From abd94a7f5a50f43c797a11b53549ae48fff667c3 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Mon, 10 Oct 2016 03:43:44 +0200
Subject: add node_modules to address #4364

---
 node_modules/sequencify/index.js | 46 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 node_modules/sequencify/index.js

(limited to 'node_modules/sequencify/index.js')

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;
-- 
cgit v1.2.3