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postcss-dir-pseudo-class

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postcss-dir-pseudo-class

Use the :dir pseudo-class in CSS

    6.0.5latest

Version published
Maintainers
2
Weekly downloads
6,641,087
decreased by-14.59%

Weekly downloads

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PostCSS Dir Pseudo Class PostCSS Logo

NPM Version CSS Standard Status Build Status Discord

PostCSS Dir Pseudo Class lets you style by directionality using the :dir() pseudo-class in CSS, following the Selectors specification.

'Can I use' table

article h3:dir(rtl) { margin-right: 10px; } article h3:dir(ltr) { margin-left: 10px; } /* becomes */ [dir="rtl"] article h3 { margin-right: 10px; } [dir="ltr"] article h3 { margin-left: 10px; }

Maintaining Specificity

Using PostCSS Dir Pseudo Class will not impact selector weight, but it will require having at least one [dir] attribute in your HTML. If you don’t have any [dir] attributes, consider using the following JavaScript:

// force at least one dir attribute (this can run at any time) document.documentElement.dir=document.documentElement.dir||'ltr';

If you absolutely cannot add a [dir] attribute in your HTML or even force one via JavaScript, you can still work around this by presuming a direction in your CSS using the dir option, but understand that this will sometimes increase selector weight by one element (html).

Usage

Add PostCSS Dir Pseudo Class to your project:

npm install postcss-dir-pseudo-class --save-dev

Use PostCSS Dir Pseudo Class to process your CSS:

const postcssDirPseudoClass = require('postcss-dir-pseudo-class'); postcssDirPseudoClass.process(YOUR_CSS /*, processOptions, pluginOptions */);

Or use it as a PostCSS plugin:

const postcss = require('postcss'); const postcssDirPseudoClass = require('postcss-dir-pseudo-class'); postcss([ postcssDirPseudoClass(/* pluginOptions */) ]).process(YOUR_CSS /*, processOptions */);

PostCSS Dir Pseudo Class runs in all Node environments, with special instructions for:

NodePostCSS CLIWebpackCreate React AppGulpGrunt

Options

dir

The dir option allows you presume a direction in your CSS. By default, this is not specified and you are required to include a direction [dir] attribute somewhere in your HTML, preferably on the html element.

Here’s an example of using the dir option to presume a left-to-right direction:

postcssDirPseudoClass({ dir: 'ltr' }); .example:dir(ltr) { margin-left: 10px; } .example:dir(rtl) { margin-right: 10px; } /* becomes */ html:not([dir="rtl"]) .example { margin-left: 10px; } [dir="rtl"] .example { margin-right: 10px; }

preserve

The preserve option determines whether the original :dir() rule should remain in the CSS. By default, the original rule is not preserved.

postcssDirPseudoClass({ preserve: true }); article h3:dir(rtl) { margin-right: 10px; } article h3:dir(ltr) { margin-left: 10px; } /* becomes */ [dir="rtl"] article h3 { margin-right: 10px; } article h3:dir(rtl) { margin-right: 10px; } [dir="ltr"] article h3 { margin-left: 10px; } article h3:dir(ltr) { margin-left: 10px; }

Keywords

FAQs

What is postcss-dir-pseudo-class?

Use the :dir pseudo-class in CSS

Is postcss-dir-pseudo-class popular?

The npm package postcss-dir-pseudo-class receives a total of 5,330,704 weekly downloads. As such, postcss-dir-pseudo-class popularity was classified as popular.

Is postcss-dir-pseudo-class well maintained?

We found that postcss-dir-pseudo-class demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago.It has 2 open source maintainers collaborating on the project.

Last updated on 08 Jul 2022

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