Changelog

All notable changes to ReadSight (Node.js) will be documented in this file.

[1.0.0] - 2026-07-13

Initial release — Node.js/TypeScript port of ReadSight (PHP), verified for byte-accurate parity against the canonical library via golden vectors.
Frank M. Liang (TeX) hyphenation algorithm for syllable counting.
86 languages across 19 writing systems.
17 readability formulas: Flesch Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog, SMOG, Coleman-Liau, ARI, LIX, Gulpease, Wiener Sachtextformel (4 variants), Fernández-Huerta, Szigriszt-Pazos, Gutiérrez-Polini, Crawford, FOG-PL, Dale-Chall, Spache, OSMAN.
Three syllable-counting modes: tex, heuristic (with vowelMode cluster/individual), and composite.
Vowel-based syllable counting for Russian (ru), Ukrainian (uk), Belarusian (be) and Bulgarian (bg).
JSON pattern cache in the OS cache directory.
Language-specific formula coefficients.
Text analysis (word/sentence/letter/syllable counts, syllable histogram).
User-defined hyphenation overrides.
Interactive demo and multilingual examples.
Dual ESM + CommonJS builds with bundled TypeScript declarations.
Zero runtime dependencies.
276 tests (unit + integration + golden parity) with 100% coverage.
GitHub Actions CI pipeline (Node 18/20/22) and provenance-based publishing.