Change ZodObject default to $strip. Set inst.shape in zod mini

Author: colinhacks

packages/zod/src/v4/classic/schemas.ts

@@ -1025,7 +1025,7 @@ export function keyof<T extends ZodObject>(schema: T): ZodLiteral<keyof T["_zod"
 export interface ZodObject<
   /** @ts-ignore Cast variance */
   out Shape extends core.$ZodShape = core.$ZodLooseShape,
-  out Config extends core.$ZodObjectConfig = core.$ZodObjectConfig,
+  out Config extends core.$ZodObjectConfig = core.$strip,
 > extends _ZodType<core.$ZodObjectInternals<Shape, Config>>,
     core.$ZodObject<Shape, Config> {
   shape: Shape;
@@ -1108,9 +1108,7 @@ export const ZodObject: core.$constructor<ZodObject> = /*@__PURE__*/ core.$const
   core.$ZodObject.init(inst, def);
   ZodType.init(inst, def);
 
-  util.defineLazy(inst, "shape", () => {
-    return Object.fromEntries(Object.entries(inst._zod.def.shape));
-  });
+  util.defineLazy(inst, "shape", () => def.shape);
   inst.keyof = () => _enum(Object.keys(inst._zod.def.shape)) as any;
   inst.catchall = (catchall) => inst.clone({ ...inst._zod.def, catchall: catchall as any as core.$ZodType }) as any;
   inst.passthrough = () => inst.clone({ ...inst._zod.def, catchall: unknown() });

packages/zod/src/v4/classic/tests/object.test.ts

@@ -433,13 +433,35 @@ test("passthrough index signature", () => {
 // });
 
 test("assignability", () => {
-  z.object({ a: z.string() }) satisfies z.ZodObject;
-  z.object({ a: z.string() }).catchall(z.number()) satisfies z.ZodObject;
+  z.object({ a: z.string() }) satisfies z.ZodObject<{ a: z.ZodString }>;
+  z.object({ a: z.string() }).catchall(z.number()) satisfies z.ZodObject<{ a: z.ZodString }>;
   z.object({ a: z.string() }).strict() satisfies z.ZodObject;
   z.object({}) satisfies z.ZodObject;
-  z.object({ "a?": z.string() }) satisfies z.ZodObject;
-  z.object({ "?a": z.string() }) satisfies z.ZodObject;
 
+  z.looseObject({ name: z.string() }) satisfies z.ZodObject<
+    {
+      name: z.ZodString;
+    },
+    z.core.$loose
+  >;
+  z.looseObject({ name: z.string() }) satisfies z.ZodObject<{
+    name: z.ZodString;
+  }>;
+  z.strictObject({ name: z.string() }) satisfies z.ZodObject<
+    {
+      name: z.ZodString;
+    },
+    z.core.$loose
+  >;
+  z.strictObject({ name: z.string() }) satisfies z.ZodObject<
+    {
+      name: z.ZodString;
+    },
+    z.core.$strict
+  >;
+  z.object({ name: z.string() }) satisfies z.ZodObject<{
+    name: z.ZodString;
+  }>;
   z.object({
     a: z.string(),
     b: z.number(),

packages/zod/src/v4/mini/schemas.ts

@@ -695,7 +695,7 @@ export function keyof<T extends ZodMiniObject>(schema: T): ZodMiniLiteral<keyof
 export interface ZodMiniObject<
   /** @ts-ignore Cast variance */
   out Shape extends core.$ZodShape = core.$ZodShape,
-  out Config extends core.$ZodObjectConfig = core.$ZodObjectConfig,
+  out Config extends core.$ZodObjectConfig = core.$strip,
 > extends ZodMiniType<any, any, core.$ZodObjectInternals<Shape, Config>>,
     core.$ZodObject<Shape, Config> {
   shape: Shape;
@@ -705,6 +705,7 @@ export const ZodMiniObject: core.$constructor<ZodMiniObject> = /*@__PURE__*/ cor
   (inst, def) => {
     core.$ZodObject.init(inst, def);
     ZodMiniType.init(inst, def);
+    util.defineLazy(inst, "shape", () => def.shape);
   }
 );
 export function object<T extends core.$ZodLooseShape = Record<never, SomeType>>(

play.ts

@@ -1,5 +1,3 @@
 import { z } from "zod/v4";
 
-z;
-
-console.dir(z.literal(Number.POSITIVE_INFINITY).parse(Number.POSITIVE_INFINITY), { depth: null });
+z.string().regex(/asdf/);