Added 3 more tasks and refactored code to use a standalone shared npm package (installed locally from a tarball).

task/ListBlobs/src/index.ts

@@ -0,0 +1,89 @@
+import * as tl from 'azure-pipelines-task-lib/task';
+import {
+  requestStorageAccessToken,
+  requireInput
+} from '@skoszewski/ado-sk-toolkit-shared';
+
+function decodeXmlValue(value: string): string {
+  return value
+    .replace(/&lt;/g, '<')
+    .replace(/&gt;/g, '>')
+    .replace(/&quot;/g, '"')
+    .replace(/&apos;/g, "'")
+    .replace(/&amp;/g, '&');
+}
+
+function parseBlobNames(xml: string): string[] {
+  const regex = /<Name>([\s\S]*?)<\/Name>/g;
+  const names: string[] = [];
+  let match: RegExpExecArray | null = regex.exec(xml);
+
+  while (match) {
+    names.push(decodeXmlValue(match[1].trim()));
+    match = regex.exec(xml);
+  }
+
+  return names;
+}
+
+function buildListUrl(storageAccountName: string, containerName: string, prefix: string): string {
+  const url = new URL(`https://${storageAccountName}.blob.core.windows.net/${encodeURIComponent(containerName)}`);
+  url.searchParams.set('restype', 'container');
+  url.searchParams.set('comp', 'list');
+
+  if (prefix) {
+    url.searchParams.set('prefix', prefix);
+  }
+
+  return url.toString();
+}
+
+async function listBlobs(listUrl: string, bearerToken: string): Promise<string[]> {
+  const response = await fetch(listUrl, {
+    method: 'GET',
+    headers: {
+      Authorization: `Bearer ${bearerToken}`,
+      'x-ms-version': '2020-10-02',
+      'x-ms-date': new Date().toUTCString()
+    }
+  });
+
+  const body = await response.text();
+
+  if (!response.ok) {
+    throw new Error(`List blobs request failed (${response.status} ${response.statusText}): ${body}`);
+  }
+
+  return parseBlobNames(body);
+}
+
+async function run(): Promise<void> {
+  try {
+    const endpointId = requireInput('serviceConnectionARM');
+    const storageAccountName = requireInput('storageAccountName');
+    const containerName = requireInput('containerName');
+    const prefix = tl.getInput('prefix', false)?.trim() || '';
+
+    console.log('Requesting storage access token from Microsoft Entra ID...');
+    const accessToken = await requestStorageAccessToken(endpointId);
+
+    const listUrl = buildListUrl(storageAccountName, containerName, prefix);
+    const blobNames = await listBlobs(listUrl, accessToken);
+
+    const serialized = JSON.stringify(blobNames);
+    tl.setVariable('LIST_BLOBS_JSON', serialized);
+
+    console.log(`Found ${blobNames.length} blob(s).`);
+    if (blobNames.length > 0) {
+      console.log(blobNames.join('\n'));
+    }
+
+    tl.setResult(tl.TaskResult.Succeeded, `Listed ${blobNames.length} blob(s).`);
+  } catch (error) {
+    const message = error instanceof Error ? error.message : String(error);
+    tl.error(message);
+    tl.setResult(tl.TaskResult.Failed, `ListBlobs failed: ${message}`);
+  }
+}
+
+void run();