Create server NodJS with typescript

Init project

• yarn init -yp

Add typescript in project

• yarn add typescript -D

Init config auto TypeScript

• yarn tsc --init

Configure ecma script to es2017 in file tsconfig.json line 7 (target)

Add ts-node-dev wtach codification

• yarn add ts-node-dev -D

Add script init in package.json

--transpile-only don't check erros

--ignore-watch node_modules don't check code in node_modules

--respawn restart auto

"scripts": { "start": "tsnd --transpile-only --ignore-watch node_modules --respawn src/server.ts" }

Add express microframework

• yarn add express

Add types express

• yarn add @types/express -D

Use JSON in express

app.use(express.json());

GET params use request.params

app.post('/users/:id', (request, response) => { console.log(request.params) })

Add knex and sqlite3

• yarn add knex sqlite3

Create migrations with files em folder migrations and file config knexfile.ts overwrite commands

"knex:migrate": "knex --knexfile knexfile.ts migrate:latest", "knex:migrate:rollback": "knex --knexfile knexfile.ts migrate:rollback"

Add cors

• yarn add cors

Add typescript cors

• yarn add @types/cors -D