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generateNewsIndexPage.js « dependencies « content « src - hsmusic-wiki - HSMusic - static wiki software cataloguing collaborative creation
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import {sortChronologically} from '#sort';
import {stitchArrays} from '#sugar';

export default {
  contentDependencies: [
    'generatePageLayout',
    'linkNewsEntry',
    'transformContent',
  ],

  extraDependencies: ['html', 'language', 'wikiData'],

  sprawl({newsData}) {
    return {newsData};
  },

  query({newsData}) {
    return {
      entries:
        sortChronologically(
          newsData.slice(),
          {latestFirst: true}),
    };
  },

  relations(relation, query) {
    const relations = {};

    relations.layout =
      relation('generatePageLayout');

    relations.entryLinks =
      query.entries
        .map(entry => relation('linkNewsEntry', entry));

    relations.viewRestLinks =
      query.entries
        .map(entry =>
          (entry.content === entry.contentShort
            ? null
            : relation('linkNewsEntry', entry)));

    relations.entryContents =
      query.entries
        .map(entry => relation('transformContent', entry.contentShort));

    return relations;
  },

  data(query) {
    return {
      entryDates:
        query.entries.map(entry => entry.date),

      entryDirectories:
        query.entries.map(entry => entry.directory),
    };
  },

  generate(data, relations, {html, language}) {
    return relations.layout.slots({
      title: language.$('newsIndex.title'),
      headingMode: 'sticky',

      mainClasses: ['long-content', 'news-index'],
      mainContent:
        stitchArrays({
          entryLink: relations.entryLinks,
          viewRestLink: relations.viewRestLinks,
          content: relations.entryContents,
          date: data.entryDates,
          directory: data.entryDirectories,
        }).map(({entryLink, viewRestLink, content, date, directory}) =>
            html.tag('article', {id: directory}, [
              html.tag('h2', [
                html.tag('time', language.formatDate(date)),
                entryLink,
              ]),

              content,

              viewRestLink
                ?.slot('content', language.$('newsIndex.entry.viewRest')),
            ])),

      navLinkStyle: 'hierarchical',
      navLinks: [
        {auto: 'home'},
        {auto: 'current'},
      ],
    });
  },
};