fix: leetcode articles (#6319)

lib/routes/leetcode/articles.js

@@ -1,11 +1,12 @@
 const got = require('@/utils/got');
 const cheerio = require('cheerio');
 const url = require('url');
+const showdown = require('showdown');
 
 const host = 'https://leetcode.com';
 
 module.exports = async (ctx) => {
-    const link = 'https://leetcode.com/articles/';
+    const link = url.resolve(host, '/articles');
     const response = await got.get(link);
     const $ = cheerio.load(response.data);
 
@@ -26,16 +27,33 @@ module.exports = async (ctx) => {
     const out = await Promise.all(
         list.map(async (info) => {
             const itemUrl = url.resolve(host, info.link);
+            const titelSlug = info.link.split('/')[2];
 
             const cache = await ctx.cache.get(itemUrl);
             if (cache) {
                 return Promise.resolve(JSON.parse(cache));
             }
 
-            const response = await got.get(itemUrl);
-            const $ = cheerio.load(response.data);
+            const questionData = await got
+                .post(url.resolve(host, '/graphql'), {
+                    json: { operationName: 'questionData', variables: { titleSlug: titelSlug }, query: 'query questionData($titleSlug: String!) {\n  question(titleSlug: $titleSlug) {\n    content\n  }\n}\n' },
+                })
+                .json();
 
-            const description = $('#question-preview').html().trim() + $('.article-body').html().trim();
+            const questionNote = await got
+                .post(url.resolve(host, '/graphql'), {
+                    json: {
+                        operationName: 'QuestionNote',
+                        variables: { titleSlug: titelSlug },
+                        query: 'query QuestionNote($titleSlug: String!) {\n  question(titleSlug: $titleSlug) {\n    solution {\n      content\n    }\n  }\n}\n',
+                    },
+                })
+                .json();
+
+            const converter = new showdown.Converter();
+            const solution = converter.makeHtml(questionNote.data.question.solution.content);
+
+            const description = questionData.data.question.content.trim() + solution;
 
             const single = {
                 title: info.title,

package.json

@@ -110,6 +110,7 @@
     "redis": "3.0.2",
     "require-all": "3.0.0",
     "rss-parser": "3.9.0",
+    "showdown": "1.9.1",
     "socks-proxy-agent": "5.0.0",
     "string-similarity": "^4.0.3",
     "tiny-async-pool": "1.2.0",

yarn.lock

@@ -3530,6 +3530,15 @@ cliui@^4.0.0:
     strip-ansi "^4.0.0"
     wrap-ansi "^2.0.0"
 
+cliui@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-5.0.0.tgz#deefcfdb2e800784aa34f46fa08e06851c7bbbc5"
+  integrity sha512-PYeGSEmmHM6zvoef2w8TPzlrnNpXIjTipYK780YswmIP9vjxmd6Y2a3CB2Ks6/AU8NHjZugXvo8w3oWM2qnwXA==
+  dependencies:
+    string-width "^3.1.0"
+    strip-ansi "^5.2.0"
+    wrap-ansi "^5.1.0"
+
 cliui@^6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/cliui/-/cliui-6.0.0.tgz#511d702c0c4e41ca156d7d0e96021f23e13225b1"
@@ -11304,6 +11313,13 @@ shellwords@^0.1.1:
   resolved "https://registry.yarnpkg.com/shellwords/-/shellwords-0.1.1.tgz#d6b9181c1a48d397324c84871efbcfc73fc0654b"
   integrity sha512-vFwSUfQvqybiICwZY5+DAWIPLKsWO31Q91JSKl3UYv+K5c2QRPzn0qzec6QPu1Qc9eHYItiP3NdJqNVqetYAww==
 
+showdown@1.9.1:
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/showdown/-/showdown-1.9.1.tgz#134e148e75cd4623e09c21b0511977d79b5ad0ef"
+  integrity sha512-9cGuS382HcvExtf5AHk7Cb4pAeQQ+h0eTr33V1mu+crYWV4KvWAw6el92bDrqGEk5d46Ai/fhbEUwqJ/mTCNEA==
+  dependencies:
+    yargs "^14.2"
+
 signal-exit@^3.0.0, signal-exit@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
@@ -11752,7 +11768,7 @@ string-width@^1.0.1:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^4.0.0"
 
-string-width@^3.0.0:
+string-width@^3.0.0, string-width@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-3.1.0.tgz#22767be21b62af1081574306f69ac51b62203961"
   integrity sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==
@@ -13588,6 +13604,14 @@ yargs-parser@^13.0.0:
     camelcase "^5.0.0"
     decamelize "^1.2.0"
 
+yargs-parser@^15.0.1:
+  version "15.0.1"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-15.0.1.tgz#54786af40b820dcb2fb8025b11b4d659d76323b3"
+  integrity sha512-0OAMV2mAZQrs3FkNpDQcBk1x5HXb8X4twADss4S0Iuk+2dGnLOE/fRHrsYm542GduMveyA77OF4wrNJuanRCWw==
+  dependencies:
+    camelcase "^5.0.0"
+    decamelize "^1.2.0"
+
 yargs-parser@^18.1.2:
   version "18.1.3"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-18.1.3.tgz#be68c4975c6b2abf469236b0c870362fab09a7b0"
@@ -13614,6 +13638,23 @@ yargs@12.0.5:
     y18n "^3.2.1 || ^4.0.0"
     yargs-parser "^11.1.1"
 
+yargs@^14.2:
+  version "14.2.3"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-14.2.3.tgz#1a1c3edced1afb2a2fea33604bc6d1d8d688a414"
+  integrity sha512-ZbotRWhF+lkjijC/VhmOT9wSgyBQ7+zr13+YLkhfsSiTriYsMzkTUFP18pFhWwBeMa5gUc1MzbhrO6/VB7c9Xg==
+  dependencies:
+    cliui "^5.0.0"
+    decamelize "^1.2.0"
+    find-up "^3.0.0"
+    get-caller-file "^2.0.1"
+    require-directory "^2.1.1"
+    require-main-filename "^2.0.0"
+    set-blocking "^2.0.0"
+    string-width "^3.0.0"
+    which-module "^2.0.0"
+    y18n "^4.0.0"
+    yargs-parser "^15.0.1"
+
 yargs@^15.4.1:
   version "15.4.1"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-15.4.1.tgz#0d87a16de01aee9d8bec2bfbf74f67851730f4f8"