master..c0ddf54 · purestack-dev/purescript-purestack-server

git.iko.soy/purestack-dev/purescript-purestack-server

on c0ddf54 help sign in

spago.dhall−8

since splitsnapshots

unifiedsplit

@@ -6,24 +6,16 @@

6 , "arrays"

7 , "console"

8 , "control"

9− , "datetime"

10 , "effect"

9 , "effect"

11 , "either"

10 , "either"

12 , "foldable-traversable"

11 , "foldable-traversable"

13− , "foreign-object"

14− , "formatters"

15 , "integers"

12 , "integers"

16− , "lists"

17 , "maybe"

13 , "maybe"

18− , "now"

19 , "numbers"

14 , "numbers"

20 , "ordered-collections"

15 , "ordered-collections"

21− , "parsing"

22 , "prelude"

16 , "prelude"

23− , "profunctor-lenses"

24 , "record"

17 , "record"

25 , "run"

18 , "run"

26− , "strings"

27 , "transformers"

19 , "transformers"

28 , "tuples"

20 , "tuples"

29 , "typelevel-prelude"

21 , "typelevel-prelude"

src/Bun/Request.js−4

@@ -9,7 +9,3 @@ export function method(req) {

9export function url(req) {

10 return req.url

11}

12−

13−export function headers(req) {

14− return Object.fromEntries(req.headers.entries());

15−}

src/Bun/Request.purs−4

@@ -3,7 +3,6 @@ module Bun.Request

3 , method

4 , url

5 , json

6− , headers

7 ) where

6 ) where

9import Prelude

8import Prelude

@@ -12,7 +11,6 @@ import Control.Promise (Promise)

12import Control.Promise as Promise

11import Control.Promise as Promise

13import Data.Argonaut (Json)

12import Data.Argonaut (Json)

14import Effect.Aff (Aff)

13import Effect.Aff (Aff)

15−import Foreign.Object (Object)

17foreign import data Request :: Type

15foreign import data Request :: Type

@@ -24,5 +22,3 @@ json = jsonPromise >>> Promise.toAff

24foreign import method :: Request -> String

22foreign import method :: Request -> String

26foreign import url :: Request -> String

24foreign import url :: Request -> String

27−

28−foreign import headers :: Request -> Object String

src/Bun/Response.js−23

@@ -10,26 +10,3 @@ export function string(s) {

10 return new Response(s, options)

11 }

12}

13−

14−

15−export function stream(s) {

16− return function(options) {

17− return new Response(s, options)

18− }

19−}

20−

21−export function body(resp) {

22− return resp.body

23−}

24−

25−export function status(resp) {

26− return resp.status

27−}

28−

29−export function statusText(resp) {

30− return resp.statusText

31−}

32−

33−export function headers(resp) {

34− return Object.fromEntries(resp.headers.entries());

35−}

src/Bun/Response.purs+3−9

@@ -1,18 +1,12 @@

1module Bun.Response where

3import Data.Argonaut (Json)

4−import Foreign.Object (Object)

4+import Data.Tuple.Nested (type (/\))

5+import Effect (Effect)

6foreign import data Response :: Type

7foreign import data Response :: Type

7−foreign import data ReadableStream :: Type

9−type Options = { status :: Int, statusText :: String, headers :: Object String }

9+type Options = { status :: Int, statusText :: String, headers :: Array (String /\ String) }

11foreign import json :: Json -> Options -> Response

12foreign import string :: String -> Options -> Response

13−foreign import stream :: ReadableStream -> Options -> Response

14−foreign import body :: Response -> ReadableStream

15−foreign import headers :: Response -> Object String

16−foreign import status :: Response -> Int

17−foreign import statusText :: Response -> String

18−

src/Main.purs+5−13

@@ -7,7 +7,7 @@ import Data.Maybe (Maybe)

7import Effect (Effect)

8import Effect.Aff (Aff)

9import Effect.Console (log)

10−import PureStack.Route (type (/), GET, Headers(..), Middleware, POST)

10+import PureStack.Route (type (/), GET, POST)

11import PureStack.Route as Router

12import PureStack.Server as Server

13import Run (AFF, Run(..), runBaseAff)

@@ -16,22 +16,14 @@ import Type.Row (type (+))

16type Foo = { a :: String, b :: Maybe Int, c :: Array Number }

18type API =

19− ( foo :: "foo" / "bar" / Foo / GET Unit { a :: Int, b :: Number, c :: Foo }

19+ ( foo :: "foo" / "bar" / Foo / GET { a :: Int, b :: Number, c :: Foo }

20− , bar :: "foo" / Middleware "auth" / "qux" / POST (Headers { foo :: String } Unit) { a :: Int, s :: String }

20+ , bar :: "foo" / "qux" / POST Unit { a :: Int }

21− , deep ::

22− "deep" /

23− ( something :: "something" / GET Unit { a :: String }

24− )

25 )

21 )

27main :: Effect Unit

23main :: Effect Unit

28main = do

24main = do

29 log "🍝"

25 log "🍝"

30 Bun.serve $ Server.run @API identity

26 Bun.serve $ Server.run @API identity

31− { handlers:

32− { foo: \x -> pure { a: 1, b: 1.0, c: x }

27+ { foo: \x -> pure { a: 1, b: 1.0, c: x }

33− , bar: \i (Headers x _) -> pure { a: 8, s: x.foo }

28+ , bar: pure { a: 8 }

34− , deep: { something: pure { a: "something" } }

35− }

36− , middlewares: { auth: \req -> pure 1 }

37 }

29 }

src/PureStack/Cookie.pursdeleted−57

@@ -1,57 +0,0 @@

1−-- | This module allows parsing and generating cookie headers. You'll generally use

2−-- | the `Cookie.new` function to create a cookie from a name/value pair and the

3−-- | `Cookie.set*` functions to set attributes on a cookie.

4−-- |

5−-- | `Cookie.stringify` generates the string representation of a cookie, suitable for

6−-- | writing to an HTTP header.

7−-- |

8−-- | `Cookie.parse` parses the string representation of a cookie, returning an

9−-- | `Either ParseError Cookie`.

10−-- |

11−-- | ```purescript

12−-- | import PureStack.Cookie as Cookie

13−-- |

14−-- | > Cookie.stringify $ Cookie.setSecure $ Cookie.new "key" "value"

15−-- | key=value; Secure

16−-- |

17−-- | > Cookie.parse "key=value; Secure"

18−-- | (Right { name: "key", value: "value", secure: true, ... })

19−-- | ```

20−module PureStack.Cookie

21− ( module PureStack.Cookie.Generator

22− , module PureStack.Cookie.Parser

23− , module PureStack.Cookie.Types

24− ) where

25−

26−import PureStack.Cookie.Generator (stringify)

27−import PureStack.Cookie.Parser (parse, parseMany)

28−import PureStack.Cookie.Types

29− ( Cookie

30− , SameSite(..)

31− , _domain

32− , _expires

33− , _httpOnly

34− , _maxAge

35− , _name

36− , _path

37− , _secure

38− , _value

39− , expire

40− , fromFields

41− , getDomain

42− , getExpires

43− , getHttpOnly

44− , getMaxAge

45− , getName

46− , getPath

47− , getSecure

48− , getValue

49− , new

50− , setDomain

51− , setExpires

52− , setHttpOnly

53− , setMaxAge

54− , setPath

55− , setSameSite

56− , setSecure

57− )

src/PureStack/Cookie/Formatter.pursdeleted−65

@@ -1,65 +0,0 @@

1−-- | This module is responsible for formatting and parsing the `Expires`

2−-- | attribute of a `Cookie`.

3−module PureStack.Cookie.Formatter

4− ( domainTag

5− , expiresTag

6− , formatDateTime

7− , httpOnlyTag

8− , maxAgeTag

9− , pathTag

10− , sameSiteTag

11− , secureTag

12− , unformatDateTime

13− ) where

14−

15−import Data.DateTime (DateTime)

16−import Data.Either (Either)

17−import Data.Formatter.DateTime (Formatter, FormatterCommand(..))

18−import Data.Formatter.DateTime as Formatter

19−import Data.List as List

20−

21−domainTag :: String

22−domainTag = "Domain"

23−

24−expiresTag :: String

25−expiresTag = "Expires"

26−

27−httpOnlyTag :: String

28−httpOnlyTag = "HttpOnly"

29−

30−maxAgeTag :: String

31−maxAgeTag = "Max-Age"

32−

33−pathTag :: String

34−pathTag = "Path"

35−

36−secureTag :: String

37−secureTag = "Secure"

38−

39−sameSiteTag :: String

40−sameSiteTag = "SameSite"

41−

42−expiresFormatter :: Formatter

43−expiresFormatter =

44− List.fromFoldable

45− [ DayOfWeekNameShort

46− , Placeholder ", "

47− , DayOfMonthTwoDigits

48− , Placeholder " "

49− , MonthShort

50− , Placeholder " "

51− , YearFull

52− , Placeholder " "

53− , Hours24

54− , Placeholder ":"

55− , MinutesTwoDigits

56− , Placeholder ":"

57− , SecondsTwoDigits

58− , Placeholder " GMT"

59− ]

60−

61−formatDateTime :: DateTime -> String

62−formatDateTime = Formatter.format expiresFormatter

63−

64−unformatDateTime :: String -> Either String DateTime

65−unformatDateTime = Formatter.unformat expiresFormatter

src/PureStack/Cookie/Generator.pursdeleted−62

@@ -1,62 +0,0 @@

1−-- | This module is responsible for generating the string representation

2−-- | of a `Cookie`.

3−module PureStack.Cookie.Generator

4− ( stringify

5− ) where

6−

7−import Prelude

8−import PureStack.Cookie.Formatter

9− ( domainTag

10− , expiresTag

11− , formatDateTime

12− , httpOnlyTag

13− , maxAgeTag

14− , pathTag

15− , sameSiteTag

16− , secureTag

17− )

18−import PureStack.Cookie.Types

19− ( Cookie

20− , getDomain

21− , getExpires

22− , getHttpOnly

23− , getMaxAge

24− , getName

25− , getPath

26− , getSameSite

27− , getSecure

28− , getValue

29− )

30−import Data.Array (catMaybes)

31−import Data.Foldable (intercalate)

32−import Data.Maybe (Maybe(..))

33−

34−-- | Return the `String` representation of a `Cookie`.

35−-- |

36−-- | ```purescript

37−-- | > Generator.stringify $ Cookie.setSecure $ Cookie.new "key" "value"

38−-- | key=value; Secure

39−-- | ```

40−stringify :: Cookie -> String

41−stringify cookie =

42− intercalate "; "

43− $ catMaybes

44− [ attr (getName cookie) $ Just (getValue cookie)

45− , attr domainTag $ getDomain cookie

46− , attr pathTag $ getPath cookie

47− , attr expiresTag $ formatDateTime <$> getExpires cookie

48− , attr maxAgeTag $ show <$> getMaxAge cookie

49− , attr sameSiteTag $ show <$> getSameSite cookie

50− , flag secureTag $ getSecure cookie

51− , flag httpOnlyTag $ getHttpOnly cookie

52− ]

53−

54−attr :: String -> Maybe String -> Maybe String

55−attr name = case _ of

56− Nothing -> Nothing

57− Just value -> Just $ name <> "=" <> value

58−

59−flag :: String -> Boolean -> Maybe String

60−flag name = case _ of

61− false -> Nothing

62− true -> Just name

src/PureStack/Cookie/Parser.pursdeleted−128

@@ -1,128 +0,0 @@

1−-- | This module is responsible for parsing a string into an

2−-- | `Either ParseError Cookie`.

3−module PureStack.Cookie.Parser

4− ( parse

5− , parseMany

6− ) where

7−

8−import Prelude

9−

10−import Control.Alt ((<|>))

11−import Data.Array as Array

12−import Data.Either (Either(..))

13−import Data.Foldable (class Foldable, foldl)

14−import Data.Int as Int

15−import Data.List (List)

16−import Data.Maybe (Maybe(..))

17−import Data.String as String

18−import Parsing (ParseError, Parser, fail, runParser)

19−import Parsing.Combinators (many, sepBy)

20−import Parsing.String (eof, string)

21−import Parsing.String.Basic (noneOf)

22−import PureStack.Cookie.Formatter (domainTag, expiresTag, httpOnlyTag, maxAgeTag, pathTag, sameSiteTag, secureTag, unformatDateTime)

23−import PureStack.Cookie.Types (Cookie, SameSite(..))

24−import PureStack.Cookie.Types as Cookie

25−

26−type Attribute = Cookie -> Cookie

27−

28−dropSeperator :: Parser String Unit

29−dropSeperator = (string "; " $> unit) <|> (pure unit)

30−

31−asString :: forall f. Functor f => Foldable f => f Char -> String

32−asString = String.fromCodePointArray <<< Array.fromFoldable <<< map String.codePointFromChar

33−

34−stringWithout :: Array Char -> Parser String String

35−stringWithout = map asString <<< many <<< noneOf

36−

37−attributeValue :: Parser String String

38−attributeValue = stringWithout [ ';' ]

39−

40−whitespaceChars :: Array Char

41−whitespaceChars = [ ' ', '\n', '\r', '\t' ]

42−

43−parseDomain :: Parser String Attribute

44−parseDomain = do

45− domain <- (string $ domainTag <> "=") *> attributeValue

46− pure $ Cookie.setDomain domain

47−

48−parsePath :: Parser String Attribute

49−parsePath = do

50− path <- (string $ pathTag <> "=") *> attributeValue

51− pure $ Cookie.setPath path

52−

53−parseExpires :: Parser String Attribute

54−parseExpires = do

55− expiresString <- (string $ expiresTag <> "=") *> attributeValue

56− case unformatDateTime expiresString of

57− Left e -> fail e

58− Right expires -> pure $ Cookie.setExpires expires

59−

60−parseMaxAge :: Parser String Attribute

61−parseMaxAge = do

62− maxAgeString <- (string $ maxAgeTag <> "=") *> attributeValue

63− case Int.fromString maxAgeString of

64− Nothing -> fail "invalid integer"

65− Just maxAge -> pure $ Cookie.setMaxAge maxAge

66−

67−parseSecure :: Parser String Attribute

68−parseSecure = (string secureTag) $> Cookie.setSecure

69−

70−parseHttpOnly :: Parser String Attribute

71−parseHttpOnly = (string httpOnlyTag) $> Cookie.setHttpOnly

72−

73−parseSameSite :: Parser String Attribute

74−parseSameSite = do

75− sameSiteString <- (string $ sameSiteTag <> "=") *> attributeValue

76− case sameSiteString of

77− "Strict" -> pure $ Cookie.setSameSite Strict

78− "Lax" -> pure $ Cookie.setSameSite Lax

79− "None" -> pure $ Cookie.setSameSite None

80− val -> fail $ "unknown SiteSite value " <> val

81−

82−parseAttribute :: Parser String Attribute

83−parseAttribute =

84− parseDomain

85− <|> parsePath

86− <|> parseExpires

87− <|> parseMaxAge

88− <|> parseSecure

89− <|> parseHttpOnly

90− <|> parseSameSite

91−

92−parseSimpleCookie :: Parser String Cookie

93−parseSimpleCookie = do

94− name <- stringWithout ([ ';', ',', '=' ] <> whitespaceChars) <* string "="

95− value <- stringWithout ([ ';', ',' ] <> whitespaceChars)

96− pure $ Cookie.new name value

97−

98−parseCookie :: Parser String Cookie

99−parseCookie = do

100− cookie <- parseSimpleCookie <* dropSeperator

101− attributes <- sepBy parseAttribute (string "; ") <* eof

102− pure $ foldl (#) cookie attributes

103−

104−parseCookies :: Parser String (List Cookie)

105−parseCookies = sepBy parseSimpleCookie (string "; ") <* eof

106−

107−-- | Parses a `String` into an `Either ParseError Cookie`. This

108−-- | function is primarily intended to parse the `Set-Cookie`

109−-- | header on the client.

110−-- |

111−-- | ```purescript

112−-- | > Parser.parse "key=value; Secure"

113−-- | (Right { name: "key", value: "value", secure: true, ... })

114−-- | ```

115−parse :: String -> Either ParseError Cookie

116−parse = flip runParser parseCookie

117−

118−-- | Parses a `String` into an `Either ParseError (List Cookie)`.

119−-- | HTTP requests can include multiple cookies in a single

120−-- | `Cookie` header consisting of only name/value pairs. This

121−-- | function can be used to parse this header.

122−-- |

123−-- | ```purescript

124−-- | > parseMany "key1=value1; key2=value2"

125−-- | (Right ({ name: "key1", value: "value1", ... } : { name: "key2", value: "value2", ... } : Nil))

126−-- | ```

127−parseMany :: String -> Either ParseError (List Cookie)

128−parseMany = flip runParser parseCookies

src/PureStack/Cookie/Types.pursdeleted−189

@@ -1,189 +0,0 @@

1−-- | This module contains the `Cookie` type and functions for operating on data within it.

2−module PureStack.Cookie.Types

3− ( Cookie

4− , SameSite(..)

5− , _domain

6− , _expires

7− , _httpOnly

8− , _maxAge

9− , _name

10− , _path

11− , _secure

12− , _value

13− , expire

14− , fromFields

15− , getDomain

16− , getExpires

17− , getHttpOnly

18− , getMaxAge

19− , getName

20− , getPath

21− , getSameSite

22− , getSecure

23− , getValue

24− , new

25− , setDomain

26− , setExpires

27− , setHttpOnly

28− , setMaxAge

29− , setPath

30− , setSameSite

31− , setSecure

32− ) where

33−

34−import Prelude

35−import Data.DateTime (DateTime)

36−import Data.DateTime as DateTime

37−import Data.Either (Either(..))

38−import Data.Lens (Iso', Lens', iso)

39−import Data.Lens as Lens

40−import Data.Lens.Record (prop)

41−import Data.Maybe (Maybe(..))

42−import Data.Time.Duration (Days(..))

43−import Effect.Now (nowDateTime)

44−import Effect (Effect)

45−import Type.Prelude (Proxy(..))

46−

47−-- | Type representing a `Cookie`'s optional `SameSite` attribute.

48−data SameSite

49− = Strict

50− | Lax

51− | None

52−

53−derive instance eqSameSite :: Eq SameSite

54−

55−derive instance ordSameSite :: Ord SameSite

56−

57−instance showSameSite :: Show SameSite where

58− show :: SameSite -> String

59− show Strict = "Strict"

60− show Lax = "Lax"

61− show None = "None"

62−

63−type CookieFields =

64− { name :: String

65− , value :: String

66− , domain :: Maybe String

67− , path :: Maybe String

68− , expires :: Maybe DateTime

69− , maxAge :: Maybe Int

70− , sameSite :: Maybe SameSite

71− , secure :: Boolean

72− , httpOnly :: Boolean

73− }

74−

75−-- | The `Cookie` type

76−newtype Cookie = Cookie CookieFields

77−

78−derive newtype instance eqCookie :: Eq Cookie

79−

80−derive newtype instance ordCookie :: Ord Cookie

81−

82−derive newtype instance showCookie :: Show Cookie

83−

84−-- | The constructor for `Cookie`

85−new :: String -> String -> Cookie

86−new name value =

87− Cookie

88− { name

89− , value

90− , domain: Nothing

91− , path: Nothing

92− , expires: Nothing

93− , maxAge: Nothing

94− , sameSite: Nothing

95− , secure: false

96− , httpOnly: false

97− }

98−

99−fromFields :: CookieFields -> Cookie

100−fromFields = Cookie

101−

102−-- | Expire an existing `Cookie`. This sets the `Expires` attribute of

103−-- | the cookie to yesterday's date.

104−expire :: Cookie -> Effect (Either String Cookie)

105−expire cookie = do

106− now <- nowDateTime

107− let maybeDate = DateTime.adjust (Days $ -1.0) now

108−

109− case maybeDate of

110− Nothing -> pure $ Left "Invalid date"

111− Just yesterday -> pure $ Right $ setExpires yesterday cookie

112−

113−getDomain :: Cookie -> Maybe String

114−getDomain = Lens.view _domain

115−

116−getExpires :: Cookie -> Maybe DateTime

117−getExpires = Lens.view _expires

118−

119−getHttpOnly :: Cookie -> Boolean

120−getHttpOnly = Lens.view _httpOnly

121−

122−getMaxAge :: Cookie -> Maybe Int

123−getMaxAge = Lens.view _maxAge

124−

125−getName :: Cookie -> String

126−getName = Lens.view _name

127−

128−getPath :: Cookie -> Maybe String

129−getPath = Lens.view _path

130−

131−getSameSite :: Cookie -> Maybe SameSite

132−getSameSite = Lens.view _sameSite

133−

134−getSecure :: Cookie -> Boolean

135−getSecure = Lens.view _secure

136−

137−getValue :: Cookie -> String

138−getValue = Lens.view _value

139−

140−setDomain :: String -> Cookie -> Cookie

141−setDomain = Lens.setJust _domain

142−

143−setExpires :: DateTime -> Cookie -> Cookie

144−setExpires = Lens.setJust _expires

145−

146−setHttpOnly :: Cookie -> Cookie

147−setHttpOnly = Lens.set _httpOnly true

148−

149−setMaxAge :: Int -> Cookie -> Cookie

150−setMaxAge = Lens.setJust _maxAge

151−

152−setPath :: String -> Cookie -> Cookie

153−setPath = Lens.setJust _path

154−

155−setSameSite :: SameSite -> Cookie -> Cookie

156−setSameSite = Lens.setJust _sameSite

157−

158−setSecure :: Cookie -> Cookie

159−setSecure = Lens.set _secure true

160−

161−_Cookie :: Iso' Cookie CookieFields

162−_Cookie = iso (\(Cookie fields) -> fields) Cookie

163−

164−_domain :: Lens' Cookie (Maybe String)

165−_domain = _Cookie <<< prop (Proxy :: Proxy "domain")

166−

167−_expires :: Lens' Cookie (Maybe DateTime)

168−_expires = _Cookie <<< prop (Proxy :: Proxy "expires")

169−

170−_httpOnly :: Lens' Cookie Boolean

171−_httpOnly = _Cookie <<< prop (Proxy :: Proxy "httpOnly")

172−

173−_maxAge :: Lens' Cookie (Maybe Int)

174−_maxAge = _Cookie <<< prop (Proxy :: Proxy "maxAge")

175−

176−_name :: Lens' Cookie String

177−_name = _Cookie <<< prop (Proxy :: Proxy "name")

178−

179−_path :: Lens' Cookie (Maybe String)

180−_path = _Cookie <<< prop (Proxy :: Proxy "path")

181−

182−_sameSite :: Lens' Cookie (Maybe SameSite)

183−_sameSite = _Cookie <<< prop (Proxy :: Proxy "sameSite")

184−

185−_secure :: Lens' Cookie Boolean

186−_secure = _Cookie <<< prop (Proxy :: Proxy "secure")

187−

188−_value :: Lens' Cookie String

189−_value = _Cookie <<< prop (Proxy :: Proxy "value")

src/PureStack/Route.purs+10−31

@@ -1,45 +1,27 @@

1module PureStack.Route

2 ( type (/)

3 , Slash

4− , HttpMethod

5− , class MethodName

6− , methodName

7 , GET

4 , GET

8 , POST

5 , POST

9 , PUT

6 , PUT

10 , DELETE

7 , DELETE

11 , PATCH

8 , PATCH

12− , Headers(..)

13− , Middleware

14 ) where

9 ) where

16−data HttpMethod

11+data GET :: Type -> Type

12+data GET resp

18−-- | The `req` can only ever be `Unit`

14+data POST :: Type -> Type -> Type

19−foreign import data GET :: Type -> Type -> HttpMethod

15+data POST req resp

20−foreign import data POST :: Type -> Type -> HttpMethod

21−foreign import data PUT :: Type -> Type -> HttpMethod

22−foreign import data DELETE :: Type -> Type -> HttpMethod

23−foreign import data PATCH :: Type -> Type -> HttpMethod

25−class MethodName :: HttpMethod -> Constraint

17+data PUT :: Type -> Type -> Type

26−class MethodName method where

18+data PUT req resp

27− methodName :: String

29−instance MethodName (GET req resp) where

20+data DELETE :: Type -> Type -> Type

30− methodName = "GET"

21+data DELETE req resp

32−instance MethodName (POST req resp) where

23+data PATCH :: Type -> Type -> Type

33− methodName = "POST"

34−

35−instance MethodName (PUT req resp) where

36− methodName = "PUT"

37−

38−instance MethodName (DELETE req resp) where

39− methodName = "DELETE"

40−

41−instance MethodName (PATCH req resp) where

24+data PATCH req resp

42− methodName = "PATCH"

44data Slash :: forall k1 k2. k1 -> k2 -> Type

26data Slash :: forall k1 k2. k1 -> k2 -> Type

45data Slash x y

27data Slash x y

@@ -50,6 +32,3 @@ data Slash x y

50-- | Other types are captured path pieces.

32-- | Other types are captured path pieces.

51infixr 1 type Slash as /

33infixr 1 type Slash as /

53−data Headers headers r = Headers headers r

54−

55−data Middleware tag

src/PureStack/Server.purs+162−174

@@ -1,7 +1,5 @@

1module PureStack.Server

2 ( Server

3− , Response(..)

4− , ResponseBody(..)

5 , class ToResponse

3 , class ToResponse

6 , toResponse

4 , toResponse

7 , class FromRequest

5 , class FromRequest

@@ -20,24 +18,20 @@ module PureStack.Server

20 , serveQuery

18 , serveQuery

21 , class ParsePathPiece

19 , class ParsePathPiece

22 , parsePathPiece

20 , parsePathPiece

23− , class FromHeaders

24− , fromHeaders

25− , class FromHeader

26− , fromHeader

27 ) where

21 ) where

29import Prelude

23import Prelude

30import PureStack.Route

24import PureStack.Route

32import Bun.Request (Request)

26import Bun.Request (Request)

33−import Bun.Request as Bun

34import Bun.Request as Request

27import Bun.Request as Request

35−import Bun.Response as Bun.Response

28+import Bun.Response (Response)

29+import Bun.Response as Response

36import Control.Alternative (class Plus, empty)

30import Control.Alternative (class Plus, empty)

37import Control.Monad.Except (ExceptT, runExceptT)

31import Control.Monad.Except (ExceptT, runExceptT)

38−import Data.Argonaut (class DecodeJson, class EncodeJson, Json, decodeJson, encodeJson)

32+import Data.Argonaut (class DecodeJson, class EncodeJson, decodeJson, encodeJson)

39import Data.Array as Array

33import Data.Array as Array

40−import Data.Either (Either(..), either)

34+import Data.Either (Either(..))

41import Data.Int as Int

35import Data.Int as Int

42import Data.Map (Map)

36import Data.Map (Map)

43import Data.Map as Map

37import Data.Map as Map

@@ -49,24 +43,15 @@ import Data.Traversable (traverse)

49import Data.URL as URL

43import Data.URL as URL

50import Effect.Aff (Aff)

44import Effect.Aff (Aff)

51import Effect.Aff.Class (liftAff)

45import Effect.Aff.Class (liftAff)

52−import Foreign.Object (Object)

53−import Foreign.Object as Object

54import Prim.Row as Row

46import Prim.Row as Row

55import Prim.RowList (class RowToList, RowList)

47import Prim.RowList (class RowToList, RowList)

56import Prim.RowList as RowList

48import Prim.RowList as RowList

57−import PureStack.Cookie (Cookie)

58−import PureStack.Cookie as Cookie

59import Record as Record

49import Record as Record

60import Record.Builder (Builder)

50import Record.Builder (Builder)

61import Record.Builder as Builder

51import Record.Builder as Builder

62import Type.Proxy (Proxy(..))

52import Type.Proxy (Proxy(..))

64−type Route =

65− { path :: Array String

66− , verb :: String

67− , query :: Map String (Array String)

54+type Route = { path :: Array String, verb :: String, query :: Map String (Array String) }

68− , originalRequest :: Bun.Request

69− }

71routeFromRequest :: Request -> Route

56routeFromRequest :: Request -> Route

72routeFromRequest req =

57routeFromRequest req =

@@ -83,94 +68,185 @@ routeFromRequest req =

83 , query: case url of

68 , query: case url of

84 Nothing -> Map.empty

69 Nothing -> Map.empty

85 Just u -> URL.query u

70 Just u -> URL.query u

86− , originalRequest: req

87 }

71 }

89type Server a = ExceptT Response Aff a

73type Server a = ExceptT Response Aff a

91newtype Nt m = Nt (forall x. m x -> Server x)

75newtype Nt m = Nt (forall x. m x -> Server x)

93−class ServeRoute :: forall k. k -> Type -> Row Type -> (Type -> Type) -> Constraint

77+class ServeRoute :: forall k. k -> Type -> (Type -> Type) -> Constraint

94−class ServeRoute route handler middlewares m | route middlewares -> handler, handler -> m where

78+class ServeRoute route handler m | route -> handler, handler -> m where

95− serveRoute :: Route -> Maybe (Nt m -> handler -> Record middlewares -> Request -> Server Response)

79+ serveRoute :: Route -> Maybe (Nt m -> handler -> Request -> Server Response)

97−instance (ServeRoute rest handler middlewares m, IsSymbol path) => ServeRoute (path / rest) handler middlewares m where

81+instance (ServeRoute rest handler m, IsSymbol path) => ServeRoute (path / rest) handler m where

98 serveRoute route@{ path } = do

82 serveRoute route@{ path } = do

99 { head: h, tail } <- Array.uncons path

83 { head: h, tail } <- Array.uncons path

100 assert $ h == (reflectSymbol @path Proxy)

84 assert $ h == (reflectSymbol @path Proxy)

101 serveRoute @rest route { path = tail }

85 serveRoute @rest route { path = tail }

102

103else instance

87else instance

104− ( ServeRoute rest handler middlewares m

88+ ( ServeRoute rest handler m

105 , ServeQuery row list

89 , ServeQuery row list

106 , RowToList row list

90 , RowToList row list

107 ) =>

91 ) =>

108− ServeRoute (Record row / rest) (Record row -> handler) middlewares m where

92+ ServeRoute (Record row / rest) (Record row -> handler) m where

109 serveRoute route@{ query } = do

93 serveRoute route@{ query } = do

110 builder <- serveQuery @row @list query

94 builder <- serveQuery @row @list query

111 serveRoute @rest route <#> (\f nt handler req -> f nt (handler $ Builder.buildFromScratch builder) req)

95 serveRoute @rest route <#> (\f nt handler req -> f nt (handler $ Builder.buildFromScratch builder) req)

112

113−else instance

114− ( ServeRoute rest handler middlewares m

115− , IsSymbol field

116− , Row.Cons field (Bun.Request -> m x) tail middlewares

117− ) =>

118− ServeRoute (Middleware field / rest) (x -> handler) middlewares m where

119− serveRoute route@{ originalRequest } = do

120− serveRoute @rest route <#>

121− ( \f nt@(Nt ntf) handler middlewares req -> do

122− x <- ntf $ Record.get (Proxy @field) middlewares originalRequest

123− f nt (handler x) middlewares req

124− )

125−

126−else instance (ServeRoute rest handler middlewares m, ParsePathPiece t) => ServeRoute (t / rest) (t -> handler) middlewares m where

97+else instance (ServeRoute rest handler m, ParsePathPiece t) => ServeRoute (t / rest) (t -> handler) m where

127 serveRoute route@{ path } = do

98 serveRoute route@{ path } = do

128 { head: h, tail } <- Array.uncons path

99 { head: h, tail } <- Array.uncons path

129 t <- parsePathPiece @t h

100 t <- parsePathPiece @t h

130− serveRoute @rest route { path = tail } <#> (\f nt handler mws req -> f nt (handler t) mws req)

101+ serveRoute @rest route { path = tail } <#> (\f nt handler req -> f nt (handler t) req)

102+

103+else instance ToResponse resp => ServeRoute (GET resp) (m resp) m where

104+ serveRoute { path, verb } = do

105+ assert $ verb == "GET"

106+ assert $ path == []

107+ pure $ \(Nt nt) handler _req -> do

108+ resp <- nt handler

109+ pure $ toResponse resp

131

110

132−else instance MethodName (meth Unit Unit) => ServeRoute (meth Unit Unit) (m Unit) middlewares m where

111+else instance ServeRoute (POST Unit Unit) (m Unit) m where

133 serveRoute { path, verb } = do

112 serveRoute { path, verb } = do

134− assert $ verb == methodName @(meth Unit Unit)

113+ assert $ verb == "POST"

135 assert $ path == []

114 assert $ path == []

136− pure $ \(Nt nt) handler _middlewares _req -> do

115+ pure $ \(Nt nt) handler _req -> do

137 nt handler

116 nt handler

138 pure $ ok

117 pure $ ok

139−else instance (ToResponse resp, MethodName (meth Unit resp)) => ServeRoute (meth Unit resp) (m resp) middlewares m where

118+else instance (ToResponse resp) => ServeRoute (POST Unit resp) (m resp) m where

140 serveRoute { path, verb } = do

119 serveRoute { path, verb } = do

141− assert $ verb == methodName @(meth Unit resp)

120+ assert $ verb == "POST"

142 assert $ path == []

121 assert $ path == []

143− pure $ \(Nt nt) handler _middlewares _req -> do

122+ pure $ \(Nt nt) handler _req -> do

144 resp <- nt handler

123 resp <- nt handler

145 pure $ toResponse resp

124 pure $ toResponse resp

146−else instance (FromRequest req, MethodName (meth resp Unit)) => ServeRoute (meth resp Unit) (req -> m Unit) middlewares m where

125+else instance (FromRequest req) => ServeRoute (POST resp Unit) (req -> m Unit) m where

147 serveRoute { path, verb } = do

126 serveRoute { path, verb } = do

148− assert $ verb == methodName @(meth resp Unit)

127+ assert $ verb == "POST"

149 assert $ path == []

128 assert $ path == []

150− pure $ \(Nt nt) handler _middlewares req -> do

129+ pure $ \(Nt nt) handler req -> do

151 liftAff (fromRequest req) >>= case _ of

130 liftAff (fromRequest req) >>= case _ of

152 Nothing -> pure $ badRequest

131 Nothing -> pure $ badRequest

153 Just r -> do

132 Just r -> do

154 nt $ handler r

133 nt $ handler r

155 pure $ ok

134 pure $ ok

156−else instance (FromRequest req, ToResponse resp, MethodName (meth req resp)) => ServeRoute (meth req resp) (req -> m resp) middlewares m where

135+else instance (FromRequest req, ToResponse resp) => ServeRoute (POST req resp) (req -> m resp) m where

157 serveRoute { path, verb } = do

136 serveRoute { path, verb } = do

158− assert $ verb == methodName @(meth req resp)

137+ assert $ verb == "POST"

159 assert $ path == []

138 assert $ path == []

160− pure $ \(Nt nt) handler _middlewares req -> do

139+ pure $ \(Nt nt) handler req -> do

161 liftAff (fromRequest req) >>= case _ of

140 liftAff (fromRequest req) >>= case _ of

162 Nothing -> pure $ badRequest

141 Nothing -> pure $ badRequest

163 Just r -> do

142 Just r -> do

164 resp <- nt $ handler r

143 resp <- nt $ handler r

165 pure $ toResponse resp

144 pure $ toResponse resp

166

145

167−else instance

146+else instance ServeRoute (DELETE Unit Unit) (m Unit) m where

168− ( ServeAPI routes list handlers middlewares m

147+ serveRoute { path, verb } = do

169− , RowToList routes list

148+ assert $ verb == "DELETE"

170− ) =>

149+ assert $ path == []

171− ServeRoute routes (Record handlers) middlewares m where

150+ pure $ \(Nt nt) handler _req -> do

172− serveRoute route = pure $ \nt handlers middlewares req ->

151+ nt handler

173− serveAPI @routes @list nt handlers middlewares route req

152+ pure $ ok

153+else instance (ToResponse resp) => ServeRoute (DELETE Unit resp) (m resp) m where

154+ serveRoute { path, verb } = do

155+ assert $ verb == "DELETE"

156+ assert $ path == []

157+ pure $ \(Nt nt) handler _req -> do

158+ resp <- nt handler

159+ pure $ toResponse resp

160+else instance (FromRequest req) => ServeRoute (DELETE resp Unit) (req -> m Unit) m where

161+ serveRoute { path, verb } = do

162+ assert $ verb == "DELETE"

163+ assert $ path == []

164+ pure $ \(Nt nt) handler req -> do

165+ liftAff (fromRequest req) >>= case _ of

166+ Nothing -> pure $ badRequest

167+ Just r -> do

168+ nt $ handler r

169+ pure $ ok

170+else instance (FromRequest req, ToResponse resp) => ServeRoute (DELETE req resp) (req -> m resp) m where

171+ serveRoute { path, verb } = do

172+ assert $ verb == "DELETE"

173+ assert $ path == []

174+ pure $ \(Nt nt) handler req -> do

175+ liftAff (fromRequest req) >>= case _ of

176+ Nothing -> pure $ badRequest

177+ Just r -> do

178+ resp <- nt $ handler r

179+ pure $ toResponse resp

180+

181+else instance ServeRoute (PUT Unit Unit) (m Unit) m where

182+ serveRoute { path, verb } = do

183+ assert $ verb == "PUT"

184+ assert $ path == []

185+ pure $ \(Nt nt) handler _req -> do

186+ nt handler

187+ pure $ ok

188+else instance (ToResponse resp) => ServeRoute (PUT Unit resp) (m resp) m where

189+ serveRoute { path, verb } = do

190+ assert $ verb == "PUT"

191+ assert $ path == []

192+ pure $ \(Nt nt) handler _req -> do

193+ resp <- nt handler

194+ pure $ toResponse resp

195+else instance (FromRequest req) => ServeRoute (PUT resp Unit) (req -> m Unit) m where

196+ serveRoute { path, verb } = do

197+ assert $ verb == "PUT"

198+ assert $ path == []

199+ pure $ \(Nt nt) handler req -> do

200+ liftAff (fromRequest req) >>= case _ of

201+ Nothing -> pure $ badRequest

202+ Just r -> do

203+ nt $ handler r

204+ pure $ ok

205+else instance (FromRequest req, ToResponse resp) => ServeRoute (PUT req resp) (req -> m resp) m where

206+ serveRoute { path, verb } = do

207+ assert $ verb == "PUT"

208+ assert $ path == []

209+ pure $ \(Nt nt) handler req -> do

210+ liftAff (fromRequest req) >>= case _ of

211+ Nothing -> pure $ badRequest

212+ Just r -> do

213+ resp <- nt $ handler r

214+ pure $ toResponse resp

215+

216+else instance ServeRoute (PATCH Unit Unit) (m Unit) m where

217+ serveRoute { path, verb } = do

218+ assert $ verb == "PATCH"

219+ assert $ path == []

220+ pure $ \(Nt nt) handler _req -> do

221+ nt handler

222+ pure $ ok

223+else instance (ToResponse resp) => ServeRoute (PATCH Unit resp) (m resp) m where

224+ serveRoute { path, verb } = do

225+ assert $ verb == "PATCH"

226+ assert $ path == []

227+ pure $ \(Nt nt) handler _req -> do

228+ resp <- nt handler

229+ pure $ toResponse resp

230+else instance (FromRequest req) => ServeRoute (PATCH resp Unit) (req -> m Unit) m where

231+ serveRoute { path, verb } = do

232+ assert $ verb == "PATCH"

233+ assert $ path == []

234+ pure $ \(Nt nt) handler req -> do

235+ liftAff (fromRequest req) >>= case _ of

236+ Nothing -> pure $ badRequest

237+ Just r -> do

238+ nt $ handler r

239+ pure $ ok

240+else instance (FromRequest req, ToResponse resp) => ServeRoute (PATCH req resp) (req -> m resp) m where

241+ serveRoute { path, verb } = do

242+ assert $ verb == "PATCH"

243+ assert $ path == []

244+ pure $ \(Nt nt) handler req -> do

245+ liftAff (fromRequest req) >>= case _ of

246+ Nothing -> pure $ badRequest

247+ Just r -> do

248+ resp <- nt $ handler r

249+ pure $ toResponse resp

174

250

175class ServeQuery :: Row Type -> RowList Type -> Constraint

251class ServeQuery :: Row Type -> RowList Type -> Constraint

176class ServeQuery row list | list -> row where

252class ServeQuery row list | list -> row where

@@ -228,18 +304,11 @@ else instance

228 r <- serveQuery @tail @rest m

304 r <- serveQuery @tail @rest m

229 pure $ Builder.insert (Proxy @field) v <<< r

305 pure $ Builder.insert (Proxy @field) v <<< r

230

306

231−data ResponseBody

232− = JsonResponseBody Json

233− | EmptyResponseBody

234− | StringResponseBody String

235−

236−newtype Response = Response { body :: ResponseBody, status :: Int, statusText :: String, headers :: Object String }

237−

238class ToResponse r where

307class ToResponse r where

239 toResponse :: r -> Response

308 toResponse :: r -> Response

240

309

241instance EncodeJson (Record row) => ToResponse (Record row) where

310instance EncodeJson (Record row) => ToResponse (Record row) where

242− toResponse rec = Response { body: JsonResponseBody $ encodeJson rec, status: 200, statusText: "OK", headers: Object.empty }

311+ toResponse rec = Response.json (encodeJson rec) { status: 200, statusText: "OK", headers: [] }

243

312

244instance ToResponse Response where

313instance ToResponse Response where

245 toResponse resp = resp

314 toResponse resp = resp

@@ -255,84 +324,6 @@ instance DecodeJson (Record row) => FromRequest (Record row) where

255instance FromRequest Request where

324instance FromRequest Request where

256 fromRequest req = pure $ Just req

325 fromRequest req = pure $ Just req

257

326

258−instance FromRequest Unit where

259− fromRequest _ = pure $ Just unit

260−

261−instance

262− ( FromRequest req

263− , FromHeader header

264− ) =>

265− FromRequest (Headers (Object header) req) where

266− fromRequest req = do

267− r <- fromRequest req

268− pure $ do

269− headers <- traverse fromHeader (Request.headers req)

270− r' <- r

271− pure $ Headers headers r'

272−

273−instance

274− ( RowToList headers headersList

275− , FromRequest req

276− , FromHeaders headers headersList

277− ) =>

278− FromRequest (Headers (Record headers) req) where

279− fromRequest req = do

280− r <- fromRequest req

281− pure $ do

282− headers <- fromHeaders @headers @headersList (Request.headers req)

283− r' <- r

284− pure $ Headers (Builder.buildFromScratch headers) r'

285−

286−class FromHeader t where

287− fromHeader :: String -> Maybe t

288−

289−instance FromHeader Cookie where

290− fromHeader = Cookie.parse >>> case _ of

291− Left _ -> Nothing

292− Right x -> Just x

293−

294−instance FromHeader String where

295− fromHeader = Just

296−

297−instance FromHeader Int where

298− fromHeader = Int.fromString

299−

300−class FromHeaders :: Row Type -> RowList Type -> Constraint

301−class FromHeaders row list | list -> row where

302− fromHeaders :: Object String -> Maybe (Builder {} (Record row))

303−

304−instance FromHeaders () RowList.Nil where

305− fromHeaders _ = Just $ identity

306−

307−instance

308− ( FromHeader t

309− , IsSymbol field

310− , FromHeaders tail rest

311− , Row.Cons field (Maybe t) tail row

312− , Row.Lacks field tail

313− ) =>

314− FromHeaders row (RowList.Cons field (Maybe t) rest) where

315− fromHeaders headers = do

316− r <- fromHeaders @tail @rest headers

317− case Object.lookup (reflectSymbol @field Proxy) headers of

318− Nothing -> pure $ Builder.insert (Proxy @field) Nothing <<< r

319− Just t -> do

320− v <- fromHeader t

321− pure $ Builder.insert (Proxy @field) (Just v) <<< r

322−

323−else instance

324− ( FromHeader t

325− , IsSymbol field

326− , FromHeaders tail rest

327− , Row.Cons field t tail row

328− , Row.Lacks field tail

329− ) =>

330− FromHeaders row (RowList.Cons field t rest) where

331− fromHeaders headers = do

332− t <- Object.lookup (reflectSymbol @field Proxy) headers >>= fromHeader

333− r <- fromHeaders @tail @rest headers

334− pure $ Builder.insert (Proxy @field) t <<< r

335−

336class ParsePathPiece t where

327class ParsePathPiece t where

337 parsePathPiece :: String -> Maybe t

328 parsePathPiece :: String -> Maybe t

338

329

@@ -357,54 +348,51 @@ assert :: forall m. Applicative m => Plus m => Boolean -> m Unit

357assert true = pure unit

348assert true = pure unit

358assert false = empty

349assert false = empty

359

350

360−class ServeAPI :: Row Type -> RowList Type -> Row Type -> Row Type -> (Type -> Type) -> Constraint

351+class ServeAPI :: Row Type -> RowList Type -> Row Type -> (Type -> Type) -> Constraint

361−class ServeAPI row list handlers middlewares m | row -> handlers, handlers -> m where

352+class ServeAPI row list handlers m | row -> handlers, handlers -> m where

362− serveAPI :: Nt m -> Record handlers -> Record middlewares -> Route -> Request -> Server Response

353+ serveAPI :: Nt m -> Record handlers -> Route -> Request -> Server Response

363

354

364−instance ServeAPI row RowList.Nil () middlewares m where

355+instance ServeAPI row RowList.Nil () m where

365− serveAPI _ _ _ _ _ = pure notFound

356+ serveAPI _ _ _ _ = pure notFound

366

357

367instance

358instance

368− ( ServeRoute t handler middlewares m

359+ ( ServeRoute t handler m

369 , Row.Cons field t tail row

360 , Row.Cons field t tail row

370− , ServeAPI row rest restHandlers middlewares m

361+ , ServeAPI row rest restHandlers m

371 , IsSymbol field

362 , IsSymbol field

372 , Row.Cons field handler restHandlers handlers

363 , Row.Cons field handler restHandlers handlers

373 , Row.Lacks field restHandlers

364 , Row.Lacks field restHandlers

374 ) =>

365 ) =>

375− ServeAPI row (RowList.Cons field t rest) handlers middlewares m where

366+ ServeAPI row (RowList.Cons field t rest) handlers m where

376− serveAPI nt handlers middlewares route req =

367+ serveAPI nt handlers route req =

377 case serveRoute @t route of

368 case serveRoute @t route of

378− Nothing -> serveAPI @row @rest @restHandlers @middlewares nt (Record.delete (Proxy @field) handlers) middlewares route req

369+ Nothing -> serveAPI @row @rest @restHandlers nt (Record.delete (Proxy @field) handlers) route req

379− Just f -> f nt (Record.get (Proxy @field) handlers) middlewares req

370+ Just f -> f nt (Record.get (Proxy @field) handlers) req

380

371

381notFound :: Response

372notFound :: Response

382−notFound = Response { body: EmptyResponseBody, status: 404, statusText: "Not Found", headers: Object.empty }

373+notFound = Response.string "" { status: 404, statusText: "Not Found", headers: [] }

383

374

384internalServerError :: Response

375internalServerError :: Response

385−internalServerError = Response { body: EmptyResponseBody, status: 500, statusText: "Internal Server Error", headers: Object.empty }

376+internalServerError = Response.string "" { status: 500, statusText: "Internal Server Error", headers: [] }

386

377

387badRequest :: Response

378badRequest :: Response

388−badRequest = Response { body: EmptyResponseBody, status: 400, statusText: "Bad Request", headers: Object.empty }

379+badRequest = Response.string "" { status: 400, statusText: "Bad Request", headers: [] }

389

380

390ok :: Response

381ok :: Response

391−ok = Response { body: EmptyResponseBody, status: 200, statusText: "OK", headers: Object.empty }

382+ok = Response.string "" { status: 200, statusText: "OK", headers: [] }

392

383

393-- | The first argument is used to run an arbitrary monad in handlers. To use the 'Server' monad

384-- | The first argument is used to run an arbitrary monad in handlers. To use the 'Server' monad

394-- | instead you can just pass `identity` as the first argument.

385-- | instead you can just pass `identity` as the first argument.

395run

386run

396− :: forall @row list handlers m middlewares

387+ :: forall @row list handlers m

397 . RowToList row list

388 . RowToList row list

398− => ServeAPI row list handlers middlewares m

389+ => ServeAPI row list handlers m

399 => (forall x. m x -> Server x)

390 => (forall x. m x -> Server x)

400− -> { handlers :: Record handlers, middlewares :: Record middlewares }

391+ -> Record handlers

401 -> Request

392 -> Request

402− -> Aff Bun.Response.Response

393+ -> Aff Response

403−run nt { handlers, middlewares } req = do

394+run nt handlers req = do

404− Response { body, headers, status, statusText } <-

405− map (either identity identity) $ runExceptT $ serveAPI @row @list @handlers (Nt nt) handlers middlewares (routeFromRequest req) req

395+ res <- runExceptT $ serveAPI @row @list @handlers (Nt nt) handlers (routeFromRequest req) req

406− let opts = { headers, status, statusText }

407− pure $ case body of

396+ pure case res of

408− EmptyResponseBody -> Bun.Response.string "" opts

397+ Left resp -> resp

409− JsonResponseBody json -> Bun.Response.json json opts

398+ Right resp -> resp

410− StringResponseBody string -> Bun.Response.string string opts