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Questions - ramda.js

Ramda JS - Pass optional argument to the second function of a pipe

I am trying to refactor this code: async function getUserDataByUsername(username, cached = true) { const usernameRef = firestore .collection("usernames") .doc(username.toLowerCase(...
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Raul

javascript

pipe

refactoring

ramda.js

Votes: 0

Answers: 2

Latest Answer

I think we need to start with this: Now, I want to apply Ramda to this module. I have never used this library before, but I have read that it is really cool, and makes the code easier to understand w...
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Scott Sauyet

Sort array from object based on a property and return the sorted initial object

I have the following object { "object": "list", "url": "/v1/prices", "has_more": false, "data": [ { "id": "...
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Patrick Stanciu

javascript

arrays

sorting

ramda.js

Votes: 0

Answers: 3

Latest Answer

Just simple sorting, for example const obj = { "object": "list", "url": "/v1/prices", "has_more": false, "data": [ {"unit_amount": 2,}, {"unit_amount": 1,}, {"unit_amount": 3,}...
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A1exandr Belan

How do you keep the every kth element of a list in Ramda?

How do you filter out every kth element of a list with Ramda? input = [1, 2, 3, 4, 5, 6, 7, 8, 9] output = keepKth(input, 3) output = [1, 4, 7]
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nickponline

ramda.js

Votes: 0

Answers: 4

Latest Answer

This seemed to work: let k = 3; let Kth = (value, index) => (index % k == 0) let filterKth = R.addIndex(R.filter)(Kth); let input = [1, 2, 3, 4, 5, 6, 7, 8, 9]; let output = filterKth(in...
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nickponline

Ramda - how to get nested array values

I am trying to get values from nested arrays using Ramda. I have multiple groups like in the example below. I need to get all children from all sections and all childrenWithoutSections in one array of...
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omygoodness

javascript

ramda.js

Votes: 0

Answers: 2

Latest Answer

As well as the suggestions in the comments, we can also write a point-free version of this: const extract = chain ( lift (concat) ( pipe (prop ('sections'), pluck ('children'), flatten), ...
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Scott Sauyet

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