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Sheetwrite

Sheetwrite is a framework-agnostic, high-performance spreadsheet grid: a canvas grid backed by a Rust/WASM columnar engine, with an imperative core and React, Vue, and Svelte adapters.

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For agents: Framework-agnostic canvas spreadsheet grid with Rust/WASM engine and React, Vue, Svelte adapters; full docs for installation and API in llms-full.txt.

spreadsheet grid canvas grid webassembly react vue svelte

Authority: 45 reach 0 · trust 5 · quality 25 · freshness 15
Tier: listed
llms.txt: https://sheetwrite.vercel.app/llms.txt
llms-full.txt: https://sheetwrite.vercel.app/llms-full.txt
Sections: 10
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Size: 10080 bytes
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Categories: Developer tools · APIs and SDKs
For agents: Documentation: developer or product docs worth reading, nothing to call
Inferred actions: Read documentation About these labels
Audience: developers · agents can: read docs · en
First seen: 2026-10-23T20:09:28.252Z
Last checked: 2026-10-23T20:09:30.026Z
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Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-23T20:09:28.257Z. Cached copy · Source on sheetwrite.vercel.app

# Sheetwrite

> Sheetwrite is a framework-agnostic, high-performance spreadsheet grid: a canvas grid backed by a Rust/WASM columnar engine, with an imperative core and React, Vue, and Svelte adapters.

Sheetwrite packages are released together at version 0.5.2. This index is generated from the repository documentation and the compiler-verified public API manifest.

## Full text

- [llms-full.txt](https://sheetwrite.vercel.app/llms-full.txt): every authored guide plus every public API declaration in one plain-text file. Fetch this when you need to answer a question or write code.

## Agent workflow

1. Choose one base package for your framework: `@sheetwrite/core` for vanilla, or `@sheetwrite/react`, `@sheetwrite/vue`, or `@sheetwrite/svelte`. Adapters bring core and the WebAssembly engine transitively and expose a package-local `styles.css`. Add optional feature packages, such as `@sheetwrite/xlsx`, only when the relevant guide requires them.
2. Initialize the runtime before mounting a grid. The imperative core awaits `initSheetwrite()` once per document; framework components initialize WebAssembly automatically after client mount, so server-rendered hosts need a client-only boundary.
3. The host owns the document. Sheetwrite never mutates host rows, so read Runtime ownership and Adapter lifecycle before choosing `defaultRows` seeding or explicit `workbook` plus `data`/`datasource` ownership.
4. Readiness is generation-scoped: adapters publish `{ grid, generation, reason }` with reason `initial`, `input-reset`, or `renderer-reset`, and replacing reset-bound inputs replaces the grid. Destroy the grid when its host element's lifetime ends.
5. Verify every symbol, option, event, and error code against the public API declarations in `llms-full.txt` or the generated API pages before using it. Anything absent from those declarations is not public API.
6. Recover through typed errors with stable codes (Error handling), and read Compatibility and limits before claiming Excel, Google Sheets, LibreOffice, or OpenFormula parity.

## Start

- [Installation](https://sheetwrite.vercel.app/docs/start/installation/): Install Sheetwrite for Vanilla, React, Vue, or Svelte and initialize its WebAssembly runtime.
- [Your first grid](https://sheetwrite.vercel.app/docs/start/first-grid/): Initialize Sheetwrite, create a workbook, and observe committed changes.

## Ownership and lifecycle

- [Runtime ownership](https://sheetwrite.vercel.app/docs/concepts/runtime-ownership/): Understand Sheetwrite runtime, renderer, store, virtualization, and document ownership boundaries.
- [Adapter lifecycle](https://sheetwrite.vercel.app/docs/frameworks/lifecycle/): Initialization, readiness, resets, and transaction ownership across every Sheetwrite framework adapter.

## Framework adapters

- [Vanilla JavaScript](https://sheetwrite.vercel.app/docs/frameworks/vanilla/): Own Sheetwrite initialization and Grid lifetime without a framework adapter.
- [React](https://sheetwrite.vercel.ap
…

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