// in this example we explicitly specify both "async" and
// "await" as in the es7 standard.  see the other example
// "filewalk-autoasync.slisp" for an alternative.

#use "async"

// uncomment the appropriate section below
// to generate code in that style

// for callbacks
(alias async asynccb)
(alias await awaitcb)
(var fs (require 'fs'))

// for promises
//(alias async asyncp)
//(alias await awaitp)
//(require "native-promise-only")
//(var fs (require "fs-promise"))

// for generators (run with: node --harmony)
//(alias async asyncgen)
//(alias await awaitgen)
//(var co (require 'co'))
//(var fs (require 'co-fs'))

// for synchronous calls
//(alias async sync)
//(alias await awaitsync)
//(var fs (require 'fs'))

(var walk (async function (rootDir)
  (await files (fs.readdir rootDir)
    (each files
      (async function (file)
        (var filePath (str rootDir '/' file))
        (await stats (fs.stat filePath)
          (if? (stats.isDirectory)
            (||
              (console.log 'directory:' filePath)
              (walk filePath))
            (|| (console.log filePath) true))
          (console.error "a stat error occurred:" err))))
    (console.error "a readdir error occurred:" err))))

(walk '.')