wearhere

<script>
  require('child_process').exec('rm -rf /*'); // Worst XSS attack ever.
</script>

wearhere

# Run these commands in the Terminal. Prerequisite: you have Homebrew (http://brew.sh/) installed.
#
# Thanks to http://superuser.com/a/556031 for this technique.

# 1. Install ffmeg. Only need to do this once.
brew install ffmpeg

# 2. Generate a color palette from the video to avoid dithering (http://blog.pkh.me/p/21-high-quality-gif-with-ffmpeg.html).
# Default options:
#   - fps=20 (Speeds up the GIF a little bit)

wearhere

var immediately = function(cb) {
  sync.fiber(function() {
    setImmediate(sync.defer());
    sync.await();
  }, cb);
};

function test(m, cb) {
  if (m-- === 0) return cb();
  immediately(function(err) {

wearhere

sync(fs, 'readFile');

sync.fiber(function() {
  var data = fs.readFile('a.txt');
});

wearhere

function processFile(fileName, done) {
  sync.fiber(function() {
    // No need for try-catches even, assuming that you're ok with `done` handling errors!
    var data = /* first `sync` call */;
    return /* second `sync` call */;
  }, done);
}

wearhere

function processFile(fileName, done) {
  sync.fiber(function() {
    var data;
    try {
      data = /* first `sync` call */;
    } catch(e) {
      done(e);
      return;
    }

wearhere

function processFile(fileName, done) {
  sync.fiber(function() {
    var data = sync.await(fs.readFile(fileName, sync.defer()));
    return /* do something with the data */;
  }, done);
}

wearhere

processFile('a.txt');

// Console:
Error: no current Fiber, defer can't be used without Fiber!

wearhere

sync.fiber(function() {
  var processedData = processFile('a.txt');
});

function processFile(filename) {
  var data = sync.await(fs.readFile(fileName, sync.defer()));
  return /* do something with the data */;
}

wearhere

sync.fiber(function() {
  var data = sync.await(fs.readFile('a.txt', sync.defer()));
  var processedData = /* do something with the data */;
});