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preserve-comment-whitespace

v0.0.3

Published

Preserves the presence or lack thereof of whitespace surrounding HTML comments.

Downloads

3,928

Vulnerabilities

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Links

Git

Maintainers

avigoldmanavigoldman

Keywords

htmlcommentswhitespacewhitespacepreservejs-beautifyprettieremail

Readme

preserve-comment-whitespace

Preserves the presence or lack thereof of whitespace surrounding HTML comments.

codecov npm package Twitter Follow

HTML formatters don't always properly handle HTML comments. This package attempts to properly maintain the whitespace around the HTML comments.

Some known issues:

  • https://github.com/beautify-web/js-beautify/issues/1301
  • https://github.com/beautify-web/js-beautify/issues/1823

Install

$ npm install preserve-comment-whitespace

Usage

const { preserve, restore } = require('preserve-comment-whitespace');
const beautify = require('js-beautify').html;

const html = `<div><div><!-- my html comment --></div></div>`

const comments = preserve(html);
const formatted = beautify(html);
//=> <div>\n    <div>\n        <!-- my html comment -->\n    </div>\n</div>
const formattedAndRestored = restore(formatted, comments)
//=> <div>\n    <div><!-- my html comment --></div>\n</div>

API

preserve(html)

Returns an Array containing the objects descripting the HTML comments.

restore(html, comments, options)

Returns a string where the whitespace around the HTML comments is restored.

Note: the processing between preserve and restore should add or remove any comments. If the number of comments given don't match the number of comments found in the given HTML, restore will return the given string, unprocessed.

html

String | required

String of HTML after any formatting that would have affected the whitespace.

comments

Array | defaults to []

The Array returned from preserve.

options

Object | defaults to { restoreInline: true }

Configuration for how to restore the comment whitespace.

Accept restoreInline. If true, comments that were originally inline (i.e. not on their own lines) will be restored to be inline. Otherwise, it will accept the new line placement.

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