fixup! build: make test-addons dependency-free

Co-authored-by: Antoine du Hamel <duhamelantoine1995@gmail.com>

Author: joyeecheung

tools/doc/addon-verify.mjs

@@ -30,18 +30,40 @@ if (!values.input || !values.output) {
   process.exit(1);
 }
 
-const src = readFileSync(values.input, 'utf8');
+const src = await open(values.input, 'r');
+
+const MARKER_RE = /^<!--\s*addon-verify-file\s+(\S+?)\/(\S+)\s*-->$/;
 
-// Collect files grouped by section directory name.
-const MARKER_RE = /^<!--\s*addon-verify-file\s+(\S+?)\/(\S+)\s*-->$/gm;
-const FENCE_RE = /```\w*\n([\s\S]*?)\n```/;
 const entries = [];
-for (const match of src.matchAll(MARKER_RE)) {
-  const [, dir, name] = match;
-  const after = src.slice(match.index + match[0].length);
-  const content = after.match(FENCE_RE)?.[1];
-  if (content != null) entries.push({ dir, name, content });
+let nextBlockIsAddonVerifyFile = false;
+let expectedClosingFenceMarker;
+for await (const line of src.readLines()) {
+  if (expectedClosingFenceMarker) {
+    // We're inside a Addon snippet
+    if (line === expectedClosingFenceMarker) {
+      // End of the snippet
+      expectedClosingFenceMarker = null;
+      continue;
+    }
+
+    entries.at(-1).content += `${line}\n`;
+  }
+  if (nextBlockIsAddonVerifyFile) {
+    if (line) {
+      expectedClosingFenceMarker = line.replace(/\w/g, '');
+      nextBlockIsAddonVerifyFile = false;
+    }
+    continue;
+  }
+  const match = MARKER_RE.exec(line);
+  if (match) {
+    nextBlockIsAddonVerifyFile = true;
+    const [, dir, name] = match;
+    entries.push({ dir, name, content: '' });
+  }
 }
+
+// Collect files grouped by section directory name.
 const sections = Map.groupBy(entries, (e) => e.dir);
 
 let idx = 0;