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dart / observable / 0cecece8026d86fd4f5c909ab2e520f9e3fd28ba
commit0cecece8026d86fd4f5c909ab2e520f9e3fd28ba[log] [tgz]
authorMark Egli <markegli@google.com>Tue Nov 30 13:38:38 2021 -0800
committerMark Egli <markegli@google.com>Tue Nov 30 13:43:29 2021 -0800
tree2500b70d0be3417406f1628289aae0b80b24cec8
parent78867c84013a3b500825b9bb1287f8df959fc3be [diff]
Internal change

PiperOrigin-RevId: 413233451
4 files changed
tree: 2500b70d0be3417406f1628289aae0b80b24cec8
  1. lib/
  2. test/
  3. analysis_options.yaml
  4. AUTHORS
  5. CHANGELOG.md
  6. dart_test.yaml
  7. LICENSE
  8. pubspec.yaml
  9. README.md
README.md

Build Status

Support for detecting and being notified when an object is mutated.

An observable is a way to be notified of a continuous stream of events over time.

Some suggested uses for this library:

  • Observe objects for changes, and log when a change occurs
  • Optimize for observable collections in your own APIs and libraries instead of diffing
  • Implement simple data-binding by listening to streams

You may want to look at the former TC39 proposal Observe.observe, which was deprecated.

Usage

There are two general ways to detect changes:

  • Listen to Observable.changes and be notified when an object changes
  • Use Differ.diff to determine changes between two objects