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JSExpert3 - 22/03 - 26/03 - #SemanaJSExpert​ 3.0 - Chat

SemanaJSExpert​ 3.0 - Chat

<Semana/> SemanaJSExpert​ 3.0 - Chat Link do git da primeira versão do JSExpert -> https://github.com/ErickWendel/semana-javascript-expert01


Dia 22/03/2021 #1 - Criando interfaces em programas de linha de comando com o pacote Blessed e o padrão Builder #SemanaJSExpert3


node -v mkdir hacker-chat npm init -y node index.js npm start https://www.npmjs.com/package/blessed npm install blessed

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Dia 23/03/2021 #2 - Trabalhando com Sockets HTTP e Arquitetura Orientada a Eventos #SemanaJSExpert3


Protocolo TCP = Transmition Control Protocol ou Protocolo de Controle de Transmissão Requisição HTTP = Roda dentro da camada Suíte TCP/IP Criar um loop infinito no cliente é tecnica de HTTP Polling e que tem custo grande e causa uma sobrecarga no servidor. Uma forma de fazer um Upgrade na conexão O protocolo raiz da cominicação dentro da internert é Protocolo Web Socket O web socket usa o HTTP Upgrade Header

npm ci node index.js node index.js
--username erickwendel
--room sala01
--hostUri localhost

npm run user01

"Server" npm init -y npm i uuid mkdir src

npm i -D nodemon npm run dev curl localhost:9898 npm run user01

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