code screenshot beautify plugin & 代码截图美化插件

代码截图美化

codesnap

微信分享代码截图

demo



"use strict";

/**

 *

 * @author xgqfrms

 * @license MIT

 * @copyright xgqfrms

 * @created 2020-10-01

 * @modified

 *

 * @description

 * @difficulty Easy Medium Hard

 * @complexity O(n)

 * @augments

 * @example

 * @link

 * @solutions

 *

 * @best_solutions

 *

 */

const log = console.log;

const Koa = require('koa');

const app = new Koa();

const port = 3000;

// logger

app.use(async (ctx, next) => {

  log(` 1`)

  await next();

  log(` 2`)

  const rt = ctx.response.get('X-Response-Time');

  log(`${ctx.method} ${ctx.url} - ${rt}`);

});

// x-response-time

app.use(async (ctx, next) => {

  const start = Date.now();

  log(` 3`)

  await next();

  log(` 4`)

  const ms = Date.now() - start;

  ctx.set('X-Response-Time', `${ms}ms`);

});

// response

app.use(async ctx => {

  log(` 5`)

  ctx.body = 'Hello World';

});

app.listen(port);

/*

Promise 先后顺序， async/await

 1

 3

 5

 4

 2

GET /?q=xgqfrms - 2ms

 1

 3

 5

 4

 2

GET /favicon.ico - 0ms

*/