Merge pull request #4413 from avanderbergh/avanderbergh/issue4157

packages/example/src/Root.tsx

@@ -1268,6 +1268,7 @@ export const Index: React.FC = () => {
 							{type: 'a' as const, a: {a: 'hi'}},
 							{type: 'b' as const, b: {b: 'hi'}},
 						],
+						discriminatedUnion: {type: 'auto'},
 					}}
 				/>
 				{/**

packages/example/src/SchemaTest/index.tsx

@@ -22,6 +22,15 @@ export const schemaTestSchema = z.object({
 			}),
 		]),
 	),
+	discriminatedUnion: z.discriminatedUnion('type', [
+		z.object({
+			type: z.literal('auto'),
+		}),
+		z.object({
+			type: z.literal('fixed'),
+			value: z.number().min(1080),
+		}),
+	]),
 });
 
 export const schemaArrayTestSchema = z.array(z.number());

packages/studio/src/components/RenderModal/SchemaEditor/create-zod-values.ts

@@ -16,8 +16,20 @@ export const createZodValues = (
 	switch (typeName) {
 		case zodRuntime.ZodFirstPartyTypeKind.ZodString:
 			return '';
-		case zodRuntime.ZodFirstPartyTypeKind.ZodNumber:
+		case zodRuntime.ZodFirstPartyTypeKind.ZodNumber: {
+			for (const check of (def as z.ZodNumberDef).checks) {
+				if (check.kind === 'min') {
+					return check.value;
+				}
+
+				if (check.kind === 'max' && check.value < 0) {
+					return check.value;
+				}
+			}
+
 			return 0;
+		}
+
 		case zodRuntime.ZodFirstPartyTypeKind.ZodBigInt:
 			return BigInt(0);
 		case zodRuntime.ZodFirstPartyTypeKind.ZodBoolean: