Node.js v17 ESM loader for tsconfig-paths + ts-node

tsconfig-paths-node-esm-loader.js

// @ts-check
import { Module } from 'node:module'
import { createMatchPath, loadConfig, register } from 'tsconfig-paths';
export { load, getFormat, transformSource } from 'ts-node/esm.mjs'
import { resolve as tsNodeResolve } from 'ts-node/esm.mjs'

const configLoaderResult = loadConfig();

let matchPath;

if (configLoaderResult.resultType === 'success') {
  register(configLoaderResult)
  matchPath = createMatchPath(
    configLoaderResult.absoluteBaseUrl,
    configLoaderResult.paths,
    configLoaderResult.mainFields,
    configLoaderResult.addMatchAll
  );
} else {
  console.warn(`${configLoaderResult.message}. tsconfig-paths will be skipped`);
}

/**
 * @param {string} path
 * @param {*} context
 * @param {*} defaultResolve
 * @returns
 */
export async function resolve(path, context, defaultResolve) {
  if (matchPath && !path.startsWith('node:') && !Module.builtinModules.includes(path)) {
    const matchedPath = matchPath(path);
    path = matchedPath ?? path
  }

  return tsNodeResolve.call(this, path, context, defaultResolve);
}