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## What This fix serves to address issues where multiple `Set-Cookie` headers were combined in some runtimes. ## Why This is because `set-cookie` behaves differently than other headers in some cases. Eg. when iterating on a `Headers` instance, multiple set-cookie headers are folded. To set them correctly, we need to split them. But it'd not be enough to naively split on the first occurrence, because `,` is a valid cookie value when for example it's used in `Expires` in a date string. So we use a method to correctly detect where to split the cookie. This should fix all runtimes. Note, the spec now has `Headers#getSetCookie` which should be preferred if it's present. https://github.com/whatwg/fetch/pull/1346. We are using the [`edge-runtime`](https://github.com/vercel/edge-runtime), so this should be fixed upstream and then reused in Next.js in the future. ## How Wherever we can, we reuse the `fromNodeHeaders` and `toNodeHeaders` methods that have the correct implementation. This should be preferred in the future in other parts of the codebase. We fixed some related TS issues as well. Fixes #46579, supersedes #40579 fix NEXT-735 ([link](https://linear.app/vercel/issue/NEXT-735)) --------- Co-authored-by: Balázs Orbán <info@balazsorban.com> |
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| .stats-app | ||
| __mocks__ | ||
| development | ||
| e2e | ||
| examples | ||
| integration | ||
| lib | ||
| production | ||
| unit | ||
| .gitignore | ||
| jest-setup-after-env.ts | ||
| jest.d.ts | ||
| readme.md | ||
| test-file.txt | ||