install gulp to process code

node_modules/gulp-cli/lib/versioned/^4.0.0/normalize-error.js

@@ -0,0 +1,26 @@
+'use strict';
+
+// Normalize an undertaker v1 error like an undertaker v2 error
+function normalizeError(err) {
+  /* istanbul ignore if */
+  if (!err || !err.message) {
+    return;
+  }
+
+  var fixed0 = 'Task never defined: ';
+  var fixed1 = ' - did you mean? ';
+
+  if (err.message.startsWith(fixed0)) {
+    var task = err.message.slice(fixed0.length);
+    var index = task.indexOf(fixed1);
+
+    if (index >= 0) {
+      err.similar = task.slice(index + fixed1.length).split(', ');
+      err.task = task.slice(0, index);
+    } else {
+      err.task = task
+    }
+  }
+}
+
+module.exports = normalizeError;