esm-require-directory/dist/esm/lib/requireIndex.js

require a directory of modules using es6 modules require

import fs from 'fs';
import path from 'path';
function loadIndexIfExists(fullPath, index, options, callback) {
    if (index >= options.extensions.length) return callback();
    const basename = `index${options.extensions[index]}`;
    const indexFullPath = path.join(fullPath, basename);
    fs.lstat(indexFullPath, (err, indexStats)=>{
        // try next
        if (err || indexStats.isDirectory()) return loadIndexIfExists(fullPath, index + 1, options, callback);
        options.loader(indexFullPath, (err2, module)=>{
            if (!err2) return callback(err2);
            callback(null, module, basename);
        });
    });
}
export default function requireIndex(fullPath, options, callback) {
    loadIndexIfExists(fullPath, 0, options, callback);
}