Frontend & Design · By handsontable

Guides changes to the @handsontable/angular-wrapper package: the HotTableComponent lifecycle, NgZone performance handling, settings services and the ng-packagr build.

handsontable/handsontable

Explains Handsontable's physical, visual and renderable row and column coordinate spaces and how to convert between them with IndexMapper, for debugging misplaced rows or columns.

handsontable/handsontable

Sets the rules for writing Handsontable documentation examples in JavaScript, TypeScript, React, Angular and Vue, with the imports, registration and licence key each needs.

handsontable/handsontable

Explains how to add or change the demo pages that Handsontable's visual regression suite photographs, including per-feature routes in the js demo and the shared grid.

handsontable/handsontable

Explains how to build or change a Handsontable cell type that bundles an editor, renderer and validator under one registered name, including registration steps and value rules.

handsontable/handsontable

Routes any change to the handsontable core package to the right specialist skill, by task type such as plugin, editor, renderer or validator, after a mandatory architecture review.

handsontable/handsontable

Guides building a new Handsontable cell editor through its four-state lifecycle, DOM setup, viewport-aware positioning and async validation, matching the grid's existing editor classes.

handsontable/handsontable

Rules for creating or changing a Handsontable plugin: file layout, lifecycle, hook registration, settings, conflict registration and IndexMapper use.

handsontable/handsontable

Rules for writing a Handsontable cell renderer: a pure function that calls baseRenderer first, sets text safely and stays cheap because it runs for every visible cell.

handsontable/handsontable

Conventions for Handsontable's Jest unit and TypeScript type tests: where files go, how to run them, mocking limits and when to write an E2E test instead.

handsontable/handsontable

Rules for writing a Handsontable cell validator: a callback-based function bound to the cell properties that must always call back and never modify data or the DOM.

handsontable/handsontable

How to add user-facing text to Handsontable through language constants and locale files, and how to handle right-to-left layouts, IME input and locale-aware casing.

handsontable/handsontable

Guide to Playwright visual regression tests in Handsontable: when a screenshot is justified, the tablePage fixture, naming, reg-suit comparison and demo routes.

handsontable/handsontable

Rules for changing Handsontable's Walkontable rendering engine: the TableView boundary, dependency injection through wire.ts and DOM geometry reads via GeometryReader.

handsontable/handsontable

Reviews Handsontable monorepo changes across architecture, code quality, performance and accessibility, and tests, with a confidence rating on every finding.

handsontable/handsontable

Rules for styling Handsontable themes: CSS custom properties as the public API, SCSS file layout, cell padding from variables, and a ban on :has() selectors.

handsontable/handsontable

Explains how the @handsontable/react-wrapper package is built, from its components and settings mapping to selection handling and the generated TypeScript declarations.

handsontable/handsontable