@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
mdc-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 mdc-rtl, but we provide these mixins for convenience.
Both mdc-rtl-reflexive-property and mdc-rtl-reflexive-box work with one base box-model property, e.g. margin, border, padding. But mdc-rtl-reflexive-property is more flexible because it accepts different left and right values. mdc-rtl-reflexive-box assumes the left and right values are the same, and therefore that the box-model is symmetrical.
mdc-rtl-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 |
|---|---|
mdc-rtl($root-selector) | Creates a rule that is applied when the root element is within an RTL context |
mdc-rtl-reflexive-box($base-property, $default-direction, $value, $root-selector) | Applies the value to the #{$base-property}-#{$default-direction} property in a LTR context, and flips the direction in an RTL context. This mixin zeros out the original value in an RTL context. |
mdc-rtl-reflexive-property($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. |
mdc-rtl-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. $position-property is a horizontal position, either "left" or "right". |
mdc-rtl-reflexive($left-property, $left-value, $right-property, $right-value, $root-selector) | Applies the pair of property values to the specified position in a LTR context, and flips the direction in an RTL context. |
A note about [dir="rtl"]: mdc-rtl($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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