PDF Get Search Table JSON (Node js) - JavaScript
PDF Find Table sample in JavaScript demonstrating ‘PDF Get Search Table JSON (Node js)’
app.js
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");
// The authentication key (API Key).
// Get your own by registering at https://app.pdf.co
const API_KEY = "***********************************";
// Direct URL of source PDF file.
// You can also upload your own file into PDF.co and use it as url. Check "Upload File" samples for code snippets: https://github.com/bytescout/pdf-co-api-samples/tree/master/File%20Upload/
const SourceFileUrl = "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/pdf-to-text/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 = "";
// Prepare URL for PDF Table Search API call.
// See documentation: https://apidocs.pdf.co
var query = `https://api.pdf.co/v1/pdf/find/table`;
let reqOptions = {
uri: query,
headers: { "x-api-key": API_KEY },
formData: {
password: Password,
pages: Pages,
url: SourceFileUrl
}
};
// Send request
request.post(reqOptions, function (error, resp, body) {
if (error) {
return console.error("Error: ", error);
}
var jsonBody = JSON.parse(body);
// Loop through all found tables, and get json data
if (jsonBody.body.tables && jsonBody.body.tables.length > 0) {
for (var i = 0; i < jsonBody.body.tables.length; i++) {
getJSONFromCoordinates(SourceFileUrl, jsonBody.body.tables[i].PageIndex, jsonBody.body.tables[i].rect, `table_${i + 1}.json`);
}
}
});
/**
* Get JSON from specific co-ordinates
*/
function getJSONFromCoordinates(fileUrl, pageIndex, rect, outputFileName) {
// Prepare request to `PDF To JSON` API endpoint
var jsonQueryPath = `https://api.pdf.co/v1/pdf/convert/to/json`;
// Json Request
let jsonReqOptions = {
uri: jsonQueryPath,
headers: { "x-api-key": API_KEY },
formData: {
pages: pageIndex,
url: fileUrl,
rect: rect
}
};
// Send request
request.post(jsonReqOptions, function (error, resp, body) {
if (error) {
return console.error("Error: ", error);
}
var outputJsonUrl = JSON.parse(body).url;
// Download JSON file
var file = fs.createWriteStream(outputFileName);
https.get(outputJsonUrl, (response2) => {
response2.pipe(file)
.on("close", () => {
console.log(`Generated JSON file saved as "${outputFileName}" file.`);
});
});
});
}
PDF.co Web API: the Web API with a set of tools for documents manipulation, data conversion, data extraction, splitting and merging of documents. Includes image recognition, built-in OCR, barcode generation and barcode decoders to decode bar codes from scans, pictures and pdf.
Download Source Code (.zip)
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