refactor: rely on assertLuxonFormat to validate dateFormat

[brianrodri]

Summary by CodeRabbit

• Refactor
  • Streamlined date validation logic for more consistent processing.
  • Improved error message clarity to provide better user feedback.
  • Enhanced internal naming for greater clarity and maintainability.

[coderabbitai]

Walkthrough

The changes update two modules. In the periodic notes module, the code refactors validation logic by replacing multiple checks with a single call to assertLuxonFormat and adjusting error message handling by renaming a variable. In the Luxon utilities module, the assertLuxonFormat function is modified to use clearer parameter names and internal variables, switching to a UTC-based date source and updating assertions to validate date format consistency.

Changes

Files	Change Summary
src/model/.../periodic-notes.ts	Removed unused isEmpty import; added assertLuxonFormat import; streamlined validation logic; renamed error variable from indentedErrors to indentedMessages.
src/util/luxon-utils.ts	Renamed parameter from format to dateFormat; replaced internal variable date with sourceDate (using DateTime.fromMillis(0).setZone("utc")); renamed dateParsed to parsedDate; updated assertions and formatting logic.

Sequence Diagram(s)

sequenceDiagram
    participant V as Validated Function
    participant L as assertLuxonFormat
    participant E as Error Handler

    V->>L: Call assertLuxonFormat(dateFormat, dateOptions)
    L-->>V: Return formatted date/check result
    alt Validation Fails
        V->>E: Format and collect error messages
        E-->>V: Aggregate error messages
        V->>V: Throw AggregateError with errors
    else Validation Succeeds
        V->>V: Proceed with normal execution
    end

Loading

Poem

I’m a rabbit in the code burrow,
Hopping through refactors with a joyful glow.
Assertions streamlined, errors now refined,
Each line of change leaves a happy sign.
In the meadow of code, my smile will forever flow.

---

📜 Recent review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between ce78d33 and f199ae3.

⛔ Files ignored due to path filters (1)

• src/model/collection/__tests__/__snapshots__/periodic-notes.test.ts.snap is excluded by !**/*.snap

📒 Files selected for processing (2)

• src/model/collection/periodic-notes.ts (2 hunks)
• src/util/luxon-utils.ts (1 hunks)

🔇 Additional comments (8)

src/util/luxon-utils.ts (4)

29-29: Parameter name improvement

The parameter name dateFormat is more descriptive than the previous format name, better communicating that this parameter specifically handles date formatting patterns.

---

33-36: Parameter name alignment with function context

The updated parameter name dateFormat in the function signature aligns with the variable naming throughout the codebase and clearly conveys its purpose, which is to specify a Luxon date format pattern.

---

37-39: Improved date initialization with explicit UTC handling

Using DateTime.fromMillis(0).setZone("utc") is a more robust solution than a hardcoded ISO date string. This approach:

1. Uses the Unix epoch (0 milliseconds) as a consistent reference point
2. Explicitly sets the timezone to UTC to avoid any system timezone issues
3. Improves code clarity with a descriptive comment

The variable renaming from date to sourceDate also better reflects its role in the validation process.

---

40-43: Improved variable naming and validation logic

Renaming dateParsed to parsedDate follows a more natural English order. The assertion logic now more clearly validates that:

1. The parsed date is valid
2. The format correctly round-trips (formats and then parses) without data loss

This maintains the same validation strength while being more readable.

src/model/collection/periodic-notes.ts (4)

2-2: Imports cleanup

Good removal of the unused isEmpty import from lodash, leaving only the necessary imports attempt and isError.

---

6-6: Import organization improvement

Adding assertLuxonFormat to the imports supports the code refactoring where multiple validation checks are replaced with a single function call.

---

118-118: Simplified validation with specialized function

Replacing multiple assertions with a single call to assertLuxonFormat increases code maintainability and reduces duplication. This change properly delegates the responsibility of format validation to a specialized utility function.

---

125-126: Improved variable naming for error handling

Renaming indentedErrors to indentedMessages better reflects that we're working with error messages rather than the error objects themselves. The functionality remains the same, but the naming is now more precise.

✨ Finishing Touches

• 📝 Generate Docstrings

---

🪧 Tips

Chat

There are 3 ways to chat with CodeRabbit:

• Review comments: Directly reply to a review comment made by CodeRabbit. Example:
  • I pushed a fix in commit <commit_id>, please review it.
  • Generate unit testing code for this file.
  • Open a follow-up GitHub issue for this discussion.
• Files and specific lines of code (under the "Files changed" tab): Tag @coderabbitai in a new review comment at the desired location with your query. Examples:
  • @coderabbitai generate unit testing code for this file.
  • @coderabbitai modularize this function.
• PR comments: Tag @coderabbitai in a new PR comment to ask questions about the PR branch. For the best results, please provide a very specific query, as very limited context is provided in this mode. Examples:
  • @coderabbitai gather interesting stats about this repository and render them as a table. Additionally, render a pie chart showing the language distribution in the codebase.
  • @coderabbitai read src/utils.ts and generate unit testing code.
  • @coderabbitai read the files in the src/scheduler package and generate a class diagram using mermaid and a README in the markdown format.
  • @coderabbitai help me debug CodeRabbit configuration file.

Note: Be mindful of the bot's finite context window. It's strongly recommended to break down tasks such as reading entire modules into smaller chunks. For a focused discussion, use review comments to chat about specific files and their changes, instead of using the PR comments.

CodeRabbit Commands (Invoked using PR comments)

• @coderabbitai pause to pause the reviews on a PR.
• @coderabbitai resume to resume the paused reviews.
• @coderabbitai review to trigger an incremental review. This is useful when automatic reviews are disabled for the repository.
• @coderabbitai full review to do a full review from scratch and review all the files again.
• @coderabbitai summary to regenerate the summary of the PR.
• @coderabbitai generate docstrings to generate docstrings for this PR.
• @coderabbitai resolve resolve all the CodeRabbit review comments.
• @coderabbitai configuration to show the current CodeRabbit configuration for the repository.
• @coderabbitai help to get help.

Other keywords and placeholders

• Add @coderabbitai ignore anywhere in the PR description to prevent this PR from being reviewed.
• Add @coderabbitai summary to generate the high-level summary at a specific location in the PR description.
• Add @coderabbitai anywhere in the PR title to generate the title automatically.

CodeRabbit Configuration File (.coderabbit.yaml)

• You can programmatically configure CodeRabbit by adding a .coderabbit.yaml file to the root of your repository.
• Please see the configuration documentation for more information.
• If your editor has YAML language server enabled, you can add the path at the top of this file to enable auto-completion and validation: # yaml-language-server: $schema=https://coderabbit.ai/integrations/schema.v2.json

Documentation and Community

• Visit our Documentation for detailed information on how to use CodeRabbit.
• Join our Discord Community to get help, request features, and share feedback.
• Follow us on X/Twitter for updates and announcements.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (ce78d33) to head (f199ae3).

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #54   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           14        14           
  Lines          258       253    -5     
  Branches        59        59           
=========================================
- Hits           258       253    -5     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.