AwaitScript

wishful.js

// the way you want to do it
var files = [];

function recurse(dir) {
  dir.forEach(function (f) {
    if(stat(f).isFile()) {
      files.push(f);
    } else {
      recurse(fs.readdir(dir));
    }
  });
}

try {
  recurse(fs.readdir('.'));
} catch(e) {
  console.error(e);
}

// the magic way that could maybe work with await
var files = [];

function recurse(dir) {
  (await dir).forEach(function (f) {
    if((await stat(f)).isFile()) {
      files.push(f);
    } else {
      recurse(fs.readdir(dir));
    }
  });
}

async try {
  recurse(fs.readdir('.'));
} catch(e) {
  // same scope, not same tick
  console.error(e);
} finally {
  console.log('and done...');
}