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javascript - Add image in pdf using jspdf

I am using jspdf to convert an image into a PDF.

I have converted the image into a URI using base64encode. But the problem is that there are no errors or warnings shown in the console.

A PDF is generated with the text Hello World on it but no image is added in it.

Here is my code.

function convert(){
        var doc = new jsPDF();
        var imgData = 'data:image/jpeg;base64,'+ Base64.encode('Koala.jpeg');
        console.log(imgData);
        doc.setFontSize(40);
        doc.text(30, 20, 'Hello world!');
        doc.output('datauri');
        doc.addImage(imgData, 'JPEG', 15, 40, 180, 160);

    }
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This worked for me in Angular 2:

var img = new Image()
img.src = 'assets/sample.png'
pdf.addImage(img, 'png', 10, 78, 12, 15)

jsPDF version 1.5.3

assets directory is in src directory of the Angular project root


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