Skip to content

docs: Improve ctx.Locals method documentation#3033

Merged
ReneWerner87 merged 1 commit intov2from
godoc-ctx-locals
Jun 12, 2024
Merged

docs: Improve ctx.Locals method documentation#3033
ReneWerner87 merged 1 commit intov2from
godoc-ctx-locals

Conversation

@sixcolors
Copy link
Copy Markdown
Member

@sixcolors sixcolors commented Jun 11, 2024 •
edited
Loading

Description

Improve the ctx.Locals inlone godocs to clarify the behavior of stored variables and their lifecycle to avoid unintentional resource closures. Following #3030 this adds inline docs to ctx.go file.

Changes Introduced

  • Documentation Update:
    • Added a clarification that stored variables are removed after the request is handled.
    • Specified that if any stored data implements the io.Closer interface, its Close method will be called before it's removed.

Details

  • File Modified: ctx.go
  • Benchmark Impact: None
  • Documentation Updates: Improved clarity in the Locals method documentation.
  • Changelog Entries:
    • Clarified behavior of ctx.Locals regarding variable removal and io.Closer interface handling.
  • Migration Guide: Not applicable

These changes aim to prevent issues with unintentional resource closures, such as database connections, and enhance the clarity and safety of using ctx.Locals in fiber.

@coderabbitai
Copy link
Copy Markdown
Contributor

coderabbitai Bot commented Jun 11, 2024 •
edited
Loading

Walkthrough

The changes involve updating the comment for the Locals method in the Ctx struct within the ctx.go file. This comment now clarifies that all values are removed from the context after the top RequestHandler returns, and any value implementing io.Closer will have its Close method called before removal.

Changes

File Change Summary
ctx.go Updated the comment for the Locals method to explain the behavior of values in the context.

Poem

In the code where contexts dwell,
New comments now do tell,
Of values cleared with care so fine,
Each Closer calls its line.
In Ctx they come and go,
Like gentle streams they flow,
A tidy world, in code they shine.

Thank you for using CodeRabbit. We offer it for free to the OSS community and would appreciate your support in helping us grow. If you find it useful, would you consider giving us a shout-out on your favorite social media?

Share
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>.
    • 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 generate interesting stats about this repository and render them as a table.
    • @coderabbitai show all the console.log statements in this repository.
    • @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 as 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 resolve resolve all the CodeRabbit review comments.
  • @coderabbitai configuration to show the current CodeRabbit configuration for the repository.
  • @coderabbitai help to get help.

Additionally, you can add @coderabbitai ignore anywhere in the PR description to prevent this PR from being reviewed.

CodeRabbit Configration 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.

coderabbitai[bot]
coderabbitai Bot reviewed Jun 11, 2024
View reviewed changes
Copy link
Copy Markdown
Contributor

@coderabbitai coderabbitai Bot left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Actionable comments posted: 0

Outside diff range and nitpick comments (2)
ctx.go (2)

Line range hint 26-26: The imports github.com/gofiber/fiber/v2/internal/schema and github.com/gofiber/fiber/v2/utils are flagged by depguard as not allowed. Please verify if these imports are essential for the functionality, and if so, consider updating the depguard configuration to allow them.

Also applies to: 27-27

Line range hint 776-776: The variable i is assigned but then immediately reassigned without being used. This could lead to inefficient code. Consider removing or using the variable appropriately to avoid confusion and potential bugs.

- i, j = j+1, j+2
+ j += 2

Also applies to: 826-826

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 6c9510d and f7164c6.

Files selected for processing (1)
  • ctx.go (1 hunks)
Additional context used
golangci-lint
ctx.go

26-26: import 'github.com/gofiber/fiber/v2/internal/schema' is not allowed from list 'Main' (depguard)

27-27: import 'github.com/gofiber/fiber/v2/utils' is not allowed from list 'Main' (depguard)

776-776: assigned to i, but reassigned without using the value (wastedassign)

826-826: assigned to i, but reassigned without using the value (wastedassign)

Additional comments not posted (1)
ctx.go (1)

970-973: The updated documentation clearly explains the lifecycle of stored variables in the context and their handling via the io.Closer interface. This enhancement will help developers understand the behavior of the Locals method better, especially regarding resource management.

@sixcolors sixcolors added the v2 label Jun 11, 2024
@ReneWerner87 ReneWerner87 merged commit 232c0fa into v2 Jun 12, 2024
@efectn efectn deleted the godoc-ctx-locals branch June 28, 2024 22:16
thylong pushed a commit to thylong/fiber that referenced this pull request Dec 11, 2024
@sixcolors @thylong
docs: Improve ctx.Locals method documentation (gofiber#3033)
bac48d1
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Reviewers

@coderabbitai coderabbitai[bot] coderabbitai[bot] left review comments

@ReneWerner87 ReneWerner87 ReneWerner87 approved these changes

Assignees

No one assigned

Labels

📒 Documentation v2

Projects

None yet

Milestone

No milestone

Development

Successfully merging this pull request may close these issues.

2 participants

@sixcolors @ReneWerner87