declarative loop vs imperative loop
I am trying to switch my programming style to declarative from imperative, but there is some concept that is bugging me like the performance when it comes to the loop. For example, I have an original …
Tag: ramda.js
Refactoring if statements using Ramda
I’m new to using Ramda so when I performed a map function (in my gatsby app) on an array of blog posts, within that map I used simple if statements. But I want to do this the right way, using Ramda …
Pattern to store temporary values with Ramda
The Pattern I keep finding myself doing this and I’m not sure if it’s fine, or if I’m approaching things the wrong way. Consider the following: const unfoldLast = curry( (pred, fn, init) => pipe( …
Ramda selfComposeWhile
The Problem: I’m learning functional programming Just kidding, but also… I have a helper function that composes a function with itself over and over again until some condition is met. Like f(f(f(f(f(…
Ramda Curry with Implicit Null
I’ve been trying to learn the Ramda library and get my head around functional programming. This is mostly academic, but I was trying to create a nice logging function that I could use to log values to …
Basics with Ramda/Functional Programming [closed]
The Part That Works I’ve read a bunch of the articles and watched a few of the talk about FP in JavaScript and decided to give it a go. I get that this is basic stuff, but one more time? Here goes: …
Reduce Array of Array of Objects Using Ramda
I have an array of array of objects. I want to reduce that to an array of object and adding one more property to each object. The sample input is: const data = [ [ {name:”a”, val:…
How to extract and process nested arrays?
I’m struggling to extract rules array from a JSON test report. Can anyone point me in the right direction? // input const json = { “data”: { “allTests”: [ { &…
Ramda – Convert array of objects into object
Looked around but couldn’t find an answer to this. Is there a more declarative way of doing this with ramda? R.reduce((acc, val) => { acc[val.name] = val.value return acc }, {}, fields) …
How to extract the value out of Monads in the Crocks javascript library
I understand that monads typically don’t want to unwrap the underlying value because it may or may not exist. In my use case I would like to use functional programming techniques, using ramda for a …