Barcode Scanner Setup

// Simplified detection algorithm
const SCAN_THRESHOLD_MS = 50; // Characters typed within 50ms = scanner

let buffer = '';
let lastKeyTime = 0;

document.addEventListener('keypress', (e) => {
  const now = Date.now();
  const timeDelta = now - lastKeyTime;
  
  if (timeDelta < SCAN_THRESHOLD_MS) {
    // Rapid input = scanner
    buffer += e.key;
  } else {
    // Slow typing = human
    buffer = e.key;
  }
  
  if (e.key === 'Enter') {
    // Scanner completed, process buffer
    handleBarcodeScanned(buffer);
    buffer = '';
  }
  
  lastKeyTime = now;
});

const catnp = [
  { ID: 1, NP: 'NP-001-ARN', MATERIAL: 'Cobre', PESO: 0.125, COSTO: 2.50, ... }
];

// When "NP-001-ARN" is scanned:
const part = catnp.find(p => p.NP === 'NP-001-ARN');
// Auto-populate form fields with part data

const fallas = [
  { ID: 9, FALLA: 'Terminal mal crimpada', FALLA_BARRA: 'F-009-ARN', ... }
];

// When "F-009-ARN" is scanned:
const defect = fallas.find(f => f.FALLA_BARRA === 'F-009-ARN');
// Auto-select defect in dropdown

┌─────────────────────────┐
│  APTIV - Part Number    │
│                         │
│  █▌▐ ███ █▌▌█ █▌▐ ███  │  ← Code 128 barcode
│     NP-001-ARN          │  ← Human-readable
│                         │
│  Arnés principal motor  │  ← Description
│  Cobre | 0.125 kg       │  ← Material & Weight
└─────────────────────────┘

┌─────────────────────────┐
│  APTIV - Defect Code    │
│                         │
│  █▌▐ ███ █▌▌█ █▌▐ ███  │  ← Code 128 barcode
│       F-009-ARN         │  ← Human-readable
│                         │
│  Terminal mal crimpada  │  ← Defect description
│  Área: Arneses          │  ← Associated area
└─────────────────────────┘

npm install bwip-js

const bwipjs = require('bwip-js');

// Generate Code 128 barcode for part number
bwipjs.toBuffer({
  bcid: 'code128',
  text: 'NP-001-ARN',
  scale: 3,
  height: 10,
  includetext: true,
  textxalign: 'center',
}, (err, png) => {
  // Save PNG to file or print to label
});