mirror of
https://gitlab.com/openstapps/openstapps.git
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27 lines
945 B
TypeScript
27 lines
945 B
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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* Filter out duplicates from an array.
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*/
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export function uniqBy<T>(array: T[], transform: (item: T) => string | number): T[] {
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return Object.values(
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array.reduce((accumulator, current) => {
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accumulator[transform(current)] = current;
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return accumulator;
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}, {} as Record<string | number, T>),
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);
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}
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