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dwidge avatar dwidge commented on June 15, 2024

workaround

// ChatGPT

import z from "zod";

// Convert zod nullable types to optional types
export function convertNullableToOptional<T extends z.ZodRawShape>(
  schema: z.ZodObject<T>
): z.ZodObject<T> {
  const newShape: any = {};

  for (const key in schema.shape) {
    const field = schema.shape[key];

    if (field instanceof z.ZodNullable) {
      newShape[key] = field.unwrap();
      if (!(newShape[key] instanceof z.ZodArray))
        newShape[key] = newShape[key].optional();
      // .transform((x: any) => x ?? null);
    } else if (
      field instanceof z.ZodOptional &&
      field.unwrap() instanceof z.ZodNullable
    ) {
      newShape[key] = field.unwrap().unwrap();
      if (!(newShape[key] instanceof z.ZodArray))
        newShape[key] = newShape[key].optional();
      // .transform((x: any) => x ?? null);
    } else if (
      field instanceof z.ZodOptional &&
      field.unwrap() instanceof z.ZodArray
    ) {
      newShape[key] = field.unwrap();
    } else if (field instanceof z.ZodObject) {
      newShape[key] = convertNullableToOptional(field);
    } else {
      newShape[key] = field;
    }
  }

  return z.object(newShape) as z.ZodObject<T>;
}

problem

The transform() also causes unknown type error, so we can't return null, only undefined.

from uniforms.

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