P.S: Ran the cmd without nodemon as well, same error

README.md

To try this, run npm start

index.ts

import './other';

nodemon.json

{
    "watch": ["src/"],
    "ext": "ts,json",
    "exec": "node --loader ts-node/esm --experimental-specifier-resolution=node src/index.ts", 
    "events": {
          "start": "cls || clear"
    }
}

other.ts

export {};
console.log('hello from other');

package.json

{
    "name": "multibot",
    "version": "0.0.1",
    "description": "A multi-purpose bot without premiums.",
    "type": "module",
    "scripts": {
        "start": "cross-env NODE_OPTIONS=--experimental-specifier-resolution=node ts-node ./index.ts"
    },
    "devDependencies": {
        "cross-env": "^7.0.3",
        "ts-node": "^10.7.0",
        "typescript": "^4.6.2"
    }
}

tsconfig.json

{
	"compilerOptions": {
		"target": "ESNext",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
		"module": "ESNext",                                /* Specify what module code is generated. */
		"moduleResolution": "node",                       /* Specify how TypeScript looks up a file from a given module specifier. */
	},
	"ts-node": {
		"esm": true
	}
}