@material/rtl
Advanced tools
UIs for languages that are read from right-to-left (RTL), such as Arabic and Hebrew, should be mirrored to ensure content is easy to understand.
npm install @material/rtl
rtl is the most flexible mixin, because it can work with multiple CSS properties. All other RTL mixins logic could be engineered by only using rtl, but we provide these mixins for convenience.
Both reflexive-property and reflexive-box work with one base box-model property, e.g. margin, border, padding. But reflexive-property is more flexible because it accepts different left and right values. reflexive-box assumes the left and right values are the same, and therefore that the box-model is symmetrical.
reflexive-position is the least flexible mixin. It only works with one horizontal position property, "left" or "right". It also assumes the left and right values are the same.
| Mixin | Description |
|---|---|
rtl($root-selector) | Creates a rule that is applied when the root element is within an RTL context |
reflexive-box($base-property, $default-direction, $value, $root-selector) | Applies the value to the #{$base-property}-#{$default-direction} property in a LTR context, and flips the direction in an RTL context. This mixin zeros out the original value in an RTL context. |
reflexive-property($base-property, $left-value, $right-value, $root-selector) | Emits rules that assign #{$base-property}-left to #{left-value} and #{base-property}-right to #{right-value} in a LTR context, and vice versa in a RTL context. Basically it flips values between a LTR and RTL context. |
reflexive-position($position-property, $value, $root-selector) | Applies the value to the specified position in a LTR context, and flips the direction in an RTL context. $position-property is a horizontal position, either "left" or "right". |
reflexive($left-property, $left-value, $right-property, $right-value, $root-selector) | Applies the pair of property values to the specified position in a LTR context, and flips the direction in an RTL context. |
A note about [dir="rtl"]: rtl($root-selector) checks for [dir="rtl"] on the ancestor element. This works in most cases, it will sometimes lead to false negatives for more complex layouts, e.g.
<html dir="rtl">
<!-- ... -->
<div dir="ltr">
<div class="mdc-foo">Styled incorrectly as RTL!</div>
</div>
</html>
Unfortunately, we've found that this is the best we can do for now. In the future, selectors such as :dir will help us mitigate this.
FAQs
Material Components for the web RTL Scss helpers
We found that @material/rtl demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 15 open source maintainers collaborating on the project.
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