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node_modules/hexo-generator-archive/lib/generator.js

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+'use strict';
+
+const pagination = require('hexo-pagination');
+
+const fmtNum = num => num.toString().padStart(2, '0');
+
+module.exports = function(locals) {
+  const { config } = this;
+
+  let archiveDir = config.archive_dir;
+  const paginationDir = config.pagination_dir || 'page';
+  const allPosts = locals.posts.sort(config.archive_generator.order_by || '-date');
+  const perPage = config.archive_generator.per_page;
+  const result = [];
+
+  if (!allPosts.length) return;
+
+  if (archiveDir[archiveDir.length - 1] !== '/') archiveDir += '/';
+
+  function generate(path, posts, options = {}) {
+    options.archive = true;
+
+    result.push(...pagination(path, posts, {
+      perPage,
+      layout: ['archive', 'index'],
+      format: paginationDir + '/%d/',
+      data: options
+    }));
+  }
+
+  generate(archiveDir, allPosts);
+
+  if (!config.archive_generator.yearly) return result;
+
+  const posts = {};
+
+  // Organize posts by date
+  allPosts.forEach(post => {
+    const date = post.date;
+    const year = date.year();
+    const month = date.month() + 1; // month is started from 0
+
+    if (!Object.prototype.hasOwnProperty.call(posts, year)) {
+      // 13 arrays. The first array is for posts in this year
+      // and the other arrays is for posts in this month
+      posts[year] = [
+        [],
+        [],
+        [],
+        [],
+        [],
+        [],
+        [],
+        [],
+        [],
+        [],
+        [],
+        [],
+        []
+      ];
+    }
+
+    posts[year][0].push(post);
+    posts[year][month].push(post);
+    // Daily
+    if (config.archive_generator.daily) {
+      const day = date.date();
+      if (!Object.prototype.hasOwnProperty.call(posts[year][month], 'day')) {
+        posts[year][month].day = {};
+      }
+
+      (posts[year][month].day[day] || (posts[year][month].day[day] = [])).push(post);
+    }
+  });
+
+  const { Query } = this.model('Post');
+  const years = Object.keys(posts);
+  let year, data, month, monthData, url;
+
+  // Yearly
+  for (let i = 0, len = years.length; i < len; i++) {
+    year = +years[i];
+    data = posts[year];
+    url = archiveDir + year + '/';
+    if (!data[0].length) continue;
+
+    generate(url, new Query(data[0]), { year });
+
+    if (!config.archive_generator.monthly && !config.archive_generator.daily) continue;
+
+    // Monthly
+    for (month = 1; month <= 12; month++) {
+      monthData = data[month];
+      if (!monthData.length) continue;
+      if (config.archive_generator.monthly) {
+        generate(url + fmtNum(month) + '/', new Query(monthData), {
+          year,
+          month
+        });
+      }
+
+      if (!config.archive_generator.daily) continue;
+
+      // Daily
+      for (let day = 1; day <= 31; day++) {
+        const dayData = monthData.day[day];
+        if (!dayData || !dayData.length) continue;
+        generate(url + fmtNum(month) + '/' + fmtNum(day) + '/', new Query(dayData), {
+          year,
+          month,
+          day
+        });
+      }
+    }
+  }
+
+  return result;
+};