Can you provide a custom shim/patch with zone.js?

Question

The way that zone.js works is by shimming out all standard browser/node APIs. That's a neat idea and seems to work quite well. It occurs to me that if its possible to provide your own custom shims then you could use that as a very flexible mocking system for tests rather than having to do stuff like rely on Sinon's fakeTimers.

Is doing this currently possible with zone?

score 1 · Answer 1 · answered Sep 27 '18 at 12:26

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Yes, you can, and Sinon'sfakeTimers are being patched in a PR of zone.js (not released yet), but of course, you can create your own patch with current zone.js API.

answered Sep 27 '18 at 12:26

jiali passion

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That's my question - what zonejs API do you use to for example use your own implementation of `setTimeout` – George Mauer Sep 27 '18 at 14:03
Looks like you're referring to [this PR](https://github.com/angular/zone.js/pull/1084)? – George Mauer Sep 27 '18 at 14:19
Yes, I remembered I did patch `fakeTimers`, if not, I will add the support to it later. – jiali passion Sep 27 '18 at 22:45
Do you think you can edit your question to show *how* to do it and then I'll accept the answer? – George Mauer Sep 30 '18 at 15:12

Can you provide a custom shim/patch with zone.js?

1 Answers1