const data = ref({}); function setData(name: string, value: any) { data.value[name] = value; } function getData(name: string, prefix: string = '', suffix: string = '') { return `${prefix} ${data.value[name]} ${suffix}`; } export function useDev() { const route = useRoute(); const isDev = computed(() => route.query['dev'] === "1"); return { isDev, setData, getData } }