feat(react-headless-components-preview): add Combobox component and stories#36114
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Pull request overview
Adds a new headless Combobox surface to @fluentui/react-headless-components-preview, including Storybook stories, unit tests, Cypress coverage, and a new ./combobox subpath export. It also reuses the headless Dropdown’s Listbox/Option/OptionGroup implementations via re-exports to keep behavior consistent across headless selection components.
Changes:
- Added headless
Comboboximplementation (state, render, context values) plus Jest + Cypress tests. - Added Storybook stories and styling for common scenarios (default, controlled, freeform, grouped, multiselect, disabled, controlled open).
- Wired
./comboboxexport + API report, and registered Combobox in the bundle-size fixture.
Reviewed changes
Copilot reviewed 24 out of 24 changed files in this pull request and generated 3 comments.
Show a summary per file
| File | Description |
|---|---|
| packages/react-components/react-headless-components-preview/stories/src/Dropdown/DropdownBestPractices.md | Adds placeholder Best Practices doc for Dropdown stories/docs. |
| packages/react-components/react-headless-components-preview/stories/src/Combobox/index.stories.tsx | Registers Combobox Storybook entry and story exports. |
| packages/react-components/react-headless-components-preview/stories/src/Combobox/ComboboxMultiselect.stories.tsx | Adds multiselect Combobox story. |
| packages/react-components/react-headless-components-preview/stories/src/Combobox/ComboboxGrouped.stories.tsx | Adds grouped options Combobox story. |
| packages/react-components/react-headless-components-preview/stories/src/Combobox/ComboboxFreeform.stories.tsx | Adds freeform input Combobox story. |
| packages/react-components/react-headless-components-preview/stories/src/Combobox/ComboboxDisabled.stories.tsx | Adds disabled Combobox story. |
| packages/react-components/react-headless-components-preview/stories/src/Combobox/ComboboxDescription.md | Adds component-level Storybook description text. |
| packages/react-components/react-headless-components-preview/stories/src/Combobox/ComboboxDefault.stories.tsx | Adds default Combobox story with clear + expand icons. |
| packages/react-components/react-headless-components-preview/stories/src/Combobox/ComboboxControllingOpenAndClose.stories.tsx | Adds controlled open/close story for Combobox. |
| packages/react-components/react-headless-components-preview/stories/src/Combobox/ComboboxControlled.stories.tsx | Adds fully controlled selection/value story. |
| packages/react-components/react-headless-components-preview/stories/src/Combobox/combobox.module.css | Adds story styling for the headless Combobox examples. |
| packages/react-components/react-headless-components-preview/library/src/components/Combobox/useComboboxContextValues.ts | Adapts useComboboxContextValues from @fluentui/react-combobox for headless state typing. |
| packages/react-components/react-headless-components-preview/library/src/components/Combobox/useCombobox.ts | Implements headless Combobox state using shared popup/listbox plumbing. |
| packages/react-components/react-headless-components-preview/library/src/components/Combobox/renderCombobox.tsx | Adds default renderer for headless Combobox + providers. |
| packages/react-components/react-headless-components-preview/library/src/components/Combobox/index.ts | Exposes Combobox API and re-exports Dropdown Listbox/Option/OptionGroup. |
| packages/react-components/react-headless-components-preview/library/src/components/Combobox/Combobox.types.ts | Defines headless Combobox public types and data attributes. |
| packages/react-components/react-headless-components-preview/library/src/components/Combobox/Combobox.tsx | Adds headless Combobox component entrypoint. |
| packages/react-components/react-headless-components-preview/library/src/components/Combobox/Combobox.test.tsx | Adds Jest conformance + basic behavior assertions. |
| packages/react-components/react-headless-components-preview/library/src/components/Combobox/Combobox.cy.tsx | Adds Cypress coverage for key interactions and variants. |
| packages/react-components/react-headless-components-preview/library/src/combobox.ts | Adds ./combobox subpath entry re-exporting the Combobox surface. |
| packages/react-components/react-headless-components-preview/library/package.json | Adds exports["./combobox"] mapping. |
| packages/react-components/react-headless-components-preview/library/etc/combobox.api.md | Adds API Extractor report for ./combobox. |
| packages/react-components/react-headless-components-preview/library/bundle-size/AllComponents.fixture.js | Registers combobox export in bundle-size fixture. |
| change/@fluentui-react-headless-components-preview-0ee0a685-d92f-4953-a5bd-8813ad8abc16.json | Adds Beachball change entry for the new Combobox export. |
…tories Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
…tories Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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📊 Bundle size report
🤖 This report was generated against f00a0e6e39771477e8c8b74480c3fc78873d6f8d |
…from combobox cypress test Agent-Logs-Url: https://github.com/microsoft/fluentui/sessions/4ff2c9ba-cd07-44b3-b36e-f7fa3f722e2f Co-authored-by: dmytrokirpa <1492102+dmytrokirpa@users.noreply.github.com>
Hotell
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Summary
@fluentui/react-headless-components-preview../comboboxsubpath export and registers the package in the bundle-size fixture.Listbox,Option, andOptionGroupwith the headless Dropdown by re-exporting from../Dropdown/....