rollup-plugin-require-context2/src/helper/resolve-reqquire-modules.js

rollup-plugin for webpack requrie-context

const fs = require('fs');
const Path = require('path');

function readDirRecursive(dir) {
  return fs.statSync(dir).isDirectory() ?
    Array.prototype.concat(
      ...fs.readdirSync(dir).map(f => readDirRecursive(Path.join(dir, f)))
    )
    : dir;
}

function readDir(dir, recursive) {
  const isDirectory = fs.statSync(dir).isDirectory();
  if (recursive) {
    return readDirRecursive(dir);
  } else if (isDirectory) {
    const files = fs.readdirSync(dir);
    if (files) {
      return files.map(file => Path.resolve(dir, file));
    }
  } else {
    return [ dir ];
  }
}

module.exports = function resolveRequireModules(baseDirname = './', recursive = false, regexp = /^\.\//) {
  let files = readDir(baseDirname, recursive);
  if (!Array.isArray(files)) {
    files = [files];
  }
  files = files.map(file => {
    const fileAbsolutePath = `./${Path.relative(baseDirname, file)}`;
    return fileAbsolutePath;
  });
  return files.filter(file => regexp.test(file.replace(/\\/g, '/')));
};