Compare, sort, javascript

compar.js

export const stringCompare = (a, b) => a.toLocaleLowerCase().localeCompare(b.toLocaleLowerCase())
export const numberCompare = (a, b) => parseFloat(a) - parseFloat(b)
export const dumbCompare = (a, b) => a - b
export const dateCompare = (a, b) => (a < b ? -1 : a > b ? 1 : 0)

export const sortByArchived = (a, b) => dumbCompare(a.archived, b.archived)
export const sortByDate = (a, b) => numberCompare(a.date, b.date) * -1

export const sortInverter = sortFunction => (a, b) => sortFunction(a, b) * -1
export const composeSort = (sortA, sortB) => (a, b) => sortA(a, b) || sortB(a, b)

const sortedNews = news.sort(composeSort(sortByArchived, sortByDate))