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Table of Contents

Node.js

What is node.js

특징

  • 비동기 입출력 방식 (Non-blocking) I/O
  • 이벤트 기반 입출력 방식 (Event Loop)
  • Single Thread
  • 모듈

개발도구

  • 편집기 VSCode
    • Extentions
      • ES6 Code Snippets
      • ESLint
      • Prettier - Code formatter
      • Live Server
  • 크롬 브라우저
  • 노드

Install

brew 설치 

$ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

node 설치 

$ brew install node

Vue CLI 설치 

$ npm install -g @vue/cli
or
$ yarn global add @vue/cli
or
$ yarn dlx @vue/clie

$ vue --version  # 확인
$ npm list -g --depth=0  # npm 설치 리스트 확인

Vue CLI 삭제 

$ npm uninstall -g vue-cli

vue 프로젝트 생성 

$ vue create <프로젝트 이름>

$ cd <프로젝트 이름>
$ npm run serve

vuetify 패키지 추가 

$ vue add vuetify

vue-router 설치 

$ vue add router

vuex 설치 

$ vue add vuex

axios 설치 

$ vue add axios

Install Node.js on Ubuntu

  • Install Node.js on Ubuntu 
    # to install node.js we need CURL
$ sudo apt install -y curl

# install node.js using apt package manager
$ sudo apt update & sudo apt upgrade -y
$ sudo apt install nodejs
$ nodejs -v
$ sudo apt install npm
$ npm -v

# using PPA
$ curl -sL https://deb.nodesource.com/setup_18.x -o nodesource_setup.sh  # version 18.x
$ sudo bash nodesource_setup.sh 
$ sudo apt-get install nodejs
$ sudo apt-get install build-essential
  • nvm 
    $ curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.3/install.sh | bash
$ source ~/.bashrc
$ nvm list-remote
$ nvm install <version>
$ nvm list
$ nvm use <version>
  • npm update 
    $ npm install -g npm@lsatest
$ npm -v

Modules

  • https/http2 모듈
  • express, express-session
  • multer
  • morgan
  • static
  • cookie/session
  • sequlize
  • mongoose
  • passport
  • jwt token
  • test; unit → test coverage → integration test → load test →
  • web socket; ws, socket.io,
  • commander, inquirer
  • redis, memcache
  • cross-env
  • pm2
  • sanitize-html, csurf
  • winston
  • helmet, hpp
  • connect-redis
  • template engines; pug, nunjucks

typescript

  1. 디렉토리 생성 (mkdir)
  2. 프로젝트 생성 (npm init)
  3. 타입스크립트 모듈 설치
  4. tsconfig.json 생성
  5. 타입 추가 (npm i @types/node)
  6. ts-node 설치 (npm i -g ts-node)

가상환경

  • nodeenv
  • nvm-windows NVM for Windows @github.com
    • C:\Users\%username%\AppData\Roaming\nvm\setting.txt; make sure ANSI to UTF-8

  • > nvm ls   # 설치된 Node.js 확인
> nvm install <version> [arch]  # Node.js 설치
> nvm use <version>  # Node.js 버전 변경

JavaScript Basics

  • 변수 선언
    • var
    • let
    • const
  • Arrow Function
  • Array
    • sort()
    • filter()
    • map()
    • reduce()
  • Template Literals; back tick `
  • Spread Operator; 배열에서 iteration 형태의 데이터 요소를 하나하나로 모두 분해해서 사용
  • Object Destructuring; { , } = object
  • Array Destructuring; [ , ] = array
  • Default Function Parameter; same as c++, define default value in argument
  • Rest Parameter; …args
  • Promise; 비동기 처리에 사용 new Promise((resolve, reject) ⇒ {}});
  • Async/Await; 비동기
  • Regular Expression
    • exec()
    • test()
    • match()
    • search()
    • replace()
    • split()

Start

$ node <file>

Node.js 내장 모듈과 객체

  • Console
    • console.log(내용, …args)
    • console.error(…)
    • console.table(테이블형 데이터)
    • console.time(레이블) / console.timeEnd(레이블)
    • console.dir(오브젝트, 옵션)
  • Timers
    • setTimeout(콜백함수, 밀리초)
    • setInterval(콜백함수, 밀리초)
    • setImmediate(콜백함수)
  • Process
    • listeners
      • beforeExit
      • exit
      • disconnect
      • message
    • process.env
    • process.nextTick
    • process.exit()
  • OS
  • Path
    • path.basename(path[,ext])
    • path.delimiter
    • path.dirname(path)
    • path.extname(path)
    • path.format(pathOjbject)
    • path.isAbsolute(path)
    • path.join([…paths])
    • path.parse(path)
    • path.sep
  • URL;
    • WHATWG API
    • url.parse()
  • Crypto
  • File system
    • fs.readFile(path, [options], callback)
    • fs.readFileSync(path, [options])
    • fs.writeFile(path, data, [options], callback)
    • writeFileSync(path, data [options])
    • fs.watchFile(filename[, options], listener)

json-server

$ npm install -g json-server
$ json-server --watch <file>

express

$ npm install express
  • middlewares
    • body-parser
    • compression
    • connect-rid
    • cookie-parser
    • cors
    • csurf
    • errorhandler
    • method-override
    • morgan
    • multer
    • response-time
    • serve-favicon
    • serve-index
    • serve-static
    • express-session
    • connect-timeout
    • vhost

Useful

  • winston
  • nodemailer
  • node-cron
  • xlsx
  • xlsx-js-style
  • ics
  • socket.io
  • axios
  • cheerio
  • forever
  • pm2

References

public/computer/node.js.1672645602.txt.gz · Last modified: by alex