The correct way to force Vue to re-render a component

Sometimes Vue's reactivity system isn't enough, and you just need to re-render a component. Or maybe you just want to blow away the current DOM and start over. So how do you get Vue to reload a component the right way? The best way to force Vue to re-render a component is to set a :key on the component. When you need the component to be re-rendered, you just change the value of the key and Vue wil