message: Respect `n` at the end
diff: @@ -5,9 +5,11 @@ import { GraphQLScalarType } from 'graphql/type/definition';
  import { Kind } from 'graphql/language/kinds';
  export const coerceBigInt = (value: any) => {
  + if (typeof value === 'string') {
  + value = value.toString().replace('n', '');
  + }
  if (typeof BigInt === 'undefined') {
  - const numberStr = value.toString().replace('n', '');
  - const number = Number(numberStr);
  + const number = Number(value);
  if (!Number.isInteger(number)) {
  throw new Error(`${value} is not an integer!`);
  }
  