Code Snippet Playground

Installation

Variants

Schema

Type aliases exported from this item's source. Use these to shape the data you pass in.

interface CodeSnippetPlaygroundFile {
  id: string
  name: string
  path: string
  language: string
  size: string
  content: string
}

interface CodeSnippetPlaygroundTestLog {
  id: string
  name: string
  duration: string
  status: 'pass' | 'fail'
}

Files installed (2)

• src/app/components/blocks/code-snippet-playground/code-snippet-playground.component.ts34.9 kB

  Copy

  // Edit this file to change the files shown in the editor, the test log or the copy.
  // Everything is mocked: "Run Code" (or Cmd/Ctrl+Enter) replays the Vitest run after 480ms.
  import { Component, DestroyRef, Input, computed, inject, signal, ChangeDetectionStrategy } from '@angular/core'
  import {
    Braces,
    Check,
    CheckCircle2,
    Code2,
    Copy,
    Eye,
    FileCode,
    Layers,
    Loader2,
    LucideAngularModule,
    Play,
    RotateCcw,
    Terminal,
    Zap,
    type LucideIconData,
  } from 'lucide-angular'
  import { cn } from '@/lib/utils'
  import { UiBadgeComponent } from '@/ui/badge/badge.component'
  import { UiButtonComponent } from '@/ui/button/button.component'
  import {
    UiCardComponent,
    UiCardDescriptionComponent,
    UiCardHeaderComponent,
    UiCardTitleComponent,
  } from '@/ui/card/card.component'
  import { UiSeparatorComponent } from '@/ui/separator/separator.component'
  import {
    UiTabsComponent,
    UiTabsContentComponent,
    UiTabsListComponent,
    UiTabsTriggerComponent,
  } from '@/ui/tabs/tabs.component'
  
  export interface CodeSnippetPlaygroundFile {
    id: string
    name: string
    path: string
    language: string
    size: string
    content: string
  }
  
  export interface CodeSnippetPlaygroundTestLog {
    id: string
    name: string
    duration: string
    status: 'pass' | 'fail'
  }
  
  const files: CodeSnippetPlaygroundFile[] = [
    {
      id: 'button-tsx',
      name: 'Button.tsx',
      path: 'packages/registry-react/components/button/Button.tsx',
      language: 'typescript',
      size: '1.1 KB',
      content: `import * as React from 'react'
  import { Slot } from '@radix-ui/react-slot'
  import { cn } from '@/lib/utils'
  import { buttonVariants, type ButtonVariants } from './button.variants'
  
  export interface ButtonProps
    extends React.ButtonHTMLAttributes<HTMLButtonElement>,
      ButtonVariants {
    asChild?: boolean
  }
  
  const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
    ({ className, variant, size, asChild = false, type = 'button', ...props }, ref) => {
      const Comp = asChild ? Slot : 'button'
      return (
        <Comp
          data-slot="button"
          data-variant={variant ?? undefined}
          data-size={size ?? undefined}
          className={cn(buttonVariants({ variant, size }), className)}
          {...(asChild ? {} : { type })}
          ref={ref}
          {...props}
        />
      )
    },
  )
  Button.displayName = 'Button'
  
  export { Button }`,
    },
    {
      id: 'button-variants',
      name: 'button.variants.ts',
      path: 'packages/registry-react/components/button/button.variants.ts',
      language: 'typescript',
      size: '1.4 KB',
      content: `import type { VariantProps } from 'class-variance-authority'
  import { cva } from 'class-variance-authority'
  
  export const buttonVariants = cva(
    'inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg:not([class*="size-"])]:size-4 shrink-0',
    {
      variants: {
        variant: {
          default: 'bg-primary text-primary-foreground shadow-xs hover:bg-primary/90',
          destructive: 'bg-destructive text-white shadow-xs hover:bg-destructive/90',
          outline: 'border border-input bg-background shadow-xs hover:bg-accent hover:text-accent-foreground',
          secondary: 'bg-secondary text-secondary-foreground shadow-xs hover:bg-secondary/80',
          ghost: 'hover:bg-accent hover:text-accent-foreground',
          link: 'text-primary underline-offset-4 hover:underline',
        },
        size: {
          default: 'h-9 px-4 py-2',
          sm: 'h-8 rounded-md px-3 text-xs',
          lg: 'h-10 rounded-md px-6',
          icon: 'size-9',
        },
      },
      defaultVariants: {
        variant: 'default',
        size: 'default',
      },
    },
  )
  
  export type ButtonVariants = VariantProps<typeof buttonVariants>`,
    },
    {
      id: 'index-ts',
      name: 'index.ts',
      path: 'packages/registry-react/components/button/index.ts',
      language: 'typescript',
      size: '220 B',
      content: `export { Button, type ButtonProps } from './Button'
  export { buttonVariants, type ButtonVariants } from './button.variants'`,
    },
    {
      id: 'button-test',
      name: 'button.test.tsx',
      path: 'packages/registry-react/components/button/__tests__/button.spec.tsx',
      language: 'typescript',
      size: '1.7 KB',
      content: `import { describe, it, expect, vi } from 'vitest'
  import { render, screen, fireEvent } from '@testing-library/react'
  import { Button } from '../Button'
  
  describe('Button Primitive', () => {
    it('renders default button with children text', () => {
      render(<Button>Submit</Button>)
      const btn = screen.getByRole('button', { name: /submit/i })
      expect(btn).toBeInTheDocument()
      expect(btn).toHaveAttribute('data-slot', 'button')
    })
  
    it('applies variant classes correctly', () => {
      render(<Button variant="destructive">Delete</Button>)
      const btn = screen.getByRole('button', { name: /delete/i })
      expect(btn).toHaveAttribute('data-variant', 'destructive')
      expect(btn.className).toContain('bg-destructive')
    })
  
    it('applies size styles correctly', () => {
      render(<Button size="sm">Small</Button>)
      const btn = screen.getByRole('button', { name: /small/i })
      expect(btn).toHaveAttribute('data-size', 'sm')
      expect(btn.className).toContain('h-8')
    })
  
    it('handles click events when active', () => {
      const handleClick = vi.fn()
      render(<Button onClick={handleClick}>Trigger</Button>)
      fireEvent.click(screen.getByRole('button', { name: /trigger/i }))
      expect(handleClick).toHaveBeenCalledTimes(1)
    })
  
    it('respects disabled state attribute', () => {
      render(<Button disabled>Disabled</Button>)
      expect(screen.getByRole('button', { name: /disabled/i })).toBeDisabled()
    })
  
    it('forwards custom class names with cn()', () => {
      render(<Button className="custom-btn">Custom</Button>)
      const btn = screen.getByRole('button', { name: /custom/i })
      expect(btn.className).toContain('custom-btn')
    })
  })`,
    },
  ]
  
  const testLogs: CodeSnippetPlaygroundTestLog[] = [
    { id: '1', name: 'renders default button with children text', duration: '4ms', status: 'pass' },
    { id: '2', name: 'applies variant classes correctly', duration: '7ms', status: 'pass' },
    { id: '3', name: 'applies size styles correctly', duration: '5ms', status: 'pass' },
    { id: '4', name: 'handles click events when active', duration: '8ms', status: 'pass' },
    { id: '5', name: 'respects disabled state attribute', duration: '6ms', status: 'pass' },
    { id: '6', name: 'forwards custom class names with cn()', duration: '12ms', status: 'pass' },
  ]
  
  export type CodeSnippetPlaygroundButtonVariant = 'default' | 'secondary' | 'destructive' | 'outline' | 'ghost' | 'link'
  export type CodeSnippetPlaygroundButtonSize = 'default' | 'sm' | 'lg' | 'icon'
  function highlightSyntaxLine(line: string): string {
    if (!line.trim()) return '&nbsp;'
  
    const escaped = line.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;')
  
    // Single line comments
    if (/^\s*\/\//.test(escaped) || /^\s*\/\*/.test(escaped) || /^\s*\*/.test(escaped) || /^\s*&lt;!--/.test(escaped)) {
      return `<span class="text-zinc-500 italic">${escaped}</span>`
    }
  
    // Every emitted <span> is parked behind a letter-only placeholder so later
    // passes cannot match inside the markup they already produced.
    const parked: string[] = []
    const park = (html: string) => {
      const key = String(parked.length)
        .split('')
        .map((d) => String.fromCharCode(97 + Number(d)))
        .join('')
      parked.push(html)
      return `\u0000${key}\u0000`
    }
  
    let out = escaped
  
    // Strings
    out = out.replace(/(["'`])(?:(?=(\\?))\2.)*?\1/g, (m) => park(`<span class="text-success font-normal">${m}</span>`))
  
    // Trailing comments
    out = out.replace(/(\/\/.*$)/, (m) => park(`<span class="text-zinc-500 italic">${m}</span>`))
  
    // Keywords
    out = out.replace(
      /\b(import|export|from|const|let|var|function|return|interface|type|default|as|typeof|withDefaults|defineProps|defineEmits|describe|it|expect|test|async|await|extends|new|true|false|null|undefined)\b/g,
      (m) => park(`<span class="text-chart-1 font-semibold">${m}</span>`),
    )
  
    // Types
    out = out.replace(
      /\b(string|boolean|number|void|HTMLAttributes|VariantProps|ButtonVariants|ButtonProps|Props|Variant|Size|HTMLButtonElement|Record)\b/g,
      (m) => park(`<span class="text-warning font-medium">${m}</span>`),
    )
  
    // Functions / methods
    out = out.replace(
      /\b(cn|buttonVariants|cva|mount|render|screen|getByRole|fireEvent|vi|trigger|classes|attributes|emitted|toBe|toContain|toHaveProperty|toBeDefined|toBeInTheDocument|toHaveAttribute|toHaveBeenCalledTimes|toHaveBeenCalled|forwardRef|displayName|ref|computed|onMounted|onUnmounted|fn)\b/g,
      (m) => park(`<span class="text-info">${m}</span>`),
    )
  
    // Vue/TSX tags
    out = out.replace(
      /(&lt;\/?(?:template|script|Primitive|Button|Slot|Comp|slot|div|span|button)\b(?:\s|\/|&gt;)?)/g,
      (m) => park(`<span class="text-info font-medium">${m}</span>`),
    )
  
    // Attributes / directives
    out = out.replace(
      /(\b(?:data-slot|data-variant|data-size|className|variant|size|asChild|as|type|class|lang|setup|ref|onClick|disabled)\b|:[a-zA-Z0-9_-]+)/g,
      (m) => park(`<span class="text-chart-2">${m}</span>`),
    )
  
    // Numbers
    out = out.replace(/\b(\d+)\b/g, (m) => park(`<span class="text-warning">${m}</span>`))
  
    // Restore every parked span
    return out.replace(/\u0000([a-j]+)\u0000/g, (_, key: string) => {
      const idx = Number(
        key
          .split('')
          .map((c: string) => String(c.charCodeAt(0) - 97))
          .join(''),
      )
      return parked[idx] ?? ''
    })
  }
  
  const variants: CodeSnippetPlaygroundButtonVariant[] = [
    'default',
    'secondary',
    'destructive',
    'outline',
    'ghost',
    'link',
  ]
  const sizes: CodeSnippetPlaygroundButtonSize[] = ['sm', 'default', 'lg', 'icon']
  
  /**
   * Angular port of the React CodeSnippetPlayground block: a two-column studio with file
   * tabs and a syntax-coloured editor on the left, and a Live Preview / Terminal tab pair on
   * the right. Signals for state; Cmd/Ctrl+Enter runs the (mock) suite from anywhere.
   */
  @Component({
    changeDetection: ChangeDetectionStrategy.Eager,
    selector: 'ui-code-snippet-playground, [ui-code-snippet-playground]',
    standalone: true,
    // React renders the Card itself: keep this wrapper out of the layout.
    host: { class: 'contents', '(window:keydown)': 'onWindowKeydown($event)' },
    imports: [
      LucideAngularModule,
      UiBadgeComponent,
      UiButtonComponent,
      UiCardComponent,
      UiCardDescriptionComponent,
      UiCardHeaderComponent,
      UiCardTitleComponent,
      UiSeparatorComponent,
      UiTabsComponent,
      UiTabsContentComponent,
      UiTabsListComponent,
      UiTabsTriggerComponent,
    ],
    template: `
      <div ui-card data-slot="code-snippet-playground" [class]="rootClass">
        <!-- Top Toolbar -->
        <div
          ui-card-header
          class="border-border bg-muted/20 flex flex-col gap-3 border-b p-4 sm:flex-row sm:items-center sm:justify-between"
        >
          <div class="flex items-center gap-3">
            <div class="bg-primary/10 text-primary flex size-9 items-center justify-center rounded-lg">
              <lucide-icon [img]="Code2" class="size-4.5" />
            </div>
            <div>
              <div class="flex items-center gap-2">
                <h3 ui-card-title class="text-base font-semibold tracking-tight">Button.tsx · Radix UI Primitive</h3>
                <span ui-badge variant="outline" class="text-muted-foreground font-mono text-xs">React 19</span>
                <span ui-badge variant="secondary" class="font-mono text-xs">TypeScript 5.6</span>
              </div>
              <p ui-card-description class="text-muted-foreground text-xs">
                Multi-file component studio with live preview, syntax engine, and Vitest suite
              </p>
            </div>
          </div>
  
          <!-- Action Buttons -->
          <div class="flex flex-wrap items-center gap-2">
            <div
              class="border-border/80 bg-background/80 flex items-center gap-1.5 rounded-md border px-2.5 py-1 text-xs"
            >
              <span
                [class]="
                  cn('size-2 rounded-full transition-colors', isRunning() ? 'bg-warning animate-pulse' : 'bg-success')
                "
              ></span>
              <span class="text-muted-foreground font-mono">{{
                isRunning() ? 'Running suite...' : '6 tests passing'
              }}</span>
            </div>
  
            <button
              ui-button
              variant="outline"
              size="sm"
              class="h-8 gap-1.5 text-xs shadow-none"
              title="Reset Playground"
              (click)="handleResetPlayground()"
            >
              <lucide-icon [img]="RotateCcw" class="size-3.5" />
              <span class="hidden sm:inline">Reset</span>
            </button>
  
            <button
              ui-button
              variant="outline"
              size="sm"
              class="h-8 gap-1.5 text-xs shadow-none"
              title="Copy active file contents"
              (click)="handleCopyFile()"
            >
              @if (isCopied()) {
                <lucide-icon [img]="Check" class="text-success size-3.5" />
              } @else {
                <lucide-icon [img]="Copy" class="size-3.5" />
              }
              <span>{{ isCopied() ? 'Copied!' : 'Copy File' }}</span>
            </button>
  
            <button
              ui-button
              size="sm"
              class="h-8 gap-1.5 text-xs font-medium"
              [disabled]="isRunning()"
              (click)="handleRunCode()"
            >
              @if (isRunning()) {
                <lucide-icon [img]="Loader2" class="size-3.5 animate-spin" />
              } @else {
                <lucide-icon [img]="Play" class="size-3.5 fill-current" />
              }
              <span>Run Code</span>
              <kbd
                class="border-primary-foreground/30 bg-primary-foreground/10 hidden rounded border px-1 font-mono text-xs sm:inline"
              >
                ⌘↵
              </kbd>
            </button>
          </div>
        </div>
  
        <!-- Main 2-Column Studio Grid -->
        <div class="divide-border grid grid-cols-1 divide-y lg:grid-cols-12 lg:divide-x lg:divide-y-0">
          <!-- Left Column: File Tabs & Dark Code Editor (7/12 cols) -->
          <section class="flex min-h-[560px] flex-col bg-zinc-950 text-zinc-100 lg:col-span-7">
            <!-- File Navigation Tabs -->
            <div class="flex items-center justify-between border-b border-zinc-800/80 bg-zinc-900/70 px-2">
              <div class="flex scrollbar-none items-center gap-1 overflow-x-auto py-1.5">
                @for (file of files; track file.id) {
                  <button
                    type="button"
                    [class]="
                      cn(
                        'group flex cursor-pointer items-center gap-2 rounded-md px-3 py-1.5 font-mono text-xs transition-colors',
                        activeFileId() === file.id
                          ? 'border border-zinc-800 bg-zinc-950 text-zinc-100 shadow-xs'
                          : 'text-zinc-400 hover:bg-zinc-800/50 hover:text-zinc-200'
                      )
                    "
                    (click)="activeFileId.set(file.id)"
                  >
                    <lucide-icon
                      [img]="fileIcon(file)"
                      [class]="
                        cn('size-3.5 transition-colors', activeFileId() === file.id ? fileTone(file) : 'text-zinc-500')
                      "
                    />
                    <span>{{ file.name }}</span>
                  </button>
                }
              </div>
  
              <span class="hidden font-mono text-xs text-zinc-500 xl:inline">{{ activeFile().size }}</span>
            </div>
  
            <!-- Breadcrumb / Path Info -->
            <div
              class="flex items-center justify-between border-b border-zinc-800/60 bg-zinc-950/80 px-4 py-1.5 font-mono text-xs text-zinc-400"
            >
              <div class="flex items-center gap-1.5 overflow-hidden text-ellipsis whitespace-nowrap">
                <span class="text-zinc-600">src /</span>
                <span>{{ activeFile().path }}</span>
              </div>
              <span class="text-zinc-500">{{ activeFileLines().length }} lines</span>
            </div>
  
            <!-- Code Editor Body -->
            <div
              class="relative flex flex-1 overflow-x-auto bg-zinc-950 py-3 font-mono text-xs leading-relaxed select-text"
            >
              <!-- Gutter Line Numbers -->
              <div class="flex flex-col border-r border-zinc-800/60 px-3 text-right text-zinc-600 select-none">
                @for (line of activeFileLines(); track $index) {
                  <span
                    [class]="
                      cn(
                        'h-5 leading-5 transition-colors',
                        hoveredLine() === $index + 1 ? 'font-semibold text-zinc-300' : ''
                      )
                    "
                    >{{ $index + 1 }}</span
                  >
                }
              </div>
  
              <!-- Code Lines with Syntax Coloring -->
              <div class="flex-1 px-4 whitespace-pre">
                @for (html of highlightedLines(); track $index) {
                  <div
                    [class]="
                      cn(
                        'group flex h-5 items-center rounded-xs px-1 leading-5 transition-colors',
                        hoveredLine() === $index + 1 ? 'bg-zinc-800/40' : ''
                      )
                    "
                    (mouseenter)="hoveredLine.set($index + 1)"
                    (mouseleave)="hoveredLine.set(null)"
                  >
                    <span [innerHTML]="html"></span>
                  </div>
                }
              </div>
            </div>
  
            <!-- Editor Status Bar -->
            <div
              class="flex items-center justify-between border-t border-zinc-800/60 bg-zinc-900/90 px-3 py-1 font-mono text-xs text-zinc-400"
            >
              <div class="flex items-center gap-3">
                <span>UTF-8</span>
                <span>2 Spaces</span>
                <span class="text-zinc-500">React TSX</span>
              </div>
              <div class="flex items-center gap-3">
                <span>Ln {{ hoveredLine() ?? 1 }}, Col 1</span>
                <span class="text-success">Prettier ✓</span>
              </div>
            </div>
          </section>
  
          <!-- Right Column: Live Sandbox & Terminal Console (5/12 cols) -->
          <section class="bg-background flex min-h-[560px] flex-col lg:col-span-5">
            <ui-tabs [value]="activeRightTab()" (valueChange)="activeRightTab.set($event)" class="flex h-full flex-col">
              <!-- Right Tab Header -->
              <div class="border-border bg-muted/30 border-b px-3 py-2">
                <ui-tabs-list class="grid w-full grid-cols-2">
                  <button ui-tabs-trigger value="preview" class="gap-1.5 text-xs">
                    <lucide-icon [img]="Eye" class="size-3.5" />
                    <span>Live Preview</span>
                  </button>
                  <button ui-tabs-trigger value="console" class="gap-1.5 text-xs">
                    <lucide-icon [img]="Terminal" class="size-3.5" />
                    <span>Terminal</span>
                    <span ui-badge variant="secondary" class="text-success ml-1 px-1 py-0 font-mono text-xs">PASS</span>
                  </button>
                </ui-tabs-list>
              </div>
  
              <!-- TAB 1: Live Component Sandbox -->
              <ui-tabs-content value="preview" class="m-0 flex flex-1 flex-col gap-4 p-4">
                <!-- Variant & Style Controls -->
                <div class="border-border bg-card space-y-3 rounded-lg border p-3 shadow-xs">
                  <div class="flex items-center justify-between">
                    <span class="text-foreground text-xs font-semibold">Variant</span>
                    <span class="text-muted-foreground font-mono text-xs">{{ selectedVariant() }}</span>
                  </div>
                  <div class="flex flex-wrap gap-1.5">
                    @for (v of variants; track v) {
                      <button
                        type="button"
                        [class]="
                          cn(
                            'min-h-6 cursor-pointer rounded-md px-2.5 py-1 font-mono text-xs capitalize transition-colors',
                            selectedVariant() === v
                              ? 'bg-primary text-primary-foreground font-medium shadow-xs'
                              : 'bg-muted/60 text-muted-foreground hover:bg-muted hover:text-foreground'
                          )
                        "
                        (click)="selectedVariant.set(v)"
                      >
                        {{ v }}
                      </button>
                    }
                  </div>
  
                  <ui-separator class="my-2" />
  
                  <div class="flex items-center justify-between">
                    <span class="text-foreground text-xs font-semibold">Size &amp; Options</span>
                  </div>
                  <div class="flex flex-wrap items-center gap-1.5">
                    @for (s of sizes; track s) {
                      <button
                        type="button"
                        [class]="
                          cn(
                            'min-h-6 cursor-pointer rounded-md px-2 py-0.5 font-mono text-xs uppercase transition-colors',
                            selectedSize() === s
                              ? 'bg-secondary text-secondary-foreground font-semibold'
                              : 'bg-muted/40 text-muted-foreground hover:bg-muted'
                          )
                        "
                        (click)="selectedSize.set(s)"
                      >
                        {{ s }}
                      </button>
                    }
  
                    <div class="ml-auto flex items-center gap-2">
                      <label class="text-muted-foreground flex cursor-pointer items-center gap-1.5 text-xs select-none">
                        <input
                          type="checkbox"
                          [checked]="isDisabled()"
                          (change)="isDisabled.set(checked($event))"
                          class="accent-primary"
                        />
                        <span>Disabled</span>
                      </label>
                      <label class="text-muted-foreground flex cursor-pointer items-center gap-1.5 text-xs select-none">
                        <input
                          type="checkbox"
                          [checked]="isLoading()"
                          (change)="isLoading.set(checked($event))"
                          class="accent-primary"
                        />
                        <span>Loading</span>
                      </label>
                      <label class="text-muted-foreground flex cursor-pointer items-center gap-1.5 text-xs select-none">
                        <input
                          type="checkbox"
                          [checked]="withIcon()"
                          (change)="withIcon.set(checked($event))"
                          class="accent-primary"
                        />
                        <span>Icon</span>
                      </label>
                    </div>
                  </div>
                </div>
  
                <!-- Render Stage Canvas -->
                <div
                  class="border-border bg-muted/20 relative flex min-h-[160px] flex-1 flex-col items-center justify-center rounded-lg border border-dashed p-6"
                >
                  <div class="flex flex-col items-center gap-3">
                    <button
                      ui-button
                      [variant]="selectedVariant()"
                      [size]="selectedSize()"
                      [disabled]="isDisabled() || isLoading()"
                      class="transition-[color,background-color,border-color,box-shadow,opacity,transform,scale,translate,rotate] active:scale-95"
                      (click)="handleButtonClick()"
                    >
                      @if (isLoading()) {
                        <lucide-icon [img]="Loader2" class="size-4 animate-spin" />
                      } @else if (withIcon() || selectedSize() === 'icon') {
                        <lucide-icon [img]="Zap" class="size-4" />
                      }
                      @if (selectedSize() !== 'icon') {
                        <span>Interactive Button</span>
                      }
                    </button>
  
                    <p class="text-muted-foreground font-mono text-xs">
                      Clicks: <span class="text-foreground font-semibold">{{ clickCount() }}</span>
                    </p>
                  </div>
  
                  <!-- Last Interaction Status -->
                  <div
                    class="bg-background/80 text-muted-foreground absolute right-2 bottom-2 left-2 flex items-center justify-between rounded-md px-2 py-1 text-xs backdrop-blur-xs"
                  >
                    <span class="truncate font-mono">{{ lastInteraction() }}</span>
                    <span class="text-success shrink-0 font-medium">Rendered OK</span>
                  </div>
                </div>
  
                <!-- Dynamic Snippet Output -->
                <div class="space-y-1.5">
                  <div class="flex items-center justify-between text-xs">
                    <span class="text-foreground font-medium">Usage Code</span>
                    <button
                      type="button"
                      class="text-muted-foreground hover:text-foreground flex min-h-6 cursor-pointer items-center gap-1"
                      (click)="handleCopySnippet()"
                    >
                      @if (isSnippetCopied()) {
                        <lucide-icon [img]="Check" class="text-success size-3" />
                      } @else {
                        <lucide-icon [img]="Copy" class="size-3" />
                      }
                      <span>{{ isSnippetCopied() ? 'Copied' : 'Copy' }}</span>
                    </button>
                  </div>
                  <pre
                    class="border-border bg-muted/40 text-foreground overflow-x-auto rounded-md border p-2.5 font-mono text-xs leading-relaxed"
                  ><code>{{ generatedSnippet() }}</code></pre>
                </div>
              </ui-tabs-content>
  
              <!-- TAB 2: Terminal Console Execution Output -->
              <ui-tabs-content
                value="console"
                class="m-0 flex flex-1 flex-col bg-zinc-950 p-4 font-mono text-xs text-zinc-300"
              >
                <!-- Console Toolbar -->
                <div class="mb-3 flex items-center justify-between border-b border-zinc-800 pb-2 text-zinc-400">
                  <div class="flex items-center gap-2">
                    <span class="font-semibold text-zinc-200">Vitest Test Runner</span>
                    <span ui-badge variant="outline" class="border-zinc-700 bg-zinc-900 font-mono text-xs text-zinc-300"
                      >v2.1.8</span
                    >
                  </div>
                  <div class="flex items-center gap-3">
                    <span class="text-zinc-500">Run #{{ executionCount() }} ({{ lastRunTime() }})</span>
                    <button
                      type="button"
                      class="cursor-pointer text-zinc-400 hover:text-zinc-100"
                      title="Re-run tests"
                      (click)="handleRunCode()"
                    >
                      <lucide-icon [img]="RotateCcw" class="size-3.5" />
                    </button>
                  </div>
                </div>
  
                <!-- Terminal Execution Logs -->
                <div class="flex-1 space-y-2 overflow-y-auto pr-1">
                  <div class="text-zinc-500">
                    $ vitest run packages/registry-react/components/button/__tests__/button.spec.tsx
                  </div>
  
                  <div class="text-success flex items-center gap-2 font-semibold">
                    <lucide-icon [img]="CheckCircle2" class="size-3.5 shrink-0" />
                    <span>PASS packages/registry-react/components/button/__tests__/button.spec.tsx (6 tests)</span>
                    <span class="font-normal text-zinc-500">42ms</span>
                  </div>
  
                  <div class="ml-4 space-y-1.5 border-l border-zinc-800 pl-3">
                    @for (log of testLogs; track log.id) {
                      <div class="flex items-center justify-between text-zinc-300">
                        <div class="flex items-center gap-2">
                          <lucide-icon [img]="Check" class="text-success size-3" />
                          <span>{{ log.name }}</span>
                        </div>
                        <span class="text-zinc-500">{{ log.duration }}</span>
                      </div>
                    }
                  </div>
  
                  <!-- Summary Card -->
                  <div class="mt-4 space-y-1 rounded-md border border-zinc-800/80 bg-zinc-900/60 p-2.5 text-zinc-400">
                    <div class="flex justify-between">
                      <span>Test Files</span>
                      <span class="text-success font-medium">1 passed (1)</span>
                    </div>
                    <div class="flex justify-between">
                      <span>Tests</span>
                      <span class="text-success font-medium">6 passed (6)</span>
                    </div>
                    <div class="flex justify-between">
                      <span>Start at</span>
                      <span class="text-zinc-300">{{ lastRunTime() }}</span>
                    </div>
                    <div class="flex justify-between">
                      <span>Duration</span>
                      <span class="text-zinc-300">42ms (transform 12ms, setup 0ms, collect 8ms, tests 42ms)</span>
                    </div>
                  </div>
                </div>
  
                <!-- Bottom Console Status Banner -->
                <div
                  class="border-success/30 bg-success/10 text-success mt-3 flex items-center justify-between rounded-md border px-3 py-2"
                >
                  <div class="flex items-center gap-2 font-semibold">
                    <lucide-icon [img]="CheckCircle2" class="size-4" />
                    <span>PASS · 6 passed, 0 failed in 42ms</span>
                  </div>
                  <span class="text-success/80 text-xs">Exit code: 0</span>
                </div>
              </ui-tabs-content>
            </ui-tabs>
          </section>
        </div>
      </div>
    `,
  })
  export class UiCodeSnippetPlaygroundComponent {
    /** Extra classes for the root Card (React `className`). */
    @Input('class') className?: string
  
    protected readonly cn = cn
    protected readonly files = files
    protected readonly testLogs = testLogs
    protected readonly variants = variants
    protected readonly sizes = sizes
    protected readonly Code2 = Code2
    protected readonly Check = Check
    protected readonly CheckCircle2 = CheckCircle2
    protected readonly Copy = Copy
    protected readonly Eye = Eye
    protected readonly Loader2 = Loader2
    protected readonly Play = Play
    protected readonly RotateCcw = RotateCcw
    protected readonly Terminal = Terminal
    protected readonly Zap = Zap
  
    readonly activeFileId = signal('button-tsx')
    readonly activeRightTab = signal('preview')
    readonly hoveredLine = signal<number | null>(null)
    readonly isCopied = signal(false)
    readonly isSnippetCopied = signal(false)
    readonly isRunning = signal(false)
    readonly lastRunTime = signal('14:32:08')
    readonly executionCount = signal(1)
  
    // Interactive Workbench State
    readonly selectedVariant = signal<CodeSnippetPlaygroundButtonVariant>('default')
    readonly selectedSize = signal<CodeSnippetPlaygroundButtonSize>('default')
    readonly isDisabled = signal(false)
    readonly isLoading = signal(false)
    readonly withIcon = signal(true)
    readonly clickCount = signal(0)
    readonly lastInteraction = signal('Ready for test interactions')
  
    readonly activeFile = computed(() => files.find((f) => f.id === this.activeFileId()) ?? files[0]!)
    readonly activeFileLines = computed(() => this.activeFile().content.split('\n'))
    readonly highlightedLines = computed(() => this.activeFileLines().map(highlightSyntaxLine))
  
    readonly generatedSnippet = computed(() => {
      const variant = this.selectedVariant()
      const size = this.selectedSize()
      const v = variant !== 'default' ? ` variant="${variant}"` : ''
      const s = size !== 'default' ? ` size="${size}"` : ''
      const d = this.isDisabled() ? ' disabled' : ''
  
      if (size === 'icon') {
        return `<Button${v}${s}${d}>\n  <Zap className="size-4" />\n</Button>`
      }
  
      if (this.isLoading()) {
        return `<Button${v}${s}${d}>\n  <Loader2 className="size-4 animate-spin" />\n  Please wait\n</Button>`
      }
  
      if (this.withIcon()) {
        return `<Button${v}${s}${d}>\n  <Zap className="size-4" />\n  Interactive Button\n</Button>`
      }
  
      return `<Button${v}${s}${d}>Interactive Button</Button>`
    })
  
    private readonly timers = new Set<ReturnType<typeof setTimeout>>()
  
    constructor() {
      inject(DestroyRef).onDestroy(() => this.timers.forEach((t) => clearTimeout(t)))
    }
  
    get rootClass(): string {
      return cn('border-border bg-card w-full overflow-hidden shadow-xs', this.className)
    }
  
    fileIcon(file: CodeSnippetPlaygroundFile): LucideIconData {
      if (file.name.endsWith('.tsx')) return FileCode
      if (file.name.endsWith('.variants.ts')) return Braces
      if (file.name === 'index.ts') return Layers
      return CheckCircle2
    }
  
    fileTone(file: CodeSnippetPlaygroundFile): string {
      if (file.name.endsWith('.tsx')) return 'text-info'
      if (file.name.endsWith('.variants.ts')) return 'text-chart-1'
      if (file.name === 'index.ts') return 'text-warning'
      return 'text-success'
    }
  
    checked(event: Event): boolean {
      return (event.target as HTMLInputElement).checked
    }
  
    handleRunCode(): void {
      if (this.isRunning()) return
      this.isRunning.set(true)
      this.activeRightTab.set('console')
  
      this.later(() => {
        this.isRunning.set(false)
        this.executionCount.update((prev) => prev + 1)
        this.lastRunTime.set(new Date().toTimeString().split(' ')[0]!)
      }, 480)
    }
  
    handleCopyFile(): void {
      if (typeof navigator !== 'undefined' && navigator.clipboard) {
        void navigator.clipboard.writeText(this.activeFile().content)
        this.isCopied.set(true)
        this.later(() => this.isCopied.set(false), 2000)
      }
    }
  
    handleCopySnippet(): void {
      if (typeof navigator !== 'undefined' && navigator.clipboard) {
        void navigator.clipboard.writeText(this.generatedSnippet())
        this.isSnippetCopied.set(true)
        this.later(() => this.isSnippetCopied.set(false), 2000)
      }
    }
  
    handleResetPlayground(): void {
      this.activeFileId.set('button-tsx')
      this.selectedVariant.set('default')
      this.selectedSize.set('default')
      this.isDisabled.set(false)
      this.isLoading.set(false)
      this.withIcon.set(true)
      this.clickCount.set(0)
      this.lastInteraction.set('Playground reset to initial state')
    }
  
    handleButtonClick(): void {
      if (this.isDisabled() || this.isLoading()) return
      const next = this.clickCount() + 1
      this.clickCount.set(next)
      this.lastInteraction.set(`Dispatched onClick event #${next} at ${new Date().toLocaleTimeString()}`)
    }
  
    onWindowKeydown(e: KeyboardEvent): void {
      if ((e.metaKey || e.ctrlKey) && e.key === 'Enter') {
        e.preventDefault()
        this.handleRunCode()
      }
    }
  
    private later(fn: () => void, ms: number): void {
      const t = setTimeout(() => {
        this.timers.delete(t)
        fn()
      }, ms)
      this.timers.add(t)
    }
  }
  

• src/app/components/blocks/code-snippet-playground/index.ts0.2 kB

  Copy

Raw manifest:https://uipkge.dev/r/angular/code-snippet-playground.json