Unicode Case Folding Utilities

unicode-case-folding is a JavaScript library that provides robust utilities for Unicode case folding, specifically designed to facilitate accurate case-insensitive comparisons of strings according to the official Unicode Character Database. Unlike simple string lowercasing methods (like `String.prototype.toLowerCase()`), case folding implements rules defined by the Unicode standard to ensure linguistic correctness across various languages, such as correctly folding the German sharp S ('ẞ') to 'ss'. The current stable version is 1.1.1. Given its foundational nature based on a stable Unicode standard, the library likely follows an infrequent release cadence, updating primarily for new Unicode versions or critical bug fixes rather than feature additions. Its key differentiator lies in strict adherence to the Unicode standard for internationalized comparisons, making it suitable for applications requiring precise textual matching where locale-specific casing differences need to be neutralized without altering the string for display purposes.