Vue 3 Typescript Build 'this is undefined‘

export default {
  data() {
    return {
      message: 'Hello Vue!'
    };
  },
  mounted() {
    setTimeout(() => {
      console.log(this.message); // 正确输出 'Hello Vue!'
    }, 1000);
  }
};

export default {
  methods: {
    handleClick: function() {
      console.log(this.message); // 正确输出 'Hello Vue!'
    }
  },
  mounted() {
    const button = document.querySelector('button');
    button.addEventListener('click', this.handleClick.bind(this));
  }
};

import { ref, onMounted } from 'vue';

export default {
  setup() {
    const message = ref('Hello Vue!');

    onMounted(() => {
      setTimeout(() => {
        console.log(message.value); // 正确输出 'Hello Vue!'
      }, 1000);
    });

    return {
      message
    };
  }
};