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Changelog

0.0.5 - 2026-04-09

Added

  • Geometry-first rich line helpers for manual layout work: measureLineStats(), measureNaturalWidth(), layoutNextLineRange(), and materializeLineRange().
  • @chenglou/pretext/rich-inline, a narrow helper for inline-only rich text, mentions/chips, and browser-like boundary whitespace collapse.
  • { wordBreak: 'keep-all' } support on prepare() / prepareWithSegments() for CJK and Hangul text, plus a small standing keep-all browser oracle.
  • A virtualized markdown chat demo that dogfoods the rich-inline helper and pre-wrap text measurement.

Changed

  • Documentation now matches the current public API surface and user-facing limitations more closely.
  • The maintained corpus/status workflow now centers on checked-in Chrome and Safari step=10 sweeps instead of the older representative/sample reports.
  • Prepare-time analysis is more resilient on long mixed-script, CJK, Arabic, repeated-punctuation, and other degenerate inputs.
  • bun start now binds to LAN by default, and bun run start:windows provides a Windows-friendly fallback.

Fixed

  • Mixed CJK-plus-numeric runs, keep-all mixed-script boundaries, and long breakable runs now stay closer to browser behavior.
  • Rich-path bidi metadata and CJK detection now handle the relevant astral Unicode ranges correctly.
  • The probe page now reports line content end offsets correctly when a line range steps past a hard break omitted from rendered line text.

0.0.4 - 2026-04-02

Added

  • A justification comparison demo that shows native CSS justification, greedy hyphenation, and a Knuth-Plass-style paragraph layout side by side.
  • Machine-readable status dashboards under status/dashboard.json and corpora/dashboard.json for tooling and release-time inspection.

Changed

  • Browser automation and reporting are more robust: batched sweep transport, phase-aware timeout diagnostics, background-safe correctness runs, and unified Firefox accuracy automation.
  • Rich-line benchmark coverage now includes chunk-heavy and long-breakable stress cases, and chunk lookup in the rich path now uses binary search.

Fixed

  • layout(), layoutWithLines(), and layoutNextLine() stay aligned on narrow ZWSP / grapheme-breaking edge cases.
  • The justification comparison demo no longer paints justified lines wider than their column.

0.0.3 - 2026-03-29

Changed

  • npm now publishes built ESM JavaScript from dist/ instead of exposing raw TypeScript source as the package entrypoint.
  • TypeScript consumers now pick up shipped declaration files automatically from the published package, while plain JavaScript consumers can install and import the package without relying on dependency-side TypeScript transpilation.

0.0.2 - 2026-03-28

Added

  • { whiteSpace: 'pre-wrap' } mode for textarea-like text, preserving ordinary spaces, tabs, and hard breaks.

0.0.1 - 2026-03-27

Changed

  • Safari line breaking now has a clearer browser-specific policy path for narrow soft-hyphen and breakable-run cases.
  • Browser tooling is more stable: fresh per-run page ports, diagnostics derived from the public rich layout API, and a non-watch bun start by default.

0.0.0 - 2026-03-26

Initial public npm release of @chenglou/pretext.

Added

  • prepare() and layout() as the core fast path for DOM-free multiline text height prediction.
  • Rich layout APIs including prepareWithSegments(), layoutWithLines(), layoutNextLine(), and walkLineRanges() for custom rendering and manual layout.
  • Browser accuracy, benchmark, and corpus tooling with checked-in snapshots and representative canaries.