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George Kalpakas 7b92f214bb docs(service-worker): improve docs related to SwUpdate APIs (#46960)
This commit improves documentation related to recently improved or
deprecated `SwUpdate` APIs in the following ways:

- Update [check-for-update.service.ts][1] to make use of the return
  value of [SwUpdate#checkForUpdate()][2].
- Update [prompt-update.service.ts][3] to not call
  [SwUpdate#activateUpdate()][4] and just reload the page.
- Update the [SwUpdate#activateUpdate()][4] API docs to explain that it
  is only useful if you want to update a client without reloading and
  that it can easily lead to version skew.
- Update [a code-snippet][5] to no longer be [hard-coded][6].

[1]: https://github.com/angular/angular/blob/9d9d05911dbd6e2f30e4c7bced0e41fd20ec4285/aio/content/examples/service-worker-getting-started/src/app/check-for-update.service.ts#L16
[2]: https://angular.io/api/service-worker/SwUpdate#checkForUpdate
[3]: https://github.com/angular/angular/blob/9d9d05911dbd6e2f30e4c7bced0e41fd20ec4285/aio/content/examples/service-worker-getting-started/src/app/prompt-update.service.ts#L15
[4]: https://angular.io/api/service-worker/SwUpdate#activateUpdate
[5]: https://github.com/angular/angular/blob/96c6139c9ab35aa6ab2330a5a79a5906d5c2e8be/packages/service-worker/src/update.ts#L44-L54
[6]: https://angular.io/guide/docs-style-guide#hard-coded-snippets

Fixes #43665

PR Close #46960
2022-09-06 09:11:58 -07:00
..