new

Initializes a new Renderer.

#### Parameters

• `controller` - The controller class to instantiate for rendering.

• `env` - The Rack env to use for mocking a request when rendering. Entries can be typical Rack env keys and values, or they can be any of the following, which will be converted appropriately:

  • `:http_host` - The HTTP host for the incoming request. Converts to Rack’s `HTTP_HOST`.

  • `:https` - Boolean indicating whether the incoming request uses HTTPS. Converts to Rack’s `HTTPS`.

  • `:method` - The HTTP method for the incoming request, case-insensitive. Converts to Rack’s `REQUEST_METHOD`.

  • `:script_name` - The portion of the incoming request’s URL path that corresponds to the application. Converts to Rack’s `SCRIPT_NAME`.

  • `:input` - The input stream. Converts to Rack’s `rack.input`.

• `defaults` - Default values for the Rack env. Entries are specified in the same format as `env`. `env` will be merged on top of these values. `defaults` will be retained when calling #new on a renderer instance.

If no `http_host` is specified, the env HTTP host will be derived from the routes’ `default_url_options`. In this case, the `https` boolean and the `script_name` will also be derived from `default_url_options` if they were not specified. Additionally, the `https` boolean will fall back to `Rails.application.config.force_ssl` if `default_url_options` does not specify a `protocol`.