Function detachFiber

code/new-context-api/public/app.js:10862–10874

(current)

  }

  function detachFiber(current) {
    // Cut off the return pointers to disconnect it from the tree. Ideally, we
    // should clear the child pointer of the parent alternate to let this
    // get GC:ed but we don't know which for sure which parent is the current
    // one so we'll settle for GC:ing the subtree of this child. This child
    // itself will be GC:ed when the parent updates the next time.
    current['return'] = null;
    current.child = null;
    if (current.alternate) {
      current.alternate.child = null;
      current.alternate['return'] = null;
    }
  }

  var emptyPortalContainer = void 0;