✨ permalink option

static/js/permalink.js

@@ -0,0 +1,84 @@
+// Permalink functionality for Sunday Comics
+// Handles copying comic permalinks to clipboard
+
+(function() {
+    'use strict';
+
+    const permalinkButton = document.getElementById('permalink-button');
+
+    if (!permalinkButton) {
+        // Permalink feature not enabled or button not found
+        return;
+    }
+
+    // Get the site URL from the page
+    const siteUrl = document.body.getAttribute('data-site-url') || window.location.origin;
+
+    // Copy permalink when button is clicked
+    permalinkButton.addEventListener('click', function() {
+        const comicNumber = this.getAttribute('data-comic-number');
+        if (!comicNumber) return;
+
+        // Generate permalink URL
+        const permalink = `${siteUrl}/comic/${comicNumber}`;
+
+        // Copy to clipboard
+        copyToClipboard(permalink);
+    });
+
+    // Copy text to clipboard
+    function copyToClipboard(text) {
+        // Modern clipboard API
+        if (navigator.clipboard && navigator.clipboard.writeText) {
+            navigator.clipboard.writeText(text).then(function() {
+                showCopyFeedback();
+            }).catch(function() {
+                // Fallback for older browsers
+                fallbackCopy(text);
+            });
+        } else {
+            // Fallback for older browsers
+            fallbackCopy(text);
+        }
+    }
+
+    // Fallback copy method for older browsers
+    function fallbackCopy(text) {
+        // Create temporary textarea
+        const textarea = document.createElement('textarea');
+        textarea.value = text;
+        textarea.style.position = 'fixed';
+        textarea.style.opacity = '0';
+        document.body.appendChild(textarea);
+        textarea.focus();
+        textarea.select();
+
+        try {
+            document.execCommand('copy');
+            showCopyFeedback();
+        } catch (err) {
+            alert('Failed to copy. Please copy manually: ' + text);
+        }
+
+        document.body.removeChild(textarea);
+    }
+
+    // Show visual feedback that the permalink was copied
+    function showCopyFeedback() {
+        const originalText = permalinkButton.textContent;
+        permalinkButton.textContent = 'Copied!';
+        permalinkButton.classList.add('copied');
+
+        setTimeout(function() {
+            permalinkButton.textContent = originalText;
+            permalinkButton.classList.remove('copied');
+        }, 2000);
+    }
+
+    // Update permalink button when comic changes via client-side navigation
+    window.addEventListener('comicUpdated', function(event) {
+        if (event.detail && event.detail.comicNumber && permalinkButton) {
+            permalinkButton.setAttribute('data-comic-number', event.detail.comicNumber);
+        }
+    });
+})();