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NLW 5 BACK COM NODE

dependências

• yarn init -y
• yarn add express
• yarn add @types/express -D
• yarn add typescript -D // -D ambiente de desenvolvimento
• yarn tsc --init
• yarn add typeorm reflect-metadata
• yarn add sqlite3
• yarn add uuid
• yarn add @types/uuid -D
• yarn add socket.io // websocket
• yarn add @types/socket.io -D
• yarn add ejs
• yarn add socket.io-client

tsconfig.json { "strict": false // verificação a mais, nao verifica em desenvolvimento }

• yarn add ts-node-dev -D

"scripts": { "dev": "ts-node-dev --transpile-only --ignore-watch node_modules src/server.ts", "typeorm": "ts-node-dev node_modules/typeorm/cli.js" },

configurar um json para o typeorm - que trata do banco de dados

• ormconfig.json

• criando migrations yarn typeorm migration:create -n CreateSettings

• rodar migration com a QueryRunner ( criação de tabelas ) yarn typeorm migration:run

tsconfig.json{ "strictPropertyInitialization": false, "experimentalDecorators": true, "emitDecoratorMetadata": true, }