Show HN: wcwidth-o1 – Find Unicode text cell width in no time for JavaScript/TS https://ift.tt/qGWIl68

Show HN: wcwidth-o1 – Find Unicode text cell width in no time for JavaScript/TS I ported Markus Kuhn’s wcwidth to TypeScript and optimized it with bitset lookups for O(1) performance. It now covers the full Unicode 15.1 combining ranges. GitHub: https://ift.tt/qw1DXTQ NPM: https://ift.tt/hNK2i4z Feedback welcome! https://ift.tt/qw1DXTQ September 13, 2025 at 03:53AM