From afdc982863b6cca573f1db58e1795aa8c45fabca Mon Sep 17 00:00:00 2001
From: schererleander <leander@schererleander.de>
Date: Fri, 30 May 2025 01:01:17 +0200
Subject: rewrite site

---
 src/components/CodeSnippet.tsx | 94 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 src/components/CodeSnippet.tsx

(limited to 'src/components/CodeSnippet.tsx')

diff --git a/src/components/CodeSnippet.tsx b/src/components/CodeSnippet.tsx
new file mode 100644
index 0000000..73ac1e7
--- /dev/null
+++ b/src/components/CodeSnippet.tsx
@@ -0,0 +1,94 @@
+import React, { useState, useMemo, useCallback } from 'react';
+
+interface CodeSnippetProps {
+  code: string;
+  initialLines?: number;
+}
+
+const ExpandIcon = () => (
+  <svg width="16" height="16" viewBox="0 0 24 24">
+    <path d="M19 13H13v6h-2v-6H5v-2h6V5h2v6h6v2z" fill="currentColor" />
+  </svg>
+);
+
+const CollapseIcon = () => (
+  <svg width="16" height="16" viewBox="0 0 24 24">
+    <path d="M19 13H5v-2h14v2z" fill="currentColor" />
+  </svg>
+);
+
+const CopyIcon = () => (
+  <svg width="16" height="16" viewBox="0 0 24 24">
+    <path d="M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm3 4H8c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h11c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm0 16H8V7h11v14z" fill="currentColor" />
+  </svg>
+);
+
+export const CodeSnippet: React.FC<CodeSnippetProps> = React.memo(
+  ({ code, initialLines = 5 }) => {
+    const [expanded, setExpanded] = useState(false);
+    const [copied, setCopied] = useState(false);
+
+    const lines = useMemo(() => code.split('\n'), [code]);
+    const shouldTruncate = useMemo(
+      () => lines.length > initialLines,
+      [lines.length, initialLines]
+    );
+    const displayedLines = useMemo(
+      () => (expanded || !shouldTruncate ? lines : lines.slice(0, initialLines)),
+      [expanded, shouldTruncate, lines, initialLines]
+    );
+
+    const toggleExpanded = useCallback(
+      () => setExpanded(prev => !prev),
+      []
+    );
+
+    const handleCopy = useCallback(() => {
+      navigator.clipboard.writeText(code)
+        .then(() => {
+          setCopied(true);
+          setTimeout(() => setCopied(false), 2000);
+        })
+        .catch(() => {});
+    }, [code]);
+
+    return (
+      <div className="relative rounded-lg p-4 my-2 font-mono bg-gray-200 dark:bg-white/5">
+        {shouldTruncate && (
+          <div className="absolute top-2 right-2 flex space-x-2">
+            <button
+              onClick={handleCopy}
+              aria-label={copied ? 'Copied!' : 'Copy code'}
+              className="p-0 cursor-pointer text-gray-600 hover:text-gray-800"
+            >
+              <CopyIcon />
+            </button>
+            <button
+              onClick={toggleExpanded}
+              aria-label={expanded ? 'Collapse code' : 'Expand code'}
+              className="p-0 cursor-pointer text-gray-600 hover:text-gray-800"
+            >
+              {expanded ? <CollapseIcon /> : <ExpandIcon />}
+            </button>
+          </div>
+        )}
+
+        <pre className="overflow-x-auto m-0 text-sm">
+          {displayedLines.map((line, idx) => (
+            <div key={idx} className="flex">
+              <span className="text-gray-500 w-8 text-right pr-2">
+                {idx + 1}
+              </span>
+              <code className="flex-1 whitespace-pre-wrap">{line}</code>
+            </div>
+          ))}
+          {shouldTruncate && !expanded && (
+            <div className="text-center text-gray-400">...</div>
+          )}
+        </pre>
+      </div>
+    );
+  }
+);
+
+export default CodeSnippet;
\ No newline at end of file
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