Werkt

print.ts

@@ -1,5 +1,7 @@
+import Printer from "@node-escpos/core";
+import Network from "@node-escpos/network-adapter";
 import { Buffer } from "buffer";
-import _, {floor} from "lodash";
+import _ from "lodash";
 
 const statics: any = {
     'ESC': '1B',
@@ -10,33 +12,38 @@ const mmToInch = 0.0393701;
 // 26x51 label, or 1" x 2"
 
 const pageWidth = getPageDimensionParameters(2);
-const pageHeight = getPageDimensionParameters(1);
+const pageHeight = getPageDimensionParameters(1 / 2);
 const command = `
     ESC i a 00h
     ESC @
-    ESC i L 01h
+    ESC i L 00h
     ESC ( C 02h 00h ${pageWidth.mL} ${pageWidth.mH}
     ESC $ CBh 00h
     ESC ( V 02h 00h ${pageHeight.mL} ${pageHeight.mH}
     ESC k 0Bh
     ESC X 00h 40h 00h
-    ESC i t0 r0 h E0h 00h w1 e0 z0 f1 B 123456789 \\
+    ESC i t0 r0 e0 z0 f1 B 123456789 \\
     FF
 `;
 
-const grocy_template_print = `
-  ^II
-  ^TS001
-  grcy:p:13:60bf8b5244b04
-  09h
-  Test Product
-  09h
-  01-01-2026
-  ^FF
+const barcodeHeight = getPageDimensionParameters(1 / 2);
+
+const grocycodeTest = `
+ESC @
+ESC i a 00h
+ESC i D 6h 00h 28h 28h 00h 00h 00h 00h 00h grcy:p:13:60bf8b5244b04 \\\\\\
+FF
 `
 
-
-console.warn('output: ', parseEscToHex(command))
+const grocy_template_hex = parseEscToHex(`
+  ^II
+  ^TS001 `) + parseTextToHex(`THT 02-01-2026`) +
+  parseEscToHex(`09h`) + parseTextToHex(`Test Product met lange naam`) +
+    parseEscToHex(`
+  09h
+  grcy:p:13:60bf8b5244b04
+  ^FF
+`);
 
 function inchToDots(value: number, dpi = 203) {
     const dots = value * dpi;
@@ -63,20 +70,45 @@ function getPageDimensionParameters(inInches: number) {
 function parseEscToHex(text: string): string {
 
     return text.trim().split(/\s+/)
-        .map(chunk => {
-            if (_.has(statics, chunk)) {
-                // Found static mapping
-                return statics[chunk]
-            }
-
-            if(chunk.length == 3 && chunk.endsWith('h')) {
-                // parse as hex
-                return chunk.slice(0, -1)
-            }
-
-            return Buffer.from(chunk).toString('hex')
-
-        })
+        .map(chunk => parseTextToHex(chunk))
         .join(' ')
+}
 
-}
+function parseTextToHex(text: string): string {
+    if (_.has(statics, text)) {
+        // Found static mapping
+        return statics[text]
+    }
+
+    if(text.length == 3 && text.endsWith('h')) {
+        // parse as hex
+        return text.slice(0, -1)
+    }
+
+    return Buffer.from(text).toString('hex')
+}
+
+
+///
+
+const device = new Network('172.20.0.112');
+
+device.open(async function (err) {
+    if (err) {
+        // handle error
+        return
+    }
+
+    // encoding is optional
+    const options = {encoding: "GB18030" /* default */}
+    let printer = new Printer(device, options);
+
+    // Path to png image
+
+    printer
+        // .raw(parseEscToHex(grocy_template_print))
+        .raw(grocy_template_hex)
+        // .size(1, 1)
+        // .text('EAN13 barcode example')
+        .close()
+});