1 files changed, 0 insertions, 69 deletions
diff --git a/docs/src/callback.js b/docs/src/callback.js
deleted file mode 100644
index aaf69cde..00000000
--- a/docs/src/callback.js
+++ /dev/null
@@ -1,69 +0,0 @@
-function noop(){}
-
-function chain(delegateFn, explicitDone){
-  var onDoneFn = noop;
-  var onErrorFn = function(e){
-    console.error(e.stack || e);
-    process.exit(-1);
-  };
-  var waitForCount = 1;
-  delegateFn = delegateFn || noop;
-  var stackError = new Error('capture stack');
-
-  function decrementWaitFor() {
-    waitForCount--;
-    if (waitForCount == 0)
-      onDoneFn();
-  }
-
-  function self(){
-    try {
-      return delegateFn.apply(self, arguments);
-    } catch (error) {
-      self.error(error);
-    } finally {
-      if (!explicitDone)
-        decrementWaitFor();
-    }
-  };
-  self.onDone = function(callback){
-    onDoneFn = callback;
-    return self;
-  };
-  self.onError = function(callback){
-    onErrorFn = callback;
-    return self;
-  };
-  self.waitFor = function(callback){
-    if (waitForCount == 0)
-      throw new Error("Can not wait on already called callback.");
-    waitForCount++;
-    return chain(callback).onDone(decrementWaitFor).onError(self.error);
-  };
-
-  self.waitMany = function(callback){
-    if (waitForCount == 0)
-      throw new Error("Can not wait on already called callback.");
-    waitForCount++;
-    return chain(callback, true).onDone(decrementWaitFor).onError(self.error);
-  };
-
-  self.done = function(callback){
-    decrementWaitFor();
-  };
-
-  self.error = function(error) {
-    var stack = stackError.stack.split(/\n\r?/).splice(2);
-    var nakedStack = [];
-    stack.forEach(function(frame){
-      if (!frame.match(/callback\.js:\d+:\d+\)$/))
-        nakedStack.push(frame);
-    });
-    error.stack = error.stack + '\nCalled from:\n' + nakedStack.join('\n');
-    onErrorFn(error);
-  };
-
-  return self;
-}
-
-exports.chain = chain;