rambda | Faster and smaller alternative to Ramda | Functional Programming library
kandi X-RAY | rambda Summary
kandi X-RAY | rambda Summary
Rambda is smaller and faster alternative to the popular functional programming library Ramda. - Documentation.
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rambda Key Features
rambda Examples and Code Snippets
//the function signature
result = findDeep(object, query, options);
/* Test dataset */
const dataset = {
home: {
label: 'home',
alt: 'home',
uniqueId: 'home',
},
tasks: {
label: 'tasks',
Community Discussions
Trending Discussions on rambda
QUESTION
I'm trying to make a copy of an object and change properties using Rambda's mergeRight
function. The problem is it allows me to merge in properties that do not exist in the interface definition.
ANSWER
Answered 2020-May-18 at 19:00To filter out keys that are not part of user, use R.pick to take just keys that exist in User
from the new object.
This will only effect the root level of the object, and not deeper mismatches.
QUESTION
I have this code:
...ANSWER
Answered 2020-Apr-16 at 08:01Is there a particular reason why you want to use lenses here? Don't get me wrong; lenses are nice but they don't seem to add much value in your case.
Ultimately this is what you try to accomplish (as far as I can tell):
QUESTION
I am trying to wrap my head over Ramda and functional programming in general and see if it makes sense in my case.
Below it the typical problem I need to solve:
As input data, the following:
...ANSWER
Answered 2019-Feb-06 at 14:44I think it makes sense to use Ramda:
- Ramda does not mutate data
- Ramda does have lots of functions to help you deal with lists and objects
This would mutate the original object:
QUESTION
I have two objects, one describes the features
of a location, the other describes the prices
of those features.
ANSWER
Answered 2019-Jan-27 at 13:26Lodash
Here is a solution that uses _.flow()
:
- Convert the features to an array using
_.values()
,_.flatten()
, and_.compact()
(to ignorebuilding
whenundefined
). - Convert to an array of
id
s with_.map()
. - Get the values with
_.at()
.
QUESTION
I'm currently teaching myself functional programming.
I'm trying to translate the following:
...ANSWER
Answered 2019-Jan-10 at 14:36Ramda is auto curried, so you can invoke the function with some of the parameters, and get a new function back. For example:
QUESTION
I really enjoy the Rambda.js library. (https://ramdajs.com/)
However, I don't understand the method level shorthand documentation.
For example: R.Assoc shorthand documentation reads "String → a → {k: v} → {k: v}"
What is this style called and where can I find resources to help decipher these symbols?
...ANSWER
Answered 2018-Jun-18 at 15:20There is a long article on this in the Ramda wiki. There is also a briefer overview in issue 2547.
These are mostly an attempt to adapt the Hindley-Milner type annotation to Javascript.
QUESTION
const R = require('rambda')
export const test = () => {
const data = [1, 2, 3, 4, 5, 6, 7, 8]
const filter = no => no > 5
const map = no => no * 100
// looping 2 times
return data
.filter(filter)
.map(map)
// wird 1 loop
return data.reduce((data, no) => {
if (!filter(no)) return data
data.push(map(no))
return data
}, [])
// I want to do something like this.
return data.map(R.pipe(map, filter))
}
...ANSWER
Answered 2018-Apr-10 at 01:08Of course it can be.
QUESTION
I am trying to figure out tree-shaking in Webpack and I noticed that running -webpack -optimize-minimize
on this Example1 is 11kB, while on Example2 it is 7kB.
The library Rambda
has a field module in its package.json
. As far as I can see Webpack doesn't respect it and I need to explicitly refer to the esm
file location.
The question is that a bug or a feature?
Example1
...ANSWER
Answered 2017-Oct-09 at 09:30I found that this is a documented bug - https://github.com/webpack/webpack/issues/4674
What is the current behavior? When module's package.json contains browser, module & main fields, webpack is bundling browser build by default.
The bug is unresolved for 6 months so the solution is ugly - remove browser field from package.json
, so Webpack
can use module field.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install rambda
yarn add rambda
For UMD usage either use ./dist/rambda.umd.js or the following CDN link:
with deno
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