T
tRPC

TS4111: Property 'error' comes from an index signature, so it must be accessed with ['error'].

TS4111: Property 'error' comes from an index signature, so it must be accessed with ['error'].

Ggoetzrobin
View on Discord
10/24/2023
I am trying to use trpc with AnalogJs, an Angular meta framework and Nx. We use the @nx/vite builder to build our application. While development works perfectly, I am running into the following errors when building the application: 
> nx run test:build:production

node_modules/@trpc/client/src/TRPCClientError.ts:42:18 - error TS4111: Property 'error' comes from an index signature, so it must be accessed with ['error'].

  40 |   return (
  41 |     isObject(obj) &&
> 42 |     isObject(obj.error) &&
     |                  ^
  43 |     typeof obj.error.code === 'number' &&
  44 |     typeof obj.error.message === 'string'
  45 |   );

...
> nx run test:build:production

node_modules/@trpc/client/src/TRPCClientError.ts:42:18 - error TS4111: Property 'error' comes from an index signature, so it must be accessed with ['error'].

  40 |   return (
  41 |     isObject(obj) &&
> 42 |     isObject(obj.error) &&
     |                  ^
  43 |     typeof obj.error.code === 'number' &&
  44 |     typeof obj.error.message === 'string'
  45 |   );

...
The issue stems from the @nx/vite builder analyzing the .ts files inside @trpc/client/src and @trpc/server/src folders of my node_modules. I was wondering why those src directories and the .ts files are included and if you are aware of any issues with React, Nx, and Vite? Thanks already!
Nnlucas
View on Discord
10/24/2023
Sounds like a project config issue, check your tsconfig is excluding node_modules and see if skipLibCheck is the cause. I believe the latter shouldn’t be a problem as they recommend that stays on I think
Ggoetzrobin
View on Discord
10/24/2023
From what I understand skipLibCheck works by checking .d.ts files, not .ts files. I will check my config and see why the .ts files from the node_modules are considered. Can you help me understand why they are included? I am just curious what the reason for that is Also, thanks for responding so quickly! And awesome work with tRPC! I am very excited to continue to use it
Nnlucas
View on Discord
10/24/2023
Not really sure what could be going on here, I'm not an expert in bundling and tooling Your node_modules should definitely not be having any .ts files checked, it smells like a tsconfig problem

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TS4111: Property 'error' comes from an index signature, so it must be accessed with ['error'].

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