Convert HTML to PDF Online using Node.js API

Convert_HTML_file_to_PDF_format_using_NodeJs_Advanced_Options.js

// How to Convert HTML to PDF format using Advanced Options in Node.js
const convert_options = async () => {
  const convertApi = groupdocs_conversion_cloud.ConvertApi.fromKeys(clientId, clientSecret);

  const settings = new groupdocs_conversion_cloud.ConvertSettings();
  settings.storageName = myStorage;
  settings.filePath = "nodejs-testing/sample-file.html";
  settings.format = "pdf";

  let convertOptions = new conversion_cloud.HtmlConvertOptions();
  convertOptions.fromPage = 1;
  convertOptions.pagesCount = 1;
  convertOptions.fixedLayout = true;

  settings.convertOptions = convertOptions;
  settings.outputPath = "nodejs-testing/sample-file.pdf";

  try {
    // Create convert document request
    const request = new groupdocs_conversion_cloud.ConvertDocumentRequest(settings);
    await convertApi.convertDocument(request);
  }
  catch (err) {
    throw err;
  }
}

convert_options()
.then(() => {
  console.log("Converted html to pdf file using advanced options.");
})
.catch((err) => {
  console.log("Error occurred while converting the pdf file:", err);
})

Convert_HTML_to_PDF_format_in_NodeJs.js

// How to Convert HTML to PDF file in Node.js using REST API
const convert = async () => {
  const convertApi = groupdocs_conversion_cloud.ConvertApi.fromKeys(clientId, clientSecret);

  const settings = new groupdocs_conversion_cloud.ConvertSettings();
  settings.storageName = myStorage;
  settings.filePath = "nodejs-testing/sample-file.html";
  settings.format = "pdf";
  settings.outputPath = "nodejs-testing/sample-file.pdf";

  try {
    // Create convert document request
    const request = new groupdocs_conversion_cloud.ConvertDocumentRequest(settings);
    await convertApi.convertDocument(request);
  }
  catch (err) {
    throw err;
  }
}

convert()
.then(() => {
  console.log("Successfully converted HTML to PDF file format.");
})
.catch((err) => {
  console.log("Error occurred while converting the PDF file:", err);
})

Convert_HTML_to_PDF_using_NodeJs.md

You can convert html file to pdf document programmatically on the cloud. In this article, you will learn how to convert html file to pdf format in Node.js using REST API.

The following topics are covered in this article:

1. HTML to PDF Conversion REST API and Node.js SDK Installation
2. Upload HTML File on the Cloud
3. How to Convert HTML to PDF file in Node.js using REST API
4. Download the converted PDF file
5. Convert HTML to PDF format with Advanced Options in Node.js

Download_Convert_HTML_to_PDF_file_in_NodeJs.js

// construct FileApi to download converted file
var fileApi = groupdocs_conversion_cloud.FileApi.fromConfig(config);
// create donwload file request
let request = new groupdocs_conversion_cloud.DownloadFileRequest("nodejs-testing/sample-file.pdf", myStorage);
// download file and response type Stream
fileApi.downloadFile(request)
    .then(function (response) {
        // save file in your system directory
        fs.writeFile("H:\\groupdocs-cloud-data\\sample-file.pdf", response, "binary", function (err) { });
        console.log("Expected response type is Stream: " + response.length);
    })
    .catch(function (error) {
        console.log("Error: " + error.message);
    });

Upload_to_Convert_HTML_to_PDF_file_NodeJs.js

// open file in IOStream from your system drive.
var resourcesFolder = 'H:\\groupdocs-cloud-data\\sample-file.html';
// read file
fs.readFile(resourcesFolder, (err, fileStream) => {
  // construct FileApi
  var fileApi = groupdocs_conversion_cloud.FileApi.fromConfig(config);
  // create upload file request
  var request = new groupdocs_conversion_cloud.UploadFileRequest("sample-file.html", fileStream, myStorage);
  // upload file
  fileApi.uploadFile(request)
    .then(function (response) {
      console.log("Expected response type is FilesUploadResult: " + response.uploaded.length);
    })
    .catch(function (error) {
      console.log("Error: " + error.message);
    });
});

Utils_to_Convert_HTML_to_PDF_using_NodeJs.js

# Import Node.js SDK in your node application from http://api.groupdocs.cloud
global.groupdocs_conversion_cloud = require("groupdocs-conversion-cloud");
global.fs = require("fs");

// get clientId and clientSecret from https://dashboard.groupdocs.cloud (free registration is required).
global.clientId = "xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx";
global.clientSecret = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
global.myStorage = "test-internal-storage";
const config = new groupdocs_conversion_cloud.Configuration(clientId, clientSecret);
config.apiBaseUrl = "https://api.groupdocs.cloud";