migration-script-runner / msr-core / b36a4dce-9fbb-43b5-b061-4c93020cd0e3

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Pull #132

circleci

#138: Add handler generic type parameter to MigrationScriptExecutor

Added optional THandler generic parameter for type-safe handler access in adapters.

Changes:
- Added THandler generic with default IDatabaseMigrationHandler<DB>
- Updated MigrationScriptExecutor<DB, THandler> class signature
- Updated IMigrationExecutorDependencies<DB, THandler> interface
- Changed handler assignment to preserve type from dependencies
- Added comprehensive JSDoc with adapter usage examples

Benefits:
- Type-safe access to handler properties in adapter implementations
- Eliminates need for casting and bracket notation workarounds
- Backwards compatible - default type parameter maintains existing behavior
- Better IDE autocomplete for adapter-specific handler properties

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