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this post was submitted on 31 Jan 2024
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Today I Learned
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you should see the "is_odd" package...
it's like, return (num%2)? true:false
People using this deserve that their code breaks. Absolutely ridiculous.
Neither this, nor the leftpad thing, nor this is-even “package” are things I would even think about for a second before just writing it on my own. I wouldn’t even consider those features (let alone packages to depend my code on!) but basic programming.
Problem is when you accidentally pull it in as a transitive dependency...
Yeah :( This also is why such nonsense “breaks the Internet” …
i just don't see how npm is letting this happen...
im going to write an npm module called "true" that just returns true...
… and that has 4 dependencies on it’s own!
well although 1 evaluates as true and zero as false, it's not the same thing...
so yes, i did...
at which point do you blame the language for not implementing it natively?
I mean, does any language implement
is_odd()natively? Doesn't everyone implement modulus and pretty much assumes that you remember modulus from elementary and can infer that even numbers are those wherex % 2 == 0.Isn’t %2 already native?
(BTW this thing failed JavaScript so hard ECMA immediately included it in that year’s standard)
Erm … What more native than
number % 2do you want to have it?2.is_even()(I don't know, if this is possible in JS.)
Let’s call the number variable just
x, you then have literal math (Euclidean division) if you ignore===instead of=for equals.This can’t get better or more native than “just math”. This is the whole code you need to detect if a number is even. I wouldn’t even call it “code”.
If you remove whitespaces and ignore the type you end up with x%2==0 which is 6 characters long and a fully valid
ifclause. No magic involved, no abstraction, no weird function calls on integers …I see that in modern JS this type of coding is a trend, but you can’t tell me you want to replace 6 characters with an own module or a package. :)
at 200k weekly downloads, i blame npm for allowing it...
https://www.npmjs.com/package/is-even
https://www.npmjs.com/package/undefined
What do you think about this package? 14,000 weekly downloads...
now i understand why people would call code "beautiful" and "elegant"
...
this here is a true work of art