a

backend/node_modules/mongoose/lib/helpers/model/pushNestedArrayPaths.js

@@ -0,0 +1,15 @@
+'use strict';
+
+module.exports = function pushNestedArrayPaths(paths, nestedArray, path) {
+  if (nestedArray == null) {
+    return;
+  }
+
+  for (let i = 0; i < nestedArray.length; ++i) {
+    if (Array.isArray(nestedArray[i])) {
+      pushNestedArrayPaths(paths, nestedArray[i], path + '.' + i);
+    } else {
+      paths.push(path + '.' + i);
+    }
+  }
+};