const hint = require('posthtml-hint')('./path/to/.htmlhintrc')

const { readFileSync } = require('fs')

const posthtml = require('posthtml')

const hint = require('posthtml-hint')(/* options */)
const html = readFileSync('./index.html', 'utf8')

posthtml([ hint ])
  .process(html)
  .then(result => console.log(result.html))

PostHTML HINT
-------------

✖ error [10:12]
Special characters must be escaped : [ > ].

✖ error [12:3]
Special characters must be escaped : [ < ].

✖ error [12:21]
Special characters must be escaped : [ < ].

✖ error [12:30]
Special characters must be escaped : [ > ].

✖ error [15:17]
Tag must be paired, no start tag: [ </h1> ]

⚠  5 Errors