setQueryData() - tRPC Vue-Query

<script lang="ts" setup>
const trpc = useTRPC()

const { mutate: addToCart } = trpc.cart.addProduct.useMutation({
  onSuccess: (newCart) => {
    // this will update the `cart.get` query data
    trpc.cart.get.setQueryData(newCart)
  },
})
</script>

invalidate()

You can invalidate a query by calling the invalidate() function.

key()

You can get the query key by calling the key() function. With the key you can access all the other Tanstack Query features.