ByteScout Cloud API Server - PDF To Excel API - JavaScript - Convert PDF To XLSX From Uploaded File (Node.js) - Async API - ByteScout

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

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How to convert PDF to XLSX from uploaded file (node for PDF to excel API in JavaScript using ByteScout Cloud API Server

Learn in simple ways: How to convert PDF to XLSX from uploaded file (node for PDF to excel API in JavaScript

Check these thousands of pre-made source code samples for simple implementation in your own programming projects. PDF to excel API in JavaScript can be applied with ByteScout Cloud API Server. 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!.

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. Follow the tutorial and copy – paste code for JavaScript into your project’s code editor. Writing JavaScript application mostly includes various stages of the software development so even if the functionality works please check it with your data and the production environment.

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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ConvertPdfToXlsxFromUploadedFile.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 XLSX file name const DestinationFile = "./result.xlsx"; // 1. RETRIEVE PRESIGNED URL TO UPLOAD FILE. getPresignedUrl(SourceFile) .then(([uploadUrl, uploadedFileUrl]) => { // 2. UPLOAD THE FILE TO CLOUD. uploadFile(SourceFile, uploadUrl) .then(() => { // 3. CONVERT UPLOADED PDF FILE TO XLSX convertPdfToXlsx(uploadedFileUrl, Password, Pages, DestinationFile); }) .catch(e => { console.log(e); }); }) .catch(e => { console.log(e); }); function getPresignedUrl(localFile) { return new Promise(resolve => { // Prepare request to `Get Presigned URL` API endpoint let queryPath = `/file/upload/get-presigned-url?contenttype=application/octet-stream&name=${path.basename(SourceFile)}`; let reqOptions = { host: "localhost", path: encodeURI(queryPath) }; // Send request https.get(reqOptions, (response) => { response.on("data", (d) => { let data = JSON.parse(d); if (data.error == false) { // Return presigned url we received resolve([data.presignedUrl, data.url]); } else { // Service reported error console.log("getPresignedUrl(): " + data.message); } }); }) .on("error", (e) => { // Request error console.log("getPresignedUrl(): " + e); }); }); } function uploadFile(localFile, uploadUrl) { return new Promise(resolve => { fs.readFile(SourceFile, (err, data) => { request({ method: "PUT", url: uploadUrl, body: data, headers: { "Content-Type": "application/octet-stream" } }, (err, res, body) => { if (!err) { resolve(); } else { console.log("uploadFile() request error: " + e); } }); }); }); } function convertPdfToXlsx(uploadedFileUrl, password, pages, destinationFile) { // Prepare request to `PDF To XLSX` API endpoint var queryPath = `/pdf/convert/to/xlsx?name=${path.basename(destinationFile)}&password=${password}&pages=${pages}&url=${uploadedFileUrl}&async=True`; let reqOptions = { host: "localhost", path: encodeURI(queryPath), method: "GET" }; // Send request https.get(reqOptions, (response) => { response.on("data", (d) => { response.setEncoding("utf8"); // Parse JSON response let data = JSON.parse(d); if (data.error == false) { console.log(`Job #${data.jobId} has been created!`); checkIfJobIsCompleted(data.jobId, data.url, destinationFile); } else { // Service reported error console.log("convertPdfToXlsx(): " + data.message); } }); }) .on("error", (e) => { // Request error console.log("convertPdfToXlsx(): " + e); }); } function checkIfJobIsCompleted(jobId, resultFileUrl, destinationFile) { 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: ${new Date().toLocaleString()}`); if (data.status == "working") { // Check again after 3 seconds setTimeout(function(){ checkIfJobIsCompleted(jobId, resultFileUrl, destinationFile);}, 3000); } else if (data.status == "success") { // Download XLSX file var file = fs.createWriteStream(destinationFile); https.get(resultFileUrl, (response2) => { response2.pipe(file) .on("close", () => { console.log(`Generated XLSX file saved as "${destinationFile}" file.`); }); }); } else { console.log(`Operation ended with status: "${data.status}".`); } }) }); }

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60 Day Free Trial or Visit ByteScout Cloud API Server Home Page

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