Syntax highlight bug when using formats

[louis-ev]

Hi,

on quill 2.0.3, when adding hljs to enable code syntax highlight, using the formats option prevents the highlighting to work. I've tried adding all possible values in formats but nothing works.

This works:

const quill = new Quill('#editor', {
  modules: {
    syntax: true,            
    toolbar: [['code-block']]
  },
  theme: 'snow',
});

This doesn't:

const quill = new Quill('#editor', {
  modules: {
    syntax: true,             
    toolbar: [['code-block']] 
  },
  theme: 'snow',
  formats: ['code-block', 'code', 'color']
});

Codepen with the issue: https://codepen.io/louis-ev/pen/qEWLrGL