获取延迟的 Angular 状态? [英] Get state of Angular deferred?

问题描述

使用 jQuery deferreds，我曾经能够像这样检查当前状态:

With jQuery deferreds I'm used to be able to check the current state like this:

var defer = $.Deferred();
defer.state();  //Returns the state of the deferred, eg 'resolved'

有没有办法对 Angular 延迟做同样的事情?(甚至更好的承诺)

Is there a way to do the same for Angular deferreds? (or even better promises)

推荐答案

更新:

由于 $q 的重构，虽然没有记录，但现在可以实现:

Due to refactoring of $q this is now possible although not documented:

promise.$$state.status === 0 // pending
promise.$$state.status === 1 // resolved
promise.$$state.status === 2 // rejected

原文:

与大多数承诺库(Bluebird、Q、when、RSVP 等)不同，$q 不公开同步检查 API.

Unlike most promise libraries (Bluebird,Q, when, RSVP etc), $q does not expose a synchronous inspection API.

没有办法从外部实现这一点.

There is no way to achieve this from the outside.

您必须在承诺上调用 .then 并且该处理程序中的代码将在承诺履行时运行.

You have to call .then on the promise and code in that handler will run when the promise fulfills.

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