vueScriptExtractor.js

const fs = require('fs');
const compiler = require('@vue/compiler-sfc');

module.exports = function extractVueScript(filename) {
  const source = fs.readFileSync(filename, 'utf8');
  const parsedComponent = compiler.parse(source);
  let scriptContent = parsedComponent.descriptor.script ? parsedComponent.descriptor.script.content : null;
  scriptContent ??= parsedComponent.descriptor.scriptSetup ? parsedComponent.descriptor.scriptSetup.content : '';
  return scriptContent;
};