icyleaf / salt

A Human Friendly Interface for HTTP webservers written in Crystal.

"Salt" icon by Creative Stall from Noun Project.

Installation

Add this to your application's shard.yml:

dependencies:
  salt:
    github: icyleaf/salt
    branch: master

Usage

require "salt"
require "salt/middlewares/session/cookie"
require "salt/middlewares/logger"

class Talk < Salt::App
  def call(env)
    env.session.set("username", "icyleaf")
    env.logger.info("Start Talking!")
    {400, { "Content-Type" => "text/plain" }, ["Can I talk to salt?"]}
  end
end

class Shout < Salt::App
  def call(env)
    call_app(env)

    env.logger.debug("Shout class")
    {status_code, headers, body.map &.upcase }
  end
end

class Speaking < Salt::App
  def call(env)
    call_app(env)

    env.logger.debug("Speaking class")
    {200, headers, ["This is Slat speaking! #{env.session.get("username")}"]}
  end
end

Salt.use Salt::Session::Cookie, secret: "<change me>"
Salt.use Salt::Logger, level: Logger::DEBUG, progname: "app"
Salt.use Shout
Salt.use Speaking

Salt.run Talk.new

Available middleware

• ShowExceptions
• CommonLogger
• Logger
• Runtime
• Session (Cookie/Redis)
• Head
• File
• Directory
• Static
• SendFile
• ETag
• BasicAuth
• Router (lightweight)

All these components use the same interface, which is described in detail in the Salt::App specification. These optional components can be used in any way you wish.

How to Contribute

Your contributions are always welcome! Please submit a pull request or create an issue to add a new question, bug or feature to the list.

All Contributors are on the wall.

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Resouces

Heavily inspired from Ruby's rack gem.

License

MIT License © icyleaf