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path: root/server/sonar-web/src/main/js/apps/projects/components/project-card/ProjectCardLanguages.tsx
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/*
 * SonarQube
 * Copyright (C) 2009-2021 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
import { sortBy } from 'lodash';
import * as React from 'react';
import { translate } from '../../../../sonar-ui-common/helpers/l10n';

interface Props {
  className?: string;
  distribution?: string;
  languages: T.Languages;
}

export default function ProjectCardLanguages({ className, distribution, languages }: Props) {
  if (distribution === undefined) {
    return null;
  }

  const parsedLanguages = distribution.split(';').map(item => item.split('='));
  const finalLanguages = sortBy(parsedLanguages, l => -1 * Number(l[1])).map(l =>
    getLanguageName(languages, l[0])
  );

  const languagesText = finalLanguages.join(', ');

  return (
    <span className={className} title={languagesText}>
      {languagesText}
    </span>
  );
}

function getLanguageName(languages: T.Languages, key: string): string {
  if (key === '<null>') {
    return translate('unknown');
  }
  const language = languages[key];
  return language != null ? language.name : key;
}