Implementing a Simple Text Editor with Auto-Save Using TanStack Start

URL: https://isaacfei.com/posts/editor-autosave-tanstack-start Date: 2026-02-23 Tags: TanStack Start, React, TanStack Query, Auto-save, Editor Description: Build a document editor frontend with auto-save using TanStack Start, focusing on editor features and state management in the useDocumentEditor hook. This post walks through building a document editor frontend with auto-save using TanStack Start. The central piece is useDocumentEditor — a custom hook that owns the entire editing lifecycle: local state, server sync, checksum-based dirty detection, debounced auto-save, and a unified status enum. By the end, you'll understand every design decision in this hook and how they fit together. You can try the live demo at playground.isaacfei.com/editor — create a document, type some content, and watch the auto-save in action. What We're Building A simple multi-document text editor with the following features: Document list — browse all documents, create new, navigate to editor Title editing —