ByteScout Cloud API Server – Barcode Reader API – JavaScript – Read Barcode From URL (Node.js)

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ByteScout Cloud API Server – Barcode Reader API – JavaScript – Read Barcode From URL (Node.js)

printable version:
ByteScout-Cloud-API-Server-JavaScript-Read-Barcode-From-URL-(Node-js).pdf

How to read barcode from URL (node for barcode reader API in JavaScript using ByteScout Cloud API Server

How to read barcode from URL (node in JavaScript with easy ByteScout code samples to make barcode reader API. Step-by-step tutorial

These source code samples are listed and grouped by their programming language and functions they use. ByteScout Cloud API Server helps with barcode reader API in JavaScript. ByteScout Cloud API Server is the ready to deploy Web API Server that can be deployed in less than thirty minutes into your own in-house Windows server (no Internet connnection is required to process data!) or into private cloud server. Can store data on in-house local server based storage or in Amazon AWS S3 bucket. Processing data solely on the server using built-in ByteScout powered engine, no cloud services are used to process your data!.

Want to learn quickly? These fast application programming interfaces of ByteScout Cloud API Server for JavaScript plus the instruction and the code below will help to learn how to read barcode from URL (node. For implementation of this functionality, please copy and paste the code below into your app using code editor. Then compile and run your app. Use of ByteScout Cloud API Server in JavaScript is also described in the documentation given along with the product.

Trial version of ByteScout is available for free download from our website. This and other source code samples for JavaScript and other programming languages are available.

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app.js

      // Please NOTE: In this sample we're assuming Cloud Api Server is hosted at "https://localhost". 
// If it's not then please replace this with with your hosting url.

var https = require("https");

// Direct URL of source file to search barcodes in.
const SourceFileUrl = "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/barcode-reader/sample.pdf";
// Comma-separated list of barcode types to search. 
// barcode types
const BarcodeTypes = "Code128,Code39,Interleaved2of5,EAN13";
// Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'.
const Pages = "";


// Prepare request to `Barcode Reader` API endpoint
var queryPath = `/barcode/read/from/url?types=${BarcodeTypes}&pages=${Pages}&url=${SourceFileUrl}`;
var reqOptions = {
    host: "localhost",
    path: encodeURI(queryPath)
};
// Send request
https.get(reqOptions, (response) => {
    response.on("data", (d) => {
        // Parse JSON response
        var data = JSON.parse(d);
        
        if (data.error == false) {
            // Display found barcodes in console
            data.barcodes.forEach((element) => {
                console.log("Found barcode:");
                console.log("  Type: " + element.TypeName);
                console.log("  Value: " + element.Value);
                console.log("  Document Page Index: " + element.Page);
                console.log("  Rectangle: " + element.Rect);
                console.log("  Confidence: " + element.Confidence);
                console.log("");
            }, this);
        }
        else {
            // Service reported error
            console.log(data.message);
        }
    });
}).on("error", (e) => {
    // Request error
    console.error(e);
});

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package.json

      {
  "name": "test",
  "version": "1.0.0",
  "description": "PDF.co",
  "main": "app.js",
  "scripts": {
  },
  "keywords": [
    "pdf.co",
    "web",
    "api",
    "bytescout",
    "api"
  ],
  "author": "ByteScout & PDF.co",
  "license": "ISC",
  "dependencies": {
    "request": "^2.88.2"
  }
}