[memory-cache] Fix del sig, return boolean instead of void

[thieman]

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• Test the change in your own code. (Compile and run.)
• Add or edit tests to reflect the change.
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• Avoid common mistakes.
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If changing an existing definition:

• Provide a URL to documentation or source code which provides context for the suggested changes: Issue 65622

[typescript-bot]

@thieman Thank you for submitting this PR!

This is a live comment which I will keep updated.

1 package in this PR

• memory-cache — on npm, on unpkg (author is owner)

Code Reviews

Because you edited one package and updated the tests (👏), I can help you merge this PR once someone else signs off on it.

You can test the changes of this PR in the Playground.

Status

• ✅ No merge conflicts
• ✅ Continuous integration tests have passed
• ✅ Most recent commit is approved by type definition owners or DT maintainers

All of the items on the list are green. To merge, you need to post a comment including the string "Ready to merge" to bring in your changes.

---

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[typescript-bot]

🔔 @jedigo — please review this PR in the next few days. Be sure to explicitly select Approve or Request Changes in the GitHub UI so I know what's going on.

[typescript-bot]

Re-ping @jedigo:

This PR has been out for over a week, yet I haven't seen any reviews.

Could someone please give it some attention? Thanks!

[typescript-bot]

It has been more than two weeks and this PR still has no reviews.

I'll bump it to the DT maintainer queue. Thank you for your patience, @thieman.

(Ping @jedigo.)

[typescript-bot]

@thieman: Everything looks good here. I am ready to merge this PR (at 40eac43) on your behalf whenever you think it's ready.

If you'd like that to happen, please post a comment saying:

Ready to merge

and I'll merge this PR almost instantly. Thanks for helping out! ❤️

(@jedigo: you can do this too.)

[thieman]

Ready to merge