web-dev-server.config.js

var path = require('path');
import { legacyPlugin } from '@web/dev-server-legacy';
export default {
  open: true,
  watch: true,
  devServer: {
    contentBase: path.join(__dirname, 'docs')
  },
  appIndex: '/index.html',
  nodeResolve: {
    exportConditions: ['development'],
    dedupe: true
  },
  esbuildTarget: 'auto'
};