diff --git a/packages/next/next-server/server/api-utils.ts b/packages/next/next-server/server/api-utils.ts index 17c3332bcb83..340d4babd71f 100644 --- a/packages/next/next-server/server/api-utils.ts +++ b/packages/next/next-server/server/api-utils.ts @@ -414,13 +414,19 @@ function clearPreviewData(res: NextApiResponse): NextApiResponse { ? previous : []), serialize(COOKIE_NAME_PRERENDER_BYPASS, '', { - maxAge: 0, + // To delete a cookie, set `expires` to a date in the past: + // https://tools.ietf.org/html/rfc6265#section-4.1.1 + // `Max-Age: 0` is not valid, thus ignored, and the cookie is persisted. + expires: new Date(0), httpOnly: true, sameSite: 'strict', path: '/', }), serialize(COOKIE_NAME_PRERENDER_DATA, '', { - maxAge: 0, + // To delete a cookie, set `expires` to a date in the past: + // https://tools.ietf.org/html/rfc6265#section-4.1.1 + // `Max-Age: 0` is not valid, thus ignored, and the cookie is persisted. + expires: new Date(0), httpOnly: true, sameSite: 'strict', path: '/', diff --git a/test/integration/prerender-preview/test/index.test.js b/test/integration/prerender-preview/test/index.test.js index 120be2cef3c5..c7f7058d0255 100644 --- a/test/integration/prerender-preview/test/index.test.js +++ b/test/integration/prerender-preview/test/index.test.js @@ -106,6 +106,7 @@ function runTests() { const cookies = res.headers .get('set-cookie') + .replace(/(=\w{3}),/g, '$1') .split(',') .map(cookie.parse) @@ -113,15 +114,17 @@ function runTests() { expect(cookies[0]).toMatchObject({ Path: '/', SameSite: 'Strict', - 'Max-Age': '0', + Expires: 'Thu 01 Jan 1970 00:00:00 GMT', }) expect(cookies[0]).toHaveProperty('__prerender_bypass') + expect(cookies[0]).not.toHaveProperty('Max-Age') expect(cookies[1]).toMatchObject({ Path: '/', SameSite: 'Strict', - 'Max-Age': '0', + Expires: 'Thu 01 Jan 1970 00:00:00 GMT', }) expect(cookies[1]).toHaveProperty('__next_preview_data') + expect(cookies[1]).not.toHaveProperty('Max-Age') }) /** @type import('next-webdriver').Chain */