install gulp to process code

node_modules/glob-watcher/lib/normalize-args.js

@@ -0,0 +1,33 @@
+'use strict';
+
+var defaultOpts = {
+  delay: 200,
+  events: ['add', 'change', 'unlink'],
+  ignored: [],
+  ignoreInitial: true,
+  queue: true,
+};
+
+function normalizeArgs(glob, options, cb, next) {
+  if (typeof options === 'function') {
+    cb = options;
+    options = {};
+  }
+
+  var opts = Object.assign({}, defaultOpts, options);
+
+  if (!Array.isArray(opts.events)) {
+    opts.events = [opts.events];
+  }
+
+  if (Array.isArray(glob)) {
+    // We slice so we don't mutate the passed globs array
+    glob = glob.slice();
+  } else {
+    glob = [glob];
+  }
+
+  return next(glob, opts, cb);
+}
+
+module.exports = normalizeArgs;