naz6352 Comments - Answer Overflow

naz6352

•Created by Mir on 5/13/2023 in #questions

Zod conditional required/optional validation

I used to do it via .refine too but then I discovered that if you do it this way the type of z.infer<typeof schema> is

{
  type: "video";
  otherNonMatchingKey: File;
  video: File;
} | {
  type: "image";
  folder: File;
  otherNonMatchingKey: File;
}

{
  type: "video";
  otherNonMatchingKey: File;
  video: File;
} | {
  type: "image";
  folder: File;
  otherNonMatchingKey: File;
}

which is very nice 🙂

29 replies

TTCTheo's Typesafe Cult

•Created by Mir on 5/13/2023 in #questions

Zod conditional required/optional validation

And to include otherNonMatchingKey I've done it before via this sort of pattern

const BaseSchema = z.object({ otherNonMatchingKey: z.custom<File>() })

const VideoSchema = z
  .object({ type: z.literal('video'), video: z.custom<File>() })
  .merge(BaseSchema);

const ImageSchema = z
  .object({ type: z.literal('image'), folder: z.custom<File>() })
  .merge(BaseSchema);

const schema = z.discriminatedUnion('type', [
  VideoSchema,
  ImageSchema,
]);

const BaseSchema = z.object({ otherNonMatchingKey: z.custom<File>() })

const VideoSchema = z
  .object({ type: z.literal('video'), video: z.custom<File>() })
  .merge(BaseSchema);

const ImageSchema = z
  .object({ type: z.literal('image'), folder: z.custom<File>() })
  .merge(BaseSchema);

const schema = z.discriminatedUnion('type', [
  VideoSchema,
  ImageSchema,
]);

29 replies

TTCTheo's Typesafe Cult

•Created by Mir on 5/13/2023 in #questions

Zod conditional required/optional validation

There is also z.discriminatedUnion https://zod.dev/?id=discriminated-unions So you could do something like

const schema = z.discriminatedUnion("type", [
  z.object({ type: z.literal("image"), image: z.custom<File>() }),
  z.object({ type: z.literal("video"), video: z.custom<File>() }),
]);

const schema = z.discriminatedUnion("type", [
  z.object({ type: z.literal("image"), image: z.custom<File>() }),
  z.object({ type: z.literal("video"), video: z.custom<File>() }),
]);

29 replies

TTCTheo's Typesafe Cult

•Created by Froxx on 2/9/2023 in #questions

Clean definition of models using Zod schemas

The way that I handled ids was to make this:

const withId = z.object({ id: z.string().cuid() });

const withId = z.object({ id: z.string().cuid() });

And then attach it to anything that needs an id

const BaseThing = z.object({
  property: z.string(),
});

const GetThing = BaseThing.merge(withId);

const BaseThing = z.object({
  property: z.string(),
});

const GetThing = BaseThing.merge(withId);

I did something similar with updatedAt / createdAt timestamps, which ended up being very helpful when I changed them from z.date() to z.coerce.date() once that feature came out, didn't have to change it in a dozen places. As for your problem with refines, it is possible to add a ZodEffect as a property in a ZodObject, if that helps you solve some of the issue.

const RefinedThing = BaseThing.refine(...);
const OtherThing = z.object({
  property: RefinedThing
});

const RefinedThing = BaseThing.refine(...);
const OtherThing = z.object({
  property: RefinedThing
});

6 replies

TTCTheo's Typesafe Cult

•Created by nexxel on 11/21/2022 in #questions

jwt vs cookies in next-auth

Found the blog with that flowchart on the prisma-session-store readme if you want to read the rest of it (there's a couple other links mentioned in the readme that are pretty good reads too) https://github.com/kleydon/prisma-session-store

151 replies

TTCTheo's Typesafe Cult

•Created by nexxel on 11/21/2022 in #questions

jwt vs cookies in next-auth

A bit late to the party but I found this cool flowchart that describes some problems with using JWT for sessions http://cryto.net/~joepie91/blog/attachments/jwt-flowchart.png

151 replies

TTCTheo's Typesafe Cult

•Created by zenith on 10/18/2022 in #questions

Stack suggestion - DB platform for a larger number of smaller projects

You can only have a single project on the free plan, if you want more you need the scaler plan and it's $30/mo per

25 replies

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