Last active
March 10, 2020 13:07
-
-
Save RPDeshaies/7bc41522f7228aba0a3a9b76cb4cc7f9 to your computer and use it in GitHub Desktop.
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
type IDirection = "asc" | "desc"; | |
export function awesomeSort<T>( | |
array: Array<T>, | |
getters: Array<(el: T) => { value: unknown; direction: IDirection }> | |
) { | |
const arrayToSort = [...array]; | |
return arrayToSort.sort((a, b) => { | |
for (const getter of getters) { | |
const fieldType = typeof getter(a).value; | |
const sortingType = getter(a).direction; | |
if (fieldType === "number") { | |
const aNumber = getter(a).value as number; | |
const bNumber = getter(b).value as number; | |
const sortResult = | |
sortingType === "asc" ? aNumber - bNumber : bNumber - aNumber; | |
if (sortResult !== 0) { | |
return sortResult; | |
} | |
} | |
if (fieldType === "string") { | |
const aString = (getter(a).value as string).toLowerCase(); | |
const bString = (getter(b).value as string).toLowerCase(); | |
const sortResult = | |
sortingType === "asc" | |
? aString.localeCompare(bString) | |
: bString.localeCompare(aString); | |
if (sortResult !== 0) { | |
return sortResult; | |
} | |
} | |
} | |
return 0; | |
}); | |
} |
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 { useState } from "react"; | |
export function useSortFields<T>() { | |
type ISortFieldName = keyof T; | |
type IDirection = "asc" | "desc"; | |
type ISortField = { | |
field: ISortFieldName; | |
direction: IDirection; | |
}; | |
const [sortFields, setSortFields] = useState<Array<ISortField>>([]); | |
function toggleSortField(field: ISortFieldName) { | |
const index = sortFields.findIndex(s => s.field === field); | |
const element = sortFields[index]; | |
const exists = index !== -1; | |
if (!exists) { | |
addSortField(field, "asc"); | |
} else { | |
if (element.direction === "asc") { | |
setDirection(index, "desc"); | |
} else { | |
removeSortField(index); | |
} | |
} | |
} | |
function getDirection(field: ISortFieldName): IDirection | undefined { | |
return sortFields.find(s => s.field === field)?.direction; | |
} | |
function getIsActive(field: ISortFieldName) { | |
return sortFields.find(s => s.field === field) ? true : false; | |
} | |
function addSortField(field: ISortFieldName, direction: IDirection) { | |
const newSortFields = [ | |
...sortFields, | |
{ field: field, direction: direction } as ISortField | |
]; | |
setSortFields(newSortFields); | |
} | |
function setDirection(index: number, direction: IDirection) { | |
const element = sortFields[index]; | |
const newSortFields = [...sortFields]; | |
newSortFields[index] = { | |
...element, | |
direction: direction | |
}; | |
setSortFields(newSortFields); | |
} | |
function removeSortField(index: number) { | |
const newSortFields = sortFields.filter((sort, i) => i !== index); | |
setSortFields(newSortFields); | |
} | |
return { sortFields, toggleSortField, getDirection, getIsActive }; | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment