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Sheetwrite v0.5.1

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Overview Installation First grid Performance

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Runtime ownership Calculation engine Adapter lifecycle Error handling

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Configuration Interaction Data operations Host-owned rows Formulas Analysis formulas Styling Persistence Collaboration Worker rendering XLSX export Accessibility

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API contract Formula functions Document operations Compatibility limits Compatibility results Moved guides

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All releases 0.5.1 · 2026-10-18 0.5.0 · 2026-10-17

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All entry points @sheetwrite/core @sheetwrite/formulas @sheetwrite/react @sheetwrite/svelte @sheetwrite/vue @sheetwrite/wasm @sheetwrite/xlsx

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llms.txt llms-full.txt

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@sheetwrite/core/testing

@sheetwrite/core/testing

API reference for @sheetwrite/core/testing.

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Documentation

Start

Overview Installation First grid Performance

Understand

Runtime ownership Calculation engine Adapter lifecycle Error handling

Frameworks

Vanilla React Vue Svelte

Build

Configuration Interaction Data operations Host-owned rows Formulas Analysis formulas Styling Persistence Collaboration Worker rendering XLSX export Accessibility

Reference

API contract Formula functions Document operations Compatibility limits Compatibility results Moved guides

Releases

All releases 0.5.1 · 2026-10-18 0.5.0 · 2026-10-17

API packages

All entry points @sheetwrite/core @sheetwrite/formulas @sheetwrite/react @sheetwrite/svelte @sheetwrite/vue @sheetwrite/wasm @sheetwrite/xlsx

Explore Sheetwrite

Home Showcases GitHub

For LLMs

llms.txt llms-full.txt

test-only

Testing-only public entry point. Import this entry point as @sheetwrite/core/testing.

Declaration target: ./dist/testing.d.ts
Exports: 4

Source entry: packages/core/src/testing.ts

Exported symbols

Functions 2

FinstallCanvasTestStubsInstall the canvas + layout stubs a DOM test environment (jsdom/happy-dom) needs before createGrid can mount — without them the renderer throws "Sheetwrite: 2D canvas context is unavailable". FinstallDatasourceClockForTestInstalls a deterministic monotonic clock through the public testing entrypoint.

Interfaces 2

ICanvasTestStubOptionsLayout dimensions installed by installCanvasTestStubs in DOM test environments. IRecordingContext2DThe stub 2D context the canvas test stubs install: every method is a no-op that counts its invocations in calls, so tests can assert paint activity (e.g.