For more information, refer to Managing plugins.
Make sure the JavaScript and TypeScript, JavaScript Debugger, and Vue.js required plugins are enabled on the Settings | Plugins page, tab Installed. Learn more from Configuring a local Node.js interpreter. The Node interpreter field shows the default project Node.js interpreter. Make sure a local Node.js interpreter is configured in your project: open the Settings dialog ( Control+Alt+S) and go to Languages & Frameworks | Node.js. With the built-in debugger, you can debug your Vue.js code right in PhpStorm, which can automatically generate the necessary run/debug configurations you need: an npm configuration that launches the development server and starts your application in the development mode and a JavaScript Debug configuration that launches a debugging session. PhpStorm provides support for the Vue.js building blocks of HTML, CSS, and JavaScript with Vue.js-aware code completion for components, including components defined in separate files, attributes, properties, methods, slot names, and more. Vue.js is a framework for developing user interfaces and advanced single-page applications.