fix: generalize to MonadAff
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spago.lock
40
spago.lock
@ -9,7 +9,7 @@ workspace:
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- datetime: ">=6.1.0 <7.0.0"
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- effect: ">=4.0.0 <5.0.0"
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- exceptions: ">=6.0.0 <7.0.0"
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- foldable-traversable
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- foldable-traversable: ">=6.0.0 <7.0.0"
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- foreign: ">=7.0.0 <8.0.0"
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- foreign-object: ">=4.1.0 <5.0.0"
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- integers: ">=6.0.0 <7.0.0"
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@ -18,7 +18,7 @@ workspace:
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- newtype: ">=5.0.0 <6.0.0"
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- node-buffer: ">=9.0.0 <10.0.0"
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- node-event-emitter: ">=3.0.0 <4.0.0"
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- node-stream-pipes
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- node-stream-pipes: ">=1.2.3 <2.0.0"
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- node-streams: ">=9.0.0 <10.0.0"
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- nullable: ">=6.0.0 <7.0.0"
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- numbers: ">=9.0.1 <10.0.0"
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@ -28,11 +28,11 @@ workspace:
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- prelude: ">=6.0.1 <7.0.0"
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- record: ">=4.0.0 <5.0.0"
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- record-extra: ">=5.0.1 <6.0.0"
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- st
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- st: ">=6.2.0 <7.0.0"
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- strings: ">=6.0.1 <7.0.0"
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- tailrec: ">=6.1.0 <7.0.0"
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- transformers: ">=6.0.0 <7.0.0"
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- tuples
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- tuples: ">=7.0.0 <8.0.0"
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- typelevel-prelude: ">=7.0.0 <8.0.0"
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- unsafe-coerce: ">=6.0.0 <7.0.0"
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test_dependencies:
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@ -120,12 +120,10 @@ workspace:
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- typelevel-prelude
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- unfoldable
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- unicode
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- unordered-collections
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- unsafe-coerce
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- variant
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extra_packages:
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node-stream-pipes:
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git: https://git.orionkindel.com/orion/purescript-node-stream-pipes
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ref: v1.0.5
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extra_packages: {}
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packages:
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aff:
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type: registry
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@ -608,9 +606,9 @@ packages:
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dependencies:
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- effect
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node-stream-pipes:
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type: git
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url: https://git.orionkindel.com/orion/purescript-node-stream-pipes
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rev: f2f18c3c13ae2f0f5787ccfb3832fc8c653e83ad
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type: registry
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version: 1.2.3
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integrity: sha256-lXD3x6+p72uBrRHGHrob2jrrBDakhhZE9O9EYE4aFiE=
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dependencies:
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- aff
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- arrays
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@ -618,6 +616,8 @@ packages:
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- either
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- exceptions
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- foldable-traversable
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- foreign-object
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- lists
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- maybe
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- mmorph
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- newtype
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@ -627,6 +627,7 @@ packages:
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- node-path
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- node-streams
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- node-zlib
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- ordered-collections
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- parallel
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- pipes
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- prelude
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@ -634,6 +635,8 @@ packages:
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- strings
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- tailrec
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- transformers
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- tuples
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- unordered-collections
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- unsafe-coerce
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node-streams:
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type: registry
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@ -1038,6 +1041,21 @@ packages:
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- foldable-traversable
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- maybe
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- strings
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unordered-collections:
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type: registry
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version: 3.1.0
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integrity: sha256-H2eQR+ylI+cljz4XzWfEbdF7ee+pnw2IZCeq69AuJ+Q=
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dependencies:
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- arrays
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- enums
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- functions
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- integers
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- lists
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- prelude
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- record
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- tuples
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- typelevel-prelude
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- unfoldable
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unsafe-coerce:
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type: registry
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version: 6.0.0
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13
spago.yaml
13
spago.yaml
@ -10,16 +10,13 @@ package:
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strict: true
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pedanticPackages: true
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dependencies:
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- foldable-traversable
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- node-stream-pipes
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- st
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- tuples
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- aff: ">=7.1.0 <8.0.0"
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- arrays: ">=7.3.0 <8.0.0"
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- bifunctors: ">=6.0.0 <7.0.0"
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- datetime: ">=6.1.0 <7.0.0"
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- effect: ">=4.0.0 <5.0.0"
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- exceptions: ">=6.0.0 <7.0.0"
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- foldable-traversable: ">=6.0.0 <7.0.0"
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- foreign: ">=7.0.0 <8.0.0"
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- foreign-object: ">=4.1.0 <5.0.0"
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- integers: ">=6.0.0 <7.0.0"
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@ -28,6 +25,7 @@ package:
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- newtype: ">=5.0.0 <6.0.0"
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- node-buffer: ">=9.0.0 <10.0.0"
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- node-event-emitter: ">=3.0.0 <4.0.0"
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- node-stream-pipes: ">=1.2.3 <2.0.0"
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- node-streams: ">=9.0.0 <10.0.0"
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- nullable: ">=6.0.0 <7.0.0"
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- numbers: ">=9.0.1 <10.0.0"
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@ -37,9 +35,11 @@ package:
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- prelude: ">=6.0.1 <7.0.0"
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- record: ">=4.0.0 <5.0.0"
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- record-extra: ">=5.0.1 <6.0.0"
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- st: ">=6.2.0 <7.0.0"
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- strings: ">=6.0.1 <7.0.0"
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- tailrec: ">=6.1.0 <7.0.0"
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- transformers: ">=6.0.0 <7.0.0"
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- tuples: ">=7.0.0 <8.0.0"
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- typelevel-prelude: ">=7.0.0 <8.0.0"
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- unsafe-coerce: ">=6.0.0 <7.0.0"
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test:
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@ -53,7 +53,4 @@ package:
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- simple-json
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- spec
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workspace:
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extraPackages:
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node-stream-pipes:
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git: 'https://git.orionkindel.com/orion/purescript-node-stream-pipes'
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ref: 'v1.0.5'
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extraPackages: {}
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@ -2,9 +2,9 @@ module Pipes.CSV where
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import Prelude
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import Control.Monad.Error.Class (liftEither)
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import Control.Monad.Error.Class (class MonadThrow, liftEither)
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import Control.Monad.Except (runExcept)
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import Control.Monad.Rec.Class (forever)
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import Control.Monad.Rec.Class (class MonadRec, forever)
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import Control.Monad.ST.Global as ST
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import Control.Monad.ST.Ref as STRef
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import Data.Array as Array
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@ -14,9 +14,9 @@ import Data.FunctorWithIndex (mapWithIndex)
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import Data.Map as Map
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import Data.Maybe (Maybe(..))
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import Data.Tuple.Nested ((/\))
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import Effect.Aff (Aff)
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import Effect.Aff.Class (class MonadAff)
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import Effect.Class (liftEffect)
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import Effect.Exception (error)
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import Effect.Exception (Error, error)
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import Node.Buffer (Buffer)
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import Node.Stream.CSV.Parse as CSV.Parse
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import Node.Stream.CSV.Stringify as CSV.Stringify
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@ -47,10 +47,13 @@ import Type.Prelude (Proxy(..))
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-- | rows `shouldEqual` [{id: 1, foo: "hi", is_deleted: false}, {id: 2, foo: "bye", is_deleted: true}]
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-- | ```
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parse
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:: forall @r rl
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. RowToList r rl
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:: forall @r rl m
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. MonadAff m
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=> MonadThrow Error m
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=> MonadRec m
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=> RowToList r rl
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=> ReadCSVRecord r rl
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=> Pipe (Maybe Buffer) (Maybe { | r }) Aff Unit
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=> Pipe (Maybe Buffer) (Maybe { | r }) m Unit
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parse = do
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raw <- liftEffect $ CSV.Parse.make {}
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colsST <- liftEffect $ ST.toEffect $ STRef.new Nothing
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@ -74,14 +77,14 @@ parse = do
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-- | Transforms buffer chunks of a CSV file to parsed
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-- | arrays of CSV values.
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parseRaw :: Pipe (Maybe Buffer) (Maybe (Array String)) Aff Unit
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parseRaw :: forall m. MonadAff m => MonadThrow Error m => Pipe (Maybe Buffer) (Maybe (Array String)) m Unit
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parseRaw = do
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s <- liftEffect $ CSV.Parse.toObjectStream <$> CSV.Parse.make {}
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Pipes.Stream.fromTransform s
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-- | Transforms CSV rows into stringified CSV records
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-- | using the given ordered array of column names.
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stringifyRaw :: Array String -> Pipe (Maybe (Array String)) (Maybe String) Aff Unit
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stringifyRaw :: forall m. MonadAff m => MonadThrow Error m => Array String -> Pipe (Maybe (Array String)) (Maybe String) m Unit
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stringifyRaw columns = do
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s <- liftEffect $ CSV.Stringify.toObjectStream <$> CSV.Stringify.make columns {}
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Pipes.Stream.fromTransform s
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@ -89,7 +92,7 @@ stringifyRaw columns = do
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-- | Transforms purescript records into stringified CSV records.
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-- |
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-- | Columns are inferred from the record's keys, ordered alphabetically.
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stringify :: forall r rl. WriteCSVRecord r rl => RowToList r rl => Keys rl => Pipe (Maybe { | r }) (Maybe String) Aff Unit
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stringify :: forall m r rl. MonadRec m => MonadAff m => MonadThrow Error m => WriteCSVRecord r rl => RowToList r rl => Keys rl => Pipe (Maybe { | r }) (Maybe String) m Unit
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stringify = do
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raw <- liftEffect $ CSV.Stringify.make (Array.fromFoldable $ keys $ Proxy @r) {}
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let
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@ -14,7 +14,6 @@ import Effect.Class (liftEffect)
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import Node.Encoding (Encoding(..))
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import Partial.Unsafe (unsafePartial)
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import Pipes (yield, (>->))
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import Pipes (each) as Pipes
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import Pipes.CSV as Pipes.CSV
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import Pipes.Collect as Pipes.Collect
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import Pipes.Node.Buffer as Pipes.Buffer
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@ -26,7 +25,8 @@ import Test.Spec (Spec, describe, it)
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import Test.Spec.Assertions (shouldEqual)
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csv :: String
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csv = """created,flag,foo,id
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csv =
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"""created,flag,foo,id
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2020-01-01T00:00:00.0Z,true,a,1
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2024-02-02T08:00:00.0Z,false,apple,2
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1970-01-01T00:00:00.0Z,true,hello,3
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@ -41,12 +41,12 @@ spec =
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it "stringify" do
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let
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objs =
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[ {id: 1, foo: "a", flag: true, created: dt "2020-01-01T00:00:00Z"}
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, {id: 2, foo: "apple", flag: false, created: dt "2024-02-02T08:00:00Z"}
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, {id: 3, foo: "hello", flag: true, created: dt "1970-01-01T00:00:00Z"}
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[ { id: 1, foo: "a", flag: true, created: dt "2020-01-01T00:00:00Z" }
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, { id: 2, foo: "apple", flag: false, created: dt "2024-02-02T08:00:00Z" }
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, { id: 3, foo: "hello", flag: true, created: dt "1970-01-01T00:00:00Z" }
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]
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csv' <- map fold $ Pipes.Collect.collectArray $ Pipes.Stream.withEOS (Pipes.each objs) >-> Pipes.CSV.stringify >-> Pipes.Stream.unEOS
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csv' <- map fold $ Pipes.Collect.toArray $ Pipes.Stream.withEOS (Pipes.Construct.eachArray objs) >-> Pipes.CSV.stringify >-> Pipes.Stream.unEOS
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csv' `shouldEqual` csv
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describe "parse" do
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it "parses csv" do
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@ -58,14 +58,14 @@ spec =
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>-> Pipes.Stream.unEOS
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rows `shouldEqual`
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[ {id: 1, foo: "a", flag: true, created: dt "2020-01-01T00:00:00Z"}
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, {id: 2, foo: "apple", flag: false, created: dt "2024-02-02T08:00:00Z"}
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, {id: 3, foo: "hello", flag: true, created: dt "1970-01-01T00:00:00Z"}
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[ { id: 1, foo: "a", flag: true, created: dt "2020-01-01T00:00:00Z" }
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, { id: 2, foo: "apple", flag: false, created: dt "2024-02-02T08:00:00Z" }
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, { id: 3, foo: "hello", flag: true, created: dt "1970-01-01T00:00:00Z" }
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]
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it "parses large csv" do
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nums <- liftEffect $ randomSample' 100000 (chooseInt 0 9)
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let
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csvRows = ["id\n"] <> ((_ <> "\n") <$> show <$> nums)
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csvRows = [ "id\n" ] <> ((_ <> "\n") <$> show <$> nums)
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csv' =
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let
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go ix
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@ -79,10 +79,10 @@ spec =
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>-> Pipes.Stream.inEOS (Pipes.Buffer.fromString UTF8)
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rows <-
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Pipes.Collect.collectArray
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Pipes.Collect.toArray
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$ Pipes.Stream.withEOS csv'
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>-> in16kbChunks
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>-> Pipes.CSV.parse
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>-> Pipes.Stream.unEOS
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rows `shouldEqual` ((\id -> {id}) <$> nums)
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rows `shouldEqual` ((\id -> { id }) <$> nums)
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