🎯 Dataflow tools for Dart

Dataflow - data structures, tools and utilities for Dart and Flutter mobile developers to help on handling dynamic structured data and fetching it from various data sources.

Please see also geospatial specific data structures, tools and utilities at the separate Geospatial tools for Dart repository.

📦 Packages

Dart code packages published at pub.dev:

Code	Package	Description
🗒️ attributes		Decode and encode structured data type-safely from JSON. Utilities for data objects, entities and values.
☁️ datatools		Utilities to fetch data from HTTP and file resources and other data sources.

🗞️ News

2023-08-17

• New versions based on Dart 3:
  • attributes 1.0.0
  • datatools 1.0.0

2023-03-14

• Release version 0.8.2 (maintenance fixes)

2022-03-10

• Release version 0.8.1 (with small documentation fixes)

2021-10-02

• Release version 0.8.0.
• Interfaces and class structures stabilized, no major breaking changes planned at least short-term.
• Changes on attributes:
  • Apply very_good_analysis 2.3.0+ lint rules #13
  • Simplify mapping iterables in toData and fromData implementations of common domain model classes #12
  • Samples to compare using fromJson/toJson and using data objects provided by the attributes package #15
• Changes on datatools:
  • Apply very_good_analysis 2.3.0+ lint rules #13

2021-08-10

• BETA version 0.7.0
• New features and large refactoring on attributes:
  • structured data now handled using new DataObject and DataArray classes
    • with decoding and encoding with JSON Objects and JSON Arrays
  • value conversion functions enhanced
  • new sample domain model classes with JSON serialization
  • mini-libraries restructured
  • other refactoring and smaller new features
• Minor breaking changes on datatools:
  • support for "reviver" when decoding JSON, byte stream signature changed
• Official Dart lint rules applied with recommend set

2021-04-25

• BETA version 0.6.0
• This new GitHub repository named dataflow created
  • with attributes and datatools packages included starting from the version 0.6.0
  • previously on the geospatial repo
• Lint rules and analysis options updated
• Also implicit-casts and implicit-dynamic set to false requiring code changes
• New features on attributes:
  • refactored value accessors and mixins
  • PropertyMap (type and null safe access to Map<String, dynamic data) enchanced
  • PropertyList (type and null safe access to List<dynamic data) introduced

2021-03-03

• BETA version 0.5.0 with stable sound null-safety on all packages requiring the stable Dart 2.12

Please check history for previous releases from the Geospatial tools for Dart repository.

🏗️ Roadmap

See issues.

🏡 Authors

This project is authored by Navibyte.

©️ License

This project is licensed under the "BSD-3-Clause"-style license.

Please see the LICENSE.

⭐ Links and other resources

Some external links and other resources.

Dart and Flutter libraries

There are thousands of excellent libraries available at pub.dev.

Here listed only those that are used (depended directly) by code packages of this repository:

Package @ pub.dev	Code @ GitHub	Description
equatable	felangel/equatable	Simplify Equality Comparisons
http	dart-lang/http	A composable API for making HTTP requests in Dart.
http_parser	dart-lang/http_parser	A platform-independent Dart package for parsing and serializing HTTP formats.
intl	dart-lang/intl	Internationalization and localization support.
meta	dart-lang/sdk	This package defines annotations that can be used by the tools that are shipped with the Dart SDK.
path	dart-lang/path	A string-based path manipulation library.