import type { z } from 'zod'; expect.extend({ toMatchZod(this: jest.MatcherContext, actual: z.ZodTypeAny, expected: z.ZodTypeAny) { const actualSerialized = JSON.stringify(actual._def, null, 2); const expectedSerialized = JSON.stringify(expected._def, null, 2); const pass = this.equals(actualSerialized, expectedSerialized); return { pass, message: pass ? () => `Expected ${actualSerialized} not to match ${expectedSerialized}` : () => `Expected ${actualSerialized} to match ${expectedSerialized}`, }; }, });