From ec71a0f817645e428c60b59e78321866ada1be6b Mon Sep 17 00:00:00 2001
From: Antoine du Hamel <duhamelantoine1995@gmail.com>
Date: Fri, 5 Feb 2021 00:12:31 +0100
Subject: [PATCH] tools: check version number in YAML comments from changelogs

PR-URL: https://github.com/nodejs/node/pull/37599
Refs: https://github.com/nodejs/remark-preset-lint-node/pull/172
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 .github/workflows/linters.yml                 |  6 +++
 ...list-released-versions-from-changelogs.mjs | 40 +++++++++++++++++++
 2 files changed, 46 insertions(+)
 create mode 100755 tools/node-lint-md-cli-rollup/src/list-released-versions-from-changelogs.mjs

diff --git a/.github/workflows/linters.yml b/.github/workflows/linters.yml
index 9bb9cd14bc1d0f..e9a46ca3176780 100644
--- a/.github/workflows/linters.yml
+++ b/.github/workflows/linters.yml
@@ -50,10 +50,16 @@ jobs:
           node-version: ${{ env.NODE_VERSION }}
       - name: Environment Information
         run: npx envinfo
+      - name: Get release version numbers
+        id: get-released-versions
+        run: ./tools/node-lint-md-cli-rollup/src/list-released-versions-from-changelogs.mjs
       - name: Lint docs
         run: |
           echo "::add-matcher::.github/workflows/remark-lint-problem-matcher.json"
           NODE=$(command -v node) make lint-md
+        env:
+          NODE_RELEASED_VERSIONS: ${{ steps.get-released-versions.outputs.NODE_RELEASED_VERSIONS }}
+
   lint-js:
     if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
diff --git a/tools/node-lint-md-cli-rollup/src/list-released-versions-from-changelogs.mjs b/tools/node-lint-md-cli-rollup/src/list-released-versions-from-changelogs.mjs
new file mode 100755
index 00000000000000..f134e122985d85
--- /dev/null
+++ b/tools/node-lint-md-cli-rollup/src/list-released-versions-from-changelogs.mjs
@@ -0,0 +1,40 @@
+#!/usr/bin/env node
+
+import fs from 'node:fs';
+import { createInterface } from 'node:readline';
+
+const dataFolder = new URL('../../../doc/changelogs/', import.meta.url);
+
+const result = [];
+async function getVersionsFromFile(file) {
+  const input = fs.createReadStream(file);
+  let toc = false;
+  for await (const line of createInterface({
+    input,
+    crlfDelay: Infinity,
+  })) {
+    if (toc === false && line === '<table>') {
+      toc = true;
+    } else if (toc && line[0] !== '<') {
+      input.close();
+      return;
+    } else if (toc && line.startsWith('<a')) {
+      result.push(line.slice(line.indexOf('>') + 1, -'</a><br/>'.length));
+    }
+  }
+}
+
+const filesToCheck = [];
+
+const dir = await fs.promises.opendir(dataFolder);
+for await (const dirent of dir) {
+  if (dirent.isFile()) {
+    filesToCheck.push(
+      getVersionsFromFile(new URL(`./${dirent.name}`, dataFolder))
+    );
+  }
+}
+
+await Promise.all(filesToCheck);
+
+console.log(`::set-output name=NODE_RELEASED_VERSIONS::${result.join(',')}`);