hexo-renderer-markdown-it-katex/index.js

Supporting KaTeX out of box. No need to include the stylesheet manually.

/* global hexo */

'use strict';

hexo.config.markdown = Object.assign({
  render: {
    html: true,
    xhtmlOut: false,
    breaks: true,
    linkify: true,
    typographer: true,
    quotes: '“”‘’'
  },
  anchors: {
    level: 2,
    collisionSuffix: ''
  }
}, hexo.config.markdown);

const renderer = require('./lib/renderer');
const katex = require('./lib/katex');

hexo.extend.renderer.register('md', 'html', renderer, true);
hexo.extend.renderer.register('markdown', 'html', renderer, true);
hexo.extend.renderer.register('mkd', 'html', renderer, true);
hexo.extend.renderer.register('mkdn', 'html', renderer, true);
hexo.extend.renderer.register('mdwn', 'html', renderer, true);
hexo.extend.renderer.register('mdtxt', 'html', renderer, true);
hexo.extend.renderer.register('mdtext', 'html', renderer, true);

hexo.extend.filter.register('after_render:html', katex.filter);