_config.yml

# Math Equations Render Support
math:
  enable: false

  # Default(true) will load mathjax/katex script on demand
  # That is it only render those page who has 'mathjax: true' in Front Matter.
  # If you set it to false, it will load mathjax/katex srcipt EVERY PAGE.
  per_page: true

  engine: mathjax
  #engine: katex

  # hexo-rendering-pandoc (or hexo-renderer-kramed) needed to full MathJax support.
  mathjax:
    # Use 2.7.1 as default, jsdelivr as default CDN, works everywhere even in China
    cdn: //cdn.jsdelivr.net/npm/mathjax@2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML
    # For newMathJax CDN (cdnjs.cloudflare.com) with fallback to oldMathJax (cdn.mathjax.org).
    #cdn: //cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML
    # For direct link to MathJax.js with CloudFlare CDN (cdnjs.cloudflare.com).
    #cdn: //cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-MML-AM_CHTML
    # For automatic detect latest version link to MathJax.js and get from Bootcss.
    #cdn: //cdn.bootcss.com/mathjax/2.7.1/latest.js?config=TeX-AMS-MML_HTMLorMML

  # hexo-renderer-markdown-it-plus (or hexo-renderer-markdown-it with markdown-it-katex plugin)
  # needed to full Katex support.
  katex:
    # Use 0.7.1 as default, jsdelivr as default CDN, works everywhere even in China
    cdn: //cdn.jsdelivr.net/npm/katex@0.7.1/dist/katex.min.css
    # CDNJS, provided by cloudflare, maybe the best CDN, but not works in China
    #cdn: //cdnjs.cloudflare.com/ajax/libs/KaTeX/0.7.1/katex.min.css
    # Bootcss, works great in China, but not so well in other region
    #cdn: //cdn.bootcss.com/KaTeX/0.7.1/katex.min.css
  
# Sass
node_sass:
  outputStyle: nested
  precision: 5
  sourceComments: false

# Autoprefixer
autoprefixer:
  exclude:
    - '*.min.css'
  browsers:
    - 'last 2 versions'

# Lunr
lunr:
  field: all
  fulltext: false
  path: assets/lunr/

# filter_cleanup
hfc_useref:
  enable: true
  concat: true

hfc_html:
  enable: true
  exclude:

hfc_css:
  enable: true
  exclude: 
    - '*.min.css'

hfc_js:
  enable: true
  mangle: true
  exclude: 
    - '*.min.js'

hfc_img:
  enable: false
  interlaced: false
  multipass: false
  optimizationLevel: 2
  pngquant: false
  progressive: false

hfc_favicons:
  enable: false
  src: img/blog-logo.png
  target: img/
  icons:
    android: true
    appleIcon: true
    appleStartup: false
    coast: false
    favicons: true
    firefox: false
    opengraph: false
    windows: true
    yandex: false