Add tests

[timja]

No description provided.

[jetersen]

Some suggestion for pure javascript

Hook up eslint and prettier and unicorn. Unicorn has sane defaults for modern javascript.
See my PR here updatecli/updatecli-action#100

Add jsconfig.json should help with improve type detection for vscode.
Add jsconfig.json in your test folder that helps with jest type annotations.

index.js should really only be routing probot.

Everything else should be imported. FYI probot blocks you from switching to ESM. So stick with commonjs due to: probot/pino#188
Because of it you need to turn off some features of unicorn, see release-drafter eslintrc

[timja]

Sure can have a look at unicorn.

Prettier is already in place here.

The typings already seem to work quite well but can add if it helps more.

and yeah will do eslint.

I have the start of some jest tests locally but didn't get much time yesterday on it.

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Thanks for the suggestions

[jetersen]

Link to unicorn eslint plugin at least: https://github.com/sindresorhus/eslint-plugin-unicorn

[timja]

Link to unicorn eslint plugin at least: sindresorhus/eslint-plugin-unicorn

:) I found it in your PR, but that would've helped, it didn't come up on google (without adding eslint to search)

[jetersen]

Great stuff 👏