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Menu: Arrow key navigation updates #1761

Merged
merged 1 commit into from
Jan 11, 2021
Merged

Menu: Arrow key navigation updates #1761

merged 1 commit into from
Jan 11, 2021

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mdodgelooker
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✨ Changes

  • Replaces moveFocus with new useArrowKeyNav hook in Menu and Tabs
  • Supports up/down arrows (Menu) and left/right arrows (Tabs) via the axis prop
    • Anticipates future support for up/down/left/right arrows (DataTable) with axis="both" and a custom getNextFocus.
  • Follows GCP standard for arrow key nav behavior
    • Tab key enters & exits focus on the list as a whole but only arrow keys can move focus between items in the list
    • Cycles through from last to first & vice versa
    • The last item focused via arrow keys is persisted the next time the user tabs into the list

✅ Requirements

  • Includes test coverage for all changes
  • Build and tests are passing
  • Update documentation
  • Updated CHANGELOG
  • Checked for i18n impacts
  • Checked for a11y impacts
  • Check for image-snapshot changes (run yarn image-snapshots locally)
  • PR is ideally < ~400LOC

📷 Screenshots

185dcf50-bd6e-46a3-b17c-010bda96724a

mdodgelooker
mdodgelooker commented Jan 8, 2021
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packages/components/src/Menu/MenuGroup.story.tsx
...Basic.args,
label: undefined,
}

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Adding this image snapshot to make up for a jest snapshot I removed.

packages/components/src/Menu/MenuGroup.test.tsx
const { getByTestId } = renderWithTheme(
<MenuList>
<MenuItem icon="Calendar">Gouda</MenuItem>
describe('MenuGroup', () => {
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Removing all the snapshots since they're covered by image snapshots and otherwise this PR would need to update them. Also added the describe – just cuz.

packages/components/src/Menu/MenuItem.tsx
rel={rel}
role="menuitem"
target={target}
tabIndex={-1}
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tabIndex={-1} supports the "use arrows to move focus between items, tab to move focus in & out of the list" behavior.

packages/components/src/Tabs/Tabs.test.tsx
</Tabs>
)
})

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Removing this snapshot since it's covered by an image snapshot and otherwise this PR would have to update it. I tried removing the other 2 snapshots as well but I ran into this issue when trying to use toHaveStyleRule.

packages/components/src/utils/useWindow.tsx
enabled?: boolean
children?: JSX.Element | JSX.Element[]
/** Derive the height of each child using props, type, etc. */
childHeight: number | ChildHeightFunction
/** Tagname to use for the spacers above and below the window */
spacerTag?: WindowSpacerTag
ref?: Ref<E>
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Added ref as a prop here to avoid the need for useForkedRef in MenuList.

@mdodgelooker mdodgelooker force-pushed the mdodge/menu-keyboard-nav branch from e158293 to 76eb23d Compare January 8, 2021 21:23
@mdodgelooker mdodgelooker requested review from a user and elliooo January 8, 2021 21:25
@mdodgelooker mdodgelooker marked this pull request as ready for review January 8, 2021 23:51
elliooo
elliooo previously approved these changes Jan 9, 2021
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This is awesome! Really liked the implementation of getNextFocus and useArrowKeyNav.

LGTM

packages/components/src/utils/useArrowKeyNav.ts
vertical
)
if (newFocusedItem) {
e.preventDefault()
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Out of curiosity, why do we need to preventDefault here?

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It stops the scrolling that would otherwise happen with the arrow keys.

ghost
ghost previously approved these changes Jan 11, 2021
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This looks great! :)

@mdodgelooker mdodgelooker dismissed stale reviews from ghost and elliooo via d7accae January 11, 2021 23:38
@mdodgelooker mdodgelooker force-pushed the mdodge/menu-keyboard-nav branch from 76eb23d to d7accae Compare January 11, 2021 23:38
@mdodgelooker mdodgelooker merged commit dc2400f into main Jan 11, 2021
@mdodgelooker mdodgelooker deleted the mdodge/menu-keyboard-nav branch January 11, 2021 23:52
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@mdodgelooker @elliooo