Add prerequisites for practice exercises

[TomPradat]

This PR is related to #983 , it will deal with the following exercises :

meetup

hamming

raindrops

nucleotide-count

In order to evaluate the prerequisites in the best way, I'm doing the exercise then I'm reviewing the exercise's proof of work and the submitted solutions.

[github-actions]

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[TomPradat]

I feel like "strings" is a duplicate of "template-strings", but I'm not 100% sure about adding "template-strings" here, what do you think?

[junedev]

This exercise is a tough one to define. The proof file solution is not very good imo and the community solutions are full of awful solutions as well.

I digged around a bit and I would use something like this as guidance for the prerequisites: https://exercism.org/tracks/javascript/exercises/nucleotide-count/solutions/shybyte
but with two changes

• instead of the spread operator (...) there could be a simple split
• you need a template string instead of Object.values(...).join in the end because the order is not guaranteed otherwise

That would leave us with classes, objects, template-strings, array-loops, conditionals and errors as prerequisites. What do you think about that?

I think we don't need to list strings as well because template strings will always come after "strings" in the concept tree.

[TomPradat]

Agreed, I've done something similar myself: https://exercism.org/tracks/javascript/exercises/nucleotide-count/solutions/TomPradat

I'm wondering about conditionals though, it seems to me that 4 prerequisites are long enough. What's more, conditionals should be known before learning about objects. What do you think?

[TomPradat]

May I have a hacktoberfest-accepted label on this PR please ❤️

[junedev]

Left my thoughts on the exercises in the PR. The issue description also mentions "meetup". Not sure what's up with that. 🤔

[junedev]

This exercise is a tough one to define. The proof file solution is not very good imo and the community solutions are full of awful solutions as well.

I digged around a bit and I would use something like this as guidance for the prerequisites: https://exercism.org/tracks/javascript/exercises/nucleotide-count/solutions/shybyte
but with two changes

• instead of the spread operator (...) there could be a simple split
• you need a template string instead of Object.values(...).join in the end because the order is not guaranteed otherwise

That would leave us with classes, objects, template-strings, array-loops, conditionals and errors as prerequisites. What do you think about that?

I think we don't need to list strings as well because template strings will always come after "strings" in the concept tree.

[junedev]

Update: "classes" can be removed here, the exercise was changed to remove the unnecessary class definition (#1488)

[TomPradat]

I meant to create an issue about this, good to know it has been fixed :)

[TomPradat]

Left my thoughts on the exercises in the PR. The issue description also mentions "meetup". Not sure what's up with that. thinking

Oops, looks like I forgot to push this one's commit. It's done now :)