const Koa = require('koa');
const { historyApiFallback } = require('koa2-connect-history-api-fallback');
// 或者当你使用 ES6 语法，你可以这样
import { historyApiFallback } from 'koa2-connect-history-api-fallback';
// 或者
import historyApiFallback from 'koa2-connect-history-api-fallback';

const app = new Koa();

// handle fallback for HTML5 history API
app.use(historyApiFallback({ whiteList: ['/api'] }));

// other middlewares
app.use(...);

const Koa = require('koa');

// require 'koa2-connect-history-api-fallback' middleware
const { historyApiFallback } = require('koa2-connect-history-api-fallback');

// create app
const app = new Koa();

// use historyApiFallback
app.use(historyApiFallback());

// other middlewares
app.use(...);