🎨 Refactor into pure.js

This commit is contained in:
Kevin Van Der Werff
2019-10-21 16:16:10 +02:00
parent 0d3a0489ae
commit a0698f09bb
2 changed files with 38 additions and 17 deletions

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@@ -1,5 +1,6 @@
import resources from '../resources'
import { prop, compose, flatten, map, filter, isEmpty, not, any, includes, curry } from 'ramda'
import { prop, compose, filter } from 'ramda'
import { includesElOf, getAllResources, tagsNotEmpty } from '../utils/pure'
// Polyfill for flat
if (!Array.prototype.flat) {
@@ -22,14 +23,6 @@ if (!Array.prototype.flat) {
})
}
// True if list2 has element that appears in list1
// includesElOf([1, 2], [3]) -> false
// includesElOf([1, 2])([3]) -> false
// includesElOf([1, 2], [2]) -> true
// includesElOf([1, 2])([2]) -> true
// includesElOf :: [a] -> [a] -> Bool
// const includesElOf = curry((list1, list2) => any(flip(includes)(list2), list1))
export const state = () => ({
resources: resources.map(category => ({
...category,
@@ -57,17 +50,12 @@ export const getters = {
return Object.assign(state.resources.find(category => category.title.toLowerCase() === categoryTitle.toLowerCase()))
},
findByTags: state => tags => {
// true if list2 has element that appears in list1 else false
// includesElOf [a] -> [a] -> Bool
const includesElOf = curry((list1, list2) => any(el => includes(el, list2), list1))
// getAllResources :: [Category] -> [Resource]
const getAllResources = compose(flatten, map(prop('resources')))
// tagsNotEmpty :: [Resource] -> Bool
const tagsNotEmpty = compose(not, isEmpty, prop('tags'))
// containsTags :: [Resource] -> [Resource]
const containsTags = filter(tagsNotEmpty)
// includesDesiredTags :: Resource -> Bool
const includesDesiredTags = compose(includesElOf(tags), prop('tags'))
// findResourcesByTag :: [Resource] -> [Resource]
const findResourcesByTag = filter(compose(includesElOf(tags), prop('tags')))
const findResourcesByTag = filter(includesDesiredTags)
// getDesiredResources :: [Category] -> [Resource]
const getDesiredResources = compose(findResourcesByTag, containsTags, getAllResources)

33
utils/pure.js Normal file
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@@ -0,0 +1,33 @@
/*eslint-disable */
import * as R from 'ramda'
/// Types
const Resource = {
title: String,
cleanTitle: String,
desc: String,
path: String,
url: String,
tags: [String],
}
const Category = {
title: String,
slug: String,
resources: [Resource],
}
/// Functions
// getAllResources :: [Category] -> [Resource]
const getAllResources = R.compose(R.flatten, R.map(R.prop('resources')))
// tagsNotEmpty :: Resource -> Bool
const tagsNotEmpty = R.compose(R.not, R.isEmpty, R.prop('tags'))
// true if list2 has element that appears in list1 else false
// includesElOf([1, 2])([2]) -> true
// includesElOf([1, 2], [3]) -> false
// includesElOf :: [a] -> [a] -> Bool
const includesElOf = R.curry((list1, list2) => R.any(el => R.includes(el, list2), list1))
export { getAllResources, tagsNotEmpty, includesElOf }