refactor: timezone conversion in lib/utils/date.js (#7438)

lib/routes/blogs/diygod/animal-crossing.js

@@ -1,6 +1,6 @@
 const got = require('@/utils/got');
 const cheerio = require('cheerio');
-const date = require('@/utils/date');
+const parseDate = require('@/utils/parse-date');
 
 module.exports = async (ctx) => {
     const response = await got({
@@ -30,7 +30,7 @@ module.exports = async (ctx) => {
                         title: item.text(),
                         description,
                         link: `https://diygod.me/animal-crossing/#${item.attr('id')}`,
-                        pubDate: date(item.text().split(' ')[1]),
+                        pubDate: parseDate(item.text().split(' ')[1], 'M月D日'),
                         guid: item.text().split(' ')[0],
                     };
                 })

lib/routes/blogs/wangyin.js

@@ -1,4 +1,4 @@
-const date = require('@/utils/date');
+const parseDate = require('@/utils/parse-date');
 const got = require('@/utils/got');
 const cheerio = require('cheerio');
 
@@ -12,14 +12,14 @@ module.exports = async (ctx) => {
             const element = $(e);
             const title = element.find('a').text();
             const link = url + element.find('a').attr('href');
-            const dateraw = /(\d+)\/(\d+)\/(\d+)/.exec(link);
+            const dateraw = /\d{4}\/\d{2}\/\d{2}/.exec(link)[0];
 
             return {
                 title: title,
                 description: '',
                 link: link,
                 author: '王垠',
-                pubDate: date(`${dateraw[1]}-${dateraw[2]}-${dateraw[3]}`),
+                pubDate: parseDate(dateraw, 'YYYY/MM/DD'),
             };
         })
         .get();

lib/routes/etoland/board.js

@@ -1,7 +1,7 @@
 const got = require('@/utils/got');
 const cheerio = require('cheerio');
 const iconv = require('iconv-lite');
-const date = require('@/utils/date');
+const parseDate = require('@/utils/parse-date');
 
 module.exports = async (ctx) => {
     const { bo_table } = ctx.params;
@@ -38,7 +38,7 @@ module.exports = async (ctx) => {
                         title: title,
                         description: description,
                         link: link,
-                        pubDate: date(item.find('td.mw_basic_list_datetime').text()),
+                        pubDate: parseDate(item.find('td.mw_basic_list_datetime').text(), 'HH:mm'),
                     };
                 })
                 .get(),

lib/routes/weibo/super_index.js

@@ -1,6 +1,6 @@
 const got = require('@/utils/got');
 const weiboUtils = require('./utils');
-const date = require('@/utils/date');
+const timezone = require('@/utils/timezone');
 const queryString = require('query-string');
 
 module.exports = async (ctx) => {
@@ -37,7 +37,7 @@ module.exports = async (ctx) => {
                     description: desc,
                     author: mblog.user.screen_name,
                     link: `https://weibo.com/${mblog.user.id}/${mblog.bid}`,
-                    pubDate: date(mblog.created_at, 8),
+                    pubDate: timezone(mblog.created_at, +8),
                 });
             }
         }

lib/utils/parse-date.js

@@ -0,0 +1,4 @@
+const dayjs = require("dayjs");
+dayjs.extend(require('dayjs/plugin/customParseFormat'));
+
+module.exports = (date, ...options) => dayjs(date, ...options).toDate();

lib/utils/timezone.js

@@ -0,0 +1,14 @@
+const assert = require("assert").strict;
+
+const millisInAnHour = 60 * 60 * 1000;
+const serverTimezone = -new Date().getTimezoneOffset() / 60;
+
+module.exports = (date, timezone = serverTimezone) => {
+    if (typeof (date) === "string" || date instanceof String) {
+        date = new Date(date);
+    }
+
+    assert(date instanceof Date);
+
+    return new Date(date.getTime() - millisInAnHour * (timezone - serverTimezone));
+};