Determines the writing system's directionality based on characters tests.
$ component install component/directionality
vardir=require('directionality');dir('الولايات المتحدة الأمريكية');// 'rtl'dir('Hello world');// 'ltr'The decision is made based on the first character of the input string, testing for a range of unicode characters that belong to rtl or ltr languages (see API to learn how to access the regular expressions).
Returns 'rtl' for right-to-left text, and 'ltr' for
left-to-right text.
Access the regular expression of ltr characters.
Access the regular expression of rtl characters.
MIT