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node_modules/pidtree/lib/powershell.js

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+import {run as defaultRun} from './bin.js';
+import {parse} from './parse.js';
+
+// PowerShell command used to list every process as "<ppid> <pid>" lines.
+// Get-CimInstance is the supported replacement for the removed wmic utility
+// (see https://github.com/simonepri/pidtree/issues/20). $ProgressPreference is
+// silenced so PowerShell does not serialize its progress stream to stderr.
+const COMMAND =
+  "$ProgressPreference = 'SilentlyContinue'; " +
+  'Get-CimInstance -ClassName Win32_Process | ' +
+  'ForEach-Object { "$($_.ParentProcessId) $($_.ProcessId)" }';
+
+// The command is passed through -EncodedCommand (Base64 of the UTF-16LE
+// string) to avoid any cross-shell argument quoting issues on Windows.
+const ENCODED = Buffer.from(COMMAND, 'utf16le').toString('base64');
+
+/**
+ * Gets the list of all the pids of the system through PowerShell.
+ * Used as a fallback on Windows installations where wmic is not available
+ * (e.g. Windows 11 24H2 and Windows Server 2025).
+ * @param {Function} callback callback(err, list)
+ * @param {Function} [run] Injectable spawner, used for testing.
+ */
+export function powershell(callback, run = defaultRun) {
+  const args = ['-NoProfile', '-NonInteractive', '-EncodedCommand', ENCODED];
+  const options = {windowsHide: true};
+
+  // Example of stdout
+  //
+  // 0 777
+  // 777 778
+  run('powershell', args, options, (error, stdout, code) => {
+    if (error) {
+      callback(error);
+      return;
+    }
+
+    if (code !== 0) {
+      callback(
+        new Error('pidtree powershell command exited with code ' + code),
+      );
+      return;
+    }
+
+    try {
+      callback(null, parse(stdout));
+    } catch (error) {
+      callback(error);
+    }
+  });
+}