gdq-archive/frontend/components/Filter.tsx

/**
 * Copyright (C) 2019-2021 Carl Kittelberger <icedream@icedream.pw>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import Fuse from 'fuse.js';
import React from 'react';

export default function Filter<T, U extends React.ReactNode>({
  items,
  query = '',
  isCaseSensitive,
  keys,
  output,
}: {
  items: Array<T>,
  query: string,
  isCaseSensitive?: boolean,
  keys: Array<string>,
  output: (filteredItems: Array<Fuse.FuseResult<T>>) => U,
}) {
  if (query.length > 0) {
    const fuse = new Fuse(items, {
      isCaseSensitive,
      keys,
    });
    const filteredItems = fuse.search<T>(query);
    return (
      <>{output(filteredItems)}</>
    );
  }
  return (
    <>
      {output(items.map((item, refIndex) => ({
        item,
        refIndex,
      })))}
    </>
  );
}

Filter.defaultProps = {
  isCaseSensitive: false,
};