TypeError: Cannot read property indexOf of undefined

[nimatrazmjo]

Monoose version:

"mongoose": "^5.9.25",

When I want to enable update in slug generation it returns bellow error:

Before this, it was working, but now have the above issue

[razmjo-netlinks]

@talha-asad need your help please

[nimatrazmjo]

It works fine if I downgrade my mongoose npm version to 5.8.11

[Vednus]

This is a small bug in this package where slugField should be slugFields. Below is the patch

diff --git a/node_modules/mongoose-url-slugs/index.js b/node_modules/mongoose-url-slugs/index.js
index 5e560ac..9eba3ec 100644
--- a/node_modules/mongoose-url-slugs/index.js
+++ b/node_modules/mongoose-url-slugs/index.js
@@ -212,7 +212,7 @@ module.exports = function(slugFields, options) {
         if (toSlugify.length) toSlugify = toSlugify.substr(0, toSlugify.length - 1);
         else toSlugify = options.undefinedVal;
       } else {
-        if (!doc.isSelected(slugField)) slugFieldsSelected = false;
+        if (!doc.isSelected(slugFields)) slugFieldsSelected = false;
         if (doc.isModified(slugFields)) slugFieldsModified = true;
         var slugPart = doc.get(slugFields, String);
         if (slugPart !== undefined) toSlugify += slugPart;

[Vednus]

It was actually fixed here: #51, but a new package was never created on npm.