gtin-lookup

A Javascript module to lookup GTIN, EAN or ISBN codes using the API on https://www.ean-search.org

Install

npm install gtin-lookup

Obtain an API key

To use the module, you need an API access token from https://www.ean-search.org/ean-database-api.html

Usage

`javascript

var GTINLookup = require("gtin-lookup");

const apiToken = "abcdef"; var gtinLookup = new GTINLookup(apiToken);

// lookup GTIN, prefer English (1) name const gtin = "5099750442227"; gtinLookup.gtinLookup(gtin, 1, function(response){ if (!response.serverError) { console.log("gtinLookup()"); if (response.product != undefined) { console.log("GTIN " + gtin + " is " + response.product[0].name + " category: " + response.product[0].categoryName); } else { console.log("GTIN " + gtin + " not found in database"); } } else { console.log('Server error: ' + resp.statusCode); } });

// lookup book data using ISBN-10 or ISBN-13 const isbn = "1119578884"; gtinLookup.isbnLookup(isbn, function(response){ if (!response.serverError) { console.log("isbnLookup()"); if (response.product != undefined) { console.log("ISBN " + isbn + " is " + response.product[0].name); } else { console.log("ISBN " + isbn + " not found in database"); } } else { console.log('Server error: ' + resp.statusCode); } });

// search for product name (exact match), prefer English (1) let name = "Bananaboat"; gtinLookup.gtinSearch(name, 1, function(response){ if (!response.serverError) { console.log("gtinSearch()"); if (response.product.productlist != undefined) { for (let i = 0; i < response.product.productlist.length; i++) { console.log(response.product.productlist[i].ean + " is " + response.product.productlist[i].name); } } else { console.log("Name " + name + " not found in database"); } } else { console.log('Server error: ' + resp.statusCode); } });

// search for product with a similar name gtinLookup.gtinSimilarSearch("Apple iPhone 16GB robust", 1, function(response){ if (!response.serverError) { console.log("gtinSimilarSearch()"); if (response.product.productlist != undefined) { for (let i = 0; i < response.product.productlist.length; i++) { console.log(response.product.productlist[i].ean + " is " + response.product.productlist[i].name); } } else { console.log("Name " + name + " not found in database"); } } else { console.log('Server error: ' + resp.statusCode); } });

// search for name, but restrict to Fashion category (20), prefer English (1) gtinLookup.gtinCategorySearch(name, 20, 1, function(response){ if (!response.serverError) { console.log("gtinCategorySearch()"); if (response.product.productlist != undefined) { for (let i = 0; i < response.product.productlist.length; i++) { console.log("Fashion: " + response.product.productlist[i].ean + " is " + response.product.productlist[i].name); } } else { console.log("Name " + name + " not found in database"); } } else { console.log('Server error: ' + resp.statusCode); } });

// find all GTINs starting with "5099750442", prefer English (1), just fetch page 0 gtinLookup.gtinPrefixSearch("5099750442", 1, 0, function(response){ if (!response.serverError) { console.log("gtinPrefixSearch()"); if (response.product.productlist != undefined) { for (let i = 0; i < response.product.productlist.length; i++) { console.log(response.product.productlist[i].ean + " is " + response.product.productlist[i].name); } } else { console.log("Name " + name + " not found in database"); } } else { console.log('Server error: ' + resp.statusCode); } });

// lookup the country where a GTIN barcode was registered gtinLookup.gtinIssuingCountryLookup(gtin, function(response){ if (!response.serverError) { console.log("gtinIssuingCountryLookup()"); console.log("GTIN " + gtin + " was issued in " + response.product[0].issuingCountry); } else { console.log('Server error: ' + resp.statusCode); } });

// verify the checksum of a GTIN gtinLookup.gtinVerifyChecksum(gtin, function(response){ if (!response.serverError) { console.log("gtinVerifyChecksum()"); console.log("Checksum of GTIN " + gtin + " is " + (response.product[0].valid ? "OK" : "Invalid")); } else { console.log('Server error: ' + resp.statusCode); } });

// generate a PNG barcode image for a GTIN var width = 200; // PNG width var height = 100; // PNG height gtinLookup.gtinBarcodeImage(gtin, width, height, function(response){ if (!response.serverError) { console.log("gtinBarcode()"); console.log("Base64 encoded PNG image of GTIN " + gtin + " barcode: " + response.product[0].barcode); } else { console.log('Server error: ' + resp.statusCode); } });