JSPM

Use the :dir pseudo-class in CSS

Detect the direction of text: left-to-right, right-to-left, or neutral

Right-to-left addon for Storybook.

Bindings to the ICU (55) Unicode BiDi algorithm

Bindings to the ICU (53) Unicode BiDi algorithm

Detect directionality (left-to-right, right-to-left) in Retext