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Published 19 hours ago
SDKFlutter
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A Dart/Flutter package to format dates in a flexible and generalized way, extending the functionality of the general_datetime package for versatile date formatting.

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Changelog #

3.0.0 #

  • Keep general_date_format_core and general_datetime_core at 1.0.0. The companion Flutter chronology wrapper is general_datetime 4.0.0; this checkout's ^3.0.0 chronology constraint still needs alignment before the new wrappers can resolve together without a local override.
  • Remove internal formatter, helper, and symbol forwarding files. Material adapters and internal tests reference general_date_format_core directly; the public general_date_format.dart entry point retains the core re-export.
  • Remove the unused deprecated locale initialization hook from the Dart core.
  • Validate strict/loose era labels against the resolved year's sign, preserving ambiguous labels and signed-year round trips, including year zero.
  • Resolve two-digit years across chronology bounds and negative centuries; compare wall-field window endpoints and keep repeated-year range failures within the documented FormatException/nullable parsing contracts.
  • Reject local DST normalization that changes minutes, seconds, or fractional seconds during strict/loose parsing; preserve permissive parsing and the date-only one-hour midnight exception.
  • Remove Gregorian formatting/parsing from GeneralDateFormat; applications use intl.DateFormat directly and choose their own locale initialization.
  • Bundle Persian/Hijri neutral locale metadata and remove intl and clock from the Dart core.
  • Remove the Flutter wrapper's direct intl dependency, imports and formatter bridge. Forward Material translations and number/time conventions through Flutter's public localization interface; retain calendar parsing and digits.
  • Add a per-formatter native now callback for two-digit year parsing.
  • Default pre-operation dateSymbols to Persian; reject native DateTime selectors with UnsupportedError, including nullable parsing APIs.

2.0.0 — release preparation #

  • Preserve microseconds with six fractional-second digits and native digits. Strict/loose parsing rejects nonzero precision beyond six digits; ordinary parsing truncates it. Legacy one-to-three-digit output remains millisecond based, and wider patterns pad exact zeros after microseconds.
  • Generate Persian and Umm al-Qura locale names from checksum-locked CLDR 48 inputs. Retain shared skeleton patterns and documented compatibility overrides, preserve attribution, and add deterministic generation checks.
  • Add pinned peer-repository CI, Flutter adapter compatibility coverage, and a reproducible native release performance baseline. Published-dependency and device/browser matrix execution remain release verification steps.
  • Extract formatting, parsing, locale resolution, and symbol data into pure Dart general_date_format_core 1.0.0, depending on general_datetime_core 1.0.0. Keep existing public formatter imports and Material localization delegates in the Flutter wrapper, with shared formatter/date type identities. Locale generators now write the canonical tables in the Dart core package.
  • Make the example sample one injectable native clock per screen, deriving Gregorian, Persian, and Hijri displays from the same instant. Freeze widget fixtures and verify midnight/rebuild consistency and exact picker selections.
  • Correct Afrikaans Persian month/era names using generated Unicode CLDR 48 data. Reconcile all Persian weekday, quarter, time, and week metadata with intl's shared locale tables; document generation and source conventions. Persian abbreviated weekdays and quarter spellings now match intl.
  • Breaking: DateSymbols fields and collections are immutable. Callers can read shared symbols or transform detached serializeToMap snapshots for their own UI, but cannot customize formatting by mutating global locale data.
  • Preserve supported locale scripts during fallback in formatting, parsing and Material date/number adapters. Normalize language/script/region components, retain regional patterns, and map Chinese scripts to compatible regional data.
  • Add script/region regressions and construct advertised script locales with Locale.fromSubtags in Material integration tests.
  • Validate conflicting/repeated date and time fields in strict and loose parsing, preserving ambiguous names and per-token hour ranges/two-digit-year semantics.
  • Respect h/K versus H/k hour cycles with AM/PM; validate mixed 24-hour markers without shifting the hour.
  • Correct numeric c/cc to unpadded locale-relative weekdays 1–7 and validate weekday consistency. Update former day-of-month expectations and documentation.
  • Breaking: require general_datetime ^3.0.0, excluding the defective published 2.1.0 chronology and instant contracts. Publish general_datetime first.
  • Remove the old Hijri UTC workaround and use the corrected core directly.
  • Add dependency-contract regressions for Umm al-Qura conversion, UTC parsing, native equality, and supported range APIs.
  • Added Persian and Hijri Material localization delegates using calendar-aware date formats, translated Flutter labels, native digits and strict input parsing.
  • Demonstrate both localized calendar pickers in the example and test their integration with calendar delegates and date input fields.
  • Preserve signed Persian years when formatting and parsing extended dates.
  • Added 319 comprehensive tests, including critical boundary/parser cases, all-locale round trips, seeded date generation, and timezone CI coverage.
  • Keep native-digit input parseable with ASCII output; require textual fields in loose parsing and allow flexible whitespace inside localized names.
  • Fixed Gregorian symbol selection and removed shared calendar state.
  • Replaced copied Persian data with Unicode CLDR 48 Hijri month and era names.
  • Implemented local, UTC, strict and loose parsing for all three supported calendars.
  • Fixed day-of-year handling, compact numeric fields, hour ranges, two-digit years, fractional-second parsing and pattern-cache invalidation.
  • Reject malformed quoted patterns and unsupported time-zone patterns explicitly.
  • Reuse locale pattern data and preserve ASCII/native digit parsing.
  • Added calendar/parsing regression coverage, analysis and formatting CI checks.
  • Replaced the counter example and corrected API documentation.
  • Added intl and clock dependencies and aligned Flutter support with 3.32 or newer.

1.0.1 #

  • Updated general_datetime dependency to ^2.1.0
  • Improved internal date symbol processing and helper utilities
  • Refined pattern parsing logic in StringStack
  • Synchronized Android build configurations for the example project

1.0.0 #

  • Initial stable release
  • Added support for a wide range of locales
  • Internal optimizations for pattern parsing and string handling
  • Updated example project with latest Android configurations
  • Documentation improvements and added LICENSE

0.1.3 #

  • Updated README.md and documentation

0.1.2 #

  • Some optimizations applied
  • Updated README.md and documentation

0.1.1 #

  • Full implementation of format functions for JalaliDateTime
  • Updated README.md and documentation

0.0.1 #

  • Initial release with support for all platforms

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Metadata

A Dart/Flutter package to format dates in a flexible and generalized way, extending the functionality of the general_datetime package for versatile date formatting.

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Topics

#date #time #format #utils #service

License

BSD-3-Clause (license)

Dependencies

flutter, flutter_localizations, general_date_format_core, general_datetime

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