graphql-compose/es/type/generic.js

GraphQL schema builder from different data sources with middleware extensions.

import { GraphQLScalarType, GraphQLError } from 'graphql';
import { Kind } from 'graphql/language';

function coerceDate(value) {
  var json = JSON.stringify(value);
  return json.replace(/"/g, '\'');
}

var GenericType = new GraphQLScalarType({
  name: 'Generic',
  serialize: coerceDate,
  parseValue: coerceDate,
  parseLiteral: function parseLiteral(ast) {
    if (ast.kind !== Kind.STRING) {
      throw new GraphQLError('Query error: Can only parse strings to buffers but got a: ' + ast.kind, [ast]);
    }

    var json = ast.value.replace(/'/g, '"');
    return JSON.parse(json);
  }
});

export default GenericType;