tsx-cli demo

.env

HELLO=WORD
NAME=WARJIANG
AGE=22

a.js

function sum(a, b) {
    return a + b
}

exports.sum = sum

amain.js

const { sum } = require('./a');

console.log(sum(1, 2))

g.ts

export function greeting(name: string) {
    return `hello ${name}`
}

ga.ts

import { greeting } from './g';
const { sum } = require('./a');
console.log(greeting('jack'))
console.log(sum(1, 2))
console.log(process.env)

gaenv.ts

import { greeting } from './g';
const { sum } = require('./a');
console.log(greeting('jack'))
console.log(sum(1, 2))
console.log(process.env)

gmain.ts

import { greeting } from './g';

console.log(greeting('jack'))

package.json

{
  "name": "demo",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "devDependencies": {
    "tsx": "^3.4.0"
  },
  "dependencies": {
    "dotenv": "^16.4.5"
  }
}