Grida Canvas - Tools & Agents Pt1#448
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Caution Review failedThe pull request is closed. Note Other AI code review bot(s) detectedCodeRabbit has detected other AI code review bot(s) in this pull request and will avoid duplicating their findings in the review comments. This may lead to a less comprehensive review. WalkthroughA new CSS cascade engine crate ( Changes
Sequence Diagram(s)sequenceDiagram
participant Client as JavaScript/Browser
participant WASM as Grida Canvas WASM
participant Markdown as Markdown Module
participant SVG as SVG Module
Note over Client,SVG: Markdown to HTML Conversion Flow
Client->>WASM: grida_markdown_to_html(markdown ptr)
WASM->>Markdown: Parse & convert markdown
Markdown-->>WASM: HTML string
WASM->>WASM: Serialize to JSON response
WASM-->>Client: JSON (success/error)
Note over Client,SVG: SVG Optimization & Packing Flow
Client->>WASM: grida_svg_optimize(svg ptr)
WASM->>SVG: Normalize & optimize SVG
SVG-->>WASM: Optimized SVG string
WASM->>WASM: Serialize to JSON response
WASM-->>Client: JSON (success/error)
Client->>WASM: grida_svg_pack(svg ptr)
WASM->>SVG: Parse & build IR tree
SVG-->>WASM: IRSVGInitialContainerNode
WASM->>WASM: Serialize IR to JSON
WASM-->>Client: JSON (success/error + IR tree)
sequenceDiagram
participant Input as Input HTML/Markdown
participant Parser as HTML5 Parser
participant DOM as RcDom
participant Cascade as Cascade Engine
participant Stylo as Stylo Style Engine
participant Output as Styled Tree Output
Note over Input,Output: CSS Cascade Resolution Pipeline
Input->>Parser: Parse HTML/Markdown input
Parser->>DOM: Build reference-counted DOM tree
DOM->>Cascade: Provide DOM structure
Cascade->>Stylo: Collect stylesheets & selector match
Stylo->>Stylo: Resolve cascade (specificity, inheritance)
Stylo-->>Cascade: Computed values per node
Cascade->>Output: Build styled tree with computed styles
Output-->>Input: Return style-resolved static tree
Estimated code review effort🎯 5 (Critical) | ⏱️ ~120+ minutes Key areas requiring extra attention:
Possibly related PRs
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✨ Finishing touches
🧪 Generate unit tests (beta)
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| // Enable GitHub Flavored Markdown (GFM) features | ||
| let options = Options::ENABLE_STRIKETHROUGH | ||
| | Options::ENABLE_TABLES | ||
| | Options::ENABLE_MATH | ||
| | Options::ENABLE_TASKLISTS |
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The new Markdown helper sets Options::ENABLE_MATH, but pulldown-cmark 0.13.0 (the version locked in Cargo.lock) only exposes ENABLE_TABLES, ENABLE_FOOTNOTES, ENABLE_STRIKETHROUGH, ENABLE_TASKLISTS, ENABLE_SMART_PUNCTUATION, and ENABLE_HEADING_ATTRIBUTES. Because ENABLE_MATH is not defined, this file does not compile for any target, breaking the WASM bindings and the host crate. Please remove the nonexistent option or gate math parsing behind a compatible library.
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This PR aims to introduce best practices and patterns required for full-agent mode.
Tools
imagesvgcg304Grida Canvas - SVGs #453html(partial) - browser-grade css/html paint tree serializer (csscascade project)markdown(depends on html)mermaidtableImpls
Pt1. Image Gen Tools
day-303-grida-canvas-agent-mode-pt1-image-gen-tool.mp4
Note
Adds a vendored
third_party/usvgcrate providing SVG parsing, style/text layout, filters, and SVG writer, with docs and tests.third_party/usvgcrate (fork) with SVG parser, tree model, text layout, filters, gradients/patterns, clip-paths/masks, and writer.Cargo.toml, licenses, docs, codegen utilities, and test suites for parser/writer.Written by Cursor Bugbot for commit 6483ae6. This will update automatically on new commits. Configure here.
Summary by CodeRabbit
New Features
Bug Fixes
Documentation
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