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rtl-css-js
Advanced tools
Right To Left conversion for CSS in JS objects
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RTL conversion for CSS in JS objects
![All Contributors][all-contributors-badge]
For some locales, it's necessary to change padding-left
to padding-right
when your text direction is right to left. There are tools like this for CSS
(cssjanus
for example) which
manipulate strings of CSS to do this, but none for CSS in JS where your CSS is
represented by an object.
This is a function which accepts a CSS in JS object and can convert
padding-left
to padding-right
as well as all other properties where it makes
sense to do that (at least, that's what it's going to be when it's done... This
is a work in progress).
This module is distributed via npm which is bundled with node and
should be installed as one of your project's dependencies
:
npm install --save rtl-css-js
This module is exposed via CommonJS as
well as UMD with the global as rtlCSSJS
CommonJS:
const rtlCSSJS = require('rtl-css-js')
const styles = rtlCSSJS({paddingLeft: 23})
console.log(styles) // logs {paddingRight: 23}
You can also just include a script tag in your browser and use the rtlCSSJS
variable:
<script src="https://unpkg.com/rtl-css-js"></script>
<script>
const styles = rtlCSSJS({paddingRight: 23})
console.log(styles) // logs {paddingLeft: 23}
</script>
You can also control which rules you don't want to flip by adding a
/* @noflip */
CSS comment to your rule
const rtlCSSJS = require('rtl-css-js')
const styles = rtlCSSJS({paddingLeft: '20px /* @noflip */'})
console.log(styles) // logs {paddingLeft: '20px /* @noflip */' }
This library support kebab-case properties too.
const rtlCSSJS = require('rtl-css-js')
const styles = rtlCSSJS({'padding-right': 23})
console.log(styles) // logs {'padding-left': 23}
rtl-css-js
also exposes its internal helpers and utilities so you can deal
with certain scenarios
yourself. To use these you can use the rtlCSSJSCore
global with the UMD build,
require('rtl-css-js/core')
, or use
import {propertyValueConverters, arrayToObject} from 'rtl-css-js/core'
.
You can import anything that's exported from src/core
. Please see the code
comments for documentation on how to use these.
background
Right now background
and backgroundImage
just replace all instances of ltr
with rtl
and right
with left
. This is so you can have a different image
for your LTR and RTL, and in order to flip linear gradients. Note that this is
case sensitive! Must be lower case. Note also that it will not change bright
to bleft
. It's a little smarter than that. But this is definitely something
to consider with your URLs.
var()
Since it's impossible to know what the contents of a css variable are until the styles are actually calculated by the browser, any CSS variable contents will not be converted.
CSSJanus was a major inspiration.
react-with-styles
with
Aphroditertl-css-js
's core.jss
to support flipping styles
dynamically.I'm not aware of any, if you are please make a pull request and add it here!
Thanks goes to these people (emoji key):
This project follows the all-contributors specification. Contributions of any kind welcome!
MIT
FAQs
Right To Left conversion for CSS in JS objects
The npm package rtl-css-js receives a total of 1,357,243 weekly downloads. As such, rtl-css-js popularity was classified as popular.
We found that rtl-css-js demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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