ByteScout Cloud API Server - PDF Text Search API - JavaScript - PDF Text Search from File (Node js) - Async API - ByteScout

ByteScout Cloud API Server – PDF Text Search API – JavaScript – PDF Text Search from File (Node js) – Async API

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How to PDF text search API in JavaScript using ByteScout Cloud API Server

Step-by-step tutorial on how to PDF text search API in JavaScript

Quickly learn how to PDF text search API in JavaScript with this sample source code. Want to PDF text search API in your JavaScript app? ByteScout Cloud API Server is designed for it. ByteScout Cloud API Server is the ready to use Web API Server that can be deployed in less than 30 minutes into your own in-house server 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 buil-in ByteScout powered engine, no cloud services are used to process your data!.

The SDK samples given below describe how to quickly make your application do PDF text search API in JavaScript with the help of ByteScout Cloud API Server. Follow the instructions from scratch to work and copy the JavaScript code. Check JavaScript sample code samples to see if they respond to your needs and requirements for the project.

Trial version of ByteScout Cloud API Server is available for free. Source code samples are included to help you with your JavaScript app.

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PDFTextSearchFromFileAsyncApi.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"); var fs = require("fs"); // `request` module is required for file upload. // Use "npm install request" command to install. var request = require("request"); // Source file name 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 = ""; // Search string. const SearchString = '[4-9][0-9].[0-9][0-9]'; // Regular expression to find numbers in format dd.dd and between 40.00 to 99.99 // Enable regular expressions (Regex) const RegexSearch = 'True'; // Execute as async api const Async = 'True'; // Prepare URL for PDF text search API call. var query = `https://localhost/pdf/find`; let reqOptions = { uri: query, formData: { password: Password, pages: Pages, searchString: SearchString, regexSearch: RegexSearch, file: fs.createReadStream(SourceFile), async: Async } }; // Send request request.get(reqOptions, function (error, response, body) { if (error) { return console.error("Error: ", error); } // Parse JSON response let data = JSON.parse(body); console.log(`Job #${data.jobId} has been created!`); checkIfJobIsCompleted(data.jobId, data.url); }); function checkIfJobIsCompleted(jobId, resultFileUrlJson) { let queryPath = `/job/check?jobid=${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: ${new Date().toLocaleString()}`); if (data.status == "working") { // Check again after 3 seconds setTimeout(function () { checkIfJobIsCompleted(jobId, resultFileUrlJson); }, 3000); } else if (data.status == "success") { request({ method: 'GET', uri: resultFileUrlJson, gzip: true }, function (error, response, body) { // Parse JSON response let respJsonFileArray = JSON.parse(body); for (let index = 0; index < respJsonFileArray.length; index++) { const element = respJsonFileArray[index]; console.log("Found text " + element["text"] + " at coordinates " + element["left"] + ", " + element["top"]); } }); } else { console.log(`Operation ended with status: "${data.status}".`); } }) }); }

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ON-PREMISE OFFLINE SDK

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

Explore ByteScout Cloud API Server Documentation

Explore Samples

Sign Up for ByteScout Cloud API Server Online Training

ON-DEMAND REST WEB API

Get Your API Key

Explore Web API Docs

Explore Web API Samples

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