FLUTTER ECOSYSTEM

google/observable

支援將物件標記為可觀察,並在這些物件被變更時收到通知。

可觀察 專案封面
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2021年12月1日
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使用的依賴

依賴清單 9 項

原始 README

以下為英文專案原文快照,最新內容請造訪 GitHub。

展開 / 收合專案 README

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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