build(deps-dev): bump vitepress-mermaid-renderer from 1.1.23 to 1.1.26

[dependabot]

Bumps vitepress-mermaid-renderer from 1.1.23 to 1.1.26.

Release notes

Sourced from vitepress-mermaid-renderer's releases.

v1.1.26

• Install size minification

v1.1.25

Changed

• Security: securityLevel default changed from 'loose' to 'strict'. Inline HTML inside Mermaid diagrams is now disabled by default to prevent XSS when rendering user-controlled or external Markdown content. If you need inline HTML features (e.g. clickable links in flowchart nodes), opt in explicitly: createMermaidRenderer({ securityLevel: 'loose' }).
• Simplified diagram discovery — replaced the two-step getElementsByClassName + fallback querySelectorAll('pre') scan with a single querySelectorAll('pre > code.mermaid, pre > code.language-mermaid') selector, eliminating the full-page <pre> iteration and the custom HTMLCollectionOf shim.
• Early retry termination — renderWithRetry() now stops the exponential-backoff loop immediately when the MutationObserver is active, since it will pick up any late-arriving Mermaid blocks. Reduced maxRenderAttempts from 15 to 5 accordingly.
• IntersectionObserver-based lazy rendering — offscreen Mermaid diagrams are no longer rendered immediately; they are observed with an IntersectionObserver (200 px root margin) and enqueued only when they scroll near the viewport, significantly reducing initial page-load cost on long documents.
• requestAnimationFrame instead of fixed delays — replaced the setTimeout(resolve, 200) delay in renderMermaidDiagram() and the 150 ms / 50 ms production/cap delays in useMermaidRenderer with requestAnimationFrame-based paint waits, ensuring the SVG is settled without arbitrary timing guesses.
• MutationObserver scoped to attributes: false — the DOM observer now explicitly opts out of attribute-change notifications, reducing unnecessary callback invocations for style/class mutations unrelated to Mermaid content.
• Duplicate-render prevention — discovered <pre> elements are immediately marked with data-mermaid-processed so that concurrent MutationObserver triggers and retry passes cannot re-queue the same element.
• Shared Vue context for diagram rendering — replaced per-diagram createApp().mount() with render(h(MermaidDiagram), wrapper). Each diagram now mounts into a lightweight render call instead of creating a full Vue app instance, reducing memory pressure on pages with many diagrams.
• Singleton fullscreen event manager — extracted fullscreen-change listeners into useFullscreenManager.ts. Instead of each diagram registering 4 event listeners (fullscreenchange + vendor prefixes), a single shared manager attaches exactly 4 listeners regardless of how many diagrams are on the page.
• CSS-only controls visibility — removed the onMounted inline style hack that forced .controls { opacity: 1; visibility: visible } via JavaScript. Controls now default to opacity: 1; visibility: visible in CSS and are shown/hidden purely through CSS classes and transitions.

... (truncated)

Changelog

Sourced from vitepress-mermaid-renderer's changelog.

1.1.26

• Install size minification

1.1.25

Changed

• Security: securityLevel default changed from 'loose' to 'strict'. Inline HTML inside Mermaid diagrams is now disabled by default to prevent XSS when rendering user-controlled or external Markdown content. If you need inline HTML features (e.g. clickable links in flowchart nodes), opt in explicitly: createMermaidRenderer({ securityLevel: 'loose' }).
• Simplified diagram discovery — replaced the two-step getElementsByClassName + fallback querySelectorAll('pre') scan with a single querySelectorAll('pre > code.mermaid, pre > code.language-mermaid') selector, eliminating the full-page <pre> iteration and the custom HTMLCollectionOf shim.
• Early retry termination — renderWithRetry() now stops the exponential-backoff loop immediately when the MutationObserver is active, since it will pick up any late-arriving Mermaid blocks. Reduced maxRenderAttempts from 15 to 5 accordingly.
• IntersectionObserver-based lazy rendering — offscreen Mermaid diagrams are no longer rendered immediately; they are observed with an IntersectionObserver (200 px root margin) and enqueued only when they scroll near the viewport, significantly reducing initial page-load cost on long documents.
• requestAnimationFrame instead of fixed delays — replaced the setTimeout(resolve, 200) delay in renderMermaidDiagram() and the 150 ms / 50 ms production/cap delays in useMermaidRenderer with requestAnimationFrame-based paint waits, ensuring the SVG is settled without arbitrary timing guesses.
• MutationObserver scoped to attributes: false — the DOM observer now explicitly opts out of attribute-change notifications, reducing unnecessary callback invocations for style/class mutations unrelated to Mermaid content.
• Duplicate-render prevention — discovered <pre> elements are immediately marked with data-mermaid-processed so that concurrent MutationObserver triggers and retry passes cannot re-queue the same element.
• Shared Vue context for diagram rendering — replaced per-diagram createApp().mount() with render(h(MermaidDiagram), wrapper). Each diagram now mounts into a lightweight render call instead of creating a full Vue app instance, reducing memory pressure on pages with many diagrams.
• Singleton fullscreen event manager — extracted fullscreen-change listeners into useFullscreenManager.ts. Instead of each diagram registering 4 event listeners (fullscreenchange + vendor prefixes), a single shared manager attaches exactly 4 listeners regardless of how many diagrams are on the page.
• CSS-only controls visibility — removed the onMounted inline style hack that forced .controls { opacity: 1; visibility: visible } via JavaScript. Controls now default to opacity: 1; visibility: visible in CSS and are shown/hidden purely through CSS classes and transitions.

... (truncated)

Commits

• 43b467f chore: bump package version to 1.1.26
• ae57513 1.1.26: Install size minification
• 06a13ac 1.1.26: Install size minifaction
• 64da871 test: enhance scrolling behavior for lazy loading of diagrams
• 3727a68 1.1.25
• 09b5e04 format files
• 06dd103 fix: remove line numbers from Mermaid code blocks when VitePress `markdown.li...
• cad5e25 feat: add Turkish and Chinese documentation for VitePress Mermaid Renderer
• See full diff in compare view

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