initial

eventemitter.js

@@ -0,0 +1,16 @@
+var Emitter = require('./path/to/your/module');
+var emitter = new Emitter();
+
+emitter.on(eventType, callback);
+emitter.emit(eventType);
+emitter.removeListener(eventType, callback);
+emitter.removeAllListeners(eventType);
+
+process.stdin.on('data', function(str) {
+  str = str.trim();
+  if (str === 'q') {
+    process.removeAllListeners('data');
+  } else {
+    console.log(str);
+  }
+});

fsp.js

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+fsp.readFile('./data/lorem.txt')
+  .then(function(data) {
+    // Outputs the file data
+    console.log(data);
+  })
+  .catch(function(err) {
+    console.error(err);
+  });
+
+fsp.writeFile('./data/test.txt', 'Hello!')
+  .then(function(res) {
+    // Outputs the file data
+    // after writing
+    console.log(res);
+  })
+  .catch(function(err) {
+    console.error(err);
+  });
+
+fsp.appendFile('./data/test.txt', 'Hello again!')
+  .then(function(res) {
+    // Outputs the file data
+    // after appending
+    console.log(res);
+  })
+  .catch(function(err) {
+    console.error(err);
+  });

promises.js

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+p.then(function(message) {
+  // 1 second delay
+  console.log(message); //=> Hello Promise!
+});
+
+var nums = [1, 2, 3, 4, 5, 6, 7, 8, 9];
+nums = nums.map(function(i) {
+  return Promise.resolve(i * i);
+});
+
+Promise.all(nums)
+  .then(function(results) {
+    console.log(results);
+  });
+
+var doBadThing = new Promise(function(resolve, reject) {
+  if (true) {
+    reject('Failed');
+  } else {
+    resolve('Yay!');
+  }
+});
+