PdfMake Javascript library integration with NativeScript Angular

NativeScript PdfMake

PdfMake Javascript library integration with NativeScript Angular
Library Github Repo - https://github.com/bpampuch/pdfmake
Integration:
1.	Let’s create Nativescript angular project

Install PdfMake Library

npm i pdfmake

2.	Verify whether it is installed or not

Package.json

"dependencies": { 
"pdfmake": "^0.1.41" 
}

3.	Start using the pdfmake in component

import * as pdfMake from 'pdfmake/build/pdfmake.js';
import { File, Folder, path } from "file-system"; 

declare var android: any; 

//to get android downloads path
public basePath = android.os.Environment.getExternalStoragePublicDirectory(
android.os.Environment.DIRECTORY_DOWNLOADS).toString();

//you can use any font family and must supply Italic, Medium, MediumItalic, and Regular styles  as param
public vfs = { 
"Roboto-Italic.ttf": base64string,
"Roboto-Medium.ttf": base64string,
"Roboto-MediumItalic.ttf": base64string,
"Roboto-Regular.ttf": base64string
}

//generate the dataurl of the resulted pdf
generatePdf() { 
var docDefinition = { content: 'This is an sample PDF printed with NativeScript Angular app using pdfMake'};

pdfMake.createPdf(docDefinition, ' ', ' ', this.vfs)
 .getDataUrl((dataUrl) => { 
let sliced = dataUrl.toString().slice(28); 
this.savePdf(sliced);
});
}

//save the base64 as pdf file using file system
savePdf(encodedData) { 
let folder = Folder.fromPath(path.join(this.basePath, "PdfMake Files")); 
let tofile: File = folder.getFile('nscertificate.pdf'); 

if (tofile) { 
let data = android.util.Base64.decode(encodedData, android.util.Base64.DEFAULT); 
tofile.writeSync(data, err => 
{ 
console.log("err :", err); 
}); 
} 
}