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GitHub PR Review Comment & Suggestion Formatter

Compose professional code review comments with multi-line GitHub ```suggestion diff blocks, Conventional Comments badges, and collapsible benchmark details.

Comment Badge:

Severity:

Review Rationale & Heading

Comment Title / Subject

Summary & Feedback Message

Suggested Replacement Code (```suggestion)

Renders interactive 1-click "Commit Suggestion" on GitHub

Collapsible Deep-Dive / Benchmark Logs (Optional)

Details Summary Title

Hidden Collapsible Content

Markdown Review Comment PreviewReady for GitHub / GitLab Review Box

💡 **suggestion**
### Optimize Array Lookup with O(1) Set

We are performing `array.includes(item)` inside an inner loop over 10,000 records, creating an unintended O(N²) quadratic bottleneck. Converting this to a pre-allocated `Set` achieves O(1) lookup time.

```suggestion
// Before: array linear scan
// return items.filter((item) => excludedIds.includes(item.id));

// After: O(1) constant time set lookup
const excludedSet = new Set(excludedIds);
return items.filter((item) => !excludedSet.has(item.id));
```

<details>
<summary>Benchmark Analysis & Performance Profiling</summary>

Tested with 25,000 records on V8 Node runtime:
- `Array.includes`: 214ms execution time
- `Set.has`: 1.2ms execution time (178x speedup)

</details>

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Complete Guide & Overview

GitHub PR Review Comment & Suggestion Formatter

Write constructive, high-impact code review comments using GitHub's ```suggestion multi-line code diff blocks, Conventional Comments badges, and collapsible details.

How to Use the GitHub PR Review Comment & Suggestion Formatter

Input Content

Paste or compose your markdown or source data into the input editor.

Customize Settings

Select formatting options, syntax modes, or display options.

Copy or Download

Copy the processed output to your clipboard or download the generated file.

Key Features & Capabilities

GitHub Multi-Line Suggestion: Generates ```suggestion syntax allowing PR authors to apply fixes with a single click.

Conventional Comments Badges: Formats standard prefixes (suggestion, nitpick, issue, question, praise, thought).

Collapsible Details Accordion: Keep comments compact by tucking benchmarks and logs into <details><summary> tags.

Clear Non-Blocking Indicators: Clearly signal when a suggestion is optional vs blocking merge.

Frequently Asked Questions

How does GitHub ```suggestion work?

When you leave a review comment on a pull request diff and enclose replacement code in triple backticks with the `suggestion` language identifier, GitHub renders a side-by-side diff with a one-click 'Commit suggestion' button.

What are Conventional Comments?

Conventional Comments is a standardized formatting convention for code reviews that categorizes comments into `suggestion`, `nitpick`, `issue`, `question`, `praise`, or `thought`, establishing whether feedback is blocking or advisory.

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