feat: promise safety with eslint

.eslintignore

@@ -0,0 +1,7 @@
+# Config files
+*.config.js
+*.config.cjs
+
+# Statically hosted javascript files
+apps/*/public/*.js
+apps/*/public/*.cjs

apps/marketing/src/app/(marketing)/[content]/page.tsx

@@ -5,7 +5,7 @@ import { allDocuments } from 'contentlayer/generated';
 import type { MDXComponents } from 'mdx/types';
 import { useMDXComponent } from 'next-contentlayer/hooks';
 
-export const generateStaticParams = async () =>
+export const generateStaticParams = () =>
   allDocuments.map((post) => ({ post: post._raw.flattenedPath }));
 
 export const generateMetadata = ({ params }: { params: { content: string } }) => {

apps/marketing/src/app/(marketing)/blog/[post]/page.tsx

@@ -7,7 +7,7 @@ import { ChevronLeft } from 'lucide-react';
 import type { MDXComponents } from 'mdx/types';
 import { useMDXComponent } from 'next-contentlayer/hooks';
 
-export const generateStaticParams = async () =>
+export const generateStaticParams = () =>
   allBlogPosts.map((post) => ({ post: post._raw.flattenedPath }));
 
 export const generateMetadata = ({ params }: { params: { post: string } }) => {

apps/marketing/src/app/(marketing)/open/page.tsx

@@ -43,7 +43,7 @@ export default async function OpenPage() {
       accept: 'application/vnd.github.v3+json',
     },
   })
-    .then((res) => res.json())
+    .then(async (res) => res.json())
     .then((res) => ZGithubStatsResponse.parse(res));
 
   const { total_count: mergedPullRequests } = await fetch(
@@ -54,7 +54,7 @@ export default async function OpenPage() {
       },
     },
   )
-    .then((res) => res.json())
+    .then(async (res) => res.json())
     .then((res) => ZMergedPullRequestsResponse.parse(res));
 
   const STARGAZERS_DATA = await fetch('https://stargrazer-live.onrender.com/api/stats', {
@@ -62,7 +62,7 @@ export default async function OpenPage() {
       accept: 'application/json',
     },
   })
-    .then((res) => res.json())
+    .then(async (res) => res.json())
     .then((res) => ZStargazersLiveResponse.parse(res));
 
   return (

apps/marketing/src/app/(marketing)/page.tsx

@@ -24,7 +24,7 @@ export default async function IndexPage() {
       accept: 'application/vnd.github.v3+json',
     },
   })
-    .then((res) => res.json())
+    .then(async (res) => res.json())
     .then((res) => (typeof res.stargazers_count === 'number' ? res.stargazers_count : undefined))
     .catch(() => undefined);
 

apps/marketing/src/components/(marketing)/claim-plan-dialog.tsx

@@ -63,7 +63,9 @@ export const ClaimPlanDialog = ({ className, planId, children }: ClaimPlanDialog
 
   const onFormSubmit = async ({ name, email }: TClaimPlanDialogFormSchema) => {
     try {
-      const delay = new Promise<void>((resolve) => setTimeout(resolve, 1000));
+      const delay = new Promise<void>((resolve) => {
+        setTimeout(resolve, 1000);
+      });
 
       const [redirectUrl] = await Promise.all([
         claimPlan({ name, email, planId, signatureText: name, signatureDataUrl: null }),

apps/marketing/src/components/(marketing)/password-reveal.tsx

@@ -13,7 +13,7 @@ export const PasswordReveal = ({ password }: PasswordRevealProps) => {
   const [, copy] = useCopyToClipboard();
 
   const onCopyClick = () => {
-    copy(password).then(() => {
+    void copy(password).then(() => {
       toast({
         title: 'Copied to clipboard',
         description: 'Your password has been copied to your clipboard.',

apps/marketing/src/components/(marketing)/widget.tsx

@@ -124,7 +124,7 @@ export const Widget = ({ className, children, ...props }: WidgetProps) => {
     setValue('signatureDataUrl', draftSignatureDataUrl);
     setValue('signatureText', '');
 
-    trigger('signatureDataUrl');
+    void trigger('signatureDataUrl');
     setShowSigningDialog(false);
   };
 
@@ -135,7 +135,9 @@ export const Widget = ({ className, children, ...props }: WidgetProps) => {
     signatureText,
   }: TWidgetFormSchema) => {
     try {
-      const delay = new Promise<void>((resolve) => setTimeout(resolve, 1000));
+      const delay = new Promise<void>((resolve) => {
+        setTimeout(resolve, 1000);
+      });
 
       // eslint-disable-next-line turbo/no-undeclared-env-vars
       const planId = process.env.NEXT_PUBLIC_STRIPE_COMMUNITY_PLAN_MONTHLY_PRICE_ID;

apps/web/src/app/(signing)/sign/[token]/name-field.tsx

@@ -149,7 +149,7 @@ export const NameField = ({ field, recipient }: NameFieldProps) => {
                 disabled={!localFullName}
                 onClick={() => {
                   setShowFullNameModal(false);
-                  onSign('local');
+                  void onSign('local');
                 }}
               >
                 Sign

apps/web/src/app/(signing)/sign/[token]/signature-field.tsx

@@ -182,7 +182,7 @@ export const SignatureField = ({ field, recipient }: SignatureFieldProps) => {
                 disabled={!localSignature}
                 onClick={() => {
                   setShowSignatureModal(false);
-                  onSign('local');
+                  void onSign('local');
                 }}
               >
                 Sign

apps/web/src/components/(dashboard)/layout/profile-dropdown.tsx

@@ -118,7 +118,7 @@ export const ProfileDropdown = ({ user }: ProfileDropdownProps) => {
 
         <DropdownMenuItem
           onSelect={() =>
-            signOut({
+            void signOut({
               callbackUrl: '/',
             })
           }

apps/web/src/components/(marketing)/claim-plan-dialog.tsx

@@ -63,7 +63,9 @@ export const ClaimPlanDialog = ({ className, planId, children }: ClaimPlanDialog
 
   const onFormSubmit = async ({ name, email }: TClaimPlanDialogFormSchema) => {
     try {
-      const delay = new Promise<void>((resolve) => setTimeout(resolve, 1000));
+      const delay = new Promise<void>((resolve) => {
+        setTimeout(resolve, 1000);
+      });
 
       const [redirectUrl] = await Promise.all([
         claimPlan({ name, email, planId, signatureText: name, signatureDataUrl: null }),

apps/web/src/components/(marketing)/password-reveal.tsx

@@ -13,7 +13,7 @@ export const PasswordReveal = ({ password }: PasswordRevealProps) => {
   const [, copy] = useCopyToClipboard();
 
   const onCopyClick = () => {
-    copy(password).then(() => {
+    void copy(password).then(() => {
       toast({
         title: 'Copied to clipboard',
         description: 'Your password has been copied to your clipboard.',

apps/web/src/components/(marketing)/widget.tsx

@@ -124,7 +124,7 @@ export const Widget = ({ className, children, ...props }: WidgetProps) => {
     setValue('signatureDataUrl', draftSignatureDataUrl);
     setValue('signatureText', '');
 
-    trigger('signatureDataUrl');
+    void trigger('signatureDataUrl');
     setShowSigningDialog(false);
   };
 
@@ -135,7 +135,9 @@ export const Widget = ({ className, children, ...props }: WidgetProps) => {
     signatureText,
   }: TWidgetFormSchema) => {
     try {
-      const delay = new Promise<void>((resolve) => setTimeout(resolve, 1000));
+      const delay = new Promise<void>((resolve) => {
+        setTimeout(resolve, 1000);
+      });
 
       // eslint-disable-next-line turbo/no-undeclared-env-vars
       const planId = process.env.NEXT_PUBLIC_STRIPE_COMMUNITY_PLAN_MONTHLY_PRICE_ID;

apps/web/src/components/forms/signin.tsx

@@ -79,10 +79,7 @@ export const SignInForm = ({ className }: SignInFormProps) => {
   return (
     <form
       className={cn('flex w-full flex-col gap-y-4', className)}
-      onSubmit={(e) => {
-        e.preventDefault();
-        handleSubmit(onFormSubmit)();
-      }}
+      onSubmit={handleSubmit(onFormSubmit)}
     >
       <div>
         <Label htmlFor="email" className="text-slate-500">

apps/web/src/helpers/get-feature-flag.ts

@@ -32,7 +32,7 @@ export const getFlag = async (
       revalidate: 60,
     },
   })
-    .then((res) => res.json())
+    .then(async (res) => res.json())
     .then((res) => ZFeatureFlagValueSchema.parse(res))
     .catch(() => false);
 
@@ -64,7 +64,7 @@ export const getAllFlags = async (
       revalidate: 60,
     },
   })
-    .then((res) => res.json())
+    .then(async (res) => res.json())
     .then((res) => z.record(z.string(), ZFeatureFlagValueSchema).parse(res))
     .catch(() => LOCAL_FEATURE_FLAGS);
 };

apps/web/src/helpers/get-post-hog-server-client.ts

@@ -11,6 +11,6 @@ export default function PostHogServerClient() {
 
   return new PostHog(postHogConfig.key, {
     host: postHogConfig.host,
-    fetch: (...args) => fetch(...args),
+    fetch: async (...args) => fetch(...args),
   });
 }

apps/web/src/middleware.ts

@@ -1,6 +1,6 @@
 import { NextRequest, NextResponse } from 'next/server';
 
-export default async function middleware(req: NextRequest) {
+export default function middleware(req: NextRequest) {
   if (req.nextUrl.pathname === '/') {
     const redirectUrl = new URL('/documents', req.url);
 

apps/web/src/pages/api/trpc/[trpc].ts

@@ -4,7 +4,7 @@ import { appRouter } from '@documenso/trpc/server/router';
 
 export default trpcNext.createNextApiHandler({
   router: appRouter,
-  createContext: ({ req, res }) => createTrpcContext({ req, res }),
+  createContext: async ({ req, res }) => createTrpcContext({ req, res }),
 });
 
 // export default async function handler(_req: NextApiRequest, res: NextApiResponse) {

apps/web/src/providers/feature-flag.tsx

@@ -67,7 +67,7 @@ export function FeatureFlagProvider({
 
     const interval = setInterval(() => {
       if (document.hasFocus()) {
-        getAllFlags().then((newFlags) => setFlags(newFlags));
+        void getAllFlags().then((newFlags) => setFlags(newFlags));
       }
     }, FEATURE_FLAG_POLL_INTERVAL);
 
@@ -84,7 +84,7 @@ export function FeatureFlagProvider({
       return;
     }
 
-    const onFocus = () => getAllFlags().then((newFlags) => setFlags(newFlags));
+    const onFocus = () => void getAllFlags().then((newFlags) => setFlags(newFlags));
 
     window.addEventListener('focus', onFocus);
 

packages/email/transports/mailchannels.ts

@@ -110,9 +110,10 @@ export class MailChannelsTransport implements Transport<SentMessageInfo> {
           });
         }
 
-        res.json().then((data) => {
-          return callback(new Error(`MailChannels error: ${data.message}`), null);
-        });
+        res
+          .json()
+          .then((data) => callback(new Error(`MailChannels error: ${data.message}`), null))
+          .catch((err) => callback(err, null));
       })
       .catch((err) => {
         return callback(err, null);

packages/eslint-config/index.cjs

@@ -20,6 +20,8 @@ module.exports = {
   parser: '@typescript-eslint/parser',
 
   parserOptions: {
+    tsconfigRootDir: __dirname,
+    project: ['../../apps/*/tsconfig.json', '../../packages/*/tsconfig.json'],
     ecmaVersion: 2022,
     ecmaFeatures: {
       jsx: true,
@@ -33,6 +35,18 @@ module.exports = {
     'no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
     '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
 
+    // Safety with promises so we aren't running with scissors
+    'no-promise-executor-return': 'error',
+    'prefer-promise-reject-errors': 'error',
+    'require-atomic-updates': 'error',
+    '@typescript-eslint/no-floating-promises': 'error',
+    '@typescript-eslint/no-misused-promises': [
+      'error',
+      { checksVoidReturn: { attributes: false } },
+    ],
+    '@typescript-eslint/promise-function-async': 'error',
+    '@typescript-eslint/require-await': 'error',
+
     // We never want to use `as` but are required to on occasion to handle
     // shortcomings in third-party and generated types.
     //

packages/eslint-config/tsconfig.json

@@ -0,0 +1,9 @@
+{
+  "extends": "@documenso/tsconfig/base.json",
+  "compilerOptions": {
+    "allowJs": true,
+    "noEmit": true,
+  },
+  "include": ["**/*.cjs", "**/*.js"],
+  "exclude": ["dist", "build", "node_modules"]
+}

packages/lib/next-auth/auth-options.ts

@@ -89,7 +89,7 @@ export const NEXT_AUTH_OPTIONS: AuthOptions = {
       };
     },
 
-    async session({ token, session }) {
+    session({ token, session }) {
       if (token && token.email) {
         return {
           ...session,

packages/lib/next-auth/get-server-session.ts

@@ -1,9 +1,6 @@
 import { GetServerSidePropsContext, NextApiRequest, NextApiResponse } from 'next';
-import { headers } from 'next/headers';
-import { NextRequest } from 'next/server';
 
 import { getServerSession as getNextAuthServerSession } from 'next-auth';
-import { getToken } from 'next-auth/jwt';
 
 import { prisma } from '@documenso/prisma';
 
@@ -30,18 +27,6 @@ export const getServerSession = async ({ req, res }: GetServerSessionOptions) =>
   return user;
 };
 
-export const getServerComponentToken = async () => {
-  const requestHeaders = Object.fromEntries(headers().entries());
-
-  const req = new NextRequest('http://example.com', {
-    headers: requestHeaders,
-  });
-
-  const token = await getToken({
-    req,
-  });
-};
-
 export const getServerComponentSession = async () => {
   const session = await getNextAuthServerSession(NEXT_AUTH_OPTIONS);
 

packages/lib/server-only/document/complete-document-with-token.ts

@@ -87,6 +87,6 @@ export const completeDocumentWithToken = async ({
 
   if (documents.count > 0) {
     console.log('sealing document');
-    sealDocument({ documentId: document.id });
+    await sealDocument({ documentId: document.id });
   }
 };

packages/tailwind-config/tsconfig.json

@@ -0,0 +1,9 @@
+{
+  "extends": "@documenso/tsconfig/base.json",
+  "compilerOptions": {
+    "allowJs": true,
+    "noEmit": true,
+  },
+  "include": ["**/*.cjs", "**/*.js"],
+  "exclude": ["dist", "build", "node_modules"]
+}

packages/trpc/server/trpc.ts

@@ -10,7 +10,7 @@ const t = initTRPC.context<TrpcContext>().create({
 /**
  * Middlewares
  */
-export const authenticatedMiddleware = t.middleware(({ ctx, next }) => {
+export const authenticatedMiddleware = t.middleware(async ({ ctx, next }) => {
   if (!ctx.session) {
     throw new TRPCError({
       code: 'UNAUTHORIZED',
@@ -18,7 +18,7 @@ export const authenticatedMiddleware = t.middleware(({ ctx, next }) => {
     });
   }
 
-  return next({
+  return await next({
     ctx: {
       ...ctx,
 

packages/tsconfig/tsconfig.json

@@ -0,0 +1,8 @@
+{
+  "extends": "./base.json",
+  "compilerOptions": {
+    "noEmit": true,
+  },
+  "include": ["**/*.ts", "**/*.tsx", "**/*.d.ts", "**/*.json"],
+  "exclude": ["dist", "build", "node_modules"]
+}

packages/ui/primitives/document-dropzone.tsx

@@ -86,7 +86,7 @@ export const DocumentDropzone = ({ className, onDrop, ...props }: DocumentDropzo
     multiple: false,
     onDrop: ([acceptedFile]) => {
       if (acceptedFile && onDrop) {
-        onDrop(acceptedFile);
+        void onDrop(acceptedFile);
       }
     },
   });

packages/ui/primitives/document-flow/add-fields.tsx

@@ -88,6 +88,8 @@ export const AddFieldsFormPartial = ({
     },
   });
 
+  const onFormSubmit = handleSubmit(onSubmit);
+
   const {
     append,
     remove,
@@ -500,7 +502,7 @@ export const AddFieldsFormPartial = ({
           loading={isSubmitting}
           disabled={isSubmitting}
           onGoBackClick={documentFlow.onBackStep}
-          onGoNextClick={() => handleSubmit(onSubmit)()}
+          onGoNextClick={() => void onFormSubmit()}
         />
       </DocumentFlowFormContainerFooter>
     </>

packages/ui/primitives/document-flow/add-signers.tsx

@@ -68,6 +68,8 @@ export const AddSignersFormPartial = ({
     },
   });
 
+  const onFormSubmit = handleSubmit(onSubmit);
+
   const {
     append: appendSigner,
     fields: signers,
@@ -214,7 +216,7 @@ export const AddSignersFormPartial = ({
           loading={isSubmitting}
           disabled={isSubmitting}
           onGoBackClick={documentFlow.onBackStep}
-          onGoNextClick={() => handleSubmit(onSubmit)()}
+          onGoNextClick={() => void onFormSubmit()}
         />
       </DocumentFlowFormContainerFooter>
     </>

packages/ui/primitives/document-flow/add-subject.tsx

@@ -47,6 +47,8 @@ export const AddSubjectFormPartial = ({
     },
   });
 
+  const onFormSubmit = handleSubmit(onSubmit);
+
   return (
     <>
       <DocumentFlowFormContainerContent>
@@ -130,7 +132,7 @@ export const AddSubjectFormPartial = ({
           disabled={isSubmitting}
           goNextLabel={document.status === DocumentStatus.DRAFT ? 'Send' : 'Update'}
           onGoBackClick={documentFlow.onBackStep}
-          onGoNextClick={() => handleSubmit(onSubmit)()}
+          onGoNextClick={() => void onFormSubmit()}
         />
       </DocumentFlowFormContainerFooter>
     </>

packages/ui/primitives/pdf-viewer.tsx

@@ -66,7 +66,7 @@ export const PDFViewer = ({ className, document, onPageClick, ...props }: PDFVie
     const pageY = event.clientY - top;
 
     if (onPageClick) {
-      onPageClick({
+      void onPageClick({
         pageNumber,
         numPages,
         originalEvent: event,

packages/ui/primitives/signature-pad/canvas.ts

@@ -302,8 +302,8 @@ export class Canvas {
   /**
    * Retrieves the signature as an image blob.
    */
-  public toBlob(type?: string, quality?: number): Promise<Blob> {
-    return new Promise((resolve, reject) => {
+  public async toBlob(type?: string, quality?: number): Promise<Blob> {
+    const promise = new Promise<Blob>((resolve, reject) => {
       this.$canvas.toBlob(
         (blob) => {
           if (!blob) {
@@ -317,5 +317,7 @@ export class Canvas {
         quality,
       );
     });
+
+    return await promise;
   }
 }