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Basics of credential printer

This commit is contained in:
Skylar Grant 2024-09-06 19:26:30 -04:00
parent 5869456b6a
commit 1fb025a603
4 changed files with 89 additions and 1 deletions
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4
.gitignore vendored
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mccs-it/data
mccs-it/data
node_modules
package-lock.json

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mccs-it/thermal/app.js Normal file
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const express = require('express');
const ThermalPrinter = require('node-thermal-printer').printer;
const Types = require('node-thermal-printer').types;
const printer = require('printer');
const app = express();
const port = 3000;
// Middleware to serve static files (HTML)
app.use(express.static('public'));
// Setup thermal printer
const thermalPrinter = new ThermalPrinter({
type: Types.STAR, // Replace with the correct printer type (e.g., STAR, EPSON)
interface: 'printer:TSP100', // Printer name as recognized by the OS
driver: printer, // Use node-printer driver
});
// Test print function
app.post('/test-print', async (req, res) => {
try {
// Initialize the printer
const isConnected = await thermalPrinter.isPrinterConnected();
if (!isConnected) {
return res.status(500).json({ message: 'Printer not connected' });
}
// Print a test line
thermalPrinter.println('This is a test print');
thermalPrinter.cut();
// Execute the print job
await thermalPrinter.execute();
res.json({ message: 'Print Success' });
} catch (error) {
console.error('Print Error:', error);
res.status(500).json({ message: 'Print Error', error: error.message });
}
});
// Start the server
app.listen(port, () => {
console.log(`Server running at http://localhost:${port}`);
});

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mccs-it/thermal/package.json Normal file
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{
"name": "thermal",
"version": "1.0.0",
"description": "Web portal to print to a TSP100 thermal printer.",
"main": "app.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"repository": {
"type": "git",
"url": "https://git.vfsh.dev/voidf1sh/custom-scripts"
},
"author": "Skylar Grant",
"license": "MIT",
"dependencies": {
"express": "^4.19.2",
"node-thermal-printer": "^4.4.3",
"printer": "^0.4.0"
}
}

21
mccs-it/thermal/public/index.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Test Print</title>
</head>
<body>
<h1>Thermal Printer Test</h1>
<button id="testPrintBtn">Test Print</button>
<script>
document.getElementById('testPrintBtn').addEventListener('click', () => {
fetch('/test-print', { method: 'POST' })
.then(response => response.json())
.then(data => alert(data.message))
.catch(error => alert('Error: ' + error));
});
</script>
</body>
</html>