#graphviz

moonbit-community/graphviz provides synchronous, in-memory Graphviz parsing, layout, and rendering in MoonBit, with no external module dependencies.

Packages:

cgraph: graph data model
dot: DOT parser and writer
layout/dot: graph layout
render/xdot: XDOT rendering
render/svg: SVG rendering

Supply input as a string to @dot.parse_dot, pass the graph to @layout_dot.layout_dot, then render it with @svg.render_svg or @xdot.render_xdot. For layout-annotated DOT, call layout.apply() before @dot.write_dot(layout.graph).

File I/O, command-line processing, and file-based integration tests live in the separate moonbit-community/graphviz-cli module. Its cli and dot/fs packages replace the former moonbit-community/graphviz/cli and moonbit-community/graphviz/dot/fs packages.

The repository's moon.work connects both modules for local development. Run moon check --target native --deny-warn from the repository root to check both modules.

Output parity fixtures come from upstream Graphviz 14.1.1. See the repository README and AGENTS.md for validation and fixture policy.

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