Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.
Lexical is a TypeScript framework for embedding editable text fields and rich-text editors in web applications. Developers use it to build accessible, extensible editors with features such as undo history, collaboration, structured content, and import or export formats. The catalogue instructions and setting support development workflows around Lexical.
Latest release v0.52.0 · 28 Sept 2026
3 files for Claude Code, Codex and OpenCode: lexical, lexical AGENTS.md, lexical CLAUDE.md — 6,390 tokens loaded in every session.
AGENTS.md A 6,385 tok CLAUDE.md A 5 tok .claude/settings.json A — These files are facebook/lexical's own configuration — they tell Claude Code, Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.