Anand Hegde
42457ef6f7
Fixes #15588. ## Root cause `preprocessLatex` escapes any `$` that is followed by a digit, assuming it is a price: ```ts // Escape dollar signs that are likely currency indicators preprocessedContent = preprocessedContent.replace(/\$(?=\d)/g, '\\$'); ``` The step above it shields existing LaTeX from that escape — but only `$$…$$`, `\[…\]` and `\(…\)`. **Single-dollar inline math was never protected.** So for `$4\vee 6=12$`: 1. the protection pass does not match it, 2. the currency pass sees `$4` and rewrites it to `\$4`, 3. the expression never parses as math, and the closing `$` is left orphaned, which throws off the parse of everything after it. That last part is why a single such expression breaks the rest of the document, as the report describes. It also explains the reporter's `{ }` workaround: `${4}` is `$` followed by `{`, not a digit, so the escape never fires. ## The fix Protect single-dollar inline math too, using the usual rule for telling math from prices: - the opening `$` is not followed by whitespace, - the closing `$` is not preceded by whitespace, - the closing `$` is not followed by a digit. ```ts /(\$\$[\s\S]*?\$\$|\\\[[\s\S]*?\\\]|\\\(.*?\\\)|\$(?!\s)[^\n$]*?(?<!\s)\$(?!\d))/g ``` Currency is unaffected, which is the part worth checking: - `costs $5 and $10 today` — the only closing candidate is the `$` before `10`, and it is preceded by a space, so no match; both escape as before. - `$100$200` — the closing candidate is followed by `2`, so no match; both escape as before. - `it costs $5.00 total` — no closing `$` at all. `$$…$$` stays first in the alternation, so display math is still matched as display math. ## Verification New `blocksuite/affine/all/src/__tests__/adapters/latex-preprocessor.unit.spec.ts`, 11 cases: the digit-first expressions from the issue, the currency cases above, and guards for display math, a `$` followed by whitespace, `\(…\)` rewriting, and code spans. Reverting **only** the regex (keeping the export so the module still loads) fails exactly the four digit-first tests and leaves the other seven green: ``` × leaves binary operators untouched × leaves relation untouched × leaves single digit untouched × keeps every expression in a sentence mixing math and prose Tests 4 failed | 7 passed (11) ``` That the currency and existing-behaviour cases pass **without** the fix is the point — they are regression guards, not props for it. With the fix: ``` Test Files 14 passed (14) Tests 234 passed (234) ``` (the whole `blocksuite/affine/all` suite, which includes the 193 existing adapter tests). ## Notes - `preprocessLatex` is now exported so the delimiter rule can be tested directly. It was previously module-private with only the extension exported; `adapters/markdown/index.ts` already does `export * from './preprocessor.js'`, so nothing else changed. - I kept the change to the one regex and did not reformat the rest of the file — there is no Prettier config in the repo, and running Prettier with its defaults rewrites quotes and trailing commas across the whole file. - The lookbehind `(?<!\s)` is ES2018; the file already targets modern runtimes. <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit - **Bug Fixes** - Improved Markdown LaTeX preprocessing for inline expressions preceded by even-length backslash runs. - Continued to distinguish escaped dollar signs from valid math delimiters, while preserving currency values, display math, `\( \)` expressions, whitespace, mixed content, and code spans. - **Tests** - Added comprehensive coverage for inline and display math, delimiter escaping, currency values, whitespace, conversions, mixed content, digit-leading expressions, and code-span protection. <!-- end of auto-generated comment: release notes by coderabbit.ai -->
AFFiNE.Pro
Write, Draw and Plan All at Once
A privacy-focused, local-first, open-source, and ready-to-use alternative for Notion & Miro.
One hyper-fused platform for wildly creative minds.
Getting started & staying tuned with us.
Star us, and you will receive all release notifications from GitHub without any delay!
What is AFFiNE
AFFiNE is an open-source, all-in-one workspace and an operating system for all the building blocks that assemble your knowledge base and much more -- wiki, knowledge management, presentation and digital assets. It's a better alternative to Notion and Miro.
Features
A true canvas for blocks in any form. Docs and whiteboard are now fully merged.
- Many editor apps claim to be a canvas for productivity, but AFFiNE is one of the very few which allows you to put any building block on an edgeless canvas -- rich text, sticky notes, any embedded web pages, multi-view databases, linked pages, shapes and even slides. We have it all.
Multimodal AI partner ready to kick in any work
- Write up professional work report? Turn an outline into expressive and presentable slides? Summary an article into a well-structured mindmap? Sorting your job plan and backlog for tasks? Or... draw and code prototype apps and web pages directly all with one prompt? With you, AFFiNE AI pushes your creativity to the edge of your imagination, just like Canvas AI to generate mind map for brainstorming.
Local-first & Real-time collaborative
- We love the idea of local-first that you always own your data on your disk, in spite of the cloud. Furthermore, AFFiNE supports real-time sync and collaborations on web and cross-platform clients.
Self-host & Shape your own AFFiNE
- You have the freedom to manage, self-host, fork and build your own AFFiNE. Plugin community and third-party blocks are coming soon. More tractions on Blocksuite. Check there to learn how to self-host AFFiNE.
Acknowledgement
“We shape our tools and thereafter our tools shape us”. A lot of pioneers have inspired us along the way, e.g.:
- Quip & Notion with their great concept of “everything is a block”
- Trello with their Kanban
- Airtable & Miro with their no-code programmable datasheets
- Miro & Whimiscal with their edgeless visual whiteboard
- Remote & Capacities with their object-based tag system
There is a large overlap of their atomic “building blocks” between these apps. They are not open source, nor do they have a plugin system like Vscode for contributors to customize. We want to have something that contains all the features we love and also goes one step even further.
Thanks for checking us out, we appreciate your interest and sincerely hope that AFFiNE resonates with you! 🎵 Checking https://affine.pro/ for more details ions.
Contributing
| Bug Reports | Feature Requests | Questions/Discussions | AFFiNE Community |
|---|---|---|---|
| Create a bug report | Submit a feature request | Check GitHub Discussion | Visit the AFFiNE's Discord |
| Something isn't working as expected | An idea for a new feature, or improvements | Discuss and ask questions | A place to ask, learn and engage with others |
Calling all developers, testers, tech writers and more! Contributions of all types are more than welcome, you can read more in docs/types-of-contributions.md. If you are interested in contributing code, read our docs/CONTRIBUTING.md and feel free to check out our GitHub issues to get stuck in to show us what you’re made of.
Before you start contributing, please sign our Contributor License Agreement — it takes less than a minute with your GitHub account. Pull requests cannot be merged until every committer has signed (the license/cla check on your PR). Full text: CLA.md.
For bug reports, feature requests and other suggestions you can also create a new issue and choose the most appropriate template for your feedback.
For translation and language support you can visit our Discord.
If you have questions, you are welcome to contact us. One of the best places to get more info and learn more is in the Discord where you can engage with other like-minded individuals.
Templates
AFFiNE now provides pre-built templates from our team. Following are the Top 10 most popular templates among AFFiNE users,if you want to contribute, you can contribute your own template so other people can use it too.
- vision board template
- one pager template
- sample lesson plan math template
- grr lesson plan template free
- free editable lesson plan template for pre k
- high note collection planners
- digital planner
- ADHD Planner
- Reading Log
- Cornell Notes Template
Blog
Welcome to the AFFiNE blog section! Here, you’ll find the latest insights, tips, and guides on how to maximize your experience with AFFiNE and AFFiNE AI, the leading Canvas AI tool for flexible note-taking and creative organization.
- vision board template
- ai homework helper
- vision board maker
- itinerary template
- one pager template
- cornell notes template
- swot chart template
- apps like luna task
- note taking ai from rough notes to mind map
- canvas ai
- one pager
- SOP Template
- Chore Chart
Ecosystem
| Name | ||
|---|---|---|
| @affine/component | AFFiNE Component Resources |  |
| @toeverything/theme | AFFiNE theme |  |
Upstreams
We would also like to give thanks to open-source projects that make AFFiNE possible:
-
Blocksuite - 💠 BlockSuite is the open-source collaborative editor project behind AFFiNE.
-
y-octo - 🐙 y-octo is a native, high-performance, thread-safe YJS CRDT implementation, serving as the core engine enabling the AFFiNE Client/Server to achieve "local-first" functionality.
-
OctoBase - 🐙 OctoBase is the open-source database behind AFFiNE, local-first, yet collaborative. A light-weight, scalable, data engine written in Rust.
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yjs - Fundamental support of CRDTs for our implementation on state management and data sync on web.
-
electron - Build cross-platform desktop apps with JavaScript, HTML, and CSS.
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React - The library for web and native user interfaces.
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napi-rs - A framework for building compiled Node.js add-ons in Rust via Node-API.
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Jotai - Primitive and flexible state management for React.
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async-call-rpc - A lightweight JSON RPC client & server.
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Vite - Next generation frontend tooling.
-
Other upstream dependencies.
Thanks a lot to the community for providing such powerful and simple libraries, so that we can focus more on the implementation of the product logic, and we hope that in the future our projects will also provide a more easy-to-use knowledge base for everyone.
Contributors
We would like to express our gratitude to all the individuals who have already contributed to AFFiNE! If you have any AFFiNE-related project, documentation, tool or template, please feel free to contribute it by submitting a pull request to our curated list on GitHub: awesome-affine.
Self-Host
Begin with Docker to deploy your own feature-rich, unrestricted version of AFFiNE. Our team is diligently updating to the latest version. For more information on how to self-host AFFiNE, please refer to our documentation.
Feature Request
For feature requests, please see discussions.
Building
Codespaces
From the GitHub repo main page, click the green "Code" button and select "Create codespace on master". This will open a new Codespace with the (supposedly auto-forked AFFiNE repo cloned, built, and ready to go).
Local
See BUILDING.md for instructions on how to build AFFiNE from source code.
Contributing
We welcome contributions from everyone. See docs/contributing/tutorial.md for details.
License
Editions
-
AFFiNE Community Edition (CE) is the current available version, it's free for self-host under the MIT license.
-
AFFiNE Enterprise Edition (EE) is yet to be published, it will have more advanced features and enterprise-oriented offerings, including but not exclusive to rebranding and SSO, advanced admin and audit, etc., you may refer to https://affine.pro/pricing for more information
See LICENSE for details.