Created
January 27, 2017 17:34
-
-
Save orther/0081dda0006fb2e23fdd41b7a8c648e0 to your computer and use it in GitHub Desktop.
A few simple examples of sorting with Ramda's sortBy function.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import R from 'ramda'; | |
const items = [ | |
{id: 1, name: 'Al', country: 'AA'}, | |
{id: 2, name: 'Connie', country: 'BB'}, | |
{id: 3, name: 'Doug', country: 'CC'}, | |
{id: 4, name: 'Zen', country: 'BB'}, | |
{id: 5, name: 'DatGGboi', country: 'AA'}, | |
{id: 6, name: 'Connie', country: 'AA'}, | |
]; | |
const propName = R.prop('name'); | |
const propCountry = R.prop('country'); | |
// ~ ORDER BY name ASC, country ASC | |
const sortOne = R.sortWith([ | |
R.ascend(propName), | |
R.ascend(propCountry), | |
]); | |
// ~ ORDER BY country ASC, name ASC | |
const sortTwo = R.sortWith([ | |
R.ascend(propCountry), | |
R.ascend(propName), | |
]); | |
// ~ ORDER BY LENGTH(state) DESC, country ASC | |
const sortThree = R.sortWith([ | |
R.descend(R.compose(R.length, propName)), | |
R.ascend(propCountry), | |
]); | |
console.group('sortOne ~ ORDER BY name ASC, country ASC'); | |
console.table(sortOne(items)); | |
console.groupEnd(); | |
console.log(); | |
console.group('sortTwo ~ ORDER BY country ASC, name ASC'); | |
console.table(sortTwo(items)); | |
console.groupEnd(); | |
console.log(); | |
console.group('sortThree ~ ORDER BY LENGTH(state) DESC, country ASC'); | |
console.table(sortThree(items)); | |
console.groupEnd(); | |
console.log(); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
sortOne ~ ORDER BY name ASC, country ASC