PDF.co Web API - Document Parser API - JavaScript - Parse From Url (Node.js)

printable version:
PDF-co-Web-API-JavaScript-Parse-From-Url-(Node-js).pdf

How to Parse from URL(Node for Document Parser API in JavaScript and PDF.co Web API

PDF.co Web API: the Rest API that provides a set of data extraction functions, and tools for document manipulation, splitting, and merging of PDF files. Includes built-in OCR, and image recognition, and 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)

MultiPageTable-template1.yml

      templateName: Multipage Table Test
templateVersion: 4
templatePriority: 0
detectionRules:
  keywords:
  - Sample document with multi-page table
objects:
- name: total
  objectType: field
  fieldProperties:
    fieldType: macros
    expression: TOTAL{{Spaces}}({{Number}})
    regex: true
    dataType: decimal
- name: table1
  objectType: table
  tableProperties:
    start:
      expression: Item{{Spaces}}Description{{Spaces}}Price
      regex: true
    end:
      expression: TOTAL{{Spaces}}{{Number}}
      regex: true
    row:
      expression: '{{LineStart}}{{Spaces}}(?<itemNo>{{Digits}}){{Spaces}}(?<description>{{SentenceWithSingleSpaces}}){{Spaces}}(?<price>{{Number}}){{Spaces}}(?<qty>{{Digits}}){{Spaces}}(?<extPrice>{{Number}})'
      regex: true
    columns:
    - name: itemNo
      dataType: integer
    - name: description
      dataType: string
    - name: price
      dataType: decimal
    - name: qty
      dataType: integer
    - name: extPrice
      dataType: decimal
    multipage: true

app.js

      /*jshint esversion: 6 */
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");

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

// Source PDF file
const SourceFileUrl = "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/document-parser/MultiPageTable.pdf";

// Destination PDF file name
const DestinationFile = "./result.json";

// Template text. Use Document Parser SDK (https://bytescout.com/products/developer/documentparsersdk/index.html)
// to create templates.
// Read template from file:
var templateText = fs.readFileSync("./MultiPageTable-template1.yml", "utf-8");

// URL for `Document Parser` API call
var query = `https://api.pdf.co/v1/pdf/documentparser`;
var jsonRequestObject = {
    url: SourceFileUrl,
    template: templateText
};

request(
    {
        url: query,
        headers: { "x-api-key": API_KEY },
        method: "POST",
        json: true,
        body: jsonRequestObject
    },
    function (error, response, body) {

        if (error) {
            return console.error("Error: ", error);
        }

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

        if (data.error == false) {
            //Download generated file
            var file = fs.createWriteStream(DestinationFile);
            https.get(data.url, (response2) => {
                response2.pipe(file)
                    .on("close", () => {
                        console.log(`Generated result file saved as "${DestinationFile}" file.`);
                    });
            });
        }
        else {
            // Service reported error
            console.log("Error: " + data.message);
        }
    }
);

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"
  }
}