Added first iteration/poc of changelog task

scripts/cli/tasks/changelog.ts

@@ -0,0 +1,34 @@
+import { Task, TaskRunner } from './task';
+import axios from 'axios';
+import issueRegex from 'issue-regex';
+
+const githubGrafanaUrl = 'https://github.com/grafana/grafana';
+
+interface ChangelogOptions {}
+
+const changelogTaskRunner: TaskRunner<ChangelogOptions> = async () => {
+  let client = axios.create({
+    baseURL: 'https://api.github.com/repos/grafana/grafana',
+    timeout: 10000,
+  });
+
+  const res = await client.get('/issues?state=closed&labels=' + encodeURIComponent('add to changelog'));
+  let markdown = '';
+
+  for (const item of res.data) {
+    markdown += '* ' + item.title;
+    markdown += ` [#${item.number}](${githubGrafanaUrl}/issues/${item.number})`;
+
+    for (const issue of item.body.match(issueRegex())) {
+      markdown += ` [#${issue}](${githubGrafanaUrl}/issues/${issue})`;
+    }
+
+    markdown += '\n';
+  }
+
+  console.log(markdown);
+};
+
+export const changelogTask = new Task<ChangelogOptions>();
+changelogTask.setName('Changelog generator task');
+changelogTask.setRunner(changelogTaskRunner);