Add script to fetch and display a shared aider chat transcript.

share/index.md

@@ -0,0 +1,29 @@
+
+# Shared aider chat transcript
+
+A user has shared the following transcript of a pair programming chat session
+created using <a href="https://aider.chat">aider</a>.
+
+<div class="chat-transcript">
+</div>
+
+<script>
+window.onload = function() {
+    var urlParams = new URLSearchParams(window.location.search);
+    var conv = urlParams.get('mdurl');
+    fetch(conv)
+    .then(response => response.text())
+    .then(markdown => {
+        // Ensure every line that starts with '>' ends with exactly 2 spaces
+        markdown = markdown.split('\n').map(function(line) {
+            if (line.startsWith('>')) {
+                return line.trimEnd() + '  ';
+            }
+            return line;
+        }).join('\n');
+        var html = marked.parse(markdown);
+        var divElement = document.querySelector('.chat-transcript');
+        divElement.innerHTML = html;
+    });
+}
+</script>