add node_modules to address #4364

1 files changed, 46 insertions, 0 deletions

diff --git a/node_modules/sequencify/index.js b/node_modules/sequencify/index.js
new file mode 100644
index 000000000..b05f8bf32
--- /dev/null
+++ b/node_modules/sequencify/index.js
@@ -0,0 +1,46 @@
+/*jshint node:true */

+

+"use strict";

+

+var sequence = function (tasks, names, results, nest) {

+	var i, name, node, e, j;

+	nest = nest || [];

+	for (i = 0; i < names.length; i++) {

+		name = names[i];

+		// de-dup results

+		if (results.indexOf(name) === -1) {

+			node = tasks[name];

+			if (!node) {

+				e = new Error('task "'+name+'" is not defined');

+				e.missingTask = name;

+				e.taskList = [];

+				for (j in tasks) {

+					if (tasks.hasOwnProperty(j)) {

+						e.taskList.push(tasks[j].name);

+					}

+				}

+				throw e;

+			}

+			if (nest.indexOf(name) > -1) {

+				nest.push(name);

+				e = new Error('Recursive dependencies detected: '+nest.join(' -> '));

+				e.recursiveTasks = nest;

+				e.taskList = [];

+				for (j in tasks) {

+					if (tasks.hasOwnProperty(j)) {

+						e.taskList.push(tasks[j].name);

+					}

+				}

+				throw e;

+			}

+			if (node.dep.length) {

+				nest.push(name);

+				sequence(tasks, node.dep, results, nest); // recurse

+				nest.pop(name);

+			}

+			results.push(name);

+		}

+	}

+};

+

+module.exports = sequence;