passing fontSize < 8 to slideNumber corrupts presentation

[ghost]

First off, thank you for building this module. It is quite easy to work with and generate pptx files.

step to reproduce

I noticed passing a fontSize < 8 to slideNumber method will corrupt the powerpoint file:

const PptxGenJS = require('pptxgenjs');
const pptx = new PptxGenJS();
const slide = pptx.addNewSlide();
// specifying fontSize < 8 will corrupt presentation
slide.slideNumber({ x:1.5, y:1.5, fontSize:7.8});
pptx.save('slide number fontSize error');

expected result

As a developer, I would like slideNumber to throw an error when I call that method with an invalid value for fontSize. This would improve my debugging experience.

[gitbrent]

Hi @efx

It wasn't actually the size, it was the float value. Any fontSize value with a "." was causing the issue.

Thanks for finding this.

Fixed in the master branch.

[ghost]

ah, interesting. thank you for the rapid fix @gitbrent !