Initial import with skill sheet working

node_modules/undertaker/lib/series.js

@@ -0,0 +1,31 @@
+'use strict';
+
+var bach = require('bach');
+
+var metadata = require('./helpers/metadata');
+var buildTree = require('./helpers/buildTree');
+var normalizeArgs = require('./helpers/normalizeArgs');
+var createExtensions = require('./helpers/createExtensions');
+
+function series() {
+  var create = this._settle ? bach.settleSeries : bach.series;
+
+  var args = normalizeArgs(this._registry, arguments);
+  var extensions = createExtensions(this);
+  var fn = create(args, extensions);
+  var name = '<series>';
+
+  metadata.set(fn, {
+    name: name,
+    branch: true,
+    tree: {
+      label: name,
+      type: 'function',
+      branch: true,
+      nodes: buildTree(args),
+    },
+  });
+  return fn;
+}
+
+module.exports = series;