Documentation: utils / createExcerpt
Purpose:
Generate plain-text excerpt from markdown content by stripping syntax and truncating.
Lifecycle Role:
Used during post content processing and metadata creation for previews or summaries.
Dependencies:
Upstream:
markdown content
Downstream:
- post rendering logic
- summary generation modules
- UI components needing brief previews
- post metadata
Data Flow:
Inputs:
markdown content string, optional character limit (default ~200 chars)
Outputs:
truncated plain-text excerpt substring
Side Effects:
None
Performance and Scalability:
Bottlenecks:
None; pure function
Concurrency:
None
Security and Stability:
Validation:
- Basic regex or parsing to strip markdown syntax
Vulnerabilities:
- incomplete markdown parsing risks malformed excerpts
- truncation may cut mid-word
Architecture Assessment:
Coupling:
Low; standalone utility
Abstraction:
Markdown to plain text excerpt converter
Recommendations:
- Use dedicated markdown parser for accuracy if precision required
- Truncate cleanly at word or sentence boundaries
- Cache excerpts for static content to reduce recomputation