123 lines
3.3 KiB
JavaScript
123 lines
3.3 KiB
JavaScript
const { ThermalPrinter, PrinterTypes, CharacterSet, BreakLine } = require('../node-thermal-printer');
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async function example () {
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const printer = new ThermalPrinter({
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type: PrinterTypes.EPSON, // 'star' or 'epson'
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interface: process.argv[2],
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options: {
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timeout: 1000,
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},
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width: 48, // Number of characters in one line - default: 48
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characterSet: CharacterSet.SLOVENIA, // Character set - default: SLOVENIA
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breakLine: BreakLine.WORD, // Break line after WORD or CHARACTERS. Disabled with NONE - default: WORD
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removeSpecialCharacters: false, // Removes special characters - default: false
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lineCharacter: '-', // Use custom character for drawing lines - default: -
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});
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const isConnected = await printer.isPrinterConnected();
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console.log('Printer connected:', isConnected);
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printer.alignCenter();
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await printer.printImage('./assets/olaii-logo-black-small.png');
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printer.alignLeft();
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printer.newLine();
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printer.println('Hello World!');
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printer.println('This is a long line that will be collapsed into two lines');
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printer.drawLine();
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printer.upsideDown(true);
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printer.println('Hello World upside down!');
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printer.upsideDown(false);
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printer.drawLine();
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printer.invert(true);
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printer.println('Hello World inverted!');
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printer.invert(false);
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printer.drawLine();
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printer.println('Special characters: Č芚ŽžĐđĆćßẞöÖÄäüÜé');
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printer.drawLine();
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printer.setTypeFontB();
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printer.println('Type font B');
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printer.setTypeFontA();
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printer.println('Type font A');
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printer.drawLine();
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printer.alignLeft();
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printer.println('This text is on the left');
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printer.alignCenter();
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printer.println('This text is in the middle');
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printer.alignRight();
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printer.println('This text is on the right');
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printer.alignLeft();
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printer.drawLine();
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printer.setTextDoubleHeight();
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printer.println('This is double height');
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printer.setTextDoubleWidth();
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printer.println('This is double width');
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printer.setTextQuadArea();
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printer.println('This is quad');
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printer.setTextSize(7, 7);
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printer.println('Wow');
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printer.setTextSize(0, 0);
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printer.setTextNormal();
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printer.println('This is normal');
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printer.drawLine();
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printer.println('Draw a line with a custom character');
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printer.drawLine('=');
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try {
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printer.printBarcode('4126570807191');
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printer.code128('4126570807191', {
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height: 50,
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text: 1,
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});
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printer.beep();
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} catch (error) {
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console.error(error);
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}
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printer.pdf417('4126565129008670807191');
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printer.printQR('https://olaii.com');
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printer.newLine();
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printer.leftRight('Left', 'Right');
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printer.table(['One', 'Two', 'Three', 'Four']);
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printer.tableCustom([
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{ text: 'Left', align: 'LEFT', width: 0.5 },
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{
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text: 'Center', align: 'CENTER', width: 0.25, bold: true,
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},
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{ text: 'Right', align: 'RIGHT', width: 0.25 },
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]);
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printer.tableCustom([
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{ text: 'Left', align: 'LEFT', cols: 8 },
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{
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text: 'Center', align: 'CENTER', cols: 10, bold: true,
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},
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{ text: 'Right', align: 'RIGHT', cols: 10 },
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]);
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printer.cut();
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printer.openCashDrawer();
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console.log(printer.getText());
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try {
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await printer.execute();
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console.log('Print success.');
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} catch (error) {
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console.error('Print error:', error);
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}
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}
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example();
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