install gulp to process code

node_modules/liftoff/lib/parse_options.js

@@ -0,0 +1,35 @@
+var extend = require('extend');
+
+module.exports = function (opts) {
+  var defaults = {
+    extensions: {
+      '.js': null,
+      '.json': null,
+    },
+    searchPaths: [],
+  };
+  if (!opts) {
+    opts = {};
+  }
+  if (opts.name) {
+    if (!opts.processTitle) {
+      opts.processTitle = opts.name;
+    }
+    if (!opts.configName) {
+      opts.configName = opts.name + 'file';
+    }
+    if (!opts.moduleName) {
+      opts.moduleName = opts.name;
+    }
+  }
+  if (!opts.processTitle) {
+    throw new Error('You must specify a processTitle.');
+  }
+  if (!opts.configName) {
+    throw new Error('You must specify a configName.');
+  }
+  if (!opts.moduleName) {
+    throw new Error('You must specify a moduleName.');
+  }
+  return extend(defaults, opts);
+};