Function to get an array of file paths nested inside a directory

gistfile1.txt

const fs = require("fs");
const path = require("path");

const controllersDir = path.join(__dirname, "target_dir");

const files = fs.readdirSync(controllersDir);

const getFiles = files =>
  files.reduce((acc, file) => {
    const filePath = path.join(controllersDir, file);
    const dirent = fs.lstatSync(filePath);
    let fileToReturn;

    if (dirent.isFile()) {
      fileToReturn = filePath;
    } else {
      const files = fs.readdirSync(filePath).map(f => `${file}/${f}`);
      fileToReturn = getFiles(files);
    }

    return acc.concat(fileToReturn);
  }, []);

const newFiles = getFiles(files);

console.log(newFiles);