mirror of
https://gitlab.com/openstapps/openstapps.git
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37 lines
1.1 KiB
TypeScript
37 lines
1.1 KiB
TypeScript
/*
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* Copyright (C) 2022 StApps
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/**
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* sort function for two strings
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*/
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export function stringSort(a = '', b = ''): number {
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if (a < b) return -1;
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if (a > b) return 1;
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return 0;
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}
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/**
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* sort function for two strings that allows for a custom transform
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*/
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export function stringSortBy<T>(map: (item: T) => string | undefined): (a: T, b: T) => number {
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return (a: T, b: T): number => {
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const aValue = map(a) || '';
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const bValue = map(b) || '';
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if (aValue < bValue) return -1;
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if (aValue > bValue) return 1;
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return 0;
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};
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}
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