ByteScout Cloud API Server – PDF To HTML API – JavaScript – Convert PDF To HTML From File (Node.js) – Async API

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ByteScout Cloud API Server – PDF To HTML API – JavaScript – Convert PDF To HTML From File (Node.js) – Async API

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ByteScout-Cloud-API-Server-JavaScript-Convert-PDF-To-HTML-From-File-(Node-js)-Async-API.pdf

How to convert PDF to HTML from file (node for PDF to HTML API in JavaScript with ByteScout Cloud API Server

Step By Step Instructions on how to convert PDF to HTML from file (node for PDF to HTML API in JavaScript

The sample source codes on this page will show you how to create PDF to HTML API in JavaScript. ByteScout Cloud API Server was designed to assist PDF to HTML API in JavaScript. ByteScout Cloud API Server is API server that is ready to use and can be installed and deployed in less than 30 minutes on your own Windows server or server in a cloud. It can save data and files on your local server-based file storage or in Amazon AWS S3 storage. Data is processed solely on the API server and is powered by ByteScout engine, no cloud services or Internet connection is required for data processing..

If you want to speed up the application’s code writing then JavaScript code samples for JavaScript developers help to implement using ByteScout Cloud API Server. Open your JavaScript project and simply copy & paste the code and then run your app! Enjoy writing a code with ready-to-use sample JavaScript codes to add PDF to HTML API functions using ByteScout Cloud API Server in JavaScript.

ByteScout Cloud API Server – free trial version is available on our website. Also, there are other code samples to help you with your JavaScript application included into trial version.

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app.js

      /*jshint esversion: 6 */

// 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");
var path = require("path");
var fs = require("fs");

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

// Source PDF file
const SourceFile = "./sample.pdf";
// Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'.
const Pages = "";
// PDF document password. Leave empty for unprotected documents.
const Password = "";
// Destination HTML file name
const DestinationFile = "./result.html";
// Set to `true` to get simplified HTML without CSS. Default is the rich HTML keeping the document design.
const PlainHtml = 'False';
// Set to `true` if your document has the column layout like a newspaper.
const ColumnLayout = 'False';


// Prepare request uri for `PDF To HTML` API endpoint
var query = `https://localhost/pdf/convert/to/html`;
let reqOptions = {
    uri: query,
    formData: {
        name: path.basename(DestinationFile),
        password: Password,
        pages: Pages,
        simple: PlainHtml,
        columns: ColumnLayout,
        async: 'True',
        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);
    console.log(`Job #${data.jobId} has been created!`);

    checkIfJobIsCompleted(data.jobId, data.url);
});

function checkIfJobIsCompleted(jobId, resultFileUrl) {
    let queryPath = `/job/check?jobid=${jobId}`;
    let reqOptions = {
        host: "localhost",
        path: encodeURI(queryPath),
        method: "GET" 
    };

    https.get(reqOptions, (response) => {
        response.on("data", (d) => {
            response.setEncoding("utf8");

            // Parse JSON response
            let data = JSON.parse(d);
            console.log(`Checking Job #${jobId}, Status: ${data.status}, Time: ${new Date().toLocaleString()}`);

            if (data.status == "working") {
                // Check again after 3 seconds
                setTimeout(function(){ checkIfJobIsCompleted(jobId, resultFileUrl); }, 3000);
            }
            else if (data.status == "success") {
                // Download HTML file
                var file = fs.createWriteStream(DestinationFile);
                https.get(resultFileUrl, (response2) => {
                    response2.pipe(file)
                        .on("close", () => {
                            console.log(`Generated HTML file saved as "${DestinationFile}" file.`);
                        });
                });
            }
            else {
                console.log(`Operation ended with status: "${data.status}".`);
            }
        })
    });
}

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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"
  }
}