Initial commit: Epson ePOS Node backend + Vue3 UI (printer matricial2)

scripts/print_referencia.js

@@ -0,0 +1,35 @@
+// Print the referencia.jpeg as a raster image via backend Node
+process.env.PRINTER_HOST = process.env.PRINTER_HOST || '192.168.87.147';
+process.env.PRINTER_DEVICE_ID = process.env.PRINTER_DEVICE_ID || 'matricial2';
+process.env.PRINTER_TIMEOUT_MS = process.env.PRINTER_TIMEOUT_MS || '60000';
+
+process.env.PORT = process.env.PORT || '3002';
+process.env.TEST_BASE_URL = process.env.TEST_BASE_URL || `http://localhost:${process.env.PORT}`;
+require('../src/server.js');
+
+const axios = require('axios');
+
+async function sleep(ms) { return new Promise(r => setTimeout(r, ms)); }
+
+async function run() {
+  const base = process.env.TEST_BASE_URL || 'http://localhost:3002';
+  await sleep(500);
+  const widths = [576, 512, 448, 384];
+  for (const w of widths) {
+    try {
+      console.log(`Intentando imprimir referencia.jpeg con width=${w}`);
+      const resp = await axios.post(base + '/api/print/image', { path: 'referencia.jpeg', width: w, threshold: 128, mode: 'mono' }, { timeout: 180000 });
+      console.log(resp.data);
+      if (resp.data && resp.data.ok) {
+        console.log('Impresión OK con width=', w);
+        return;
+      }
+    } catch (e) {
+      console.error('Error al imprimir con width', w, e.message);
+    }
+    await sleep(800);
+  }
+  console.error('No se pudo confirmar OK en ninguna anchura. Revisa el resultado visual o ajusta el umbral.');
+}
+
+run().catch((e) => { console.error(e); process.exit(1); });