vue-wrapper-dev

Development

Use when developing or modifying the @handsontable/vue3 wrapper package - Vue 3 SFC components, deep watchers, and provide/inject patterns for settings propagation

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Vue 3 Wrapper Development

Package location

wrappers/vue3/

Components

HotTable.vue - the main Single-File Component. Creates the Handsontable instance on mount and tears it down on unmount.
HotColumn.vue - child component for declarative per-column configuration.

Architecture

Components use defineComponent with propFactory('HotTable') to auto-generate prop definitions matching every Handsontable option.

Deep watchers (watch with deep: true) monitor prop changes. When a change is detected, the watcher calls updateSettings() on the Handsontable instance with the new values.

prepareSettings() is a helper that transforms Vue component props into a plain Handsontable settings object, filtering out Vue-specific properties.

Parent-child communication uses Vue's provide() / inject() pattern. The HotTable component provides its settings and instance reference so HotColumn children can register their column configurations.

Data handling: Data is synced by reference, not deep-copied. Mutations to the original data array are reflected in the grid without extra work. Avoid replacing the data array reference unless you intend a full reload.

Build and test

Build system: Rollup 4.
Tests: Jest with @vue/test-utils.
Run tests: npm run test --prefix wrappers/vue3
Important: Build core first with npm run build --prefix handsontable. Wrappers consume handsontable/tmp/, not dist/.

Key files

File	Purpose
`src/HotTable.vue`	Main grid component
`src/HotColumn.vue`	Per-column configuration component
`src/helpers.ts`	Settings preparation and utility functions
`src/types.ts`	TypeScript type definitions

Rules

No business logic in wrappers. All data transformation and validation belongs in handsontable/src/.
Cross-platform npm scripts: use Node.js .mjs helpers instead of bash-only constructs.