chore: Add lock workflow

.github/workflows/lock-discussion/.gitignore

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+node_modules
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?

.github/workflows/lock-discussion/index.mjs

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+// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+//import fetch from "node-fetch";
+import { graphql } from "@octokit/graphql"
+//global.fetch = fetch;
+
+const graphqlWithAuth = graphql.defaults({
+  headers: {
+    authorization: process.env.TOKEN,
+  },
+});
+
+async function lockDiscussions(ids) {
+  for (let discussionId of ids) {
+    try {
+      await graphqlWithAuth(
+        `
+          mutation lock ($id: ID!) {
+            lockLockable(input:{lockableId: $id}) {
+                clientMutationId
+            }
+          }
+        `,
+        {
+          id: discussionId,
+        }
+      );
+    } catch (e) {
+      console.log(e);
+    }
+  }
+}
+
+async function main () {
+  const unlockedNodes = []
+  const oneDay = 1000 * 60 * 60 * 24; // one day in ms
+  const today = new Date();
+  let readDiscussions = true
+  let cursor = null
+  while (readDiscussions) {
+    const {repository} = await graphqlWithAuth(`
+        query discussionListQuery ($owner: String!, $repo: String!, $lastId: String) {
+            repository(owner:$owner, name:$repo) {
+                discussions(states:[OPEN], first:4, after: $lastId) {
+                    totalCount
+                    nodes {
+                        id
+                        answerChosenAt
+                        createdAt
+                        updatedAt
+                        locked
+                        title
+                        category {
+                          name
+                        }
+                    }
+                    pageInfo {
+                        endCursor
+                        hasNextPage
+                    } 
+                }
+            }
+        }
+    `, {
+      owner: "cloudscape-design",
+      repo: "components",
+      lastId: cursor,
+    });
+
+    repository.discussions.nodes.forEach(discussion => {
+      if (!discussion.locked) {
+        const isQA = discussion.category.name === 'Q&A'
+        const lockQA = !!discussion.answerChosenAt
+          && (today - new Date(discussion.answerChosenAt).getTime()) / oneDay > 7
+
+        // there is no reliable way to detect if it was answered,
+        // so we give it 2 weeks
+        const lockGeneral = !!discussion.updatedAt
+          && discussion.updatedAt !== discussion.createdAt
+          && (today - new Date(discussion.updatedAt).getTime()) / oneDay > 14
+
+        const shouldBeLocked = isQA ? lockQA : lockGeneral;
+        if (shouldBeLocked) {
+          unlockedNodes.push(discussion.id)
+        }
+      }
+    })
+    const {endCursor, hasNextPage} = repository.discussions.pageInfo;
+    readDiscussions = hasNextPage
+    cursor = endCursor
+  }
+
+  console.log(`Discussions to lock: ${unlockedNodes.length}`);
+  if (unlockedNodes.length) {
+    await lockDiscussions(unlockedNodes);
+  }
+  console.log('Locking completed');
+}
+
+main();

.github/workflows/lock-discussion/package.json

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+{
+  "name": "lock-discussion",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.mjs",
+  "type": "module",
+  "scripts": {
+    "lock": "node index.mjs $TOKEN"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/cloudscape-design/actions.git"
+  },
+  "private": true,
+  "dependencies": {
+    "@octokit/graphql": "^7.0.2"
+  }
+}

.github/workflows/lock.yml

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+name: Lock threads
+
+
+on:
+  schedule:
+    - cron: '0 0 * * 1'
+
+  workflow_dispatch:
+  pull_request:
+    branches:
+      - main
+
+permissions:
+  discussions: write
+
+jobs:
+  lock-discussion:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup lock-discussion project
+        run: |
+          cp -r components/.github/workflows/lock-discussion lock-discussion
+          cd lock-discussion
+          npm i --force
+
+      - name: Run lock discussion
+        run: |
+          cd lock-discussion
+          npm run lock --TOKEN=${{ secrets.GITHUB_TOKEN }}