選択できるのは25トピックまでです。 トピックは、先頭が英数字で、英数字とダッシュ('-')を使用した35文字以内のものにしてください。
Yann Esposito (Yogsototh) c7daceca04 removed min bound on servant version 6年前
example removed min bound on servant version 6年前
src/Servant Update for swagger2-1.1.1 6年前
test Add custom schema example for Hackage API example 6年前
.gitignore Ignore swagger.json 6年前
CHANGELOG.md Bump version and add changelog 6年前
LICENSE Add BSD3 LICENSE content 6年前
README.md Expand README on trying out and contributing 6年前
Setup.hs Added setup.hs and source repo info 6年前
servant-swagger.cabal removed min bound on servant version 6年前
stack.yaml Fix to make it work with the current unerleased servant 0.5 version 6年前

README.md

servant-swagger
Hackage

This project converts servant APIs into Swagger 2.0 conforming JSON.


Given the following servant API, servant-swagger generates the following json.

Input

{-# LANGUAGE DataKinds                  #-}
{-# LANGUAGE DeriveGeneric              #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# LANGUAGE OverloadedStrings          #-}
{-# LANGUAGE TypeOperators              #-}
module Main where

import Control.Lens
import Data.Aeson
import qualified Data.ByteString.Lazy.Char8 as BL8
import Data.Proxy
import Data.Swagger
import GHC.Generics
import Servant
import Servant.Swagger

-- Types
data Todo = Todo
  { created     :: Int
  , description :: String
  } deriving (Show, Eq, Generic)

instance ToJSON Todo

newtype TodoId = TodoId String deriving (FromText, Generic)

-- API
type API = "todo" :> Capture "id" TodoId :> Get '[JSON] Todo

-- Swagger Doc
swagDoc :: Swagger
swagDoc = toSwagger (Proxy :: Proxy API)
  & info.infoTitle   .~ "Todo API"
  & info.infoVersion .~ "1.0"
  & info.infoDescription ?~ "This is an API that tests servant-swagger support for a Todo"
  & info.infoLicense ?~ License "MIT" (Just (URL "http://mit.com"))

-- Documentation and annotations
instance ToParamSchema TodoId

instance ToSchema Todo where
  declareNamedSchema proxy = do
    (name, schema) <- genericDeclareNamedSchema defaultSchemaOptions proxy
    return (name, schema
      & schemaDescription ?~ "This is some real Todo right here"
      & schemaExample ?~ toJSON (Todo 100 "get milk"))

-- Main, create swaggger.json
main :: IO ()
main = BL8.writeFile "swagger.json" (encode swagDoc)

Output

{
   "swagger":"2.0",
   "info":{
      "version":"1.0",
      "title":"Todo API",
      "license":{
         "url":"http://mit.com",
         "name":"MIT"
      },
      "description":"This is an API that tests servant-swagger support for a Todo"
   },
   "definitions":{
      "Todo":{
         "example":{
            "created":100,
            "description":"get milk"
         },
         "required":[
            "created",
            "description"
         ],
         "type":"object",
         "description":"This is some real Todo right here",
         "properties":{
            "created":{
               "maximum":9223372036854775807,
               "minimum":-9223372036854775808,
               "type":"integer"
            },
            "description":{
               "type":"string"
            }
         }
      }
   },
   "paths":{
      "/todo/{id}":{
         "get":{
            "responses":{
               "404":{
                  "description":"id not found"
               },
               "200":{
                  "schema":{
                     "$ref":"#/definitions/Todo"
                  },
                  "description":""
               }
            },
            "produces":[
               "application/json"
            ],
            "parameters":[
               {
                  "required":true,
                  "in":"path",
                  "name":"id",
                  "type":"string"
               }
            ]
         }
      }
   }
}

Try it out

All generated swagger specifications can be interactively viewed on Swagger Editor.

Ready-to-use specification can be served as JSON and interactive API documentation can be displayed using Swagger UI.

Many Swagger tools, including server and client code generation for many languages, can be found on Swagger's Tools and Integrations page.

FAQ

  • Q: How is this project different from the swagger package on hackage ?
    • A: This package is based on the latest Swagger 2.0 API

Contributing

We are happy to receive bug reports, fixes, documentation enhancements, and other improvements.

Please report bugs via the github issue tracker.