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@kotkoroid kotkoroid commented Apr 3, 2025

A JWT validator was introduced in Zod 3.24, but this change has not yet been reflected in the documentation. This pull request aims to rectify that by incorporating the release notes and adding a note that the JWT must include a type claim in the protected header for it to be successfully validated.

Summary by CodeRabbit

  • Documentation
    • Introduced a new section detailing JSON Web Tokens and how to validate their format.
    • Updated the table of contents to include this new JWT section.
    • Provided a clear example demonstrating how to apply specific algorithm constraints.
    • Made minor formatting improvements for enhanced readability.

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coderabbitai bot commented Apr 3, 2025

Walkthrough

The documentation has been updated to include a new section on JSON Web Tokens (JWTs) in the README file. A new method, z.string().jwt(), is introduced with a detailed explanation about validating JWT strings—checking for the correct 3-part format and demonstrating how to constrain the token to a specific algorithm such as RS256. Additionally, some minor formatting adjustments (e.g., removal of extra spaces and line breaks) have been applied.

Changes

File Summary
README.md • Added a new JWT section with an entry in the Table of Contents
• Introduced the z.string().jwt() method with usage examples and algorithm constraints
• Applied minor formatting fixes (extra space removals and line break adjustments)

Poem

In the field of docs, I hop along,
Spreading tokens where they belong,
A sparkling method now in view,
With JWT magic shining through,
I, a happy rabbit, sing this song!


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Actionable comments posted: 0

🧹 Nitpick comments (1)
README.md (1)

1012-1019: Documentation Update: JWT String Validator

The new JWT section clearly explains the addition of the z.string().jwt() method introduced in Zod 3.24. It effectively details that this method validates the format of a 3-part JWT and notes that it does not perform cryptographic verification. The provided example showing how to constrain the JWT to a specific algorithm (e.g., RS256) is clear and valuable.

A couple of minor suggestions:

  • Clarify the required claim: Consider specifying that the JWT’s protected header is expected to include a “typ” (type) claim. For example, update the sentence to:
    "The z.string().jwt() method validates that the string is a valid 3-part JWT. The JWT must contain a typ claim in its protected header."
    This change may reduce ambiguity for readers.

  • Grammar nitpick: On line 1015, the phrase
    "It merely ensures its in the proper format."
    should be corrected to
    "It merely ensures it's in the proper format."
    to improve clarity.
    Here’s a suggested diff:

    - This does not verify your JWT cryptographically! It merely ensures its in the proper format.
    + This does not verify your JWT cryptographically! It merely ensures it's in the proper format.
🧰 Tools
🪛 LanguageTool

[uncategorized] ~1018-~1018: “its” (belonging to it) seems less likely than “it’s” (it is)
Context: ...WT cryptographically! It merely ensures its in the proper format. Use a library lik...

(AI_HYDRA_LEO_CPT_ITS_ITIS)

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Reviewing files that changed from the base of the PR and between 91dcd30 and 6783fd5.

📒 Files selected for processing (1)
  • README.md (10 hunks)
🧰 Additional context used
🪛 LanguageTool
README.md

[uncategorized] ~1018-~1018: “its” (belonging to it) seems less likely than “it’s” (it is)
Context: ...WT cryptographically! It merely ensures its in the proper format. Use a library lik...

(AI_HYDRA_LEO_CPT_ITS_ITIS)

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Deployment failed with the following error:

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