Relationships with classes

[spruce]

I'm using classes for my models. Which means that the function lodash.isPlainObject returns false. Even if it should serialize the relationship.

I changed this

jsonapi-serializer/lib/serializer-utils.js

Line 19 in 2c3b80f

return Array.isArray(obj) || isPlainObject(obj);

to return Array.isArray(obj) || isObjectLike(obj); which yields the correct results for me.
To make sure it keeps working I copied existing tests using plain object to use classes instead. They where failing before my fix and now work.

[michDostal]

I would like to ask if there is any chance this will be merged and released. Due to this bug I have to deploy from local (with edited serializer-utils) instead of using CI/CD. Thanks

[VincentHardouin]

Hey, we need this also on https://github.com/1024pix/pix. This is possible to merge ? If you need help you could add me to maintainer. I could review PR and merge.