instance method `format`

Ruby on Rails 4.1.16

Since v3.0.20

Available in: v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

format(view_path = [])

Returns the MIME type for the \format used in the request.

GET /posts/5.xml   | request.format => Mime::XML
GET /posts/5.xhtml | request.format => Mime::HTML
GET /posts/5       | request.format => Mime::HTML or MIME::JS, or request.accepts.first

Parameters

view_path opt = []

Source

# File actionpack/lib/action_dispatch/http/mime_negotiation.rb, line 52
      def format(view_path = [])
        formats.first || Mime::NullType.instance
      end

Defined in actionpack/lib/action_dispatch/http/mime_negotiation.rb line 52 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActionDispatch::Http::MimeNegotiation

Signature

Parameters