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posthtml-w3c

0.9.0 • Public • Published

W3C HTML Validation for PostHTML

Checks if HTML is valid to W3C standards using the W3C Validation Service

Install

(sudo) npm i -D posthtml-w3c

Usage

For general usage and build process integration see PostHTML Docs

Options

You can modify the behavior by passing an options object to the method:

var options = {
  filter: [
    'An “img” element must have an “alt” attribute, except under certain conditions.',
  ],
  hideEmpty: true
}
 
var validate = require('posthtml-w3c')(options)
  • filter - an array of strings to filter the messages. If you want to silence some warnings or errors, you can add a substring of the message to this collection. Any messages that contain a string from the filter array will be ignored.
  • hideEmpty - if true and no messages are found, nothing will be printed. If false or skipped and no messages are found, the header and summary will be printed. This option is backward-compatible.

Example using Node API

const fs = require('fs')
 
var posthtml = require('posthtml')
 
var validate = require('posthtml-w3c')()
 
var html = fs.readFileSync('./index.html', 'utf8')
 
posthtml([ validate ])
  .process(html)
  .then(result => console.log(result.html))

Output

PostHTML W3C Validation
-----------------------
 
⚠ info [14:5]
Consider using the “h1” element as a top-level heading only
(all “h1” elements are treated as top-level headings by many
screen readers and other tools).
 
⚠ info [19:5]
Consider using the “h1” element as a top-level heading only
(all “h1” elements are treated as top-level headings by many
screen readers and other tools).
 
⚠ info [18:5]
Consider using the “h1” element as a top-level heading only
(all “h1” elements are treated as top-level headings by many
screen readers and other tools).
 
⚠  3 Errors

Install

npm i posthtml-w3c

DownloadsWeekly Downloads

27

Version

0.9.0

License

MIT

Unpacked Size

6.88 kB

Total Files

8

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