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Cldr Collation version 1.0.0

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@kipcole9 kipcole9 released this 11 May 05:28
· 6 commits to main since this release
v1.0.0
e7735a6

This is a major release that replaces the previous NIF-only implementation with a
complete pure-Elixir implementation of the Unicode Collation Algorithm (UCA) as
extended by CLDR. The optional NIF backend is retained for high-performance use cases.

Breaking changes

  • The main module is now Cldr.Collation (was Cldr.Collator).

  • Cldr.Collation.compare/3 returns :lt | :eq | :gt (was -1 | 0 | 1).

  • Module-based comparators are now Cldr.Collation.Sensitive and Cldr.Collation.Insensitive (were Cldr.Collator.Sensitive and Cldr.Collator.Insensitive).

Enhancements

  • Implement the full Unicode Collation Algorithm in pure Elixir, removing the hard requirement on ICU system libraries.

  • Support all BCP47 -u- extension collation keys: strength, alternate, backwards, normalization, case_level, case_first, numeric, reorder, and max_variable.

  • Add locale-specific tailoring for Danish, German (phonebook), Spanish, Swedish, Finnish, Norwegian, Polish, Croatian, and Turkish.

  • Add CJK radical-stroke ordering via Cldr.Collation.Han.

  • Add fast Latin lookup path for codepoints U+0000..U+017F.

  • Add script reordering support (reorder option).

  • Add convenience options: ignore_accents, ignore_case, ignore_punctuation, and casing for compatibility with the previous ex_cldr_collation API.

  • Add Cldr.Collation.sort/2 for sorting string lists.

  • Add Cldr.Collation.sort_key/2 for generating binary sort keys.

  • Support Cldr.LanguageTag structs as the :locale option when ex_cldr is available.

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