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Showing posts with the label Functional Programming

Generalised Curry - Javascript

While reading an article on implementation of a generalised curry in Javascript, I stumbled upon th… Read more Generalised Curry - Javascript

Find Object In Array With Subarray Checking An Property

I have the array below and each element has another array called FunctionalityChildren, I need find… Read more Find Object In Array With Subarray Checking An Property

Why Does Using Array.map(parseint) On An Array Of Strings Produce Different Results

I was watching a talk on destroy all software title The Birth and Death of Javascript during the ta… Read more Why Does Using Array.map(parseint) On An Array Of Strings Produce Different Results

Set Key In A Javascript Generator Function

Hi I'm trying to figure out how to set up the key in a symbol iterator, this is the code I have… Read more Set Key In A Javascript Generator Function

Why Can't Promise.resolve Be Called As A Function?

Something that is bugging me and my colleague. Consider the following... const {map, compose} = req… Read more Why Can't Promise.resolve Be Called As A Function?

How To Filtering Array Of Sub-array Of Objects And Array Of Sub-array Of Objects In Javascript

I have got two arrays of objects. I want to filter data based on permissionObj. This is coming from… Read more How To Filtering Array Of Sub-array Of Objects And Array Of Sub-array Of Objects In Javascript

Js Using Partially Parametrized Function

I'm very new to JS, I've tried code below : function isBigEnough(element, index, array, thr… Read more Js Using Partially Parametrized Function

Y-combinator In Javascript

I have built a y-combinator in js like this const y = f => { const g = self => x => f(sel… Read more Y-combinator In Javascript

Using Ramda, And Pointfree Style, How Can I Copy The First Item Of An Array To The End Of It?

I want to take an array [1, 2, 3] and return [1, 2, 3, 1]. I'm using Ramda, and I can get the d… Read more Using Ramda, And Pointfree Style, How Can I Copy The First Item Of An Array To The End Of It?

Understanding Stack And Frame In Javascript

I am brand new to js, and am having trouble understanding what happens in the background. So if I h… Read more Understanding Stack And Frame In Javascript

Apply A List Of Functions To A Value In Ramda

How would I best create this function in Ramda? function get_list (value) { return [ first_tr… Read more Apply A List Of Functions To A Value In Ramda

Good Names For Flipped Versions Of `lt`, `lte`, `gt`, And `gte`?

I've been working for some time on a Javascript FP library called Ramda, and I'm having a s… Read more Good Names For Flipped Versions Of `lt`, `lte`, `gt`, And `gte`?

Ramda Js Best Way To Get The Tightest Geographic Bound

I am attempting to use the Google Places API in order to get the place name of a location I am in. … Read more Ramda Js Best Way To Get The Tightest Geographic Bound

Conforming My Readpackagefiles To Fit Inside "parallel" Function

I got a lot of help from this SO question around grabbing directories and searching files. I'm… Read more Conforming My Readpackagefiles To Fit Inside "parallel" Function

Inject Functions With Side-effects

I'm having an issue when using higher-order functions. Let's say I have the following code … Read more Inject Functions With Side-effects

Js Functions Composed In The Opposite Order

Starting with a simple function composition const fa = (x => (x + 'a')); const fb = (x =… Read more Js Functions Composed In The Opposite Order

Can I Make This Function Defenition Even Shorter?

I am trying move more towards functional programming in my javascript applications. I currently use… Read more Can I Make This Function Defenition Even Shorter?

Generalised Curry - Javascript

While reading an article on implementation of a generalised curry in Javascript, I stumbled upon th… Read more Generalised Curry - Javascript

How To Filtering Array Of Sub-array Of Objects And Array Of Sub-array Of Objects In Javascript

I have got two arrays of objects. I want to filter data based on permissionObj. This is coming from… Read more How To Filtering Array Of Sub-array Of Objects And Array Of Sub-array Of Objects In Javascript

Pass Result Of Functional Chain To Function

If I have an array someArray that I first want to do some operations on and then pass that result t… Read more Pass Result Of Functional Chain To Function