add dialog for copy to clipboard fallback (fixes #152)

beszel/site/src/components/copy-to-clipboard.tsx

@@ -0,0 +1,49 @@
+import { useEffect, useMemo, useRef } from 'react'
+import { Dialog, DialogContent, DialogDescription, DialogHeader, DialogTitle } from './ui/dialog'
+import { Textarea } from './ui/textarea'
+import { $copyContent } from '@/lib/stores'
+
+export default function CopyToClipboard({ content }: { content: string }) {
+	return (
+		<Dialog defaultOpen={true}>
+			<DialogContent className="w-[90%] rounded-lg" style={{ maxWidth: 530 }}>
+				<DialogHeader>
+					<DialogTitle>Could not copy to clipboard</DialogTitle>
+					<DialogDescription>Please copy the text manually.</DialogDescription>
+				</DialogHeader>
+				<CopyTextarea content={content} />
+				<p className="text-sm text-muted-foreground">
+					Clipboard API requires a secure context (https, localhost, or *.localhost)
+				</p>
+			</DialogContent>
+		</Dialog>
+	)
+}
+
+function CopyTextarea({ content }: { content: string }) {
+	const textareaRef = useRef<HTMLTextAreaElement>(null)
+
+	const rows = useMemo(() => {
+		return content.split('\n').length
+	}, [content])
+
+	useEffect(() => {
+		if (textareaRef.current) {
+			textareaRef.current.select()
+		}
+	}, [textareaRef])
+
+	useEffect(() => {
+		return () => $copyContent.set('')
+	}, [])
+
+	return (
+		<Textarea
+			className="font-mono overflow-hidden whitespace-pre"
+			rows={rows}
+			value={content}
+			readOnly
+			ref={textareaRef}
+		/>
+	)
+}

beszel/site/src/components/ui/textarea.tsx

@@ -0,0 +1,23 @@
+import * as React from 'react'
+
+import { cn } from '@/lib/utils'
+
+export interface TextareaProps extends React.TextareaHTMLAttributes<HTMLTextAreaElement> {}
+
+const Textarea = React.forwardRef<HTMLTextAreaElement, TextareaProps>(
+	({ className, ...props }, ref) => {
+		return (
+			<textarea
+				className={cn(
+					'flex min-h-14 w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50',
+					className
+				)}
+				ref={ref}
+				{...props}
+			/>
+		)
+	}
+)
+Textarea.displayName = 'Textarea'
+
+export { Textarea }