shared eslint setup

.eslintignore

@@ -0,0 +1 @@
+**/generated/**

.eslintrc.cjs

@@ -1,12 +1,52 @@
 module.exports = {
-  root: true,
-  env: {
-    es2020: true,
-  },
-  parser: '@typescript-eslint/parser',
-  plugins: ['@typescript-eslint'],
-  rules: {
-    'no-else-return': ['error', { allowElseIf: false }],
-    'object-shorthand': ['error', 'always'],
-  },
+  extends: ['@theguild'],
+  overrides: [
+    {
+      files: ['packages/graphql-yoga/src/plugins/**/*.ts'],
+      rules: {
+        'unicorn/filename-case': 'off',
+      },
+    },
+    {
+      files: ['website/**'],
+      rules: { 'import/no-default-export': 'off' },
+    },
+    {
+      files: ['examples/**'],
+      rules: {
+        'import/extensions': 'off',
+        'unicorn/filename-case': 'off',
+        'no-console': 'off',
+        'import/no-default-export': 'off',
+      },
+    },
+    {
+      files: [
+        '**/__tests__/**',
+        '**/*.spec.ts',
+        '**/*.test.ts',
+        'e2e/**',
+        '**/__integration-tests__/**',
+      ],
+      rules: {
+        '@typescript-eslint/no-non-null-assertion': 'off',
+        'import/extensions': 'off',
+        'unicorn/filename-case': 'off',
+      },
+    },
+    {
+      files: ['e2e/**'],
+      rules: {
+        'no-console': 'off',
+      },
+    },
+    {
+      files: ['packages/graphiql/**', 'packages/render-graphiql/**'],
+      rules: {
+        'unicorn/filename-case': 'off',
+        'import/extensions': 'off',
+        'import/no-default-export': 'off',
+      },
+    },
+  ],
 }

benchmark/hello-world/check-server.js

@@ -1,3 +1,6 @@
+/* eslint-disable no-undef */
+/* eslint-disable no-console */
+/* eslint-disable @typescript-eslint/no-var-requires */
 require('@whatwg-node/fetch')
   .fetch(
     `http://localhost:4000/graphql?query=${encodeURIComponent(

benchmark/hello-world/k6.js

@@ -1,3 +1,4 @@
+/* eslint-disable */
 import { check } from 'k6'
 import http from 'k6/http'
 import { textSummary } from 'https://jslib.k6.io/k6-summary/0.0.1/index.js'

benchmark/hello-world/start-server.js

@@ -1,3 +1,4 @@
+/* eslint-disable */
 const { createServer } = require('http')
 const { createYoga, createSchema } = require('graphql-yoga')
 

e2e/tests/aws-lambda.ts

@@ -1,5 +1,5 @@
 import { Stack } from '@pulumi/pulumi/automation'
-import { DeploymentConfiguration } from '../types'
+import type { DeploymentConfiguration } from '../types'
 import { assertGraphiQL, assertQuery, env, execPromise } from '../utils'
 import * as pulumi from '@pulumi/pulumi'
 import * as aws from '@pulumi/aws'

e2e/tests/docker.ts

@@ -7,7 +7,7 @@ import {
 } from '../utils'
 import * as docker from '@pulumi/docker'
 import { interpolate } from '@pulumi/pulumi'
-import { join, resolve } from 'path'
+import { resolve } from 'path'
 
 export const dockerDeployment = (
   image: string,

e2e/types.ts

@@ -1,6 +1,7 @@
 import { Output } from '@pulumi/pulumi'
 import { OutputValue, Stack } from '@pulumi/pulumi/automation'
 
+// eslint-disable-next-line @typescript-eslint/ban-types
 export type DeploymentConfiguration<TProgramOutput = {}> = {
   prerequisites?: (stack: Stack) => Promise<void>
   config?: (stack: Stack) => Promise<void>

e2e/utils.ts

@@ -13,7 +13,7 @@ export async function getCommitId() {
 export async function waitForEndpoint(
   endpoint: string,
   retries: number,
-  timeout: number = 10000,
+  timeout = 10000,
 ): Promise<boolean> {
   for (let attempt = 1; attempt <= retries; attempt++) {
     console.info(

examples/apollo-federation/gateway/gateway.js

@@ -1,3 +1,4 @@
+/* eslint-disable */
 const { createYoga } = require('graphql-yoga')
 const { ApolloGateway, RemoteGraphQLDataSource } = require('@apollo/gateway')
 const { useApolloFederation } = require('@envelop/apollo-federation')

examples/apollo-federation/gateway/index.js

@@ -1,3 +1,4 @@
+/* eslint-disable */
 const { createServer } = require('http')
 const { gateway, DataSource } = require('./gateway')
 

examples/apollo-federation/service/index.js

@@ -1,3 +1,4 @@
+/* eslint-disable */
 const { createServer } = require('http')
 const { yoga } = require('./yoga')
 

examples/apollo-federation/service/yoga.js

@@ -1,3 +1,4 @@
+/* eslint-disable */
 const { parse } = require('graphql')
 const { buildSubgraphSchema } = require('@apollo/subgraph')
 const { createYoga } = require('graphql-yoga')

examples/aws-lambda/scripts/bundle.js

@@ -1,3 +1,4 @@
+/* eslint-disable */
 const { build } = require('esbuild')
 
 async function main() {

examples/azure-function/build.js

@@ -1,3 +1,4 @@
+/* eslint-disable */
 const { build } = require('esbuild')
 const { writeFileSync } = require('fs')
 

examples/deno/test.ts

@@ -2,7 +2,6 @@ import { assertEquals } from 'https://deno.land/std@0.158.0/testing/asserts.ts'
 import { yoga } from './yoga.ts'
 
 Deno.test('Deno example test', async () => {
-  // @ts-ignore for weird reason TS types not working well here?
   const response = await yoga.fetch('http://yoga/graphql?query={hello}', {})
   const { data } = await response.json()
   assertEquals(data.hello, 'Hello Deno!')

examples/fastify/src/app.ts

@@ -1,6 +1,5 @@
 import { createYoga, createSchema } from 'graphql-yoga'
 import fastify, { FastifyReply, FastifyRequest } from 'fastify'
-import { Readable } from 'stream'
 
 export function buildApp(logging = true) {
   const app = fastify({

examples/generic-auth/src/app.ts

@@ -21,7 +21,7 @@ const users: Record<string, User> = {
   },
 }
 
-export const yoga = createYoga<{}, { currentUser: User }>({
+export const yoga = createYoga<unknown, { currentUser: User }>({
   plugins: [
     useGenericAuth({
       mode: 'protect-granular',

examples/graphql-armor/src/yoga.ts

@@ -1,6 +1,5 @@
 import { createSchema, createYoga } from 'graphql-yoga'
 import { EnvelopArmor } from '@escape.tech/graphql-armor'
-import { createServer } from 'http'
 
 const armor = new EnvelopArmor()
 const enhancements = armor.protect()

examples/hackernews/__integration-tests__/prisma__migrate.d.ts

@@ -1,3 +1,4 @@
+/* eslint-disable */
 declare module '@prisma/migrate' {
   // https://github.com/prisma/prisma/blob/main/packages/internals/src/cli/types.ts
   class Command {

examples/hackernews/src/schema.ts

@@ -92,7 +92,7 @@ const resolvers = {
     id: (parent: Link) => parent.id,
     description: (parent: Link) => parent.description,
     url: (parent: Link) => parent.url,
-    comments: (parent: Link, args: {}, context: GraphQLContext) => {
+    comments: (parent: Link, _: unknown, context: GraphQLContext) => {
       return context.prisma.comment.findMany({
         where: {
           linkId: parent.id,

examples/hello-world/index.js

@@ -1,4 +1,7 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+// eslint-disable-next-line no-undef
 const { createServer } = require('node:http')
+// eslint-disable-next-line no-undef
 const { createYoga, createSchema } = require('graphql-yoga')
 
 const yoga = createYoga({
@@ -26,5 +29,6 @@ const yoga = createYoga({
 
 const server = createServer(yoga)
 server.listen(4000, () => {
+  // eslint-disable-next-line no-undef
   console.log('Server listening on http://localhost:4000/graphql')
 })

examples/koa/src/app.ts

@@ -1,6 +1,5 @@
 import { createYoga, createSchema } from 'graphql-yoga'
 import Koa from 'koa'
-import { Readable } from 'stream'
 
 export function buildApp() {
   const app = new Koa()

examples/netlify-edge/__integration-tests__/netlify-edge.spec.ts

@@ -1,7 +1,4 @@
 import yoga from '../src'
-import { createServer, Server } from 'http'
-import { AddressInfo } from 'net'
-import { fetch } from '@whatwg-node/fetch'
 
 describe('netlify-edge example integration', () => {
   it('should execute query', async () => {

examples/netlify-edge/build.js

@@ -1,3 +1,4 @@
+/* eslint-disable */
 const { build } = require('esbuild')
 
 async function main() {

examples/nextjs/scripts/bundle.js

@@ -1,3 +1,4 @@
+/* eslint-disable */
 const { build } = require('esbuild')
 
 async function main() {

examples/node-ts/build.js

@@ -1,3 +1,4 @@
+/* eslint-disable */
 const { build } = require('esbuild')
 const { writeFileSync } = require('fs')
 

examples/node-ts/src/yoga.ts

@@ -2,6 +2,7 @@ import { createYoga, Plugin, createSchema } from 'graphql-yoga'
 import { GraphQLError } from 'graphql'
 
 // available when handling requests, needs to be provided by the implementor
+// eslint-disable-next-line @typescript-eslint/ban-types
 type ServerContext = {}
 
 // available in GraphQL, during execution/subscription
@@ -40,6 +41,7 @@ export const yoga = createYoga<ServerContext, UserContext>({
 })
 
 // context only relevant to the plugin
+// eslint-disable-next-line @typescript-eslint/ban-types
 type DisableSubscriptionPluginContext = {}
 
 function useDisableSubscription(): Plugin<

examples/service-worker/__integration-tests__/integration.spec.ts

@@ -147,6 +147,7 @@ describe('Service worker', () => {
 
     expect(response.status).toBe(200)
     expect(response.headers.get('content-type')).toBe('text/event-stream')
+    // eslint-disable-next-line no-unreachable-loop, @typescript-eslint/no-explicit-any
     for await (const chunk of response.body as any) {
       expect(Buffer.from(chunk).toString('utf-8')).toMatch(/data: {/)
       break

examples/service-worker/src/index.ts

@@ -1,7 +1,7 @@
 import { createYoga, createSchema, Repeater } from 'graphql-yoga'
 
 // We can define GraphQL Route dynamically using env vars.
-declare var GRAPHQL_ROUTE: string
+declare let GRAPHQL_ROUTE: string
 
 const yoga = createYoga({
   graphqlEndpoint: GRAPHQL_ROUTE || '/graphql',

examples/subscriptions/src/index.ts

@@ -62,7 +62,7 @@ const resolvers: Resolvers<Context> = {
             console.log('push')
           }
           increment()
-          let interval = setInterval(increment, 1000)
+          const interval = setInterval(increment, 1000)
           stop.then(() => {
             clearInterval(interval)
             console.log('stop')

jest.config.js

@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
 const { resolve } = require('path')
 const { pathsToModuleNameMapper } = require('ts-jest')
 const CI = !!process.env.CI
@@ -18,8 +19,7 @@ if (process.env.INTEGRATION_TEST === 'true') {
     '<rootDir>/**/__integration-tests__/**/?(*.)+(spec|test).[jt]s?(x)',
   )
   if (parseInt(process.versions.node.split('.')[0]) <= 14) {
-    testMatch.push('!**/examples/sveltekit/**')
-    testMatch.push('!**/examples/fastify*/**')
+    testMatch.push('!**/examples/sveltekit/**', '!**/examples/fastify*/**')
   }
   testMatch.push('!**/examples/bun*/**')
 } else {

package.json

@@ -10,7 +10,6 @@
     "release": "yarn build && changeset publish",
     "start:docs": "yarn workspace website dev",
     "postinstall": "patch-package && husky install",
-    "fix-bin": "node scripts/fix-bin.js",
     "lint": "eslint --ignore-path .gitignore --ext ts,js,tsx,jsx .",
     "prettier": "prettier --ignore-path .prettierignore --write --list-different .",
     "prettier:check": "prettier --ignore-path .prettierignore --check .",
@@ -66,6 +65,7 @@
     "@babel/preset-typescript": "7.18.6",
     "@changesets/changelog-github": "0.4.7",
     "@changesets/cli": "2.24.4",
+    "@theguild/eslint-config": "0.2.0",
     "@types/babel__core": "^7",
     "@types/babel__preset-env": "^7",
     "@types/jest": "^29.0.0",

packages/client/apollo-link/src/index.ts

@@ -41,11 +41,9 @@ function createYogaApolloRequestHandler(
               observer.next(result)
             }
             observer.complete()
-          } else {
-            if (!observer.closed) {
-              observer.next(results)
-              observer.complete()
-            }
+          } else if (!observer.closed) {
+            observer.next(results)
+            observer.complete()
           }
         })
         .catch((error) => {

packages/client/urql-exchange/__integration-tests__/urql-exchange.spec.ts

@@ -1,6 +1,5 @@
-import { Client, createClient, OperationResult } from '@urql/core'
+import { Client, createClient } from '@urql/core'
 import { yogaExchange } from '@graphql-yoga/urql-exchange'
-import { observableToAsyncIterable } from '@graphql-tools/utils'
 import { pipe, toObservable } from 'wonka'
 import { createYoga, createSchema } from 'graphql-yoga'
 import { File } from '@whatwg-node/fetch'

packages/client/urql-exchange/src/index.ts

@@ -18,7 +18,6 @@ import {
   Operation,
   OperationResult,
   getOperationName,
-  Client,
   OperationContext,
   ExchangeIO,
   AnyVariables,
@@ -36,10 +35,12 @@ export type YogaExchangeOptions = LoadFromUrlOptions
 
 export function yogaExchange(options?: YogaExchangeOptions): Exchange {
   const urlLoader = new UrlLoader()
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
   function makeYogaSource<TData extends Record<string, any>>(
     operation: Operation<TData>,
   ): Source<OperationResult<TData>> {
     const operationName = getOperationName(operation.query)
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
     const executionRequest: ExecutionRequest<any, OperationContext> = {
       document: operation.query,
       operationName,
@@ -108,7 +109,7 @@ export function yogaExchange(options?: YogaExchangeOptions): Exchange {
       }
     })
   }
-  return function yogaExchangeFn({ forward, client }): ExchangeIO {
+  return function yogaExchangeFn({ forward }): ExchangeIO {
     return function yogaExchangeIO<TData, TVariables extends AnyVariables>(
       ops$: Source<Operation<TData, TVariables>>,
     ): Source<OperationResult<TData>> {

packages/common/src/warning.ts

@@ -1,3 +1,4 @@
+/* eslint-disable no-console */
 console.warn(
   `@graphql-yoga/common package has been deprecated and will no longer receive updates in the next major.`,
 )

packages/event-target/redis-event-target/src/index.ts

@@ -42,7 +42,7 @@ export function createRedisEventTarget<TEvent extends CustomEvent>(
   }
 
   function removeCallback(topic: string, callback: (event: TEvent) => void) {
-    let callbacks = callbacksForTopic.get(topic)
+    const callbacks = callbacksForTopic.get(topic)
     if (callbacks === undefined) {
       return
     }

packages/graphiql/src/bundle.tsx

@@ -1,6 +1,6 @@
 import React from 'react'
 import ReactDOM from 'react-dom'
-import { YogaGraphiQL, YogaGraphiQLProps } from './YogaGraphiQL'
+import { YogaGraphiQL, YogaGraphiQLProps } from './YogaGraphiQL.js'
 
 export function renderYogaGraphiQL(element: Element, opts?: YogaGraphiQLProps) {
   ReactDOM.render(<YogaGraphiQL {...opts} />, element)

packages/graphql-yoga/__integration-tests__/subscription.spec.ts

@@ -50,6 +50,7 @@ describe('subscription', () => {
       const port = (server.address() as AddressInfo).port
 
       // Start and Close a HTTP SSE subscription
+      // eslint-disable-next-line no-async-promise-executor
       await new Promise<void>(async (res) => {
         const response = await fetch(
           `http://localhost:${port}/graphql?query=subscription{foo}`,

packages/graphql-yoga/__tests__/context.spec.ts

@@ -1,3 +1,5 @@
+/* eslint-disable @typescript-eslint/ban-types */
+/* eslint-disable @typescript-eslint/no-empty-function */
 import { createSchema } from '../src/schema'
 import { createYoga } from '../src/server'
 import { YogaInitialContext } from '../src/types'