()

 * as `leaveViewLight` has `LFrame`. This is so that `leaveViewLight` can be used in `leaveView`.
 */
function leaveViewLight(): LFrame {
  const oldLFrame = instructionState.lFrame;
  instructionState.lFrame = oldLFrame.parent;
  oldLFrame.currentTNode = null!;
  oldLFrame.lView = null!;
  return oldLFrame;
}

/**
 * This is a lightweight version of the `leaveView` which is needed by the DI system.