tools: add workflow to ensure README lists are in sync with gh teams

.github/workflows/linters.yml

@@ -185,4 +185,21 @@ jobs:
       - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332  # v4.1.7
         with:
           persist-credentials: false
-      - run: tools/lint-readme-lists.mjs
+      - name: Get team members if possible
+        id: team_members
+        run: |
+          get_list_members() {
+            TEAM="$1"
+            QUOTE='"'
+            gh api "/orgs/nodejs/teams/$TEAM/members" -X GET -f per_page=100 --jq "map(.login) | ${QUOTE}${TEAM}=\(tojson)${QUOTE}"
+          }
+          [ -z "$GITHUB_TOKEN" ] || (
+            get_list_members "collaborators"
+            get_list_members "issue-triage"
+            get_list_members "tsc"
+          ) >> "$GITHUB_OUTPUT"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GH_USER_TOKEN }}
+      - run: tools/lint-readme-lists.mjs "$TEAMS"
+        env:
+          TEAMS: ${{ tojson(steps.team_members.outputs) }}

tools/lint-readme-lists.mjs

@@ -1,17 +1,26 @@
 #!/usr/bin/env node
 
-// Validates the list in the README are in the correct order.
+// Validates the list in the README are in the correct order, and consistent with the actual GitHub teams.
 
+import assert from 'node:assert';
 import { open } from 'node:fs/promises';
+import { argv } from 'node:process';
 
-const lists = [
-  'TSC voting members',
-  'TSC regular members',
-  'TSC emeriti members',
-  'Collaborators',
-  'Collaborator emeriti',
-  'Triagers',
-];
+const lists = {
+  '__proto__': null,
+
+  'TSC voting members': 'tsc',
+  'TSC regular members': null,
+  'TSC emeriti members': null,
+  'Collaborators': 'collaborators',
+  'Collaborator emeriti': null,
+  'Triagers': 'issue-triage',
+};
+const actualMembers = {
+  __proto__: null,
+  // The bot is part of `@nodejs/collaborators`, but is not listed in the README.
+  collaborators: new Set().add('nodejs-github-bot'),
+};
 const tscMembers = new Set();
 
 const readme = await open(new URL('../README.md', import.meta.url), 'r');
@@ -23,26 +32,47 @@ let lineNumber = 0;
 for await (const line of readme.readLines()) {
   lineNumber++;
   if (line.startsWith('### ')) {
-    currentList = lists[lists.indexOf(line.slice(4))];
+    currentList = line.slice(4);
     previousGithubHandle = null;
   } else if (line.startsWith('#### ')) {
-    currentList = lists[lists.indexOf(line.slice(5))];
+    currentList = line.slice(5);
     previousGithubHandle = null;
-  } else if (currentList && line.startsWith('* [')) {
-    const currentGithubHandle = line.slice(3, line.indexOf(']')).toLowerCase();
-    if (previousGithubHandle && previousGithubHandle >= currentGithubHandle) {
-      throw new Error(`${currentGithubHandle} should be listed before ${previousGithubHandle} in the ${currentList} list (README.md:${lineNumber})`);
+  } else if (currentList in lists && line.startsWith('* [')) {
+    const currentGithubHandle = line.slice(3, line.indexOf(']'));
+    const currentGithubHandleLowerCase = currentGithubHandle.toLowerCase();
+    if (
+      previousGithubHandle &&
+      previousGithubHandle >= currentGithubHandleLowerCase
+    ) {
+      throw new Error(
+        `${currentGithubHandle} should be listed before ${previousGithubHandle} in the ${currentList} list (README.md:${lineNumber})`,
+      );
     }
 
-    if (currentList === 'TSC voting members' || currentList === 'TSC regular members') {
+    if (
+      currentList === 'TSC voting members' ||
+      currentList === 'TSC regular members'
+    ) {
       tscMembers.add(currentGithubHandle);
     } else if (currentList === 'Collaborators') {
       tscMembers.delete(currentGithubHandle);
     }
-    previousGithubHandle = currentGithubHandle;
+    if (lists[currentList]) {
+      (actualMembers[lists[currentList]] ??= new Set()).add(currentGithubHandle);
+    }
+    previousGithubHandle = currentGithubHandleLowerCase;
   }
 }
+console.info('Lists are in the alphabetical order.');
+
+assert.deepStrictEqual(tscMembers, new Set(), 'Some TSC members are not listed as Collaborators');
 
-if (tscMembers.size !== 0) {
-  throw new Error(`Some TSC members are not listed as Collaborators: ${Array.from(tscMembers)}`);
+if (argv[2] && argv[2] !== '{}') {
+  const reviver = (_, value) =>
+    (typeof value === 'string' && value[0] === '[' && value.at(-1) === ']' ?
+      new Set(JSON.parse(value)) :
+      value);
+  assert.deepStrictEqual(JSON.parse(argv[2], reviver), { ...actualMembers });
+} else {
+  console.warn('Skipping the check of GitHub teams membership.');
 }