chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

web_src/js/render/ansi.ts

@@ -0,0 +1,85 @@
+import {AnsiUp} from 'ansi_up';
+import {trimUrlPunctuation, urlRawRegex} from '../utils/url.ts';
+
+const replacements: Array<[RegExp, string]> = [
+  [/\x1b\[\d+[A-H]/g, ''], // Move cursor, treat them as no-op
+  [/\x1b\[\d?[JK]/g, '\r'], // Erase display/line, treat them as a Carriage Return
+];
+
+// render ANSI to HTML
+export function renderAnsiInto(el: HTMLElement, line: string) {
+  // create a fresh ansi_up instance because otherwise previous renders can influence
+  // the output of future renders, because ansi_up is stateful and remembers things like
+  // unclosed opening tags for colors.
+  const ansi_up = new AnsiUp();
+  ansi_up.use_classes = true;
+
+  if (line.endsWith('\r\n')) {
+    line = line.substring(0, line.length - 2);
+  } else if (line.endsWith('\n')) {
+    line = line.substring(0, line.length - 1);
+  }
+
+  if (line.includes('\x1b')) {
+    for (const [regex, replacement] of replacements) {
+      line = line.replace(regex, replacement);
+    }
+  }
+
+  let result: string;
+  if (!line.includes('\r')) {
+    result = ansi_up.ansi_to_html(line);
+  } else {
+    // handle "\rReading...1%\rReading...5%\rReading...100%",
+    // convert it into a multiple-line string: "Reading...1%\nReading...5%\nReading...100%"
+    const lines: Array<string> = [];
+    for (const part of line.split('\r')) {
+      if (part === '') continue;
+      const partHtml = ansi_up.ansi_to_html(part);
+      if (partHtml !== '') {
+        lines.push(partHtml);
+      }
+    }
+    // the log message element is with "white-space: break-spaces;", so use "\n" to break lines
+    result = lines.join('\n');
+  }
+
+  el.innerHTML = result;
+  // at the moment, only need to do post-process when there are potential URL links
+  if (result.includes('://')) renderAnsiPostProcessNode(el);
+}
+
+function renderAnsiProcessText(node: ChildNode): ChildNode {
+  const text = node.textContent!;
+  const match = urlRawRegex().exec(text);
+  if (!match || match.index === undefined) return node;
+
+  const before = text.slice(0, match.index);
+  const urlMatched = match[0];
+  const urlTrimmed = trimUrlPunctuation(urlMatched);
+  const after = text.slice(match.index + urlMatched.length - (urlMatched.length - urlTrimmed.length));
+
+  const link = document.createElement('a');
+  link.setAttribute('href', urlTrimmed);
+  link.setAttribute('target', '_blank');
+  link.textContent = urlTrimmed;
+
+  const newNodes: Array<Node | string> = [];
+  if (before) newNodes.push(before);
+  newNodes.push(link);
+  if (after) newNodes.push(after);
+
+  node.replaceWith(...newNodes);
+  return link;
+}
+
+function renderAnsiPostProcessNode(el: ChildNode) {
+  for (let node = el.firstChild; node; node = node.nextSibling) {
+    if (node.nodeName === 'A') continue;
+    if (node.nodeType !== Node.TEXT_NODE) {
+      renderAnsiPostProcessNode(node);
+      continue;
+    }
+    node = renderAnsiProcessText(node);
+  }
+}