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In this, the package is named as postcss-discard-comments-nightly

In from this docs, you need to replace every

postcss-discard-comments --> postcss-discard-comments-nightly

*
Original Docs below
*

[postcss][postcss]-discard-comments

> Discard comments in your CSS files with PostCSS.

Install

With npm do:

``
npm install postcss-discard-comments --save
`

Example

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`css
h1/ heading /{
margin: 0 auto
}
`

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`css
h1 {
margin: 0 auto
}
`

This module discards comments from your CSS files; by default, it will remove
all regular comments (/ comment /) and preserve comments marked as important
(/! important /).

Note that this module does not handle source map comments because they are not
available to it; PostCSS handles this internally, so if they are removed then
you will have to [configure source maps in PostCSS][maps].

[maps]: https://github.com/postcss/postcss/blob/master/docs/source-maps.md

API

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#### options

##### remove(function)

Type: function
Return: boolean
Variable: comment contains a comment without /**/

For each comment, return true to remove, or false to keep the comment.

`js
function(comment) {}
`

`js
var css = '/ headings //@ h1 /h1{margin:0 auto}/@ h2 /h2{color:red}';
console.log(postcss(comments({
remove: function(comment) { return comment[0] == "@"; }
})).process(css).css);
//=> / headings /h1{margin:0 auto}h2{color:red}
`
NOTE: If you use the remove function other options will not be available.

##### removeAll

Type: boolean
Default: false

Remove all comments marked as important.

`js
var css = '/! heading /h1{margin:0 auto}/! heading 2 /h2{color:red}';
console.log(postcss(comments({removeAll: true})).process(css).css);
//=> h1{margin:0 auto}h2{color:red}
`

##### removeAllButFirst

Type: boolean
Default: false

Remove all comments marked as important, but the first one.

`js
var css = '/! heading /h1{margin:0 auto}/! heading 2 /h2{color:red}';
console.log(postcss(comments({removeAllButFirst: true})).process(css).css);
//=> /! heading /h1{margin:0 auto}h2{color:red}
``

Usage

See the PostCSS documentation for
examples for your environment.

Contributors

See CONTRIBUTORS.md.

License

MIT © Ben Briggs

[postcss]: https://github.com/postcss/postcss