Function patchBlockChildren

web/main.js:4994–5024

(oldChildren, newChildren, fallbackContainer, parentComponent, parentSuspense, namespace, slotScopeIds)

    }
  };
  const patchBlockChildren = (oldChildren, newChildren, fallbackContainer, parentComponent, parentSuspense, namespace, slotScopeIds) => {
    for (let i = 0; i < newChildren.length; i++) {
      const oldVNode = oldChildren[i];
      const newVNode = newChildren[i];
      const container = (
        // oldVNode may be an errored async setup() component inside Suspense
        // which will not have a mounted element
        oldVNode.el && // - In the case of a Fragment, we need to provide the actual parent
        // of the Fragment itself so it can move its children.
        (oldVNode.type === Fragment || // - In the case of different nodes, there is going to be a replacement
        // which also requires the correct parent container
        !isSameVNodeType(oldVNode, newVNode) || // - In the case of a component, it could contain anything.
        oldVNode.shapeFlag & (6 | 64 | 128)) ? hostParentNode(oldVNode.el) : (
          // In other cases, the parent container is not actually used so we
          // just pass the block element here to avoid a DOM parentNode call.
          fallbackContainer
        )
      );
      patch(
        oldVNode,
        newVNode,
        container,
        null,
        parentComponent,
        parentSuspense,
        namespace,
        slotScopeIds,
        true
      );
    }
  };
  const patchProps = (el, oldProps, newProps, parentComponent, namespace) => {
    if (oldProps !== newProps) {
      if (oldProps !== EMPTY_OBJ) {