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Allow removing default headers #826

Open
vercel/schemas
#89
Open
Allow removing default headers#826
vercel/schemas
#89

Description

@jakearchibald
jakearchibald
opened on Sep 2, 2025

Description

I think this is a regression, as it was added in vercel/serve-handler#45, and there appears to be tests for it.

If I try to launch serve with the following config:

{
  "headers": [
    {
      "source": "**/*.*",
      "headers": [
        {
          "key": "Content-Disposition",
          "value": null
        }
      ]
    }
  ]
}

It fails with:

ERROR  The configuration you provided is invalid:
must be string
{"type":"string"}

Library version

14.2.4

Node version

v22.18.0

Activity

  1. jakearchibald
    marked Allow removing default headers serve-handler#224 as a duplicate of this issue on Sep 2, 2025

  2. jakearchibald commented on Sep 2, 2025

    @jakearchibald
    jakearchibald
    on Sep 2, 2025
    Author

    https://github.com/vercel/schemas/blob/f78f1110a2c2d06d8ecc05999a8cd3fccd06670b/deployment/config-static.js#L49 here's the issue. I'm not sure what the format is, but that needs to allow null.

  3. jakearchibald
    added a commit that references this issue on Sep 2, 2025

    Allow header values to be nullable

    3b0f4ac

  4. jakearchibald commented on Sep 2, 2025

    @jakearchibald
    jakearchibald
    on Sep 2, 2025
    Author

    PR vercel/schemas#89

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