feat(action-menu): S2 migration [CSS-1160] #4085

castastrophe · 2025-07-29T20:52:10Z

Description

This PR:

Adds a new @spectrum-css/actionmenu component that composes ActionButton, Popover, and Menu to present action lists from a trigger.
Updates @spectrum-css/actionbutton and @spectrum-css/actiongroup to treat selection via .is-selected as well as :where([aria-pressed="true"], [aria-expanded="true"]) to cover more accessibility use-cases while keeping selector specificity low.
Refines @spectrum-css/menu to align with Spectrum 2 specifications and accessibility improvements.

Design references:

Figma S2 token specs: link

Includes a changeset with the following bumps:

@spectrum-css/actionmenu: major (new component)
@spectrum-css/actionbutton: minor (selection semantics with ARIA via :where)
@spectrum-css/menu: patch (S2 refinements, accessibility)
@spectrum-css/actiongroup: patch (selection semantics alignment)

How and where has this been tested?

Storybook locally:
- Verified Action menu stories (default, long-press, placements).
- Verified Menu stories for focus indicators, CJK line-height, external link/drill-in icons, thumbnails, and forced-colors behavior.
- Verified Action button and Action group selected visuals using .is-selected, [aria-pressed="true"], and [aria-expanded="true"].
Forced Colors (Windows High Contrast) visual pass in Storybook.
Chromatic/VRT pending reviewer confirmation.

Validation steps

Open Storybook for Action menu:
- Toggle isOpen and confirm popover/menu spacing and placement reflect updates.
- Enable “Long press” and confirm press vs long-press behavior in docs.
Open Storybook for Action button:
- Toggle .is-selected, set aria-pressed="true", and aria-expanded="true"; confirm identical visuals due to :where(...).
Open Storybook for Action group:
- In compact group, confirm hover/selected/focus ring layering and selection visuals via .is-selected and ARIA attributes.
Open Storybook for Menu:
- Confirm external-link and drill‑in icon sizing; thumbnail sizing/alignment.
- Confirm forced-colors readability.

Screenshots

Add Storybook screenshots for:
- Action menu default and long-press
- Action button selected (class vs ARIA)
- Menu focus and forced-colors states

To-do list

I have read the contribution guidelines.
I have updated relevant Storybook stories and templates.
I have tested these changes in Windows High Contrast mode.
If my change impacts other components, I have tested to make sure they don't break.
If my change impacts documentation, I have updated the documentation accordingly.
I have included a well-written changeset if my change needs to be published.

Notes for reviewers

No class name changes; selection semantics expanded via :where([aria-pressed],[aria-expanded]) to avoid specificity issues and broaden accessibility support.
Menu refinements include focus margin reservation, CJK line-height variables, transparent-at-rest backgrounds per S2, and forced-colors improvements.

References

Changesets documentation: https://github.com/changesets/changesets
Figma S2 token specs: https://www.figma.com/design/eoZHKJH9a3LJkHYCGt60Vb/S2-Token-specs?node-id=19758-3424

github-actions · 2025-07-29T21:07:32Z

📚 Branch preview

PR #4085 has been deployed to Azure Blob Storage: https://spectrumcss.z13.web.core.windows.net/pr-4085/index.html.

github-actions · 2025-07-29T21:08:40Z

File metrics

Summary

Total size: 1.44 MB^*
Total change (Δ): 🔴 ⬆ 0.83 KB (0.05%)

Table reports on changes to a package's main file. Other changes can be found in the collapsed Details section below.

Package	Size	Minified	Gzipped	Δ
actionbutton	23.62 KB	22.53 KB	2.99 KB	🟢 ⬇ 0.04 KB
actiongroup	7.73 KB	7.41 KB	1.09 KB	🔴 ⬆ 0.06 KB
actionmenu	0.84 KB	🆕 0.83 KB	🆕 0.48 KB	🆕 0.84 KB
menu	47.47 KB	45.21 KB	5.00 KB	🟢 ⬇ 0.45 KB

File change details

actionbutton

Filename	Head	Minified	Gzipped	Compared to base
index.css	23.62 KB	22.53 KB	2.99 KB	🟢 ⬇ 0.04 KB
metadata.json	10.52 KB	-	-	🔴 ⬆ 0.34 KB

actiongroup

Filename	Head	Minified	Gzipped	Compared to base
index.css	7.73 KB	7.41 KB	1.09 KB	🔴 ⬆ 0.06 KB
metadata.json	3.33 KB	-	-	🔴 ⬆ 0.06 KB

actionmenu

Filename	Head	Minified	Gzipped	Compared to base
index.css	0.84 KB	🆕 0.83 KB	🆕 0.48 KB	🆕 0.84 KB
metadata.json	0.31 KB	-	-	🆕 0.31 KB

🦋 Changeset detected

Latest commit: 2aed50b

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 6 packages

Name	Type
@spectrum-css/actionmenu	Major
@spectrum-css/actionbutton	Minor
@spectrum-css/menu	Patch
@spectrum-css/actiongroup	Patch
@spectrum-css/bundle	Patch
@spectrum-css/preview	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

components/menu/index.css

components/accordion/index.css

castastrophe · 2025-09-02T16:49:20Z

components/coachmark/stories/template.js

 		currentStep = 2,
 		totalStepCount = 8,
 		isOpen = false,
+		alt = "",


Fixing an a11y feedback note from Chromatic.

components/coachmark/stories/template.js

components/combobox/stories/combobox.stories.js

castastrophe · 2025-09-02T16:55:00Z

components/icon/stories/template.js

 	fill,
 	id = getRandomId("icon"),
 	customClasses = [],
+	customStyles = {},


I saw a regression in the icon VRTs where the fill was inheriting to all icons due to the custom property's inheritance.

castastrophe · 2025-09-02T16:55:47Z

components/menu/stories/menu.stories.js

 		labelledby: { table: { disable: true } },
 		items: { table: { disable: true } },
 		role: { table: { disable: true } },
-		subrole: { table: { disable: true } },


Subrole ended up being easier to intuit from the role instead of passing it through from the parent.

castastrophe · 2025-09-02T16:58:15Z

components/menu/stories/menu.test.js

-			)}
-		</ul>
-	`,
+	Template: ({


Letting the template handle this logic because it's a bit duplicative to redefine it here and could lead to mismatches.

castastrophe · 2025-09-02T16:58:36Z

components/menu/stories/menu.test.js

 			testHeading: "No selection, with thumbnails",
 			description: undefined,
-			thumbnailUrl: "thumbnail.png"
+			hasThumbnail: true,


Since thumbnail.png is the default, just the hasThumbnail is sufficient.

castastrophe · 2025-09-02T16:59:21Z

components/menu/stories/template.js

 	isCollapsible = false,
 	label,
 	rootClass,
+	role,


Labels can have roles too! 🥳

castastrophe · 2025-09-02T16:59:48Z

components/menu/stories/template.js

+		return html`
+			<span
+				role=${ifDefined(role)}
+				id=${ifDefined(id)}


Need the id and role for switch labels.

castastrophe · 2025-09-02T17:01:11Z

components/menu/stories/template.js

 		hasExternalLink = false,
 		hasActions = false,
 		id = getRandomId("menuitem"),
+		labelId = getRandomId("menuitem-label"),


label id lets us connect the switch input field with the already present label for the menu item

castastrophe · 2025-09-10T14:20:00Z

components/actionbutton/dist/metadata.json

    "a.spectrum-ActionButton"
  ],
  "modifiers": [
-    "--mod-actionbutton-animation-duration",


Since this is for S2 and we've agreed to remove modifiers, I removed the mods on any lines I needed to update for this change anyway.

castastrophe · 2025-09-19T17:16:43Z

components/actionbutton/index.css

 }

-/* Focus indicator */
-.spectrum-ActionButton {


Just me tidying up a bit by combining these styles in with the initial definition for .spectrum-ActionButton

castastrophe · 2025-09-19T17:18:36Z

components/menu/index.css

-		.spectrum-Menu-itemCheckbox {
-			grid-area: checkmarkArea;
-		}
+	&.is-selectableMultiple:not(:has(.is-selectable)) .spectrum-Menu-itemCheckbox {


Added this not to prevent clash with the is-selectable placement.

rise-erpelding · 2025-09-24T19:51:27Z

components/actionmenu/stories/template.js

 import { Template as Menu } from "@spectrum-css/menu/stories/template.js";
 import { Template as Popover } from "@spectrum-css/popover/stories/template.js";
 import { getRandomId } from "@spectrum-css/preview/decorators";



Should we import the css file here?

OH! Yes great idea. 😜

rise-erpelding · 2025-09-24T20:50:12Z

components/actionmenu/index.css

+
+.spectrum-ActionMenu-popover {
+	/* @passthrough */
+	--spectrum-popover-animation-distance: var(--spectrum-actionmenu-button-to-menu-gap);


It looks like the popover template is setting the transform and overriding the popover CSS. Which makes it look great! But that means it's not using that passthrough to popover from actionmenu/index.css.

Would it work to use --spectrum-popover-animation-distance instead of --spectrum-spacing-100 for the transform in the popover template so this passthrough gets picked up?

Ooooh yes. I will try that!

rise-erpelding · 2025-09-24T20:54:42Z

components/actionmenu/stories/actionmenu.stories.js

+ * Action menu allows users to access and execute various commands or tasks related to their current workflow. It's typically triggered from an action button by user interaction.
+ *
+ * Note that the accessibility roles are different for an action menu compared to a normal menu. The action menu is a combination of a menu, popover, and action button.


I think this might be the same description that appears for the default story as well, we could probably eliminate one of these!

rise-erpelding · 2025-09-24T20:57:52Z

components/actionmenu/stories/actionmenu.stories.js

+ * By default, the menu is opened by pressing the trigger element or activating it via the <kbd>Space</kbd> or <kbd>Enter</kbd> keys. However, there may be cases where the trigger should perform a separate action on press such as selection, and should only display the menu when long pressed. For this use-case, the menu will only be opened when pressing and holding the trigger or by using the <kbd>Option</kbd> (Alt on Windows) + <kbd>Down arrow</kbd>/<kbd>Up arrow</kbd> keys while focusing the trigger.
+ *
+ * This example illustrates the expected visuals and states of the action menu for a trigger with both long press and short press behaviors.
+ */


😍 love this description!

I don't see the long press working here (I can't access the menu for long press), but I don't think we expect it to, is that correct?

Yeah I took a first pass at making the long-press functional and then thought, this feels a little out-of-scope. Do you think it's worth making it work or should I just note that it doesn't work in CSS but does in SWC?

rise-erpelding · 2025-09-25T13:42:56Z

components/coachmark/stories/template.js

I noticed what I thought was maybe a regression for the Media Options story on the Coachmark docs page:

The container has a height being set on it in the customStyles, wondering if removing that would help?

I couldn't figure out what would have introduced it here though, and I assumed it was a regression from something in this branch because I don't see it in the spectrum-two branch preview.

But I do see the same issue when I run spectrum-two locally so I'm wondering if it's something from #4174 maybe, since it looks like that's where the need for some of those explicit dimensions on popover was eliminated?

As a side note, I also have been noticing some weirdness here, but it's inconsistent so I'm not sure what we should do about it. Sometimes when I open the coachmark component story (on local or preview) the height or sometimes width of the component increases infinitely. It doesn't happen every time, but I'm thinking it's triggered if I open the Coachmark Default story after the Action menu story (I was able to replicate in Firefox, Chrome, and Safari).

It also happens in popover, also if I click into the Popover story after Action menu:

Okay, Steph saw some of that too until she'd done a hard refresh. I wonder if it's an inconsistent bug.

rise-erpelding · 2025-09-25T16:09:14Z

components/menu/index.css

I see the accessibility improvements that are mentioned in the changeset for menu but I don't really see updates to some of these other items (forced-colors, focus indicator, cjk), am I looking in the right place?

Menu refinements

Updates @spectrum-css/menu styles to align with latest Spectrum 2 design specifications and improve accessibility.

Focus indicator tokens wired through: width, color, gap/offset, and outline style.

CJK line-height tokens applied for labels, descriptions, and section headers.

External link and drill‑in icon sizing variables exposed; thumbnail sizing and alignment refined.

Forced-colors improvements and readability adjustments.

Non-breaking; no class or DOM changes required.

Hmm I wonder if I pulled some of that back and forgot to update the changeset. I'll double check.

rise-erpelding · 2025-09-25T17:09:48Z

components/actionmenu/index.css

+
+/*
+ * @spectrum-css/actionmenu
+ * This component is a combination of a menu, popover, and action button.


This comment is more related to popover, which wasn't changed in this PR:

I see the button jumping a bit (for bottom-start it moves down and to the right) when I click it, I think it's related to the previous popover positioning (alliteration always!) work and doesn't seem intentional:

Screen.Recording.2025-09-25.at.12.01.12.PM.mov

If I pull down spectrum-two, I can also see the issue there:

Screen.Recording.2025-09-25.at.12.08.30.PM.mov

5t3ph

Not sure if you consider this in-scope but you called it out for testing - maybe for the compact action group the focus radius should be reduced?

5t3ph · 2025-09-23T21:15:27Z

components/actionbutton/index.css

-	&.is-selected {
+	/* expanded is specific to action menu when the menu is open */
+	&:where(.is-selected, [aria-pressed="true"], [aria-expanded="true"]) {
 		--mod-actionbutton-background-color-default: var(--mod-actionbutton-background-color-default-selected, var(--spectrum-neutral-background-color-selected-default));


Should this update component properties instead of mods, or is it a case where it hits an issue going into SWC environment?

Either way - a good case to flag for our upcoming discussions around this 👍

That said - I also don't see this change in the Action Menu tokens, possibly because "selected" is a different state/intent than "expanded"? Should we double-check with design if this should take on the darker background?

Yes, action button should be our first attempt to introduce layers I suspect because it is riddled with specificity battles and often hooking the modifiers was the only way to ensure properties updated in context.

5t3ph · 2025-09-25T20:02:09Z

components/actionmenu/stories/actionmenu.stories.js

+};
+
+/**
+ * Action menus can be positioned in four locals relative to the trigger but <u>only one menu can be triggered at a single time</u>.


[nit] perhaps switch to <em> since underlines usually indicate a link?

Great point! Updating this now.

castastrophe changed the title ~~feat(action-menu): S2 migration~~ feat(action-menu): S2 migration [CSS-1160] Jul 29, 2025

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castastrophe added size-2 S ~6-18hrs; not hard or time consuming, one or two work days to complete. wip This is a work in progress, don't judge. run_vrt For use on PRs looking to kick off VRT S2 Spectrum 2 labels Aug 4, 2025

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feat(actionmenu): migrate to s2 tokens and styling

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feat(action-menu): S2 migration [CSS-1160] #4085

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feat(action-menu): S2 migration [CSS-1160] #4085

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castastrophe commented Jul 29, 2025 • edited Loading Uh oh! There was an error while loading. Please reload this page.

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Description

How and where has this been tested?

Validation steps

Screenshots

To-do list

Notes for reviewers

References

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Summary

actionbutton

actiongroup

actionmenu

menu

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castastrophe commented Jul 29, 2025 •

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