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import { graphql, GraphQLSchema, ExecutionResult } from 'https://deno.land/x/graphql_deno@v15.0.0/mod.ts'
export type GraphQLOptions<Context = any, Request = any> = {  schema: GraphQLSchema  context?: (val: Request) => Context | Promise<Context>  rootValue?: any  graphiql?: boolean}interface Params {  variables?: Record<string, unknown>  operationName?: string}
interface QueryParams extends Params {  query: string  mutation?: never}
interface MutationParams extends Params {  mutation: string  query?: never}
export type GraphQLParams = QueryParams | MutationParams
/** * Execute a GraphQL query * @param {GraphQLParams} params * @param {GraphQLOptions} options * @param context GraphQL context to use inside resolvers * * @example * ```ts * const { errors, data } = await runHttpQuery<ServerRequest, typeof context>({ query: `{ hello }` }, { schema } }, context) * ``` */export async function runHttpQuery<Req extends any = any, Context extends { request: Req } = { request: Req }>(  params: GraphQLParams,  options: GraphQLOptions<Context, Req>,  context?: Context | any): Promise<ExecutionResult> {  const contextValue = options.context && context?.request ? await options.context?.(context?.request) : context  const source = params.query! || params.mutation!
  return await graphql({    source,    ...options,    contextValue,    variableValues: params.variables,    operationName: params.operationName  })}