+ A modern TypeScript library for validating tracking numbers from 11+ shipping carriers +
+# Using pnpm (recommended)
+pnpm add tracking-number-validation
+
+# Using npm
+npm install tracking-number-validation
+
+# Using yarn
+yarn add tracking-number-validationimport { getCourier, isValid, getTrackingUrl } from 'tracking-number-validation';
+
+// Identify courier
+const courier = getCourier('1Z9999W99999999999');
+console.log(courier); // ['ups']
+
+// Validate tracking number
+const valid = isValid('1Z9999W99999999999');
+console.log(valid); // true
+
+// Get tracking URL
+const url = getTrackingUrl('1Z9999W99999999999');
+console.log(url); // UPS tracking URLEnter a tracking number to see validation results...
+Generate valid tracking numbers for testing purposes.
+Validate multiple tracking numbers at once.
+Add custom patterns to existing couriers.
+United Parcel Service
+1Z tracking numbers
+Federal Express
+12-22 digit formats
+United States Postal Service
+Various formats including 95xx
+DHL Express
+Express & eCommerce
+Amazon Logistics
+TBA, TBC, TBM, TBD formats
+OnTrac Shipping
+C/D prefixes, LaserShip merged
+Canada Post Corporation
+13-16 digit formats
+China Post Corporation
+CN suffix formats
+Australia Post Corporation
+AU suffix & TM formats
+Royal Mail Group
+GB suffix formats
+Add Custom Patterns
+Inject your own regex patterns
+import {
+ getCourier,
+ isValid,
+ getTrackingUrl,
+ generateTrackingNumber,
+ getDetailedCourierInfo
+} from 'tracking-number-validation';
+
+// Basic validation
+const trackingNumber = '1Z9999W99999999999';
+const couriers = getCourier(trackingNumber);
+console.log(couriers); // ['ups']
+
+// Check validity
+const isValidNumber = isValid(trackingNumber);
+console.log(isValidNumber); // true
+
+// Get tracking URL
+const url = getTrackingUrl(trackingNumber);
+console.log(url); // UPS tracking URL
+
+// Generate test tracking number
+const generated = generateTrackingNumber('ups');
+console.log(generated); // Valid UPS tracking number
+
+// Get detailed information
+const details = getDetailedCourierInfo(trackingNumber);
+console.log(details);
+// [{ courier: 'ups', valid: true, tracking_url: '...' }]const {
+ getCourier,
+ isValid,
+ getTrackingUrl,
+ generateTrackingNumber
+} = require('tracking-number-validation');
+
+// Validate tracking number
+const trackingNumber = '9400100000000000000000';
+const courier = getCourier(trackingNumber);
+console.log(courier); // ['usps']
+
+// Check if specific courier
+const isUSPS = require('tracking-number-validation')
+ .isCourier(trackingNumber, 'usps');
+console.log(isUSPS); // true
+
+// Generate multiple numbers
+const multiple = require('tracking-number-validation')
+ .generateMultipleTrackingNumbers('fedex', 3);
+console.log(multiple); // Array of FedEx tracking numbers
+
+// Inject custom pattern
+const success = require('tracking-number-validation')
+ .injectPatterns('ups', /CUSTOM\\d{10}/);
+console.log(success); // true