Generate Barcode (Node.js) - AWS Lambda
Barcode Generator sample in AWS Lambda demonstrating ‘Generate Barcode (Node.js)’
app.js
var https = require("https");
// The authentication key (API Key).
// Get your own by registering at https://app.pdf.co
const API_KEY = "***********************************";
// Result image file name
const DestinationFile = "./barcode.png";
// Barcode type. See valid barcode types in the documentation https://apidocs.pdf.co
const BarcodeType = "Code128";
// Barcode value
const BarcodeValue = "qweasd123456";
// Prepare request to `Barcode Generator` API endpoint
var queryPath = `/v1/barcode/generate`;
// JSON payload for api request
var jsonPayload = JSON.stringify({
name: 'barcode.png',
type: BarcodeType,
value: BarcodeValue
});
var reqOptions = {
host: "api.pdf.co",
path: queryPath,
method: "POST",
headers: {
"x-api-key": API_KEY,
"Content-Type": "application/json",
"Content-Length": Buffer.byteLength(jsonPayload, 'utf8')
}
};
exports.handler = async (event) => {
let dataString = '';
const promise_response = await new Promise((resolve, reject) => {
// Send request
var postRequest = https.request(reqOptions, (response) => {
response.on('data', chunk => {
dataString += chunk;
});
response.on('end', () => {
resolve({
statusCode: 200,
body: JSON.stringify(JSON.parse(dataString), null, 4)
});
});
}).on("error", (e) => {
reject({
statusCode: 500,
body: 'Something went wrong!'
});
});
// Write request data
postRequest.write(jsonPayload);
postRequest.end();
});
return promise_response;
};
PDF.co Web API: the Web API with a set of tools for documents manipulation, data conversion, data extraction, splitting and merging of documents. Includes image recognition, built-in OCR, barcode generation and barcode decoders to decode bar codes from scans, pictures and pdf.
Download Source Code (.zip)
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