Typescript error when creating scalar type

[joeytepp]

When creating a GraphQLScalarType in my schema I am getting a typescript error. Here is a simplified example of my code.

export default {
  MyScalar: new GraphQLScalarType({
    ...
    parseLiteral(ast) {
      return ast.value;
    }
  })
}

The error message is

Property 'value' does not exist on type 'VariableNode | IntValueNode | FloatValueNode | BooleanValueNode | NullValueNode | EnumValueNode | ListValueNode | ObjectValueNode'

Any help is appreciated!

[joeytepp]

Seems that i needed to add a check for ast.kind and this fixed the error