Language.GraphQL.June2018.Parser

How to use this library

This module exposes functions dealing with parsing GraphQL schema and executable documents.

Parsing GraphQL executable documents

{-# LANGUAGE OverloadedStrings #-}
import qualified  Language.GraphQL.June2018.Parser as AST

main = do
  let ast = AST.parseExecutableDoc "{ cat }"
  either (fail . show) f ast
  where
    f _ = return () -- The function which uses the ast

Parsing GraphQL schema

{-# LANGUAGE OverloadedStrings #-}
import qualified  Language.GraphQL.June2018.Parser as AST

main :: do
  let schema = AST.parseSchemaDoc "type cat {name: String!}"
  either (fail . show) f ast
  where
    f _ = return () -- The function which uses the schema

GraphQL functions

parseExecutableDoc :: Text -> Either Text ExecutableDocument

Parse an executable document into GraphQL Abstract Syntax Tree

parseSchemaDoc :: Text -> Either Text SchemaDocument

Parse a schema document

Parsers

executableDocument :: Parser ExecutableDocument

Parser for GraphQL Abstract Syntax Tree

schemaDocument :: Parser SchemaDocument

Parser for GraphQL schema

value :: Parser Value

Parser for GraphQL value data type.