fetch patch request is not allowed

Question

I have two apps one is a react front end and the second one is the rails-api app.

I have been happily using isomorphic-fetch till I needed to send PATCH method to th

Answer 1

I had a very similar problem with reactJS front end and rails API using Rack::Cors, and adding patch to the list of allowed methods solved the problem for me.

config.middleware.insert_before 0, Rack::Cors do
  allow do
    origins '*'
    resource '*', headers: :any, methods: [:get, :post, :patch, :options]
  end
end