import-all-index/index.js

Uses dynamic import() to recursively loop through a directory tree, import all index.mjs files and return an array of references to the imported modules

import fs from 'fs'
import path from 'path'
import url from 'url'

export default function importAllIndex (dir) {
  return new Promise(async resolve => {
    let imported = []
    let files = fs.readdirSync(dir)

    for (let file of files) {
      let filePath = path.join(dir, file)
      if (fs.statSync(filePath).isDirectory()) {
        let childImport = await importAllIndex(filePath)
        imported = imported.concat(childImport)
      } else if (file === 'index.mjs' || file === 'index.js') {
        let imp = await import(url.pathToFileURL(filePath).toString())
        imported.push(imp)
      }
    }

    resolve(imported)
  })
}