flutter_adaptive_template_fs 0.3.0

A template engine for adaptive cards, enabling data binding and dynamic rendering of adaptive card payloads in Flutter.

0.3.0 - 2026-04-12

• Initial release of the independent flutter_adaptive_template_fs package.
• Fixed flaky date formatting tests in template_test.dart by making expectations timezone-aware.
• Replaced regex-based expression evaluator with a robust AST-based recursive-descent parser.
• Added support for full Adaptive Expressions Language (AEL) operators (math, logical, comparison).
• Enabled dynamic key expansion for objects (e.g., {"${dynamicKey}": "value"}).
• Implemented standard AEL functions: length, concat, empty, json, and if.
• Added support for legacy {} syntax for broader compatibility.
• Improved stability and error handling for complex nested expressions.
• Added support for math operations (modulo % and power ^).
• Added support for core math functions: min, max, round, floor, and ceil.
• Added support for core string functions: toUpper, toLower, trim, replace, and substring.
• Added Adaptive Expressions Language (AEL) Date/Time function support (utcNow, formatDateTime, year, month, dayOfMonth, date).
• Added Date manipulation functions (addDays, addHours, addMinutes, addSeconds).
• Added intl package dependency for date parsing functionality.