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77f5f739b5
- Parse `obsitex` YAML codeblocks (`eq-prefix: S` or `- eq-prefix: S`) using Obsidian's `parseYaml` API. - Inject document-level `eq-prefix` into equation tags rendered in Live Preview, Reading View, and PDF export. - Support prefixed ID generation (`% id: eq-S-xxxx`) for newly auto-generated equation tags. - Update equation ID regex patterns (`/eq-[\w.-]+/`) to support dots in prefixes. - Register hidden `obsitex` markdown codeblock processor and CSS rules (`.block-language-obsitex`) to hide instructions across views. - Implement `FileIO.read()` across `ActiveNoteIO` and `NonActiveNoteIO`. - Add unit tests for `obsitex` config parsing and `getEqNumberPrefix`. - Add user-facing and architectural documentation in `docs/features/equations.md` and `docs/configuration/settings.md`. |
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TeXcore for Obsidian
A minimalistic, high-performance LaTeX assistant for automatic equation numbering, referencing, and TikZ rendering with basic GUI editing in Obsidian.md to transforms your vault into a rich ecosystem for scientific drafting and study.
Key Features
- Equation Numbering & referencing: Auto-numbers equations with custom IDs and provides search-based fuzzy autocomplete suggestion dropdowns via
\eqref. - On-Demand TikZ Diagrams: Compiles TikZ code blocks asynchronously in a Web Worker, lazy-downloading and caching assets to remain lightweight and bloat-free.
- Advanced PDF Export: Highly configurable single-note or batch folder PDF exports featuring customizable headers, footers, page sizes, and style overrides.
Behind the Scenes: The WebAssembly Engine
To render TikZ diagrams without forcing you to install a full local LaTeX distribution, TeXcore runs the compiler directly inside Obsidian using WebAssembly:
- TeX in Wasm: The core Pascal source code of TeX is compiled into a WebAssembly binary (
tex.wasm) via theweb2jscompiler. - Background Compilation: Because TeX compilation is CPU-bound, the plugin spawns a background Web Worker to run the Wasm engine. This keeps Obsidian's UI completely smooth and responsive.
- On-Demand CDN Fetching: When you first run a TikZ diagram, the plugin downloads the pre-compiled format engine (
core.dump.gz) and the font stylesheet (tikzjax.css), caching them locally on your disk. - Lazy Caching: If your diagram includes specific packages (e.g.
\usepackage{circuitikz}), the loader resolves the files, downloads them from a CDN, and saves them locally. Subsequent renders of the same packages work fully offline.
License
This plugin is licensed under the MIT License.
Credits & Sourcing
The TikZJax engine and assets are derived from and built upon the incredible work of the following open-source projects:
- kisonecat/tikzjax by Jim Fowler — The original browser-based TeX-in-Wasm compiler.
- drgrice1/tikzjax by Glenn Rice — Added Web Worker support, along with additional TeX library and package compilations.
- artisticat1/obsidian-tikzjax by
artisticat1— Inspiration for Obsidian integration wrapper that packaged these components.
Note: The underlying TeX engine binaries, format dumps, and LaTeX style packages are distributed under their respective open-source licenses (GPL-3.0+ / LPPL v1.3c).