[golf] don't fallback to execCommand for clipboard

src/apps/golf/components/PermalinkDisplay.tsx

@@ -16,32 +16,9 @@ const PermalinkDisplay = ({ label, url, onCopy }: PermalinkDisplayProps) => {
     setCopyStatus('copying')
 
     try {
-      // Try modern Clipboard API first
-      if (navigator.clipboard && window.isSecureContext) {
-        await navigator.clipboard.writeText(url)
-        setCopyStatus('success')
-        onCopy?.()
-      } else {
-        // Fallback method for older browsers or non-secure contexts
-        const textArea = document.createElement('textarea')
-        textArea.value = url
-        textArea.style.position = 'fixed'
-        textArea.style.left = '-999999px'
-        textArea.style.top = '-999999px'
-        document.body.appendChild(textArea)
-        textArea.focus()
-        textArea.select()
-
-        const successful = document.execCommand('copy')
-        document.body.removeChild(textArea)
-
-        if (successful) {
-          setCopyStatus('success')
-          onCopy?.()
-        } else {
-          throw new Error('Fallback copy method failed')
-        }
-      }
+      await navigator.clipboard.writeText(url)
+      setCopyStatus('success')
+      onCopy?.()
     } catch (error) {
       console.error('Failed to copy permalink:', error)
       setCopyStatus('error')

src/apps/golf/components/__tests__/PermalinkDisplay.test.tsx

@@ -7,9 +7,6 @@ const mockClipboard = {
   writeText: vi.fn()
 }
 
-// Mock document.execCommand
-const mockExecCommand = vi.fn()
-
 describe('PermalinkDisplay', () => {
   const defaultProps = {
     label: 'Share Room',
@@ -31,12 +28,6 @@ describe('PermalinkDisplay', () => {
       value: true,
       writable: true
     })
-
-    // Mock document.execCommand
-    Object.defineProperty(document, 'execCommand', {
-      value: mockExecCommand,
-      writable: true
-    })
   })
 
   afterEach(() => {
@@ -128,83 +119,6 @@ describe('PermalinkDisplay', () => {
     })
   })
 
-  describe('Copy Functionality - Fallback Method', () => {
-    it('attempts fallback method when clipboard API is not available', async () => {
-      // Simulate no clipboard API or insecure context
-      Object.defineProperty(navigator, 'clipboard', {
-        value: undefined,
-        writable: true
-      })
-      Object.defineProperty(window, 'isSecureContext', {
-        value: false,
-        writable: true
-      })
-
-      mockExecCommand.mockReturnValue(true)
-
-      render(<PermalinkDisplay {...defaultProps} />)
-
-      const copyButton = screen.getByRole('button', { name: /copy share room/i })
-      fireEvent.click(copyButton)
-
-      // Should attempt to use execCommand
-      await waitFor(() => {
-        expect(mockExecCommand).toHaveBeenCalledWith('copy')
-      })
-
-      await waitFor(() => {
-        expect(copyButton).toHaveTextContent('Copied!')
-      })
-    })
-
-    it('handles fallback method failure', async () => {
-      // Simulate no clipboard API or insecure context
-      Object.defineProperty(navigator, 'clipboard', {
-        value: undefined,
-        writable: true
-      })
-      Object.defineProperty(window, 'isSecureContext', {
-        value: false,
-        writable: true
-      })
-
-      mockExecCommand.mockReturnValue(false)
-
-      render(<PermalinkDisplay {...defaultProps} />)
-
-      const copyButton = screen.getByRole('button', { name: /copy share room/i })
-      fireEvent.click(copyButton)
-
-      await waitFor(() => {
-        expect(copyButton).toHaveTextContent('Failed')
-      })
-    })
-
-    it('calls onCopy callback when fallback succeeds', async () => {
-      // Simulate no clipboard API or insecure context
-      Object.defineProperty(navigator, 'clipboard', {
-        value: undefined,
-        writable: true
-      })
-      Object.defineProperty(window, 'isSecureContext', {
-        value: false,
-        writable: true
-      })
-
-      const onCopy = vi.fn()
-      mockExecCommand.mockReturnValue(true)
-
-      render(<PermalinkDisplay {...defaultProps} onCopy={onCopy} />)
-
-      const copyButton = screen.getByRole('button', { name: /copy share room/i })
-      fireEvent.click(copyButton)
-
-      await waitFor(() => {
-        expect(onCopy).toHaveBeenCalled()
-      })
-    })
-  })
-
   describe('Button States and Interactions', () => {
     it('disables button while copying', async () => {
       mockClipboard.writeText.mockImplementation(() => new Promise(resolve => setTimeout(resolve, 100)))