Fix constructor key bug

deno/lib/__tests__/object.test.ts

@@ -293,3 +293,18 @@ test("intersection of object with refine with date", async () => {
   const result = await schema.parseAsync({ a: new Date(1637353595983) });
   expect(result).toEqual({ a: new Date(1637353595983) });
 });
+
+test("constructor key", () => {
+  const person = z
+    .object({
+      name: z.string(),
+    })
+    .strict();
+
+  expect(() =>
+    person.parse({
+      name: "bob dylan",
+      constructor: 61,
+    })
+  ).toThrow();
+});

deno/lib/types.ts

@@ -1499,7 +1499,7 @@ export class ZodObject<
 
     const { shape, keys: shapeKeys } = this._getCached();
     const dataKeys = util.objectKeys(ctx.data);
-    const extraKeys = dataKeys.filter((k) => !(k in shape));
+    const extraKeys = dataKeys.filter((k) => !shapeKeys.includes(k));
 
     const pairs: {
       key: ParseReturnType<any>;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "zod",
-  "version": "3.12.1",
+  "version": "3.12.2",
   "description": "TypeScript-first schema declaration and validation library with static type inference",
   "main": "./lib/index.js",
   "types": "./lib/index.d.ts",

src/__tests__/object.test.ts

@@ -292,3 +292,18 @@ test("intersection of object with refine with date", async () => {
   const result = await schema.parseAsync({ a: new Date(1637353595983) });
   expect(result).toEqual({ a: new Date(1637353595983) });
 });
+
+test("constructor key", () => {
+  const person = z
+    .object({
+      name: z.string(),
+    })
+    .strict();
+
+  expect(() =>
+    person.parse({
+      name: "bob dylan",
+      constructor: 61,
+    })
+  ).toThrow();
+});

src/types.ts

@@ -1499,7 +1499,7 @@ export class ZodObject<
 
     const { shape, keys: shapeKeys } = this._getCached();
     const dataKeys = util.objectKeys(ctx.data);
-    const extraKeys = dataKeys.filter((k) => !(k in shape));
+    const extraKeys = dataKeys.filter((k) => !shapeKeys.includes(k));
 
     const pairs: {
       key: ParseReturnType<any>;