use directories for structure

node_modules/gulp-sort/index.js

@@ -0,0 +1,43 @@
+var through = require('through2');
+
+function defaultComparator(a, b) {
+    return a.path.localeCompare(b.path);
+}
+
+module.exports = function gulpSort(params) {
+    var asc = true;
+    var comparator;
+    var files = [];
+    var customSortFn;
+
+    if (typeof params === 'function') {
+        // params is the sort comparator
+        comparator = params;
+        params = {};
+    } else {
+        params = params || {};
+        asc = typeof params.asc !== 'undefined' ? params.asc : asc;
+        comparator = params.comparator || defaultComparator;
+        customSortFn = params.customSortFn;
+    }
+
+    return through.obj(function (file, enc, cb) {
+        files.push(file);
+        cb();
+    }, function (cb) {
+        if (customSortFn) {
+            // expect customSortFn to return the files array
+            files = customSortFn(files, comparator);
+        } else {
+            // sort in-place
+            files.sort(comparator);
+        }
+        if (!asc) {
+            files.reverse();
+        }
+        files.forEach(function (file) {
+            this.push(file);
+        }, this);
+        cb();
+    });
+};