✨ Render markdown with mermaid graph #4
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Sequence Diagram(s)sequenceDiagram
participant User
participant PostBody
participant BodyMarkdown
participant BodyMermaid
User->>PostBody: Provide content
PostBody->>BodyMarkdown: Render markdown content
PostBody->>BodyMermaid: Render mermaid diagrams
BodyMarkdown-->>PostBody: Return HTML
BodyMermaid-->>PostBody: Return rendered diagram
PostBody-->>User: Display combined content
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Actionable comments posted: 5
🧹 Outside diff range and nitpick comments (10)
src/lib/markdown-to-html.ts (1)
7-8: LGTM! Consider adding error handling.The changes to enable
remarkGfmandremarkHtmlplugins are appropriate and align with the PR objectives. These additions will enhance the markdown parsing capabilities, particularly for GitHub Flavored Markdown features, which is beneficial for rendering mermaid graphs.Consider adding error handling to make the function more robust:
export default async function markdownToHtml(markdown: string) { - const result = await remark() - .use(remarkGfm) - .use(remarkHtml) - .process(markdown); - - return result.toString(); + try { + const result = await remark() + .use(remarkGfm) + .use(remarkHtml) + .process(markdown); + + return result.toString(); + } catch (error) { + console.error('Error processing markdown:', error); + throw new Error('Failed to process markdown'); + } }This change will help catch and log any errors that occur during markdown processing, making it easier to debug issues in the future.
src/app/_components/markdown-styles.module.css (2)
30-33: LGTM! Consider using Tailwind classes for consistency.The addition of styles for unordered lists is a good improvement. It enhances the readability and visual structure of the markdown content. However, to maintain consistency with the rest of the file, consider using Tailwind classes instead of raw CSS properties.
Here's a suggested refactor using Tailwind classes:
.markdown ul { - list-style: disc; - margin-left: 32px; + @apply list-disc ml-8; }This change uses the
list-discutility for the bullet style andml-8for the left margin (which is equivalent to 32px in Tailwind's default scale).
35-35: Remove unnecessary empty lines at the end of the file.There are unnecessary empty lines at the end of the file. It's a good practice to end files with a single newline character.
Consider removing the extra empty lines to keep the file clean and consistent.
src/app/_components/body-mermaid.tsx (1)
7-9: Add a comment to explain the 'graph' prop.While the type definition is correct, it would be helpful to add a comment explaining the expected format of the 'graph' string. This can improve code readability and make it easier for other developers to use the component correctly.
Consider adding a comment like this:
type Props = { /** A string containing the Mermaid diagram definition */ graph: string; };src/app/_components/body-markdown.tsx (1)
13-17: LGTM with a minor optimization suggestion.The useEffect hook is implemented correctly, ensuring that the Markdown is converted to HTML whenever the content changes.
Consider memoizing the
markdownToHtmlfunction call to optimize performance, especially if the content doesn't change frequently:const memoizedHtml = useMemo(() => markdownToHtml(content), [content]); useEffect(() => { memoizedHtml.then(setHtml); }, [memoizedHtml]);This approach can help reduce unnecessary re-renders and improve performance.
_posts/2024-08-29-DDD-1.md (5)
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2-9: Consider adding an excerpt for better SEO and preview.The title update to "Domain-Driven Design 1" is good, as it suggests this might be part of a series. However, the excerpt is currently empty. Consider adding a brief description (1-2 sentences) of the article's content in the excerpt field to improve SEO and provide a preview for readers.
Example:
excerpt: "An introduction to Domain-Driven Design (DDD) and its place among software design approaches. Learn about DDD's core concepts and when to apply them."
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11-72: Great structure, consider completing placeholder sections.The content is well-organized with a logical flow from general software design approaches to specific DDD concepts. The inclusion of the "You may not need DDD" section provides a balanced perspective.
However, some sections appear to be placeholders or incomplete:
- "DDD 's value"
- "Key Concepts"
- "How DDD domain-driven design can be engineered to the ground?"
- "How I practice in my time-travel-quiz-game product?"
Consider expanding these sections to provide more value to the reader and complete the article.
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11-72: Consider enhancing explanations and providing examples.The content provides a good overview of different software design approaches and DDD. To further improve clarity and depth:
In the "Data-driven design" section, consider providing a brief example of a "simple small system" where this approach is sufficient.
In the "Domain-driven design" section, the statement "Makes that domain model decoupled from the data model" could benefit from a brief explanation of why this decoupling is important.
In the "You may not need DDD" section, consider providing specific criteria or examples of when software might be considered "simple and small" enough to not require DDD.
The question "What's the mean of software complexity?" contains a grammatical error. Consider rephrasing to "What does software complexity mean?" or "How is software complexity defined?"
These enhancements would provide readers with a more comprehensive understanding of the concepts presented.
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11-72: Good use of Markdown, with room for minor enhancements.The Markdown syntax is well-applied throughout the document. Here are some suggestions for further improvement:
Consider using consistent emphasis for key terms. For example,
simple small systemsandthe design of complex systemsuse backticks, while other terms like "business domain" and "domain model" could also benefit from this emphasis.The alt text for the image ("/blog/assets/ddd-complexity-of-domain-logic.png") could be more descriptive. Instead of "alt text", consider describing what the image shows, e.g., "Graph showing the relationship between domain logic complexity and the need for a domain model".
For the Mermaid diagram, consider adding a caption or description below it to explain its significance in the context of the article.
These small changes can enhance readability and accessibility of the document.
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13-17: Enhance context and explanation for diagrams.The inclusion of visual aids (Mermaid graph and image) is excellent for illustrating concepts. To maximize their effectiveness:
For the Mermaid graph:
- Consider adding a brief explanation or caption below the graph to explain its significance.
- You might want to expand on why there's a progression from Deadline-driven to Data-driven to Domain-driven design.
For the image "/blog/assets/ddd-complexity-of-domain-logic.png":
- Add a caption or brief explanation of what the image represents and how it relates to the concept of domain models in DDD.
- Ensure the image is properly referenced or discussed in the surrounding text.
These additions will help readers better understand the purpose and relevance of these visual elements in the context of your article.
Also applies to: 70-72
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📒 Files selected for processing (7)
- _posts/2024-08-29-DDD-1.md (1 hunks)
- src/app/_components/body-markdown.tsx (1 hunks)
- src/app/_components/body-mermaid.tsx (1 hunks)
- src/app/_components/markdown-styles.module.css (1 hunks)
- src/app/_components/mermaid-styles.module.css (1 hunks)
- src/app/_components/post-body.tsx (1 hunks)
- src/lib/markdown-to-html.ts (1 hunks)
✅ Files skipped from review due to trivial changes (1)
- src/app/_components/mermaid-styles.module.css
🧰 Additional context used
🪛 Biome
src/app/_components/body-markdown.tsx
[error] 22-22: Avoid passing content using the dangerouslySetInnerHTML prop.
Setting content using code can expose users to cross-site scripting (XSS) attacks
(lint/security/noDangerouslySetInnerHtml)
🔇 Additional comments (6)
src/app/_components/post-body.tsx (2)
2-3: Excellent separation of concerns with new component imports.The introduction of
BodyMarkdownandBodyMermaidcomponents demonstrates a good separation of concerns. This approach enhances modularity and makes the codebase more maintainable. The use of path aliases (starting with "@") in the import statements is also a good practice for keeping imports clean and readable.
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1-22: Overall positive changes with room for refinement.The refactoring of the
PostBodycomponent represents a significant improvement in code organization and separation of concerns. The introduction of specialized components for Markdown and Mermaid content enhances modularity and maintainability.While the current implementation is functional, there are opportunities for further refinement:
- Improving the accuracy of Mermaid graph detection.
- Implementing a more robust parsing strategy for mixed content.
- Addressing potential issues with nested code blocks and preserving formatting.
These refinements would elevate the component's reliability and flexibility in handling various content scenarios.
Despite the suggested improvements, the overall direction of these changes is positive and aligns well with React best practices.
src/app/_components/body-mermaid.tsx (1)
11-25: Overall implementation looks good.The component logic is well-structured and uses React hooks appropriately. The use of
useRefanduseEffectto manage the mermaid diagram rendering is a good approach.src/app/_components/body-markdown.tsx (2)
1-9: LGTM: Imports and type definition are well-structured.The "use client" directive, imports, and Props type definition are correctly implemented and appropriate for the component's functionality.
11-12: LGTM: Component declaration and state initialization are correct.The component is properly exported, and the state initialization using useState is appropriate for managing the HTML content.
_posts/2024-08-29-DDD-1.md (1)
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1-72: Overall, excellent improvements with minor suggestions for enhancement.This update to the Domain-Driven Design article represents a significant improvement. The content now provides a comprehensive overview of different software design approaches, leading into a focused discussion on DDD. The logical structure and flow of information make the complex topic more accessible to readers.
Key strengths:
- Clear progression from general software design approaches to DDD specifics.
- Inclusion of balanced perspectives (e.g., "You may not need DDD" section).
- Use of visual aids (Mermaid graph and image) to support the text.
Areas for potential enhancement:
- Completing placeholder sections to provide a fully comprehensive guide.
- Adding more examples or specific criteria to clarify certain concepts.
- Enhancing the context and explanation for the included diagrams.
- Minor improvements in Markdown formatting for consistency and accessibility.
These suggested improvements are relatively minor and can easily be addressed to further elevate the quality of this already valuable content. Great work on this update!
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🎉 This PR is included in version 1.6.0 🎉 The release is available on GitHub release Your semantic-release bot 📦🚀 |
Summary by CodeRabbit
New Features
BodyMarkdownfor rendering Markdown content andBodyMermaidfor displaying Mermaid diagrams.Bug Fixes
PostBodycomponent.Style