feat(route): add github issues/pull comments (#8128)

docs/en/programming.md

@@ -113,6 +113,10 @@ For instance, the `/github/topics/framework/l=php&o=desc&s=stars` route will gen
 
 <RouteEn author="zoenglinghou" example="/github/contributors/DIYgod/RSSHub" path="/github/contributors/:user/:repo/:order?/:anon?" :paramsDesc="['User name','Repo name','Sort order by commit numbers, desc and asc (descending by default)','Show anonymous users. Defaults to no, use any values for yes.']" radar="1" rssbud="1"/>
 
+### Issues / Pull Requests comments
+
+<RouteEn author="TonyRL" example="/github/comments/DIYgod/RSSHub/issues/8116" path="/github/comments/:user/:repo/:type/:number" :paramsDesc="['User / Org name', 'Repo name', 'Type, `issues` or `pull`', 'Number']"/>
+
 ## GitLab
 
 ### Explore

docs/programming.md

@@ -191,6 +191,10 @@ GitHub 官方也提供了一些 RSS:
 
 <Route author="zoenglinghou" example="/github/contributors/DIYgod/RSSHub" path="/github/contributors/:user/:repo/:order?/:anon?" :paramsDesc="['用户名', '仓库名', 'Commit 数量排序顺序，desc和asc（默认desc降序）', '是否包括匿名用户，默认不包含，任意值包含匿名用户']" radar="1" rssbud="1"/>
 
+### Issues / Pull Requests 评论
+
+<Route author="TonyRL" example="/github/comments/DIYgod/RSSHub/issues/8116" path="/github/comments/:user/:repo/:type/:number" :paramsDesc="['用户名', '仓库', '类型，`issues`或`pull`', '编号']"/>
+
 ## GitLab
 
 ### Explore

lib/v2/github/comments.js

@@ -0,0 +1,64 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+const { parseDate } = require('@/utils/parse-date');
+const { art } = require('@/utils/render');
+const path = require('path');
+
+const typeDict = {
+    issues: {
+        typeRootUrl: '/issues',
+    },
+    pull: {
+        typeRootUrl: '/pulls',
+    },
+};
+
+module.exports = async (ctx) => {
+    const user = ctx.params.user;
+    const repo = ctx.params.repo;
+    const type = ctx.params.type ?? 'issues';
+    const number = ctx.params.number ?? '1';
+
+    const rootUrl = 'https://github.com';
+
+    const response = await got({
+        method: 'get',
+        url: `${rootUrl}/${user}/${repo}/${type}/${number}`,
+        header: {
+            Referer: `${rootUrl}/${user}/${repo}${typeDict[type].typeRootUrl}`,
+        },
+    });
+
+    const $ = cheerio.load(response.data);
+
+    const list = $('div.timeline-comment-group.js-minimizable-comment-group.js-targetable-element.TimelineItem-body.my-0')
+        .map((_, item) => {
+            item = $(item);
+            return {
+                title: item.find('div.edit-comment-hide').text().trim(),
+                description: art(path.join(__dirname, 'templates/comments-description.art'), {
+                    desc: item.find('div.edit-comment-hide').html(),
+                }),
+                author: item.find('strong.css-truncate').text().trim(),
+                pubDate: parseDate(item.find('relative-time.no-wrap').attr('datetime')),
+                link: `${rootUrl}/${user}/${repo}/${type}/${number}` + item.find('a.Link--secondary.js-timestamp').attr('href'),
+            };
+        })
+        .get();
+
+    const items = await Promise.all(list && list.map((item) => ctx.cache.tryGet(item.link, () => item)));
+
+    ctx.state.data = {
+        title: $('span.author.flex-self-stretch').text().trim() + '/' + $('strong.mr-2.flex-self-stretch').text().trim() + `: ${type} #${number}`,
+        description: $('span.author.flex-self-stretch').text().trim() + '/' + $('strong.mr-2.flex-self-stretch').text().trim() + ': ' + $('h1.gh-header-title.mb-2.lh-condensed.f1.mr-0.flex-auto.break-word').text().trim(),
+        link: `${rootUrl}/${user}/${repo}/${type}/${number}`,
+        item: items,
+    };
+
+    ctx.state.json = {
+        title: $('span.author.flex-self-stretch').text().trim() + '/' + $('strong.mr-2.flex-self-stretch').text().trim() + `: ${type} #${number}`,
+        description: $('span.author.flex-self-stretch').text().trim() + '/' + $('strong.mr-2.flex-self-stretch').text().trim() + ': ' + $('h1.gh-header-title.mb-2.lh-condensed.f1.mr-0.flex-auto.break-word').text().trim(),
+        link: `${rootUrl}/${user}/${repo}/${type}/${number}`,
+        item: items,
+    };
+};

lib/v2/github/maintainer.js

@@ -0,0 +1,3 @@
+module.exports = {
+    '/comments/:user/:repo/:type/:number': ['TonyRL'],
+};

lib/v2/github/radar.js

@@ -0,0 +1,13 @@
+module.exports = {
+    'github.com': {
+        _name: 'GitHub',
+        '.': [
+            {
+                title: 'Issues / Pull Requests 评论',
+                docs: 'https://docs.rsshub.app/programming.html#github',
+                source: ['/:user/:repo/:type/:number'],
+                target: '/github/comments/:user/:repo/:type/:number',
+            },
+        ],
+    },
+};

lib/v2/github/router.js

@@ -0,0 +1,3 @@
+module.exports = function (router) {
+    router.get('/comments/:user/:repo/:type/:number', require('./comments'));
+};

lib/v2/github/templates/comments-description.art

@@ -0,0 +1 @@
+{{@ desc }}