Geräte-Agent für lokale Scan-Aufträge anlegen

agents/fedeo-device-agent/src/print/cups.ts

@@ -0,0 +1,15 @@
+import { commandExists, runCommand } from "../commands.js"
+
+export const hasCups = () => commandExists("lpstat")
+
+export const listPrinters = async () => {
+    if (!await hasCups()) return []
+
+    const result = await runCommand("lpstat", ["-p"], { timeoutMs: 10_000 })
+    if (result.code !== 0) return []
+
+    return result.stdout
+        .split(/\r?\n/)
+        .map((line) => line.match(/^printer\s+(\S+)/)?.[1])
+        .filter((printer): printer is string => Boolean(printer))
+}