Exercicios

modulo4/knex-js/.gitignore

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+node_modules
+package-lock.json
+build
+.env

modulo4/knex-js/package.json

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+{
+  "name": "knex",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "dev": "ts-node-dev ./src/index.ts",
+    "start": "tsc && node ./build/index.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "@types/cors": "^2.8.12",
+    "@types/express": "^4.17.13",
+    "ts-node-dev": "^2.0.0",
+    "typescript": "^4.7.4"
+  },
+  "dependencies": {
+    "@types/knex": "^0.16.1",
+    "cors": "^2.8.5",
+    "dotenv": "^16.0.1",
+    "express": "^4.18.1",
+    "knex": "^2.2.0",
+    "mysql": "^2.18.1"
+  }
+}

modulo4/knex-js/src/connection.ts

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+import knex from "knex";
+import dotenv from "dotenv";
+
+// estabelecer a conexão com o banco no index.ts:
+dotenv.config();
+export const connection = knex({
+	client: "mysql",
+	connection: {
+    host: process.env.DB_HOST,
+    port: 3306,
+    user: process.env.DB_USER,
+    password: process.env.DB_PASS,
+    database: process.env.DB_NAME
+  }
+});

modulo4/knex-js/src/index.ts

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+import express, {Express} from 'express'
+import cors from 'cors'
+import {connection} from './connection'
+
+const app: Express = express();
+
+app.use(express.json());
+app.use(cors());
+
+import { AddressInfo } from "net";
+
+const server = app.listen(process.env.PORT || 3003, () => {
+    if (server) {
+       const address = server.address() as AddressInfo;
+       console.log(`Server is running in http://localhost: ${address.port}`);
+    } else {
+       console.error(`Failure upon starting server.`);
+    }
+});

modulo4/knex-js/tsconfig.json

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+{
+    "compilerOptions": {
+      "target": "es6",
+      "module": "commonjs" ,
+      "sourceMap": true,
+      "outDir": "./build" ,
+      "rootDir": "./src" ,
+      "strict": true ,
+      "noImplicitAny": true,
+      "esModuleInterop": true ,
+      "forceConsistentCasingInFileNames": true 
+    }
+  }