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feat: Test running overhaul, switch to Prettier & reformat everything (#1407)

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* chore: Switch to Node 20 + Vitest

* chore: migrate to vitest mock functions

* chore: code style (switch to prettier)

* test: re-enable long-running test

Seems the switch to Node 20 and Vitest has vastly improved the code's and / or the test's runtime!

see #1193

* chore: code style

* chore: fix failing tests

* Updated Documentation in README.md

* Update contribution guidelines to state usage of Prettier

* fix: set prettier printWidth back to 80

* chore: apply updated code style automatically

* fix: set prettier line endings to lf again

* chore: apply updated code style automatically

---------

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: Lars Müller <34514239+appgurueu@users.noreply.github.com>
This commit is contained in:
Roland Hummel
2023-10-03 23:08:19 +02:00
committed by GitHub
parent 0ca18c2b2c
commit 86d333ee94
392 changed files with 5849 additions and 16622 deletions
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6
Maths/MobiusFunction.js
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@ -25,5 +25,9 @@ export const mobiusFunction = (number) => {
if (number <= 0) {
throw new Error('Number must be greater than zero.')
}
return primeFactorsArray.length !== new Set(primeFactorsArray).size ? 0 : primeFactorsArray.length % 2 === 0 ? 1 : -1
return primeFactorsArray.length !== new Set(primeFactorsArray).size
? 0
: primeFactorsArray.length % 2 === 0
? 1
: -1
}