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flowmotion

•Created by flowmotion on 2/26/2025 in #questions

Create a TS function to deep call .toString() on all Date objects without type casting?

Hi, I was working on a function which should transform any instance of a specific object (for demo lets use the Date object) to a string. I wanted its signature to be like <T>(input: T) => Stringified<T> where Stringified<T> is the exact same type except the Date instaces are now string.

const withDate = {
  name: 'somelist'
  items: [
    {id: '1', createdAt: new Date()},
    {id: '2', createdAt: new Date()}
  ],
  createdAt: new Date()
}

const withDate = {
  name: 'somelist'
  items: [
    {id: '1', createdAt: new Date()},
    {id: '2', createdAt: new Date()}
  ],
  createdAt: new Date()
}

this would become:

const withStringDate = {
  name: 'somelist'
  items: [
    {id: '1', createdAt: '1.1.2025'},
    {id: '2', createdAt: '1.1.2025'}
  ],
  createdAt: '1.1.2025'
}

const withStringDate = {
  name: 'somelist'
  items: [
    {id: '1', createdAt: '1.1.2025'},
    {id: '2', createdAt: '1.1.2025'}
  ],
  createdAt: '1.1.2025'
}

I tried to do this, but all attempts i did, I had to use type casting with a seperate TS type to make sure it gave me the correct type. Is it possible to do this wihout casting and without using the any type?

3 replies

TTCTheo's Typesafe Cult

•Created by flowmotion on 12/30/2023 in #questions

Deploying t3 on netlify?

I read the documentation regarding netlify deployment, but it seems there might be something missing, because just seting up netlify as in the docs doesn't work. Wont I need to somehow create netlify serverless functions that run the trpc procedures?

4 replies

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