import { compileScript, parse } from "vue/compiler-sfc";

const { descriptor } = parse(`<script setup lang="ts">
console.log(1);
</script>`);

const result = compileScript(descriptor, {
  id: descriptor.filename,
  templateOptions: {
    compilerOptions: {
      runtimeModuleName: "npm:vue",
    },
  },
});

console.log(result.content);

import { defineComponent as _defineComponent } from 'vue'

export default /*#__PURE__*/_defineComponent({
  setup(__props, { expose: __expose }) {
  __expose();

console.log(1);
...