SvelteKit goto keeps executing code after

On the client side, I send a JWT to the backend API for certain requests. If there is some issue with the JWT or it's not refreshed, I want to cancel everything and direct the user to the sign-in page.

    async getData() {        const authHeaders = await this.getHeaders();        if (authHeaders === null) {            await goto('/sign-in');            throw new Error('Goto failed');        }                ...        }

My understanding is that the throw new Error('Goto failed'); line would not be reached, but I am noticing that exception come up and wondering how this could happen?

Using SvelteKit 2.5.7

Originally, I didn't have the await in front of goto and added that in. I added in the throw new Error just to make sure code after the goto was being reached. I've looked through svelte documentation and don't see this issue mentioned