@vant/cli/lib/commands/dev.js

Vant CLI is a tool for building vue component library. You can quickly build a full-featured Vue component library with vant-cli.

import { setNodeEnv } from '../common/index.js';
import { compileSite } from '../compiler/compile-site.js';
export async function dev() {
    setNodeEnv('development');
    await compileSite();
}