mi código esbelto es:

 <script lang="ts"> import { onMount } from "svelte"; let qdata = Object; let url = ""; onMount(() => { url = "http://127.0.0.1:8000/apisearch/".concat(window.location.href.substr(31)); fetch(url) .then(res => res.json()) .then(dat => console.log(dat)); }); //get query let h = "http://127.0.0.1:8000/apisearch/".concat(url); </script> {url} <div class="grid justify-center rounded bg-slate-500"> {#each qdata as result} <p>{result}</p> {/each} </div>

El error que recibo es Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at http://127.0.0.1:8000/apisearch/test. (Reason: CORS header 'Access-Control-Allow-Origin' missing). Status code: 200. Mi backend está construido en óxido con el marco del cohete. Estoy usando sveltekit.