Magic wraping for pug.js (JADE)

wrap

mixin wraper()
  - var prevBuf = pug_html
  - pug_html = ''
  - block()
  - wrapResult = pug_html
  - pug_html = prevBuf

mixin wrap()
  - var prevBuf = pug_html
  - pug_html = ''
  - block()
  - var contentResult = pug_html
  - pug_html = prevBuf
  != wrapResult.replace(/<content><\/content>/g, contentResult)


+wraper
  +if("{% link }")
    a(href="{% link }"): content
  +else
    div: content
+wrap
  .bar {% title }