Qingyun Technology Community

Feb 22, 2022 · Frontend Development

Build a Custom Draft.js Comment Box with Length Limit, Mentions, and Links

This tutorial introduces Draft.js core concepts—EditorState, Entity, SelectionState, and CompositeDecorator—and walks through building a custom comment box in React that enforces a 200‑character limit, highlights @mentions, and supports link insertion using immutable state updates.