import { toRef, isRef } from 'vue';
import { u as useNuxtApp } from './server.mjs';

const useStateKeyPrefix = "$s";
function useState(...args) {
  const autoKey = typeof args[args.length - 1] === "string" ? args.pop() : void 0;
  if (typeof args[0] !== "string") {
    args.unshift(autoKey);
  }
  const [_key, init] = args;
  if (!_key || typeof _key !== "string") {
    throw new TypeError("[nuxt] [useState] key must be a string: " + _key);
  }
  if (init !== void 0 && typeof init !== "function") {
    throw new Error("[nuxt] [useState] init must be a function: " + init);
  }
  const key = useStateKeyPrefix + _key;
  const nuxtApp = useNuxtApp();
  const state = toRef(nuxtApp.payload.state, key);
  if (init) {
    nuxtApp._state[key] ??= { _default: init };
  }
  if (state.value === void 0 && init) {
    const initialValue = init();
    if (isRef(initialValue)) {
      nuxtApp.payload.state[key] = initialValue;
      return initialValue;
    }
    state.value = initialValue;
  }
  return state;
}
let _counter = 0;
function useToast() {
  const toasts = useState("app:toasts", () => []);
  function toast(msg, type = "info", duration = 3e3) {
    const id = ++_counter;
    toasts.value.push({ id, type, msg });
    if (duration > 0) {
      setTimeout(() => {
        toasts.value = toasts.value.filter((t) => t.id !== id);
      }, duration);
    }
  }
  return {
    toasts,
    toast,
    success: (msg, duration) => toast(msg, "success", duration),
    error: (msg, duration) => toast(msg, "error", duration),
    info: (msg, duration) => toast(msg, "info", duration),
    warn: (msg, duration) => toast(msg, "warning", duration)
  };
}

export { useToast as u };
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