pptx-generator npm module used to generate pptx along with the features of text add, image add, read existing template.
npm i pptx-generator --save
x ( x position)
y ( y position)
align
font_size
color
w (width)
h (height)
autoFit
path : Image Path
x (x position)
y (y position)
w (width)
h (height)
var PPTX_GENERATOR = require('pptx-generator');
PPTX_GENERATOR.createPresentation("/tmp/test-template.pptx").then(function(presentation){
var slide = PPTX_GENERATOR.addNewSlide();
PPTX_GENERATOR.addText(slide, "Hello World !!", { x:1, y:3, align:'c', font_size:40, color:'ffffff',w: 9.0,h:0.5,autoFit:true});
var slide1 = PPTX_GENERATOR.addNewSlide();
PPTX_GENERATOR.addText(slide1, "Hello World1 !!", { x:0.5, y:0.5, align:'c', font_size:20, color:'ffffff',w: 9.0,h:0.5,autoFit:true});
PPTX_GENERATOR.addImage(slide1, { path: './media/image4.jpeg', x:3.0, y:1.5, w:3, h:3});
var slide2 = PPTX_GENERATOR.addNewSlide();
PPTX_GENERATOR.addText(slide2, "Hello World3 !!", { x:1, y:3, align:'c', font_size:40, color:'ffffff',w: 9.0,h:0.5,autoFit:true});
PPTX_GENERATOR.generate("/tmp/test.pptx");
res.send('Done !!')
});