Better Auth•3w ago

Creating declaration files results in too long type

Hi, I'm currently using Hono RPC and want to export my Router as a type for the frontend. The problem I'm facing is that when I'm compiling the declaration files to relieve tsserver of inferring them, it crashes with this error message.

src/lib/auth.ts:18:14 - error TS7056: The inferred type of this node exceeds the maximum length the compiler will serialize. An explicit type annotation is needed.

18 export const auth = betterAuth({
                ~~~~

[11:24:50 PM] Found 1 error. Watching for file changes.

src/lib/auth.ts:18:14 - error TS7056: The inferred type of this node exceeds the maximum length the compiler will serialize. An explicit type annotation is needed.

18 export const auth = betterAuth({
                ~~~~

[11:24:50 PM] Found 1 error. Watching for file changes.

I'm currently using the admin, organization, magicLink, passKey and twoFactor Plugins and a prisma adapter with postgres Is this known, can I fix this somehow? Thanks in advance!

3 Replies

bekacru•3w ago

my recommendation currently, disable declartion from tsconfig and use tsup or other bunder to generate the decalration file instead.

lambertOP•3w ago

tsup had the same problem, I "fixed" it with removing the passkey Plugin I don’t think it’s really the culprit, just that it’s type probably pushed it over the limit

bekacru•3w ago

It should probably be addressed on 1.2. You can try rc on better-auth@beta

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Creating declaration files results in too long type

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