multichar-regex
a regular expression that matches all the surrogate pairs and combining-marked characters in a string
wcwidth-o1
Unicode text width calculation (wcwidth/wcswidth) for Node.js and TypeScript, optimized to O(1), based on Markus Kuhn's reference.
parser-combinators
A library of parser combinators, with which you can create your own parsers. The library will be continuously improved in time.
garble
A fun text-garbler using Unicode combining characters (diacritics).