Handle ZodCatch which throws

Author: matejchalk

src/converter/convert-schemas.spec.ts

@@ -350,7 +350,19 @@ describe('convert exported Zod schemas to models', () => {
   });
 
   it('should support the ZodCatch type', () => {
-    const permissiveUrlSchema = z.string().url().catch('');
+    const permissiveUrlSchema = z
+      .string()
+      .url()
+      .catch(ctx => {
+        if (
+          ctx.error.errors.length === 1 &&
+          ctx.error.errors[0]?.code === 'invalid_string' &&
+          ctx.error.errors[0].validation === 'url'
+        ) {
+          return '';
+        }
+        throw ctx.error;
+      });
 
     expect(
       convertSchemas([
@@ -366,8 +378,6 @@ describe('convert exported Zod schemas to models', () => {
         path: 'utils.ts',
         type: 'string',
         validations: ['url'],
-        nullable: true,
-        optional: true,
       },
     ]);
   });

src/converter/convert-schemas.ts

@@ -138,10 +138,18 @@ function schemaToMeta(
   schema: ZodType<unknown>,
   implicitOptional?: boolean
 ): Omit<ModelMeta, 'default'> {
+  const safeCheck = (is: () => boolean) => {
+    try {
+      return is();
+    } catch {
+      return false;
+    }
+  };
   return {
     ...(schema.description && { description: schema.description }),
-    ...(!implicitOptional && schema.isOptional() && { optional: true }),
-    ...(schema.isNullable() && { nullable: true }),
+    ...(!implicitOptional &&
+      safeCheck(schema.isOptional) && { optional: true }),
+    ...(safeCheck(schema.isNullable) && { nullable: true }),
   };
 }