Fix formatting in diagnostic printer

[snelusha]

Purpose

$subject

Summary

This pull request improves the formatting of diagnostic output in the WASM diagnostic printer. The change refines how source lines are rendered by adjusting the line-number separator formatting to include explicit reset codes and proper spacing around the separator marker. This enhancement improves the visual presentation and clarity of diagnostic messages displayed to users.

Files Changed:

• packages/wasm/diagnostic_printer.go: Formatting improvements to source snippet rendering

Impact: Minimal, low-effort change that enhances diagnostic output presentation without affecting diagnostic selection or highlighting logic.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: cd2e358e-9be1-4606-9e1c-05d556dd40f3

📥 Commits

Reviewing files that changed from the base of the PR and between 070fa4b and 09ae638.

📒 Files selected for processing (1)

• packages/wasm/diagnostic_printer.go

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📝 Walkthrough

Walkthrough

The printSourceSnippet function in the diagnostic printer was updated to adjust terminal output formatting. The line-number and separator rendering now explicitly includes color reset codes and adjusted spacing around the pipe separator character.

Changes

Diagnostic Output Formatting

Layer / File(s)	Summary
Display Formatting packages/wasm/diagnostic_printer.go	Line 169 updated to include s.cyan before the separator, explicit s.reset after it, and revised spacing around | for improved terminal output rendering.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• Fix multi-line diagnostic snippet #26: Modifies the same printSourceSnippet function to change how source lines and their formatting are rendered.
• Fix diagnostic snippet source path resolution #19: Updates the same printSourceSnippet function in diagnostic_printer.go; while this PR focuses on line-number/separator rendering, that PR addresses snippet file path resolution and reading.

Suggested reviewers

• warunalakshitha

Poem

🐰 A little tweak, so neat and small,
Colors reset, spaces stand tall,
The | now breathes with room to spare,
Terminal output, freshly fair! ✨

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description is incomplete and off-topic. It only contains a placeholder '$subject' in the Purpose section and is missing all other required sections from the template.	Complete the PR description by filling in all required template sections: Goals, Approach, User stories, Release note, Documentation, Training, Certification, Marketing, Automation tests, Security checks, Samples, Related PRs, Migrations, Test environment, and Learning.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly describes the main change: a formatting fix in the diagnostic printer component.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

Warning

There were issues while running some tools. Please review the errors and either fix the tool's configuration or disable the tool if it's a critical failure.

🔧 golangci-lint (2.11.4)

level=error msg="[linters_context] typechecking error: pattern ./...: directory prefix . does not contain main module or its selected dependencies"

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[warunalakshitha]

LGTM