[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f2eghkkf04cod2":3},{"code":4,"message":5,"data":6,"timestamp":26},10000,"success",{"full_name":7,"position":8,"description":9,"language":10,"stars":11,"forks":12,"stars_gained":13,"age_days":14,"hn_threads":15,"one_liner":16,"summary_md":17,"topic":18,"github_topics":21,"license":22,"homepage":23,"updated_at":24,"history":25},"wevm\u002Fondine",15,"Fast and simple diagrams.","Rust",409,19,58,7,[],"Precompiles Mermaid diagrams to SVG at build time so sites ship a tiny runtime instead of a full parser.","If your docs pages currently load Mermaid's parser and layout code in the browser just to turn a diagram into SVG, Ondine moves that work to build time and ships static SVG instead. It is worth a look for static-site and documentation authors who care about page weight, but it is a young project with a narrow rendering surface.\n\n## The problem\n\nA docs author writes a Mermaid sequence or flow diagram in Markdown, and the site loads a browser-side renderer that parses the diagram, computes layout, and paints SVG on every visit. That works, but the renderer is a large dependency that runs on the client and can cause layout shifts before the diagram appears. Ondine changes the step: diagrams are compiled ahead of time by a Rust toolchain, and the page only needs a small runtime to mount already-rendered SVG. The result is a page whose diagram markup arrives as finished SVG rather than an instruction for the browser to draw it.\n\n## What's different\n\nOndine's distinguishing choice is compile-first rendering. A Vite plugin turns `.mmd` imports into SVG during the build, a CLI compiles files or stdin, and a Node compiler exposes the same rendering path to scripts and servers. Because theming uses `--ondine-*` CSS custom properties, a compiled diagram can switch light and dark schemes without recompiling. The README also lists a Markdown\u002FMDX remark integration, optional in-browser WASM compilation, and a GitHub image Worker that renders diagrams encoded in a URL.\n\nThe central trade-off is that Ondine is not a general-purpose diagram engine. Its philosophy is compatibility with Mermaid's input, and the available modules are described as one-per-diagram-type or an `all` bundle, which implies a defined set of supported diagram types rather than every Mermaid construct. If your diagrams rely on syntax outside that set, compilation is where you will find out. The build-time model also means diagrams are baked into the output, so a visual change requires rebuilding the site rather than letting the client re-render.\n\n## Who should try it\n\nA good fit is a documentation site or blog already using Vite or a Node build step, where Mermaid diagrams are common and the goal is to stop shipping a large client renderer. The `.mmd` import path and the remark integration let a team adopt it without rewriting content, as long as their diagrams stay within the supported Mermaid subset. The GitHub image Worker is a separate fit for READMEs that need diagrams without a build step.\n\nIt is a poor fit for apps that need users to edit diagrams interactively in the browser and see results immediately, or for teams whose diagrams depend on Mermaid features outside Ondine's supported set. The README does not include a compatibility matrix, so check diagram-type coverage before committing a large docs migration.\n\n## Requirements and limitations\n\nThe obvious requirements are the Rust toolchain for compilation and the JavaScript integration points: the Vite plugin, Node compiler, remark plugin, and WASM modules. The README lists guides for the Vite plugin, the CLI, Node, and in-browser compilation, but the linked pages are relative paths in the source, so start from the [project documentation](https:\u002F\u002Fondine.sh) and the [repository](https:\u002F\u002Fgithub.com\u002Fwevm\u002Fondine). Ongoing upkeep includes keeping compiled assets in sync with source edits and keeping theme variables aligned with your site's CSS.\n\nTwo boundaries matter most. First, compatibility is the main unknown: the README asserts Mermaid-compatible input but does not enumerate covered diagram types, so validation has to happen against real diagrams. Second, the very asset that makes pages small, precompiled SVG, is also what makes diagrams static; interactive or frequently changing diagrams will not get the same benefit.\n\n## HotRepo's take\n\nThe repository is six days old as of the 2026-10-25 snapshot and had 399 total stars, ranked #15 on the NEW-REPOSITORY board for Rust on 2026-10-25. That is a snapshot of a young project, not a daily growth measurement. HotRepo's stored coverage has no comparable daily-board history, so persistence cannot yet be judged. Before investing in a migration, confirm that Ondine's supported diagram types cover the Mermaid diagrams already in your docs.",{"slug":19,"name":20},"media","Media & Design",[],"NOASSERTION","https:\u002F\u002Fondine.sh","2026-10-25T02:57:50Z",[],1792915087]