Adding type safety with Valibot

import * as v from "valibot";

const scheduleSchema = v.object({
  id: v.nullable(v.string()),
  revision_id: v.optional(v.nullable(v.string())),
  created: v.nullable(v.number()),
  updated: v.nullable(v.number()),
  name: v.nullable(v.string()),
  lessons: v.nullable(
    v.array(
      v.object({
        id: v.string(),
        name: v.string(),
        description: v.string(),
        pages: v.array(v.object({})),
        owner: v.string(),
        track: v.string(),
        audit: v.object({
          available_at: v.nullable(v.number()),
          completed_at: v.nullable(v.number()),
          first_viewed_at: v.nullable(v.number()),
          times_viewed: v.nullable(v.number()),
          last_notified: v.nullable(v.number()),
        }),
      }),
    ),
  ),
  owner: v.string(),
});

export default defineEventHandler(async (event) => {
  const query = getQuery(event);

  const response = await api<{ schema: unknown }>(
    event,
    `${event.path.replace(/^\/api/, "")}`,
    {
      method: event.method,
      params: {
        type: query.path,
      },
    },
  );

  try {
    return v.parse(scheduleSchema, response);
  } catch (e) {
    console.error(e);
    return {};
  }
});

<template>
  <div class="grid gap-8">
    <div class="prose prose-neutral">
      <h1 class="mb-4">Hi {{ user.first_name }}!</h1>
      <p class="mt-0">
        Welcome back! Continue learning from where you left off.
      </p>
    </div>
    <div class="flex">
      <ModuleProgress class="flex-1" :progress="75" />
    </div>
    <pre>{{ data.name }}</pre>
  </div>
</template>

<script lang="ts" setup>
const user = ref({ first_name: "James" });
const { data } = await useFetch("/api/users/me/schedule");
</script>