Egg 代码风格指南

module.exports = app => {
  class UserService extends app.Service {
    async list() {
      return await this.ctx.curl('https://eggjs.org');
    }
  }
  return UserService;
};

const Service = require('egg').Service;
class UserService extends Service {
  async list() {
    return await this.ctx.curl('https://eggjs.org');
  }
}
module.exports = UserService;

const egg = require('egg');

module.export = Object.assign(egg, {
  Application: class MyApplication extends egg.Application {
    // ...
  },
  // ...
});

// app/extend/application.js
const CACHE = Symbol('Application#cache');
const CacheManager = require('../../lib/cache_manager');

module.exports = {
  get cache() {
    if (!this[CACHE]) {
      this[CACHE] = new CacheManager(this);
    }
    return this[CACHE];
  },
}