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CHANGELOG.md

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5.1.3

  • Update dependencies

5.1.2

  • Add isDeleted flag to watched change events

5.1.1

  • Remove timezone drift from Hlc.toString

5.1.0

  • Fix Hlc in Dart web
  • Breaking: replaced millis time representation with DateTime object
  • Breaking: removed logicalTime operators from Hlc since they failed silently in 32-bit environments
  • Add watch method to MapCrdtBase

5.0.2

  • Add convenience function to parse over-the-wire changesets

5.0.1

  • Fix dependency compatibility with the Flutter SDK

5.0.0

This version introduces a major refactor which results in multiple breaking changes. This was done with the intention to make this package the basis for a family of CRDT libraries.

Another motivation was to make this package compatible with crdt_sync, thereby abstracting the communication protocol and network management for real-time remote synchronization.

Changes:

  • Simplified API
  • Removed insert and get operations to make package more storage-agnostic
  • Made most methods optionally async
  • Reimplemented CrdtMap as a zero-dependency implementation

4.0.3

  • Update to Dart 3

4.0.2

  • Add purge() method to reset the data store

4.0.1

  • Fix edge case when merging remote records

4.0.0

  • Migrate to Dart null safety

3.0.0

  • Use milliseconds instead of microseconds for HLCs
  • Allow using non-string node ids
  • Allow watching for changes
  • Add modified field to Record
  • Add optional parameter modifiedSince to 'recordMap' to generate delta sets
  • Make basic tests available to subclasses
  • Move HiveCrdt project to its own repo: https://github.com/cachapa/hive_crdt

2.2.2

  • Hlc: Add convenience fromDate constructor
  • HiveCrdt: Fix NPE when getting a non-existing record

2.2.1

  • Crdt: Fix encoder return type

2.2.0

  • Crdt: Pass keys to map encoder and decoder, useful to disambiguate when parsing

2.1.1

  • Crdt: Fix HLC timestamp generation for dart-web

2.1.0

  • Hlc: Add const keywords to constructors wherever possible
  • Crdt: Expose canonical time
  • Crdt: Add convenience methods (isEmpty. length, etc.)
  • Crdt: Add encoders and decoders to serialization helpers
  • Crdt: Remove delta subsets using the record's HLC since it can lead to incomplete merges
  • Crdt: Fix issue where canonical time wasn't being incremented on merge
  • Crdt: Fix NPE when getting non-existent value
  • HiveCrdt: Store record modified time
  • HiveCrdt: Retrieve delta changesets based on modified times
  • HiveCrdt: between() returns values instead of records
  • HiveCrdt: watch() returns MapEntry instead of BoxEvent
  • HiveCrdt: Fix DateTime key serialization

2.0.0

  • Remove CrdtStore.
  • Make Crdt abstract.
  • Remove watches (they can be added in subclasses - see HiveCrdt).
  • Add MapCrdt, a CRDT backed by a standard Map useful for testing or for volatile datasets.
  • Add HiveCrdt as a submodule, A CRDT backed by a Hive store.

1.2.2

  • Fix incrementing the HLC when merging newer records.
  • Fix counter not being able to reach maximum (0xFFFF)

1.2.1

  • Remove unnecessary Future in Crdt.values getter.

1.2.0

  • Breaking: Crdt.get() now returns the value (or null) rather than the record. Use Crdt.getRecord() for the previous behaviour.
  • API Change: Getter methods on both Crdt and Store are now synchronous.
  • API Change: Crdt.Clear() now accepts purgeRecords to determine if records should be purged or marked as deleted.
  • Add Crdt.watch() and Store.watch() to monitor the CRDT for changes.
  • Add Crdt.isDeleted() to check if a record has been deleted.

1.1.1

  • Add values getter which retrieves all values as list, excluding deleted records

1.1.0

  • HLCs implement Comparable
  • Support typed key and values
  • Refactor CRDT and Store to replace index operators with getters and setters
  • Add clear() method
  • Add JSON de/serialisation helper methods

1.0.0

  • Initial version