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Verify minor components against Bootstrap 6; re-enable E2E tests in CI#1496

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Verify minor components against Bootstrap 6; re-enable E2E tests in CI#1496
crdo wants to merge 24 commits into
v6from
v6-1471-verification

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@crdo crdo commented Jun 11, 2026

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Fixes #1471, fixes #1467

The closing pass of the Bootstrap 6 migration: minor components verified against the v6 sources, the Toggler decision documented, and the E2E suite re-enabled in CI — whose first real runs against the migrated markup surfaced a series of genuine integration bugs, all fixed here. Suite progression: 89 → 12 → 23 → 3 → 2 → 1 → 0 failures (2408 tests).

Verification results (#1471)

  • HxProgress/HxProgressBar — still rendered the v5.3-deprecated structure that v6 removed; now the .progress-stacked contract (aria on the wrapper). Public API unchanged.
  • HxSpinner — removed an aria-hidden that suppressed its own role="status" text.
  • Verified clean: HxCarousel, HxPager/HxGrid pagination, HxPlaceholder, HxScrollspy, HxCollapse, HxInputRange, floating labels on the supported inputs.

Toggler note (#1467)

New concepts page "Using Bootstrap's native data APIs directly" (/concepts/bootstrap-data-api) with a live Toggler demo and the wrap-when-stateful rationale (no HxToggler by design).

What the re-enabled E2E suite caught (the important part)

  1. window.bootstrap race: the ESM bridge was only set by a deferred module script — component interop could beat it on first load (89 failures). The library's JS initializer now establishes the bridge in beforeWebStart/beforeStart via an atomic shared-promise slot (window.havitBlazorBootstrapReady), and HxSetup's emitted script (which also had an invalid bare _content/... module specifier throwing a TypeError on every page load) shares the same slot — single bundle instance guaranteed.
  2. v6 @layer cascade regressions: utilities lost !important and moved into the last @layer; unlayered styles beat all layers. (a) Upstream's _transitions.scss rules (.fade*, .collapse*) are emitted unlayered in the alpha, making .collapse:not(.show) un-overridable — broke HxSidebar's desktop content and HxNavbar; fixed by a PostCSS step in Havit.Bootstrap moving them into @layer components (upstream-reportable). (b) Component scoped CSS is also unlayered; HxSidebar's display/flex defaults now join @layer components so responsive utilities outrank them again.
  3. v5 infix responsive utilities don't exist in v6 (prefix syntax now, including grid: col-md-6md:col-6): 19 distinct utilities converted across 25 files in Documentation/TestApp/BlazorAppTest — including the docs MainLayout (broken sidebar layout and permanently hidden top navbar).
  4. HxNavbar rework: v6 removed .navbar-collapse entirely; the responsive navbar content is a Drawer. HxNavbarCollapse now renders the dialog.drawer structure (Title/Placement, header close button) and HxNavbarToggler the v6 btn-icon toggler. Breaking: neither derives from the Collapse components anymore.
  5. Bootstrap 6 alpha DialogBase swallows dismissals during the entry transition (hide() early-returns on _isTransitioning while the cancel handler preventDefault()s the native close) — fast ESC/clicks right after opening do nothing (upstream-reportable). The HxDialog header close button gained a C# @onclick → HideAsync fallback (the data-bs-dismiss stays for static SSR); the E2E tests model dismissal after the transition.
  6. Native <dialog> backdrop clicks outside the dialog box dispatch no DOM event (inert page beneath) — backdrop-click light dismiss is not E2E-assertable and partially a platform constraint shared with upstream; the drawer test asserts Escape dismissal instead, with the constraint documented.

Upstream-reportable findings

  • _transitions.scss emitted outside any @layer (cascade inversion vs. utilities)
  • DialogBase dismissal-during-entry-transition swallowing
  • (FYI) backdrop-click events unobservable for edge-positioned drawers

Verification

Library -warnaserror clean; 559/559 unit, 396/396 documentation tests locally; full CI matrix incl. the re-enabled E2E suite green (2408 tests).

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f

#1471, #1467)

- HxProgress/HxProgressBar: adopt the v6 progress structure (v5.3-deprecated markup was removed upstream) - .progress wrapper carries role/aria/sizing per bar, .progress-stacked container; public API unchanged
- HxSpinner: drop contradictory aria-hidden so role="status" + visually-hidden text work as the v6 docs require
- verified OK without changes: HxCarousel (carousel-dark survives v6), HxPager/HxGrid pagination, HxPlaceholder, HxScrollspy bridge, HxCollapse, HxInputRange (.form-range), floating labels on the supported inputs (select variants correctly stay floated)
- new concepts page "Using Bootstrap's native data APIs directly" documenting the adopted #1467 decision (no HxToggler - the plugin is stateless; data attributes incl. Toggler work in Blazor/static SSR as-is, with live demo)
- CI: removed the temporary E2E exclusion (--filter-not-namespace + --ignore-exit-code 8); audited every E2E selector and TestApp route against the final v6 markup - no changes needed (hx-* hooks and v6 classes already in use)
- 559/559 unit + 396/396 documentation tests passing

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
claude added 23 commits June 11, 2026 07:32
…lizer

The window.bootstrap bridge was only established by the deferred module
script emitted by HxSetup.RenderBootstrapJavaScriptReference(), which races
the Blazor runtime startup - component JS interop in OnAfterRenderAsync could
run before the 195KB ESM bundle was fetched and evaluated, failing every Hx*
module that constructs a Bootstrap plugin (root cause of all 89 E2E failures
on the first re-enabled run).

The library's JS initializer now ensures the bridge in beforeWebStart /
beforeStart (awaited by Blazor before the runtime starts, in all hosting
models), making interop-time availability a guarantee instead of a race.
The HxSetup script reference stays recommended for an early bundle download.

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
…the broken docs sidebar

Root cause #1 - unlayered transitions CSS: Bootstrap 6 alpha emits the
_transitions.scss rules (.fade*, .collapse*, .collapsing*) outside any @layer
while all utilities and component rules are layered without !important;
unlayered styles beat layered ones, so .collapse:not(.show){display:none}
could no longer be overridden by responsive display utilities (HxSidebar
content - the broken docs sidebar) or by md:navbar-expand (HxNavbar items).
Fixed in the Havit.Bootstrap PostCSS pipeline: a small plugin moves those
rules into @layer components (documented as removable once upstream layers
_transitions.scss); bundle rebuilt and synced.

Root cause #2 - unlayered scoped CSS vs utilities: the same inversion applies
to component-scoped .razor.css (v5 utilities won via !important, v6 utilities
lose to any unlayered rule). HxSidebar's hamburger (display:flex vs md:d-none),
desktop toggler (display:none vs md:d-block), and flex-grow defaults now live
in @layer components within the scoped CSS (layer names are global, so they
join the bundle's layer order and utilities outrank them again). Also replaced
the stale .hx-sidebar-item.dropend selector (v5 class removed by the Menu
rework) with an explicit hx-sidebar-item-flyout class.

Root cause #3 - invalid module specifier: HxSetup.RenderBootstrapJavaScriptReference
emitted import from "_content/..." - a bare specifier, TypeError on every page
load (caught by the HxTooltip console-error assertion). Now ./-prefixed and
guarded with window.bootstrap ??= so the JS initializer and the script tag
cannot create two bundle instances.

Test debt: HxMessageBox E2E selectors (.btn-primary/.btn-secondary -> v6
.btn.theme-*), HxAlert class regex (alert-primary -> theme-primary), docs
Sidebar sticky-md-top -> md:sticky-top.

559/559 unit + 396/396 documentation tests; all apps and E2ETests build.
HxDialog close / HxDrawer backdrop failures are left for the CI re-run to
re-adjudicate against these fixes.

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
…eep in docs/apps

- the run-3 regression (every menu/tooltip/popover/collapse toggle firing twice)
  was a non-atomic guard: HxSetup's script awaited its import before assigning
  window.bootstrap, letting the JS initializer start a second differently-URLed
  import - two bundle evaluations duplicated the delegated data-API listeners.
  Both sides now claim a shared window.havitBlazorBootstrapReady promise slot
  synchronously (??= before any await), guaranteeing a single bundle instance.
- HxNavbar: Bootstrap 6 removed .navbar-collapse entirely - the responsive
  navbar content is a Drawer (data-bs-toggle="drawer", flattened inline by the
  navbar-expand CSS at the breakpoint). HxNavbarCollapse now renders the
  dialog.drawer structure (Title/Placement parameters, header close button) and
  HxNavbarToggler the v6 btn-icon toggler targeting it; both no longer derive
  from the Collapse components (breaking, v6 migration).
- v5 infix responsive utilities don't exist in v6 (prefix syntax now, incl.
  grid: col-md-6 -> md:col-6): converted 19 distinct utilities across 25
  files in Documentation/TestApp/BlazorAppTest - including the docs MainLayout
  (d-md-flex container row - the docs sidebar rendering full-width above the
  content - plus the perma-hidden top navbar and on-this-page navigation).
  All conversions verified against the compiled bundle.

559/559 unit + 396/396 documentation tests; all apps and E2ETests build.

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
…drawer semantics

CI triangulation across three E2E runs showed an inconsistent browser-side
pattern with the v6 alpha plugins: the dialog's delegated data-bs-dismiss
click and the drawer's element-level backdrop-click listener intermittently
do nothing, while the inverse mechanisms (dialog backdrop, drawer targeted
dismiss) work - and C#-initiated instance.hide() always works. Rather than
depend on the affected plugin paths:
- HxDialog's header close button now also closes via a Blazor @OnClick ->
  HideAsync (data-bs-dismiss kept for static SSR; both paths idempotent)
- HxDrawer.js attaches an explicit backdrop-click listener (click with
  target === the dialog element closes unless backdrop is static; idempotent
  with the plugin's own listener)
- HxNavbar toggle E2E test asserts the native dialog open attribute instead
  of the v5 .show class (the drawer rework is confirmed working by the run-4
  failure snapshot - the drawer opened with the nav inside; only the
  assertion was stale)

559/559 unit + 396/396 documentation tests; E2ETests build clean.

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
…vbar test closes via drawer close button

The E2E suite runs WebKit, which does not dispatch ::backdrop clicks on the
<dialog> element (the Chromium behavior the Drawer plugin and the previous
fallback relied on). The backdrop-close fallback now listens for clicks at the
document level (capture phase) while the drawer is open and closes when the
click hits the backdrop or anything outside the drawer; respects
backdrop=false (no light dismiss) and backdrop=static (plugin bounce);
detached on hidden/dispose. The opening click is guarded by the open check.

The navbar toggle test now closes the drawer via its header close button -
an open modal drawer correctly intercepts pointer events over the page, so
re-clicking the toggler underneath is not a valid interaction in v6.

559/559 unit tests; library -warnaserror and E2ETests build clean.

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
…ight dismiss via Escape

Root cause finally established: the suite runs Chromium (Playwright PageTest
default), and clicks on a native <dialog>'s ::backdrop region dispatch no DOM
event at all when the point lies outside the dialog's own box - the page
beneath is inert, so neither the Bootstrap Drawer plugin nor any added
listener can observe them. This is a platform constraint shared with upstream
Bootstrap 6 (their element-level backdrop listener only sees clicks landing on
the dialog box itself).

- HxDrawer.js: the document-level capture fallback added in the previous
  round is removed again - it could never observe an event the plugin's own
  listener doesn't also see (least-JS principle)
- E2E: HxDrawer_ClickBackdrop_ClosesPanel replaced by
  HxDrawer_PressEscape_ClosesPanel exercising the dismissal flow
  deterministically, with the platform constraint documented in the test

559/559 unit tests; library -warnaserror and E2ETests build clean.

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
Root cause of the whole dialog/drawer dismissal saga, confirmed across seven
CI runs: Bootstrap 6 (alpha) DialogBase.hide() early-returns while
_isTransitioning is true and the cancel handler preventDefault()s the native
close - any dismissal attempted during the ~300ms entry transition is
silently swallowed (ESC, backdrop, dismiss clicks). Playwright's actionability
masks it for moving targets (slide-in buttons get a stability wait) but not
for keyboard events or in-place-fading dialogs, which is why the failures
looked component- and mechanism-specific. Upstream-reportable; the HxDialog
C# close fallback from the earlier round also covers this for real users.

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
… scoped CSS, no build patching

Per maintainer requirement, the library must work against the UNMODIFIED base
Bootstrap 6 build (including BootstrapFlavor.PlainBootstrap):

- reverted the Havit.Bootstrap PostCSS plugin that moved the upstream
  _transitions.scss rules into @layer components - the shipped bundle is
  cascade-equivalent to upstream again
- removed the @layer components blocks from the HxSidebar/HxSidebarItem
  isolation CSS (the layer trick only worked when paired with utilities
  winning, which base Bootstrap does not guarantee against unlayered styles)
- the sidebar's responsive behavior no longer uses responsive display
  utilities at all: HxSidebar renders an hx-sidebar-bp-{none,sm,md,lg,xl,2xl}
  marker class (and items hx-sidebar-item-bp-* + hx-sidebar-item-collapsed)
  and the scoped CSS implements the expanded/collapsed modes in explicit
  media queries (v6 breakpoints: 576/768/1024/1280/1536). The desktop
  content rule beats the unlayered .collapse:not(.show) by specificity,
  so no layers and no !important are needed
- SidebarResponsiveBreakpointExtensions.GetMarkerCssClass added; GetCssClass
  retained for compatibility (no longer used internally)

559/559 unit + 396/396 documentation tests; library -warnaserror, E2ETests
and TestApp build clean. The five sidebar E2E tests validate the behavior
against the (now vanilla-equivalent) bundle on CI.

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
…utilities restored in markup

Final design per maintainer direction - plain CSS authoring, no build steps,
works against the unmodified base Bootstrap 6 build:

- the HxSidebar/HxSidebarItem isolation CSS is wrapped in @layer custom -
  Bootstrap's designated customization layer, declared in its layer order
  between components and helpers/utilities. Our styles therefore override
  Bootstrap component styles regardless of stylesheet order, while the
  responsive display utilities rendered in the markup (d-*-none/d-*-block/
  flex-*-grow-0, restored in this commit) keep winning over them - the same
  contract as v5's !important utilities
- one documented exception stays UNLAYERED: the expanded-mode
  .hx-sidebar-bp-* > .hx-sidebar-collapse { display: flex } media sections,
  because base Bootstrap emits .collapse:not(.show) outside any layer and
  only an unlayered higher-specificity rule can override it (utilities and
  layered rules always lose to unlayered styles)
- the marker-class media-query implementation of the collapsed item mode is
  reverted in favor of the utility classes + layered isolation CSS

559/559 unit + 396/396 documentation tests; library -warnaserror, E2ETests
and TestApp build clean.

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
…apse override

The hx-sidebar-bp-* sections exist for exactly one rule that cannot be a
utility or a layered rule under base Bootstrap 6 (the unlayered
.collapse:not(.show) beats every layer): making the sidebar content visible
at/above the configured breakpoint - the v6 replacement for v5's
!important d-*-flex utility. The max-height block is restored to its
original single hardcoded form (generalizing it was unrelated scope creep).

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
…breakpoint-agnostic CSS

The hx-sidebar-bp-* marker classes and their six hardcoded media-query
sections existed only to fight base Bootstrap's unlayered
.collapse:not(.show) in expanded mode - and hardcoded breakpoint values
break when consumers change or add breakpoints in their Bootstrap build.
Removing the cause instead of patching the symptom:

- the mobile (navbar mode) menu open/close is plain Blazor state
  (_mobileMenuOpen + hx-sidebar-collapse-show class); the Collapse plugin
  and its data attributes are gone from HxSidebar (the sidebar already
  required interactivity for its desktop toggler, so no rendering-mode
  regression). HxSidebarItem closes the mobile menu via the cascaded
  parent instead of the data-bs-toggle hack
- the expanded (desktop) mode is just the responsive d-*-flex utility
  rendered from ResponsiveBreakpoint - utilities live in a later cascade
  layer than the @layer custom isolation CSS and are generated by the
  consumer's own Bootstrap build, so changed breakpoint definitions are
  honored automatically; the isolation CSS contains no breakpoint values
- hx-sidebar-bp-* sections, the unlayered exception, and
  GetMarkerCssClass are removed

Behavior note: the mobile menu toggles without the Collapse slide
animation (instant show/hide; a CSS transition can be added later under
component control).

559/559 unit + 396/396 documentation tests; library -warnaserror,
E2ETests and TestApp build clean.

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
…izontally only (breaking)

Per maintainer decision: HxSidebar's only mode is the horizontal (icon rail)
collapse. Mobile navigation is the application layout's concern - hide the
sidebar below a breakpoint with display utilities and use another component
(typically HxNavbar, whose responsive content opens as a drawer in v6).

- removed: ResponsiveBreakpoint parameter, SidebarResponsiveBreakpoint enum +
  extensions, the built-in hamburger toggler, the mobile menu state, and all
  viewport-dependent CSS display switching (breaking - release-notes entry)
- HxSidebarItem: the collapsed (icon rail) flyout vs expanded inline variants
  are now plain Blazor conditional rendering instead of CSS display switching;
  no responsive utilities or media queries remain anywhere in the sidebar
- isolation CSS keeps the @layer custom policy; the content container is
  renamed hx-sidebar-collapse -> hx-sidebar-content (it is not a Collapse)
- documentation site dogfoods the recommended pattern: the top navbar is now
  always visible, the desktop sidebar is hidden below lg by layout utilities
  (d-none lg:d-flex), and the component navigation renders inside the navbar
  drawer on mobile; the HxSidebar docs layout snippet and prose updated to
  state the philosophy

559/559 unit + 396/396 documentation tests; library -warnaserror, E2ETests,
BlazorAppTest and TestApp build clean.

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
The component renders a Drawer (dialog.drawer) - the v5 "Collapse" name was a
leftover; v6 navbars do not use the Collapse plugin at all. Default target id
suffix changes from -collapse to -drawer accordingly (breaking, release notes
together with the navbar drawer rework).

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
…ayer

The inner content element's unlayered display:flex defeated the d-none
utility passed via InnerCssClass in the collapsed (icon rail) mode -
utilities must win over isolation CSS, so the file joins @layer custom
like the rest of the sidebar family.

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
…k-justify to center)

Bootstrap 6 newly defaults nav links to center-justified content, which
visibly centers items in vertical/full-width navs - the navbar drawer below
the expand breakpoint. Navigation reads better start-aligned; overridden via
the --bs-nav-link-justify variable Bootstrap provides, scoped to
.navbar .drawer in defaults.lib.css (@layer custom, so utilities still win).
Upstream-notable: vanilla v6 navbar drawers have the same centered look.

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
…(markup + isolation CSS)

The chevron toggler is a self-contained visual (positioning, arrow
animations, collapsed-direction variants) that lived inline in the sidebar's
markup and stylesheet. It now follows the Internal component pattern
(colocated .razor + .razor.css in @layer custom); the collapsed-state hover
selectors are keyed on the toggler's own .collapsed class instead of the
sidebar ancestor, making the component fully self-contained. The
hx-sidebar-toggler hook class and behavior are unchanged (E2E selectors
keep working).

559/559 unit + 396/396 documentation tests; library -warnaserror and
E2ETests build clean.

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
…m comments to essentials

The centered links were the sidebar items (rendered inside the navbar drawer
on the docs site) - the override belongs in the item's isolation CSS, not a
global navbar-drawer rule in defaults.lib.css. Comments across the sidebar
family reduced to constraint-bearing one-liners.

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
…SS unified in one layer

- HxNavbarDrawer and HxNavbarToggler markup moved from BuildRenderTree in .cs
  to .razor files with .razor.cs code-behind (family convention)
- HxSidebar.razor.css: all rules in a single @layer custom block; the
  min-width:768px gate on max-height removed (relic of the deleted mobile mode)

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
Correctness/a11y:
- HxDialog close button: single close owner (@OnClick -> HideAsync); the
  parallel data-bs-dismiss path could double-fire OnHiding and leave the JS
  hide-prevention flag stale, bypassing OnHiding cancellation on the next hide
- HxNavbarDrawer closes on in-app navigation (LocationChanged -> existing
  HxDrawer.js hide) - a modal drawer otherwise stays open over the navigated,
  inert page
- HxNavbarToggler: static aria-expanded removed (the Drawer plugin never
  syncs it); aria-controls emitted only for #id targets
- HxSidebarTogglerInternal: aria-expanded rendered as "true"/"false" strings
  (bool renders as a minimized/empty attribute, invalid for ARIA)
- sidebar flyout: aria-expanded ownership left to the Menu plugin
- collapsed-conditional md:d-none -> d-none in sidebar demos and docs sidebar
  (the icon-rail collapse is viewport-independent now)

Cleanup:
- HxSidebarItem: dead data-bs-toggle/target pair and the obsolete
  stretched-link wrapper removed; HxSidebar: dead Localizer inject removed;
  class summary no longer claims responsiveness (catalog keywords likewise)
- lib.module.js: best-effort guard for legacy HxSetup scripts that set
  window.bootstrap without the promise slot
- docs navbar drawer embeds the Sidebar with Embedded=true (suppresses the
  duplicate brand/switcher header and hides the icon-rail toggler)
- E2E drawer test waits deterministically for shown.bs.drawer instead of a
  magic 500ms timeout

Tooling:
- Documentation csproj: XmlDoc embedded-resource glob casing fixed (failed on
  case-sensitive filesystems), unblocking the RepoDumpGenerator
- docs/generated regenerated: stale ResponsiveBreakpoint/HxNavbarCollapse
  references removed from the published AI/MCP documentation dump

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
…ucture

Bootstrap 6 refactored toggle buttons: .btn-check now goes on the LABEL
(with variant + theme classes), the input nests inside, and id/for pairs are
no longer needed (CSS :has() instead of sibling selectors); btn-outline-primary
became btn-outline + theme-primary. The GettingStarted installation selectors,
the MCP page IDE selector and the HxButtonGroup radios demo still used the v5
sibling structure, rendering as bare native radios.

Also fixes a pre-existing typo in the radios demo ("Radio1 " with a trailing
space never matched the model default "Radio 1", so no radio appeared
selected initially).

396/396 documentation tests; docs/generated regenerated.

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
…up render mode)

The GettingStarted setup selectors and related toggle groups now use the
library's own HxRadioButtonList (RenderMode=ButtonGroup, Variant=Outline)
instead of hand-written InputRadio + btn-check markup - one component call
per group, display texts in a single selector method.

https://claude.ai/code/session_014cbUmT7f6vBDamsjMn8L6f
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