Agent-Skills.md

Agent Skills: BlazorBlueprint UI

Comprehensive Blazor component library based on shadcn/ui design with 88 components (15 headless Primitives, 73 pre-styled Components), 1,640+ Lucide icons, and chart library. Use when building Blazor web applications that need UI components like forms (buttons, inputs, date pickers, tables), navigation (tabs, menus, sidebars), overlays (dialogs, sheets, tooltips, popovers), displays (avatars, badges, alerts, skeletons), charts (bar, line, area, pie, radar, radial), or when working with shadcn/ui-style Blazor components. Supports both controlled/uncontrolled state patterns, composition-based component structure, and dark mode.

UncategorizedID: arisng/github-copilot-fc/blazor-blueprint-ui

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arisng/github-copilot-fc
arisng
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skills/blazor-blueprint-ui/SKILL.md

Skill Metadata

Name
blazor-blueprint-ui
Description
Build and customize .NET 8+ Blazor UIs with BlazorBlueprint. Use when choosing between BlazorBlueprint.Components and BlazorBlueprint.Primitives, wiring setup and providers, using ToastService/DialogService/localization, selecting icon packs, applying shadcn-ui-style theming, or copying and adapting BlazorBlueprint blueprints.

BlazorBlueprint UI

Build modern Blazor web applications using the current BlazorBlueprint component library.

Repository: https://github.com/blazorblueprintui/ui Documentation: https://blazorblueprintui.com Original Source: https://blazorblueprintui.com/llms.txt Full Bundle: https://blazorblueprintui.com/llms/llms-full.txt

Examples in the refreshed references use the official upstream Bb* naming.

Package Overview

Core packages:

  • BlazorBlueprint.Components - Styled component library; includes primitives
  • BlazorBlueprint.Primitives - Headless accessibility and behavior layer
  • BlazorBlueprint.Icons.Lucide - Lucide icon pack
  • BlazorBlueprint.Icons.Heroicons - Heroicons pack
  • BlazorBlueprint.Icons.Feather - Feather icon pack

Quick Navigation

Setup & Installation

Read references/setup.md for:

  • NuGet installation and service registration
  • CSS, imports, and provider setup
  • BbPortalHost, BbToastProvider, and BbDialogProvider
  • Theme variables and dark mode
  • Verification and troubleshooting

Services & Localization

Read references/services.md for:

  • AddBlazorBlueprintComponents() vs AddBlazorBlueprintPrimitives()
  • ToastService and DialogService
  • provider requirements and programmatic dialog usage

Read references/localization.md for:

  • IBbLocalizer and startup string overrides
  • IStringLocalizer integration patterns
  • culture-sensitive component text and formatting

Icons

Read references/icons.md for icon component usage and styling guidance.

Blueprints & Primitives

Read references/blueprints.md for:

  • category routing across auth, sidebar, apps, dashboards, forms, data, marketing, and ecommerce
  • the upstream blueprint catalog and per-category files
  • copy/adapt workflow for production-shaped screens

Read references/primitives.md for:

  • when to stay on BlazorBlueprint.Components
  • when to switch to BlazorBlueprint.Primitives
  • headless behavior and custom design-system guidance

Common Patterns

Read references/patterns.md for:

  • controlled vs uncontrolled state
  • EditForm + BbField conventions
  • root provider patterns
  • dashboard / app shell defaults
  • blueprint-first acceleration

Component Categories

Form Components

Read references/components-forms.md for:

  • text, typed, and structured inputs
  • selection controls and searchable selection
  • date/time and OTP flows
  • uploads, editors, and advanced inputs
  • form sections, wizards, and dynamic forms

Layout & Navigation Components

Read references/components-layout.md for:

  • sidebars, responsive nav, navigation menus, and breadcrumbs
  • cards, tabs, accordions, and collapsible content
  • resizable work areas, scroll areas, separators, and aspect-ratio containers
  • routing guidance for shells vs display/data surfaces

Overlay Components

Read references/components-overlays.md for:

  • dialogs, alert dialogs, sheets, drawers, and popovers
  • menus, tooltips, hover cards, and command surfaces
  • DialogService and ToastService usage
  • provider and portal requirements

Display & Data Components

Read references/components-display-data.md for:

  • alerts, badges, avatars, shortcuts, loading states, and empty states
  • items, timelines, typography, and carousel-style presentation
  • BbDataTable, BbDataGrid, and BbDataView routing
  • dashboard/data-screen guidance

Chart Components

Read references/components-charts.md for:

  • the current Apache ECharts-based chart stack
  • BbChart composite charts and ChartConfig
  • dedicated bar, line, area, pie, radial bar, gauge, radar, and scatter charts
  • BbChartContainer and chart theming

Key Architecture Patterns

Controlled vs uncontrolled state

Uncontrolled:

<BbTabs DefaultValue="overview">...</BbTabs>

Controlled:

<BbTabs @bind-Value="currentTab">...</BbTabs>

Composition pattern

<BbCard>
    <BbCardHeader><BbCardTitle>Title</BbCardTitle></BbCardHeader>
    <BbCardContent>Content</BbCardContent>
    <BbCardFooter>Actions</BbCardFooter>
</BbCard>

AsChild pattern

<BbDialog>
    <BbDialogTrigger AsChild>
        <BbButton Variant="ButtonVariant.Destructive">Delete</BbButton>
    </BbDialogTrigger>
    <BbDialogContent>...</BbDialogContent>
</BbDialog>

Portal and provider pattern

Overlay components render through BbPortalHost. App-wide toasts and service-driven dialogs also need BbToastProvider and BbDialogProvider in the root layout.

Known Pitfalls

These are hard-won constraints — check them before generating any BB component code:

  1. No unmatched attribute capture — BB components do not accept arbitrary HTML attributes (@onclick, style, class, etc.) and will throw at runtime. Wrap with a native element instead. See patterns.md § No unmatched attribute capture.

  2. Tailwind subset only — BB ships only the utilities its own components use; writing other Tailwind classes silently has no effect. Add missing utilities as custom CSS. See setup.md § Tailwind subset limitation.

  3. Lucide icon names change — Several names have been renamed upstream (e.g. check-circle → circle-check, home → house). A broken icon renders ⚠️. Verify names at https://blazorblueprintui.com/llms/icons/lucide.txt. See icons.md § Renamed icons.

  4. Auth pages are SSR-only — Login/signup blueprints use [ExcludeFromInteractiveRouting]. Use HTML form POST + [SupplyParameterFromForm]; do not add @rendermode InteractiveServer. See blueprints.md § Auth pages and SSR.

  5. BbProvider must be the outermost wrapper — Bootstrap order in App.razor matters: <BbProvider> wraps everything. See setup.md § App.razor bootstrap order.

Workflow

  1. Read setup.md for installation and providers.
  2. Choose components vs primitives before building custom shells or behavior-heavy surfaces.
  3. Pick a category: forms, layout/navigation, overlays, display/data, or charts.
  4. Load patterns.md when composing multiple surfaces together.
  5. Load blueprints.md when you need a production-shaped screen quickly.
  6. Style through theme variables and validate dark mode.

When to Load References

  • setup.md: first-time setup, providers, theming, dark mode, icons import questions
  • services.md: DI registration differences, ToastService, DialogService, provider requirements
  • localization.md: label overrides, IBbLocalizer customization, culture-sensitive component text
  • blueprints.md: rapid auth, sidebar, dashboard, data, marketing, or ecommerce screen scaffolding
  • primitives.md: headless composition, custom design systems, or behavior-only reuse
  • components-forms.md: editing flows, validation, selection, wizards, schema-driven forms
  • components-layout.md: shells, responsive navigation, cards, tabs, resizable work areas
  • components-overlays.md: dialogs, menus, tooltips, command palettes, toasts
  • components-display-data.md: alerts, status display, tables, grids, data views, empty/loading states
  • components-charts.md: dashboards, KPI visuals, mixed/composite chart composition
  • patterns.md: cross-component conventions and blueprint-first workflows

Blueprints and Primitives

  • Blueprints provide ready-to-copy compositions for auth, sidebar shells, dashboards, forms, data screens, marketing, and ecommerce. Read references/blueprints.md for category routing and upstream blueprint entry points.
  • Primitives are the headless layer for advanced users who want BlazorBlueprint behavior without the styled component surface. Read references/primitives.md when markup ownership matters more than the default component styling.