nuxt/dist/app/components/nuxt-error-boundary.js

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import { defineComponent, onErrorCaptured, ref } from "vue";
import { useNuxtApp } from "#app/nuxt";
export default defineComponent({
  emits: {
    error(_error) {
      return true;
    }
  },
  setup(_props, { slots, emit }) {
    const error = ref(null);
    const nuxtApp = useNuxtApp();
    onErrorCaptured((err, target, info) => {
      if (process.client && !nuxtApp.isHydrating) {
        emit("error", err);
        nuxtApp.hooks.callHook("vue:error", err, target, info);
        error.value = err;
        return false;
      }
    });
    function clearError() {
      error.value = null;
    }
    return () => error.value ? slots.error?.({ error, clearError }) : slots.default?.();
  }
});