PDF.co Web API - Barcode Reader API - JavaScript - Read Barcode From File (Node.js)

printable version:
PDF-co-Web-API-JavaScript-Read-Barcode-From-File-(Node-js).pdf

How to read barcode from file (node for barcode reader API in JavaScript and PDF.co Web API

PDF.co Web API is the Rest API that provides set of data extraction functions, tools for documents manipulation, splitting and merging of pdf files. Includes built-in OCR, images recognition, can generate and read barcodes from images, scans and pdf.

On-demand (REST Web API) version:
Web API (on-demand version)

On-premise offline SDK for Windows:
60 Day Free Trial (on-premise)

app.js

      /*jshint esversion: 6 */
var fs = require("fs");

// `request` module is required for file upload.
// Use "npm install request" command to install.
var request = require("request");

// The authentication key (API Key).
// Get your own by registering at https://app.pdf.co/documentation/api
const API_KEY = "******************************";

// Source file name
const SourceFile = "./sample.pdf";
// Comma-separated list of barcode types to search. 
// See valid barcode types in the documentation https://app.pdf.co/documentation/api/1.0/barcode/read_from_url.html
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 query = `https://api.pdf.co/v1/barcode/read/from/url`;
let reqOptions = {
    uri: query,
    headers: { "x-api-key": API_KEY },
    formData: {
        types: BarcodeTypes,
        pages: Pages,
        file: fs.createReadStream(SourceFile)
    }
};

// Send request
request.post(reqOptions, function (error, response, body) {
    if (error) {
        return console.error("Error: ", error);
    }

    // Parse JSON response
    let data = JSON.parse(body);
    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);
});

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"
  }
}