46 lines
1.3 KiB
TypeScript
46 lines
1.3 KiB
TypeScript
import {Priority} from './backend.service';
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/**
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* Sort an array in place by a number associated with that item.
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* @param items The items to sort.
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* @param key Returns the number associated with an item.
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*/
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export function sortByNumberAscending<T>(items: T[], key: (T) => number) {
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return items.sort((a, b) => key(a) - key(b));
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}
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/**
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* Sort an array in place by a string associated with that item.
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* Strings will be sorted in alphabetic order.
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* @param items The items to sort.
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* @param key Returns the string associated with an item.
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*/
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export function sortByStringAscending<T>(items: T[], key: (T) => string) {
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return items.sort((a, b) => key(a).localeCompare(key(b)));
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}
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/**
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* Sort an array in place by a date associated with that item.
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* Dates will be sorted from old to new.
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* @param items The items to sort.
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* @param key Returns the date associated with an item.
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*/
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export function sortByDateAscending<T>(items: T[], key: (T) => Date) {
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return items.sort((a, b) => (key(b) as any) - (key(a) as any));
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}
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/**
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* Converts a priority enum member to a number.
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* @returns high -> 2, medium -> 1, low -> 0
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*/
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export function getNumberForPriority(priority: Priority): number {
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switch (priority) {
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case Priority.High:
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return 2;
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case Priority.Medium:
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return 1;
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case Priority.Low:
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return 0;
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}
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}
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