Function onMismatch

packages/runtime-core/src/hydration.ts:147–155

()

    optimized = optimized || !!vnode.dynamicChildren
    const isFragmentStart = isComment(node) && node.data === '['
    const onMismatch = () =>
      handleMismatch(
        node,
        vnode,
        parentComponent,
        parentSuspense,
        slotScopeIds,
        isFragmentStart,
      )

    const { type, ref, shapeFlag, patchFlag } = vnode
    let domType = node.nodeType