Function patchChildren

web/main.js:5325–5401

(n1, n2, container, anchor, parentComponent, parentSuspense, namespace, slotScopeIds, optimized = false)

    resetTracking();
  };
  const patchChildren = (n1, n2, container, anchor, parentComponent, parentSuspense, namespace, slotScopeIds, optimized = false) => {
    const c1 = n1 && n1.children;
    const prevShapeFlag = n1 ? n1.shapeFlag : 0;
    const c2 = n2.children;
    const { patchFlag, shapeFlag } = n2;
    if (patchFlag > 0) {
      if (patchFlag & 128) {
        patchKeyedChildren(
          c1,
          c2,
          container,
          anchor,
          parentComponent,
          parentSuspense,
          namespace,
          slotScopeIds,
          optimized
        );
        return;
      } else if (patchFlag & 256) {
        patchUnkeyedChildren(
          c1,
          c2,
          container,
          anchor,
          parentComponent,
          parentSuspense,
          namespace,
          slotScopeIds,
          optimized
        );
        return;
      }
    }
    if (shapeFlag & 8) {
      if (prevShapeFlag & 16) {
        unmountChildren(c1, parentComponent, parentSuspense);
      }
      if (c2 !== c1) {
        hostSetElementText(container, c2);
      }
    } else {
      if (prevShapeFlag & 16) {
        if (shapeFlag & 16) {
          patchKeyedChildren(
            c1,
            c2,
            container,
            anchor,
            parentComponent,
            parentSuspense,
            namespace,
            slotScopeIds,
            optimized
          );
        } else {
          unmountChildren(c1, parentComponent, parentSuspense, true);
        }