const VueGov = Vue.createApp({
  setup() {
    const govs = ref([]);

    onMounted(() => {
      fetch('./data/gov_list.json')
        .then(res => res.json())
        .then(data => {
          govs.value = data;
        })
        .catch(err => console.error('JSON読み込み失敗:', err));
    });

    const sortedGovs = computed(() => {
      return govs.value.slice().sort((a, b) => a.code.localeCompare(b.code));
    });

    return { sortedGovs };
  }
}).mount('#govApp');