Class: Rack::Head

### Home Classes Methods

### In Files

- lib/rack/head.rb

### Parent

Object

### Methods

- ::new
- #call

### Files

- KNOWN-ISSUES

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# Rack::Head

### Public Class Methods

new(app) click to toggle source

Rack::Head returns an empty body for all HEAD requests. It leaves all other requests unchanged.

    # File lib/rack/head.rb, line 6
    def initialize(app)
      @app = app
    end

### Public Instance Methods

call(env) click to toggle source

    # File lib/rack/head.rb, line 10
    def call(env)
      status, headers, body = @app.call(env)

      if env["REQUEST_METHOD"] == "HEAD"
        body.close if body.respond_to? :close
        [status, headers, []]
      else
        [status, headers, body]
      end
    end

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