feat: add CodeBlock component with transition enhancements (#519)#659
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RUKAYAT-CODER merged 5 commits intoJun 1, 2026
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…#519) - Copy-to-clipboard with animated Copy→Check icon swap and 2s reset - Expand/collapse with smooth max-height CSS transition and fade mask - Language badge via existing SyntaxHighlighter component - Accessible aria-label, aria-expanded attributes - Configurable collapseThreshold prop (default: 15 lines)
…nafcode#519) - Replace hardcoded max-h-[calc(15*1.625rem)] with dynamic inline style driven by the collapseThreshold prop - Add standard maskImage alongside WebkitMaskImage for cross-browser support - Add 9 unit tests covering render, copy, expand/collapse, and prop behaviour
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Summary
Implements transition enhancements for the Code Block as described in issue #519.
Changes
src/components/code/CodeBlock.tsxcomponentFeatures
max-heightCSS transition with a fade-out mask for long code blocks (configurable threshold, default 15 lines)SyntaxHighlightercomponent for consistencyaria-label,aria-expanded, andfocus-visiblering on all interactive elementsUsage
Closes #519