refactor(gen-docs): use q, qq, q-fs (node modules) to write gen-docs

- re-write gendocs.js, reader.js and writer.js
- all calls are asynchronous

6 files changed, 303 insertions, 343 deletions

diff --git a/docs/src/appCache.js b/docs/src/appCache.js
index 994054c2..cf7827bf 100644
--- a/docs/src/appCache.js
+++ b/docs/src/appCache.js
@@ -3,48 +3,73 @@
 */
 
 exports.appCache = appCache;
-var fs = require('fs');
+var fs = require('q-fs');
+var Q = require('qq');
+function identity($) {return $;}
 
 function appCache(path) {
-    var blackList = [ "offline.html",
-                      "sitemap.xml",
-                      "robots.txt",
-                      "docs-scenario.html",
-                      "docs-scenario.js",
-                      "app-cache.manifest"
+    if(!path) {
+      return appCacheTemplate();
+    }
+    var blackList = ["offline.html",
+                     "sitemap.xml",
+                     "robots.txt",
+                     "docs-scenario.html",
+                     "docs-scenario.js",
+                     "appcache.manifest"
                     ];
 
     var result = ["CACHE MANIFEST",
-                        "# %TIMESTAMP%",
-                        "",
-                        "# cache all of these",
-                        "CACHE:",
-                        "../angular.min.js"];
+                  "# " + new Date().toISOString(),
+                  "",
+                  "# cache all of these",
+                  "CACHE:",
+                  "../angular.min.js"];
+
+    var resultPostfix = ["",
+                         "FALLBACK:",
+                         "/offline.html",
+                         "",
+                         "# allow access to google analytics and twitter when we are online",
+                         "NETWORK:",
+                         "*"];
+
+    var promise = fs.listTree(path).then(function(files){
+      var fileFutures = [];
+      files.forEach(function(file){
+        fileFutures.push(fs.isFile(file).then(function(isFile){
+          if (isFile && blackList.indexOf(file) == -1) {
+            return file.replace('build/docs/','');
+          }
+        }));
+      });
+      return Q.deep(fileFutures);
+    }).then(function(files){
+     return result.concat(files.filter(identity)).concat(resultPostfix).join('\n');
+    });
 
-    var resultPostfix = [ "",
-                        "FALLBACK:",
-                        "/offline.html",
-                        "",
-                        "# allow access to google analytics and twitter when we are online",
-                        "NETWORK:",
-                        "*"];
-    walk(path,result,blackList);
-    return result.join('\n').replace(/%TIMESTAMP%/, (new Date()).toISOString()) + '\n' + resultPostfix.join('\n');
+    return promise;
 }
 
-function walk(path, array, blackList) {
-  var temp = fs.readdirSync(path);
-  for (var i=0; i< temp.length; i++) {
-    if(blackList.indexOf(temp[i]) < 0) {
-      var currentPath = path + '/' + temp[i];
-      var stat = fs.statSync(currentPath);
-      
-      if (stat.isDirectory()) {
-        walk(currentPath, array, blackList);
-      }
-      else {
-        array.push(currentPath.replace('build/docs/',''));
-      }
-    }
-  }
-}
\ No newline at end of file
+function appCacheTemplate() {
+  return ["CACHE MANIFEST",
+          "# " + new Date().toISOString(),
+          "",
+          "# cache all of these",
+          "CACHE:",
+          "syntaxhighlighter/syntaxhighlighter-combined.js",
+          "../angular.min.js",
+          "docs-combined.js",
+          "docs-keywords.js",
+          "docs-combined.css",
+          "syntaxhighlighter/syntaxhighlighter-combined.css",
+          "img/texture_1.png",
+          "img/yellow_bkgnd.jpg",
+          "",
+          "FALLBACK:",
+          "/ offline.html",
+          "",
+          "# allow access to google analytics and twitter when we are online",
+          "NETWORK:",
+          "*"].join('\n');
+}
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;
diff --git a/docs/src/gen-docs.js b/docs/src/gen-docs.js
index 8ed0c563..2cbc9267 100755
--- a/docs/src/gen-docs.js
+++ b/docs/src/gen-docs.js
@@ -3,90 +3,77 @@ require.paths.push('lib');
 var reader = require('reader.js'),
     ngdoc = require('ngdoc.js'),
     writer = require('writer.js'),
-    callback = require('callback.js'),
     SiteMap = require('SiteMap.js').SiteMap,
-    appCache = require('appCache.js');
+    appCache = require('appCache.js').appCache,
+    Q = require('qq');
 
-var docs = [];
-var start;
-var work = callback.chain(function(){
-  start = now();
-  console.log('Generating Angular Reference Documentation...');
-  reader.collect(work.waitMany(function(text, file, line){
-    var doc = new ngdoc.Doc(text, file, line);
-    docs.push(doc);
-    doc.parse();
-  }));
+process.on('uncaughtException', function (err) {
+  console.error(err.stack || err);
 });
-var writes = callback.chain(function(){
+
+var start = now();
+var docs;
+
+writer.makeDir('build/docs/syntaxhighlighter').then(function() {
+  console.log('Generating Angular Reference Documentation...');
+  return reader.collect();
+}).then(function generateHtmlDocPartials(docs_) {
+  docs = docs_;
   ngdoc.merge(docs);
+  var fileFutures = [];
   docs.forEach(function(doc){
-    writer.output(doc.section + '/' + doc.id + '.html', doc.html(), writes.waitFor());
+    fileFutures.push(writer.output(doc.section + '/' + doc.id + '.html', doc.html()));
   });
+
+  writeTheRest(fileFutures);
+
+  return Q.deep(fileFutures);
+}).then(function generateManifestFile() {
+  return appCache('build/docs/').then(function(list) {
+    writer.output('appcache-offline.manifest',list)
+  });
+}).then(function printStats() {
+  console.log('DONE. Generated ' + docs.length + ' pages in ' + (now()-start) + 'ms.' );
+}).end();
+
+
+function writeTheRest(writesFuture) {
   var metadata = ngdoc.metadata(docs);
-  writer.output('docs-keywords.js', ['NG_PAGES=', JSON.stringify(metadata).replace(/{/g, '\n{'), ';'], writes.waitFor());
-  writer.copyDir('img', writes.waitFor());
-  writer.copyDir('examples', writes.waitFor());
-  writer.copyTpl('index.html', writes.waitFor());
-  writer.copyTpl('.htaccess', writes.waitFor());
-  writer.copy('docs/src/templates/index.html', 'build/docs/index-jq.html', writes.waitFor(),
-              '<-- jquery place holder -->', '<script src=\"jquery.min.js\"><\/script>');
-  writer.copyTpl('offline.html', writes.waitFor());
-  //writer.output('app-cache.manifest',
-    //            appCacheTemplate().replace(/%TIMESTAMP%/, (new Date()).toISOString()),
-      //          writes.waitFor());
-  writer.merge(['docs.js',
-                'doc_widgets.js'],
-               'docs-combined.js',
-               writes.waitFor());
-  writer.merge(['docs.css',
-                'doc_widgets.css'],
-               'docs-combined.css',
-               writes.waitFor());
-  writer.copyTpl('docs-scenario.html', writes.waitFor());
-  writer.output('docs-scenario.js', ngdoc.scenarios(docs), writes.waitFor());
-  writer.output('sitemap.xml', new SiteMap(docs).render(), writes.waitFor());
-  writer.output('robots.txt', 'Sitemap: http://docs.angularjs.org/sitemap.xml\n', writes.waitFor());
-  writer.merge(['syntaxhighlighter/shCore.js',
-                'syntaxhighlighter/shBrushJScript.js',
-                'syntaxhighlighter/shBrushXml.js'],
-               'syntaxhighlighter/syntaxhighlighter-combined.js',
-               writes.waitFor());
-  writer.merge(['syntaxhighlighter/shCore.css',
-                'syntaxhighlighter/shThemeDefault.css'],
-               'syntaxhighlighter/syntaxhighlighter-combined.css',
-               writes.waitFor());
-  writer.copyTpl('jquery.min.js', writes.waitFor());
-  writer.output('app-cache.manifest', appCache('build/docs/'), writes.waitFor());
-});
-writes.onDone(function(){
-  console.log('DONE. Generated ' + docs.length + ' pages in ' +
-      (now()-start) + 'ms.' );
-});
-work.onDone(writes);
-writer.makeDir('build/docs/syntaxhighlighter', work);
 
-///////////////////////////////////
-function now(){ return new Date().getTime(); }
+  writesFuture.push(writer.copyDir('img'));
+  writesFuture.push(writer.copyDir('examples'));
+  writesFuture.push(writer.copyTpl('index.html'));
+  writesFuture.push(writer.copy('docs/src/templates/index.html',
+                                'build/docs/index-jq.html',
+                                '<!-- jquery place holder -->',
+                                '<script src=\"jquery.min.js\"><\/script>'));
+  writesFuture.push(writer.copyTpl('offline.html'));
+  writesFuture.push(writer.copyTpl('docs-scenario.html'));
+  writesFuture.push(writer.copyTpl('jquery.min.js'));
 
+  writesFuture.push(writer.output('docs-keywords.js',
+                                ['NG_PAGES=', JSON.stringify(metadata).replace(/{/g, '\n{'), ';']));
+  writesFuture.push(writer.output('sitemap.xml', new SiteMap(docs).render()));
+  writesFuture.push(writer.output('docs-scenario.js', ngdoc.scenarios(docs)));
+  writesFuture.push(writer.output('robots.txt', 'Sitemap: http://docs.angularjs.org/sitemap.xml\n'));
+  writesFuture.push(writer.output('appcache.manifest',appCache()));
 
-function appCacheTemplate() {
-  return ["CACHE MANIFEST",
-          "# %TIMESTAMP%",
-          "",
-          "# cache all of these",
-          "CACHE:",
-          "syntaxhighlighter/syntaxhighlighter-combined.js",
-          "../angular.min.js",
-          "docs-combined.js",
-          "docs-keywords.js",
-          "docs-combined.css",
-          "syntaxhighlighter/syntaxhighlighter-combined.css",
-          "",
-          "FALLBACK:",
-          "/ offline.html",
-          "",
-          "# allow access to google analytics and twitter when we are online",
-          "NETWORK:",
-          "*"].join('\n');
+  writesFuture.push(writer.merge(['docs.js',
+                                  'doc_widgets.js'],
+                                  'docs-combined.js'));
+  writesFuture.push(writer.merge(['docs.css',
+                                  'doc_widgets.css'],
+                                  'docs-combined.css'));
+  writesFuture.push(writer.merge(['syntaxhighlighter/shCore.js',
+                                  'syntaxhighlighter/shBrushJScript.js',
+                                  'syntaxhighlighter/shBrushXml.js'],
+                                  'syntaxhighlighter/syntaxhighlighter-combined.js'));
+  writesFuture.push(writer.merge(['syntaxhighlighter/shCore.css',
+                                  'syntaxhighlighter/shThemeDefault.css'],
+                                  'syntaxhighlighter/syntaxhighlighter-combined.css'));
 }
+
+
+function now(){ return new Date().getTime(); }
+
+function noop(){};
diff --git a/docs/src/reader.js b/docs/src/reader.js
index 7342e6df..8ea59af9 100644
--- a/docs/src/reader.js
+++ b/docs/src/reader.js
@@ -2,98 +2,98 @@
  * All reading related code here. This is so that we can separate the async code from sync code
  * for testability
  */
+
+exports.collect = collect;
+
 require.paths.push(__dirname);
-var fs       = require('fs'),
-    callback = require('callback');
+var ngdoc = require('ngdoc.js'),
+    Q = require('qq'),
+    qfs = require('q-fs');
 
 var NEW_LINE = /\n\r?/;
 
-function collect(callback){
-   findJsFiles('src', callback.waitMany(function(file) {
-     console.log('reading', file, '...');
-     findNgDocInJsFile(file, callback.waitMany(function(doc, line) {
-       callback('@section api\n' + doc, file, line);
-    }));
-  }));
-  findNgDocInDir('docs/content', callback.waitMany(callback));
-  callback.done();
-}
+function collect() {
+  var allDocs = [];
 
-function findJsFiles(dir, callback){
-  fs.readdir(dir, callback.waitFor(function(err, files){
-    if (err) return this.error(err);
-    files.forEach(function(file){
-      var path = dir + '/' + file;
-      fs.lstat(path, callback.waitFor(function(err, stat){
-        if (err) return this.error(err);
-        if (stat.isDirectory())
-          findJsFiles(path, callback.waitMany(callback));
-        else if (/\.js$/.test(path))
-          callback(path);
-      }));
+  //collect docs in JS Files
+  var path = 'src';
+  var promiseA = Q.when(qfs.listTree(path), function(files) {
+    var done;
+    //read all files in parallel.
+    files.forEach(function(file) {
+      var work;
+      if(/\.js$/.test(file)) {
+        console.log("reading " + file + ".......");
+        work = Q.when(qfs.read(file), function(content) {
+          processJsFile(content, file).forEach (function(doc) {
+            allDocs.push(doc);
+          });
+        });
+      }
+      done = Q.when(done, function() {
+        return work;
+      });
     });
-    callback.done();
-  }));
-}
+    return done;
+  });
 
-function findNgDocInDir(directory, docNotify) {
-  fs.readdir(directory, docNotify.waitFor(function(err, files){
-    if (err) return this.error(err);
-    files.forEach(function(file){
-      fs.stat(directory + '/' + file, docNotify.waitFor(function(err, stats){
-        if (err) return this.error(err);
-        if (stats.isFile()) {
-          if (!file.match(/\.ngdoc$/)) return;
-          console.log('reading', directory + '/' + file, '...');
-          fs.readFile(directory + '/' + file, docNotify.waitFor(function(err, content){
-            if (err) return this.error(err);
-            var section = '@section ' + directory.split('/').pop() + '\n';
-            docNotify(section + content.toString(), directory + '/' +file, 1);
-          }));
-        } else if(stats.isDirectory()) {
-          findNgDocInDir(directory + '/' + file, docNotify.waitFor(docNotify));
-        }
-      }));
-    });
-    docNotify.done();
-  }));
-}
+   //collect all NG Docs in Content Folder
+   var path2 = 'docs/content';
+   var promiseB = Q.when(qfs.listTree(path2), function(files){
+     var done2;
+     files.forEach(function(file) {
+       var work2;
+       if (file.match(/\.ngdoc$/)) {
+         console.log("reading " + file + ".......");
+         work2 = Q.when(qfs.read(file), function(content){
+            var section = '@section ' + file.split('/')[2] + '\n';
+            allDocs.push(new ngdoc.Doc(section + content.toString(),file, 1).parse());
+          });
+       }
+       done2 = Q.when(done2, function() {
+         return work2;
+       });
+     });
+     return done2;
+   });
 
-function findNgDocInJsFile(file, callback) {
-  fs.readFile(file, callback.waitFor(function(err, content){
-    var lines = content.toString().split(NEW_LINE);
-    var text;
-    var startingLine ;
-    var match;
-    var inDoc = false;
-    lines.forEach(function(line, lineNumber){
-      lineNumber++;
-      // is the comment starting?
-      if (!inDoc && (match = line.match(/^\s*\/\*\*\s*(.*)$/))) {
-        line = match[1];
-        inDoc = true;
-        text = [];
-        startingLine = lineNumber;
-      }
-      // are we done?
-      if (inDoc && line.match(/\*\//)) {
-        text = text.join('\n');
-        text = text.replace(/^\n/, '');
-        if (text.match(/@ngdoc/)){
-          callback(text, startingLine);
-        }
-        doc = null;
-        inDoc = false;
-      }
-      // is the comment add text
-      if (inDoc){
-        text.push(line.replace(/^\s*\*\s?/, ''));
-      }
-    });
-    callback.done();
-  }));
+  return Q.join(promiseA, promiseB, function() {
+    return allDocs;
+  });
 }
 
+function processJsFile(content, file) {
+  var docs = [];
+  var lines = content.toString().split(NEW_LINE);
+  var text;
+  var startingLine ;
+  var match;
+  var inDoc = false;
 
-
-exports.collect = collect;
+  lines.forEach(function(line, lineNumber){
+    lineNumber++;
+    // is the comment starting?
+    if (!inDoc && (match = line.match(/^\s*\/\*\*\s*(.*)$/))) {
+      line = match[1];
+      inDoc = true;
+      text = [];
+      startingLine = lineNumber;
+    }
+    // are we done?
+    if (inDoc && line.match(/\*\//)) {
+      text = text.join('\n');
+      text = text.replace(/^\n/, '');
+      if (text.match(/@ngdoc/)){
+        //console.log(file, startingLine)
+        docs.push(new ngdoc.Doc('@section api\n' + text, file, startingLine).parse());
+      }
+      doc = null;
+      inDoc = false;
+    }
+    // is the comment add text
+    if (inDoc){
+      text.push(line.replace(/^\s*\*\s?/, ''));
+    }
+  });
+  return docs;
+}
\ No newline at end of file
diff --git a/docs/src/templates/index.html b/docs/src/templates/index.html
index 79c6a07c..ce8e9718 100644
--- a/docs/src/templates/index.html
+++ b/docs/src/templates/index.html
@@ -2,7 +2,7 @@
 <html xmlns:ng="http://angularjs.org/"
       xmlns:doc="http://docs.angularjs.org/"
       ng:controller="DocsController"
-      manifest="app-cache.manifest">
+      manifest="appcache.manifest">
 <head>
   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
   <title ng:bind-template="AngularJS: {{partialTitle}}">AngularJS</title>
@@ -76,7 +76,7 @@
   </div>
 
   <script src="syntaxhighlighter/syntaxhighlighter-combined.js"></script>
-  <-- jquery place holder -->
+  <!-- jquery place holder -->
   <script src="../angular.min.js" ng:autobind></script>
   <script src="docs-combined.js"></script>
   <script src="docs-keywords.js"></script>
diff --git a/docs/src/writer.js b/docs/src/writer.js
index 0655572d..1acf9df7 100644
--- a/docs/src/writer.js
+++ b/docs/src/writer.js
@@ -3,37 +3,113 @@
  * for testability
  */
 require.paths.push(__dirname);
-var fs         = require('fs');
+var qfs = require('q-fs');
+var Q = require('qq');
 var OUTPUT_DIR = "build/docs/";
+var fs = require('fs');
 
-function output(docs, content, callback){
-  callback();
+exports.output = function(file, content){
+  console.log('writing ', file);
+  var fullPath = OUTPUT_DIR + file;
+  var dir = parent(fullPath);
+  return Q.when(exports.makeDir(dir), function(error) {
+    qfs.write(fullPath,exports.toString(content));
+  });
+}
+
+//recursively create directory
+exports.makeDir = function (path) {
+  var parts = path.split(/\//);
+  var path = ".";
+  //Sequentially create directories
+  var done = Q.defer();
+  (function createPart() {
+
+    if(!parts.length) {
+      done.resolve();
+    } else {
+      path += "/" + parts.shift();
+      qfs.isDirectory(path).then(function(isDir) {
+        if(!isDir) {
+          qfs.makeDirectory(path);
+        }
+        createPart();
+      });
+    }
+  })();
+  return done.promise;
+};
+
+exports.copyTpl = function(filename) {
+  return exports.copy('docs/src/templates/' + filename, OUTPUT_DIR + filename);
+};
+
+exports.copy = function (from, to, replacementKey, replacement) {
+  // Have to use rb (read binary), char 'r' is infered by library.
+  return qfs.read(from,'b').then(function(content) {
+    if(replacementKey && replacement) {
+      content = content.toString().replace(replacementKey, replacement);
+    }
+    qfs.write(to, content);
+  });
+}
+
+exports.copyDir = function copyDir(dir) {
+  return qfs.listDirectoryTree('docs/' + dir).then(function(dirs) {
+    var done;
+    dirs.forEach(function(dirToMake) {
+      done = Q.when(done, function() {
+       return exports.makeDir("./build/" + dirToMake);
+      });
+    });
+    return done;
+  }).then(function() {
+    return qfs.listTree('docs/' + dir);
+  }).then(function(files) {
+    files.forEach( function(file) {
+      exports.copy(file,'./build/' + file);
+    });
+  });
+};
+
+exports.merge = function(srcs, to) {
+  return merge(srcs.map(function(src) { return 'docs/src/templates/' + src; }), OUTPUT_DIR + to);
+};
+
+function merge(srcs, to) {
+  var contents = [];
+  //Sequentially read file
+  var done;
+  srcs.forEach(function (src) {
+    done = Q.when(done, function(content) {
+      if(content) contents.push(content);
+      return qfs.read(src);
+    });
+  });
+
+  // write to file
+  return Q.when(done, function(content) {
+    contents.push(content);
+    qfs.write(to, contents.join('\n'));
+  });
 }
 
+//----------------------- Synchronous Methods ----------------------------------
+
 function parent(file) {
   var parts = file.split('/');
   parts.pop();
   return parts.join('/');
 }
 
-exports.output = function(file, content, callback){
-  console.log('write', file);
-  exports.makeDir(parent(OUTPUT_DIR + file), callback.waitFor(function(){
-    fs.writeFile(
-        OUTPUT_DIR + file,
-        exports.toString(content),
-        callback);
-  }));
-};
 
-
-exports.toString = function toString(obj){
+exports.toString = function toString(obj) {
   switch (typeof obj) {
   case 'string':
     return obj;
   case 'object':
     if (obj instanceof Array) {
-      obj.forEach(function (value, key){
+      obj.forEach(function (value, key) {
         obj[key] = toString(value);
       });
       return obj.join('');
@@ -44,64 +120,5 @@ exports.toString = function toString(obj){
   return obj;
 };
 
-exports.makeDir = function (path, callback) {
-  var parts = path.split(/\//);
-  path = '.';
-  (function next(error){
-    if (error && error.code != 'EEXIST') return callback.error(error);
-    if (parts.length) {
-      path += '/' + parts.shift();
-      fs.mkdir(path, 0777, next);
-    } else {
-      callback();
-    }
-  })();
-};
-
-exports.copyTpl = function(filename, callback) {
-  exports.copy('docs/src/templates/' + filename, OUTPUT_DIR + filename, callback);
-};
 
-exports.copy = function(from, to, callback, replacementKey, replacement) {
-  //console.log('writing', to, '...');
-  fs.readFile(from, function(err, content){
-    if (err) return callback.error(err);
-    if(replacementKey && replacement) {
-      content = content.toString().replace(replacementKey, replacement);
-    }
-    fs.writeFile(to, content, callback);
-  });
-};
-
-exports.copyDir = function copyDir(dir, callback) {
-  exports.makeDir(OUTPUT_DIR + '/' + dir, callback.waitFor(function(){
-    fs.readdir('docs/' + dir, callback.waitFor(function(err, files){
-      if (err) return this.error(err);
-      files.forEach(function(file){
-        var path = 'docs/' + dir + '/' + file;
-        fs.stat(path, callback.waitFor(function(err, stat) {
-          if (err) return this.error(err);
-          if (stat.isDirectory()) {
-            copyDir(dir + '/' + file, callback.waitFor());
-          } else {
-            exports.copy(path, OUTPUT_DIR  + '/' + dir + '/' + file, callback.waitFor());
-          }
-        }));
-      });
-      callback();
-    }));
-  }));
-};
-
-
-exports.merge = function(srcs, to, callback){
-  merge(srcs.map(function(src) { return 'docs/src/templates/' + src; }), OUTPUT_DIR + to, callback);
-};
-
-function merge(srcs, to, callback) {
-  var content = [];
-  srcs.forEach(function (src) {
-    content.push(fs.readFileSync(src));
-  });
-  fs.writeFile(to, content.join('\n'), callback.waitFor());
-}
+function noop(){};