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[GH-ISSUE #3067] TypeScript Error: "The inferred type of this node exceeds the maximum length the compiler will serialize" when using admin and organization plugins together. #9458

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opened 2026-04-13 04:55:48 -05:00 by GiteaMirror · 9 comments
GiteaMirror commented 2026-04-13 04:55:48 -05:00
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Originally created by @harveylee on GitHub (Jun 18, 2025).
Original GitHub issue: https://github.com/better-auth/better-auth/issues/3067

Is this suited for github?

  • Yes, this is suited for github

To Reproduce

import { betterAuth } from 'better-auth'
import { admin, organization } from 'better-auth/plugins'

export const auth = betterAuth({
  plugins: [admin(), organization()],
})

Typescript complains about auth:
The inferred type of this node exceeds the maximum length the compiler will serialize. An explicit type annotation is needed. ts(7056)

Current vs. Expected behavior

Current: Typescript error as above
Expected: No Typescript error

What version of Better Auth are you using?

1.2.9

Provide environment information

- OS: Windows 11 Home, v10.0.26100 Build 26100, running WSL2
- WSL2: Linux 6.6.87.1-microsoft-standard-WSL2
- Debian trixie

Which area(s) are affected? (Select all that apply)

Backend

Auth config (if applicable)

See repro above

Additional context

  • Possibly related to https://github.com/better-auth/better-auth/issues/949
  • This issue does not occur in Better Auth v1.2.7 and starts to occur from v1.2.8-beta.1 onwards
  • This issue does not occur using either the Admin or the Organization plugins by themselves; the issue only occurs using them together
  • Tested with Typescript 5.8.3 as well as the 5.9.0-dev.20250617 nightly

tsconfig.json extract:

{
  "extends": "./node_modules/@tsconfig/bun/tsconfig.json",
  "compilerOptions": {
    "incremental": true,
    "composite": true,
    "lib": ["ESNext", "DOM", "DOM.Iterable"],
    "strict": true,
    "allowUnreachableCode": true,
    "noPropertyAccessFromIndexSignature": false,
    "noUnusedLocals": false,
    "noUnusedParameters": false,
    "declaration": false,
    "emitDeclarationOnly": true,
    "noEmit": false,
    "isolatedModules": true,
    "skipLibCheck": true
  }
}
Originally created by @harveylee on GitHub (Jun 18, 2025). Original GitHub issue: https://github.com/better-auth/better-auth/issues/3067 ### Is this suited for github? - [x] Yes, this is suited for github ### To Reproduce ```ts import { betterAuth } from 'better-auth' import { admin, organization } from 'better-auth/plugins' export const auth = betterAuth({ plugins: [admin(), organization()], }) ``` Typescript complains about `auth`: `The inferred type of this node exceeds the maximum length the compiler will serialize. An explicit type annotation is needed. ts(7056)` ### Current vs. Expected behavior Current: Typescript error as above Expected: No Typescript error ### What version of Better Auth are you using? 1.2.9 ### Provide environment information ```bash - OS: Windows 11 Home, v10.0.26100 Build 26100, running WSL2 - WSL2: Linux 6.6.87.1-microsoft-standard-WSL2 - Debian trixie ``` ### Which area(s) are affected? (Select all that apply) Backend ### Auth config (if applicable) ```typescript See repro above ``` ### Additional context - Possibly related to https://github.com/better-auth/better-auth/issues/949 - This issue does not occur in Better Auth v1.2.7 and starts to occur from v1.2.8-beta.1 onwards - This issue does not occur using either the Admin or the Organization plugins by themselves; the issue only occurs using them together - Tested with Typescript 5.8.3 as well as the 5.9.0-dev.20250617 nightly `tsconfig.json` extract: ```json { "extends": "./node_modules/@tsconfig/bun/tsconfig.json", "compilerOptions": { "incremental": true, "composite": true, "lib": ["ESNext", "DOM", "DOM.Iterable"], "strict": true, "allowUnreachableCode": true, "noPropertyAccessFromIndexSignature": false, "noUnusedLocals": false, "noUnusedParameters": false, "declaration": false, "emitDeclarationOnly": true, "noEmit": false, "isolatedModules": true, "skipLibCheck": true } }
GiteaMirror added the lockedbug labels 2026-04-13 04:55:48 -05:00
GiteaMirror commented 2026-04-13 04:55:50 -05:00
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@Rieranthony commented on GitHub (Jun 18, 2025):

I have the same warning, I tried to find a solution but no success yet!

Anytime I try something, I obviously lost the inferred type and lose the reference to org & admin.

<!-- gh-comment-id:2983267695 --> @Rieranthony commented on GitHub (Jun 18, 2025): I have the same warning, I tried to find a solution but no success yet! Anytime I try something, I obviously lost the inferred type and lose the reference to org & admin.
GiteaMirror commented 2026-04-13 04:55:51 -05:00
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@ping-maxwell commented on GitHub (Jun 19, 2025):

Hey guys, if possible, remove composite, or set it to false.

<!-- gh-comment-id:2987769115 --> @ping-maxwell commented on GitHub (Jun 19, 2025): Hey guys, if possible, remove `composite`, or set it to `false`.
GiteaMirror commented 2026-04-13 04:55:51 -05:00
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@jrizo0 commented on GitHub (Jun 19, 2025):

I was experiencing the same issue. I tried this solution, and it worked:

import { betterAuth, BetterAuthOptions } from "better-auth";

const authConfig = {
  //...
} satisfies BetterAuthOptions;

export const auth = betterAuth(authConfig) as ReturnType<
  typeof betterAuth<typeof authConfig>
>;
<!-- gh-comment-id:2988246817 --> @jrizo0 commented on GitHub (Jun 19, 2025): I was experiencing the same issue. I tried this solution, and it worked: ``` ts import { betterAuth, BetterAuthOptions } from "better-auth"; const authConfig = { //... } satisfies BetterAuthOptions; export const auth = betterAuth(authConfig) as ReturnType< typeof betterAuth<typeof authConfig> >; ```
GiteaMirror commented 2026-04-13 04:55:52 -05:00
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@conficiusa commented on GitHub (Jul 10, 2025):

I was experiencing the same issue. I tried this solution, and it worked:

import { betterAuth, BetterAuthOptions } from "better-auth";

const authConfig = {
//...
} satisfies BetterAuthOptions;

export const auth = betterAuth(authConfig) as ReturnType<
typeof betterAuth

;

This fixed it for me

<!-- gh-comment-id:3057372368 --> @conficiusa commented on GitHub (Jul 10, 2025): > I was experiencing the same issue. I tried this solution, and it worked: > > import { betterAuth, BetterAuthOptions } from "better-auth"; > > const authConfig = { > //... > } satisfies BetterAuthOptions; > > export const auth = betterAuth(authConfig) as ReturnType< > typeof betterAuth<typeof authConfig> > >; This fixed it for me
GiteaMirror commented 2026-04-13 04:55:52 -05:00
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@benjamin-guibert commented on GitHub (Jul 22, 2025):

I was experiencing the same issue. I tried this solution, and it worked:

import { betterAuth, BetterAuthOptions } from "better-auth";

const authConfig = {
//...
} satisfies BetterAuthOptions;

export const auth = betterAuth(authConfig) as ReturnType<
typeof betterAuth

;

It doesn't work for me, now I have this error on the authConfig:

Exported variable 'authConfig' has or is using name 'OrganizationOptions' from external module "[ROOT]/node_modules/.pnpm/better-auth@1.3.1_react-dom@19.1.0_react@19.1.0/node_modules/better-auth/dist/plugins/organization/index" but cannot be named. ts(4023)
<!-- gh-comment-id:3102872049 --> @benjamin-guibert commented on GitHub (Jul 22, 2025): > I was experiencing the same issue. I tried this solution, and it worked: > > import { betterAuth, BetterAuthOptions } from "better-auth"; > > const authConfig = { > //... > } satisfies BetterAuthOptions; > > export const auth = betterAuth(authConfig) as ReturnType< > typeof betterAuth<typeof authConfig> > >; It doesn't work for me, now I have this error on the `authConfig`: ``` Exported variable 'authConfig' has or is using name 'OrganizationOptions' from external module "[ROOT]/node_modules/.pnpm/better-auth@1.3.1_react-dom@19.1.0_react@19.1.0/node_modules/better-auth/dist/plugins/organization/index" but cannot be named. ts(4023) ```
GiteaMirror commented 2026-04-13 04:55:53 -05:00
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@amosbastian commented on GitHub (Aug 12, 2025):

Same problem as @benjamin-guibert. It seemingly keeps coming and going depending on the version and which plugins I use 😭

<!-- gh-comment-id:3180947724 --> @amosbastian commented on GitHub (Aug 12, 2025): Same problem as @benjamin-guibert. It seemingly keeps coming and going depending on the version and which plugins I use 😭
GiteaMirror commented 2026-04-13 04:55:53 -05:00
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@abielzulio commented on GitHub (Aug 16, 2025):

here's what i did instead with oneTimeToken plugin

export const createPublicAuthService = (
  opts: BetterAuthOptions
): ReturnType<typeof betterAuth> => {
  return betterAuth({
    ...opts,
    plugins: [oneTimeToken()],
  })
}

type BaseAuthService = ReturnType<typeof createPublicAuthService>

type AuthApi = BaseAuthService["api"] &
  ReturnType<typeof oneTimeToken>["endpoints"]

export interface PublicAuthService extends BaseAuthService {
  api: AuthApi
}
<!-- gh-comment-id:3193458505 --> @abielzulio commented on GitHub (Aug 16, 2025): here's what i did instead with `oneTimeToken` plugin ```ts export const createPublicAuthService = ( opts: BetterAuthOptions ): ReturnType<typeof betterAuth> => { return betterAuth({ ...opts, plugins: [oneTimeToken()], }) } type BaseAuthService = ReturnType<typeof createPublicAuthService> type AuthApi = BaseAuthService["api"] & ReturnType<typeof oneTimeToken>["endpoints"] export interface PublicAuthService extends BaseAuthService { api: AuthApi } ```
GiteaMirror commented 2026-04-13 04:55:54 -05:00
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@RamAvni commented on GitHub (Aug 18, 2025):

What solved it for me was this ReturnType<typeof betterAuth> funny thing:

import { betterAuth } from "better-auth";
import { createPool } from "mysql2/promise";
import { config } from "dotenv";

config({ path: "./.env.development" });

export const auth: ReturnType<typeof betterAuth> = betterAuth({
  database: createPool({
    host: process.env.DB_HOST,
    port: parseInt(process.env.DB_PORT || "3306"),
    user: process.env.DB_USER,
    password: process.env.DB_PASS,
    database: process.env.DB_NAME,
  }),
});
<!-- gh-comment-id:3195052055 --> @RamAvni commented on GitHub (Aug 18, 2025): What solved it for me was this `ReturnType<typeof betterAuth>` funny thing: ```ts import { betterAuth } from "better-auth"; import { createPool } from "mysql2/promise"; import { config } from "dotenv"; config({ path: "./.env.development" }); export const auth: ReturnType<typeof betterAuth> = betterAuth({ database: createPool({ host: process.env.DB_HOST, port: parseInt(process.env.DB_PORT || "3306"), user: process.env.DB_USER, password: process.env.DB_PASS, database: process.env.DB_NAME, }), }); ```
GiteaMirror commented 2026-04-13 04:55:54 -05:00
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@j13n commented on GitHub (Sep 3, 2025):

I was experiencing the same issue. I tried this solution, and it worked:

import { betterAuth, BetterAuthOptions } from "better-auth";

const authConfig = {
//...
} satisfies BetterAuthOptions;

export const auth = betterAuth(authConfig) as ReturnType<
typeof betterAuth

;

Just moving my options to a const solved my "The inferred type of this node exceeds the maximum length the compiler will serialize." issue. Didn't have to add the types to the auth object.

<!-- gh-comment-id:3249575181 --> @j13n commented on GitHub (Sep 3, 2025): > I was experiencing the same issue. I tried this solution, and it worked: > > import { betterAuth, BetterAuthOptions } from "better-auth"; > > const authConfig = { > //... > } satisfies BetterAuthOptions; > > export const auth = betterAuth(authConfig) as ReturnType< > typeof betterAuth<typeof authConfig> > >; Just moving my options to a const solved my "The inferred type of this node exceeds the maximum length the compiler will serialize." issue. Didn't have to add the types to the auth object.
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Reference: github-starred/better-auth#9458
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