packager

app/node_modules/nodeify/index.js

@@ -0,0 +1,54 @@
+var Promise = require('promise');
+var isPromise = require('is-promise');
+
+var nextTick;
+if (typeof setImmediate === 'function') nextTick = setImmediate
+else if (typeof process === 'object' && process && process.nextTick) nextTick = process.nextTick
+else nextTick = function (cb) { setTimeout(cb, 0) }
+
+module.exports = nodeify;
+function nodeify(promise, cb) {
+  if (typeof cb !== 'function') return promise;
+  return promise
+    .then(function (res) {
+      nextTick(function () {
+        cb(null, res);
+      });
+    }, function (err) {
+      nextTick(function () {
+        cb(err);
+      });
+    });
+}
+function nodeifyThis(cb) {
+  return nodeify(this, cb);
+}
+
+nodeify.extend = extend;
+nodeify.Promise = NodeifyPromise;
+
+function extend(prom) {
+  if (prom && isPromise(prom)) {
+    prom.nodeify = nodeifyThis;
+    var then = prom.then;
+    prom.then = function () {
+      return extend(then.apply(this, arguments));
+    };
+    return prom;
+  } else if (typeof prom === 'function') {
+    prom.prototype.nodeify = nodeifyThis;
+  } else {
+    Promise.prototype.nodeify = nodeifyThis;
+  }
+}
+
+function NodeifyPromise(fn) {
+  if (!(this instanceof NodeifyPromise)) {
+    return new NodeifyPromise(fn);
+  }
+  Promise.call(this, fn);
+  extend(this);
+}
+
+NodeifyPromise.prototype = Object.create(Promise.prototype);
+NodeifyPromise.prototype.constructor = NodeifyPromise;