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require-vercel-version-value

Require vercel.json to declare version: 2.

Targeted pattern scope​

  • Top-level version field in vercel.json.

What this rule reports​

This rule reports missing or non-2 version values.

Why this rule exists​

Vercel configuration behavior is versioned; pinning to the expected version keeps configuration semantics stable.

❌ Incorrect​

{
  "version": 1
}

✅ Correct​

{
  "version": 2
}

When not to use it​

Disable this rule if your repository intentionally uses a different Vercel config versioning strategy.

Rule catalog ID: R113

Further reading​