Cannot run mts and ts files with ESM syntax

[wbxl2000]

Search Terms

• ts-node fails when ES Modules are in the dependency graph in Node.js 13+ #935

Expected Behavior

print '???' in terminal

Actual Behavior

Steps to reproduce the problem

1. pnpm i
2. pnpm start

Minimal reproduction

https://github.com/wbxl2000/ts-esm-test

Specifications

• ts-node version: v10.9.1
• node version: v20.2.0
• TypeScript version: v5.1.6
• tsconfig.json, if you're using one:

{
  "compilerOptions": {
    "module": "ESNext" // or ES2015, ES2020
  },
  "ts-node": {
    // Tell ts-node CLI to install the --loader automatically, explained below
    "esm": true
  }
}

• package.json:

{
  "name": "ts-node-test",
  "version": "1.0.0",
  "description": "",
  "type": "module",
  "scripts": {
    "start": "ts-node ./test.ts"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "devDependencies": {
    "ts-node": "^10.9.1",
    "typescript": "^5.1.6"
  }
}

• Operating system and version: macOS 13.5 (22G74)

• If Windows, are you using WSL or WSL2?:

Minimal reproduction

same to above

Specifications

• ts-node version:
• node version:
• TypeScript version:
• tsconfig.json, if you're using one:

{}

• package.json:

{}

• Operating systion:
• If Windows, are you using WSL or WSL2?:

[wbxl2000]

After switching to nodejs 16, I was able to execute it normally. But why is that?

[jameslan]

Seems to be duplicated with #1997