Quête installation Typescript

Index.ts

import { cpus } from 'os'; // Import ES6 style
import chalk from 'chalk';

const os = JSON.stringify(cpus());
console.log(chalk.red(os));

package.json

{
    "name": "typebank",
    "version": "1.0.0",
    "description": "",
    "main": "index.js",
    "scripts": {
        "test": "echo \"Error: no test specified\" && exit 1",
        "start": "ts-node index.ts",
        "check": "gts check",
        "clean": "gts clean",
        "compile": "tsc",
        "fix": "gts fix",
        "prepare": "npm run compile",
        "pretest": "npm run compile",
        "posttest": "npm run check"
    },
    "author": "",
    "license": "ISC",
    "devDependencies": {
        "@types/node": "^13.13.8",
        "gts": "^2.0.2",
        "ts-node": "^8.10.1",
        "tslint": "^6.1.2",
        "typescript": "^3.9.2"
    },
    "dependencies": {
        "assert": "^2.0.0",
        "chalk": "^4.0.0",
        "tslint-config-airbnb": "^5.11.2"
    }
}

ts config.json

{
    "name": "typebank",
    "version": "1.0.0",
    "description": "",
    "main": "index.js",
    "scripts": {
        "test": "echo \"Error: no test specified\" && exit 1",
        "start": "ts-node index.ts",
        "check": "gts check",
        "clean": "gts clean",
        "compile": "tsc",
        "fix": "gts fix",
        "prepare": "npm run compile",
        "pretest": "npm run compile",
        "posttest": "npm run check"
    },
    "author": "",
    "license": "ISC",
    "devDependencies": {
        "@types/node": "^13.13.8",
        "gts": "^2.0.2",
        "ts-node": "^8.10.1",
        "tslint": "^6.1.2",
        "typescript": "^3.9.2"
    },
    "dependencies": {
        "assert": "^2.0.0",
        "chalk": "^4.0.0",
        "tslint-config-airbnb": "^5.11.2"
    }
}