Theaninova/openstapps
1
0
Fork 0
mirror of https://gitlab.com/openstapps/openstapps.git synced 2026-01-21 17:12:43 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

feat: migrate to esm

Browse Source
This commit is contained in:
Thea Schöbl
2023-03-16 01:58:13 +01:00
parent fd740b3091
commit 4df19e8c20
512 changed files with 3016 additions and 2222 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
packages/collection-utils/src/group-by.ts
View File

@@ -16,9 +16,12 @@
/**
* Group an array by a function
*/
export function groupBy<T>(collection: T[], group: (item: T) => string | undefined): Record<string, T[]> {
export function groupBy<T>(
collection: T[],
group: (item: T) => string | undefined
): Record<string, T[]> {
return collection.reduce((accumulator: Record<string, T[]>, item) => {
const key = group(item) ?? '';
const key = group(item) ?? "";
accumulator[key] = accumulator[key] ?? [];
accumulator[key].push(item);
return accumulator;
@@ -28,9 +31,12 @@ export function groupBy<T>(collection: T[], group: (item: T) => string | undefin
/**
* Group an array by a function (returns a Map, whose keys keep order info of items entry)
*/
export function groupByStable<T>(collection: T[], group: (item: T) => string | undefined): Map<string, T[]> {
export function groupByStable<T>(
collection: T[],
group: (item: T) => string | undefined
): Map<string, T[]> {
return collection.reduce((accumulator: Map<string, T[]>, item) => {
const key = group(item) ?? '';
const key = group(item) ?? "";
accumulator.set(key, accumulator.get(key) ?? []);
accumulator.get(key)?.push(item);
return accumulator;
@@ -40,6 +46,9 @@ export function groupByStable<T>(collection: T[], group: (item: T) => string | u
/**
*
*/
export function groupByProperty<T extends object>(collection: T[], property: keyof T): Record<string, T[]> {
return groupBy(collection, item => item[property] as unknown as string);
export function groupByProperty<T extends object>(
collection: T[],
property: keyof T
): Record<string, T[]> {
return groupBy(collection, (item) => item[property] as unknown as string);
}