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Create daily workflow for updateSiteData.js and verifySiteData.js 
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‎.github/workflows/rename-and-update.yml‎

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name: Rename and Update
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on:
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#push:
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workflow_dispatch:
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schedule:
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- cron: '0 0 * * *'
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jobs:
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Build:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v3
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with:
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ref: ${{ github.head_ref }}
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fetch-depth: 1
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- name: Use Node.js (dependency)
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uses: actions/setup-node@v3
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with:
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node-version: 16
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- name: Update Site Data
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run: node ./.github/workflows/updateSiteData.js;
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- name: Verify New Site Data
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run: node ./.github/workflows/verifySiteData.js;
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- name: Check for modified files
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id: git-check
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run: echo modified=$(if git diff-index --quiet HEAD --; then echo "false"; else echo "true"; fi) >> $GITHUB_OUTPUT
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- name: Push
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if: steps.git-check.outputs.modified == 'true'
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run: |
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git config --global user.email "[email protected]"
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git config --global user.name "Bot-A0"
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git add .
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git commit -am "🌐 Update Site Data (🛠️ from Github Actions)" || true
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git push || git pull --rebase && git push
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‎.github/workflows/updateSiteData.js‎

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/** Script to update ./.problemSiteData.json contains code for solutions hosted on neetcode.io */
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const fs = require('fs');
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const PROBLEMS_OBJ = JSON.parse(fs.readFileSync('./.problemList.json', 'utf8'));
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const PROBLEMS_SITE_DATA = JSON.parse(fs.readFileSync('./.problemSiteData.json', 'utf8'));
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const languages = [
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{
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name: 'C',
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directory: 'c',
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extension: 'c'
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},
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{
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name: 'C++',
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directory: 'cpp',
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extension: 'cpp'
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},
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{
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name: 'C#',
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directory: 'csharp',
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extension: 'cs'
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},
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{
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name: 'Java',
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directory: 'java',
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extension: 'java'
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},
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{
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name: 'Python',
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directory: 'python',
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extension: 'py'
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},
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{
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name: 'JavaScript',
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directory: 'javascript',
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extension: 'js'
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},
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{
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name: 'TypeScript',
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directory: 'typescript',
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extension: 'ts'
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},
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{
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name: 'Go',
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directory: 'go',
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extension: 'go'
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},
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{
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name: 'Ruby',
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directory: 'ruby',
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extension: 'rb'
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},
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{
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name: 'Swift',
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directory: 'swift',
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extension: 'swift'
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},
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{
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name: 'Kotlin',
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directory: 'kotlin',
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extension: 'kt'
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},
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{
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name: 'Rust',
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directory: 'rust',
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extension: 'rs'
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},
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{
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name: 'Scala',
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directory: 'scala',
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extension: 'scala'
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},
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]
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// Rename files to match leetcode url path, and normalize problem number to four digits.
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for (const lang of languages) {
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const langDir = lang.directory;
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const langExt = lang.extension;
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// Get list of all files in the current lang directory
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const files = fs.readdirSync(langDir, { withFileTypes: true });
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console.log(`This many files in ${langDir}: ${files.length}`);
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let counter = 0;
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for (const category in PROBLEMS_OBJ) {
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for (const problem of PROBLEMS_OBJ[category]) {
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const url = problem[1];
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// Use leetcode url path to rename each problem for consistency
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let problemName = problem[1].replace('https://leetcode.com/problems/', '');
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problemName = problemName.replace('/', '').toLowerCase();
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// Use problem number to find each problem
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const problemNumber = problem[2];
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const newProblemNumber = updateProblemNumber(problem[2]);
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const foundFile = files.find(file => file.name.startsWith(`${problemNumber.toString()}-`));
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if (foundFile && foundFile.isFile()) {
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// rename file to match leetcode url path
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const oldFile = `${langDir}/${foundFile.name}`;
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const newFile = `${langDir}/${newProblemNumber}-${problemName}.${langExt}`;
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fs.renameSync(oldFile, newFile);
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counter++;
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updateSiteData(url, `${newProblemNumber}-${problemName}`, langDir);
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}
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}
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}
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console.log(`Renamed ${counter} files in ${langDir}, which had ${files.length} total files.`);
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}
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// Add leading zeros to make four digits long (24 -> 0024)
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function updateProblemNumber(problemNumberInt) {
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let problemNumber = problemNumberInt.toString();
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while (problemNumber.length < 4) {
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problemNumber = '0' + problemNumber;
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}
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return problemNumber;
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}
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function updateSiteData(problemUrl, newCodeLink, langName) {
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for (const p of PROBLEMS_SITE_DATA) {
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if (problemUrl.includes(p.link)) {
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p.code = newCodeLink;
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p[langName] = true;
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return;
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}
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}
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console.log(`Could not find ${problemUrl} in PROBLEMS_SITE_DATA.`);
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}
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fs.writeFile('./.problemSiteData.json', JSON.stringify(PROBLEMS_SITE_DATA), function (err) {
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if (err) throw err;
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console.log('Saved!');
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});
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/** Update problem numbers in .problemList.json */
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// for (const category in PROBLEMS_OBJ) {
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// for (const problem of PROBLEMS_OBJ[category]) {
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// problem[2] = updateProblemNumber(problem[2]);
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// }
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// }
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// fs.writeFile('./.problemList.json', JSON.stringify(PROBLEMS_OBJ), function (err) {
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// if (err) throw err;
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// console.log('Saved!');
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// });

‎.github/workflows/verifySiteData.js‎

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/** Script to verify code links in ./.problemSiteData.json */
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const fs = require('fs');
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const https = require('/opt/homebrew/lib/node_modules/sync-request');
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const PROBLEMS_SITE_DATA = JSON.parse(fs.readFileSync('./.problemSiteData.json', 'utf8'));
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const languageMap = {
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c: {
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name: 'C',
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directory: 'c',
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extension: 'c'
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},
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cpp: {
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name: 'C++',
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directory: 'cpp',
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extension: 'cpp'
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},
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csharp: {
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name: 'C#',
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directory: 'csharp',
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extension: 'cs'
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},
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java: {
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name: 'Java',
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directory: 'java',
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extension: 'java'
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},
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python: {
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name: 'Python',
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directory: 'python',
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extension: 'py'
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},
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javascript: {
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name: 'JavaScript',
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directory: 'javascript',
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extension: 'js'
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},
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typescript: {
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name: 'TypeScript',
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directory: 'typescript',
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extension: 'ts'
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},
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go: {
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name: 'Go',
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directory: 'go',
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extension: 'go'
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},
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ruby: {
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name: 'Ruby',
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directory: 'ruby',
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extension: 'rb'
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},
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swift: {
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name: 'Swift',
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directory: 'swift',
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extension: 'swift'
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},
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kotlin: {
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name: 'Kotlin',
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directory: 'kotlin',
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extension: 'kt'
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},
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rust: {
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name: 'Rust',
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directory: 'rust',
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extension: 'rs'
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},
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scala: {
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name: 'Scala',
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directory: 'scala',
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extension: 'scala'
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},
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};
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const GITHUB_BASE_URL = 'https://github.com/neetcode-gh/leetcode/blob/nc-refactor';
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let anyErrorCode = false;
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for (const problem of PROBLEMS_SITE_DATA) {
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for (const language in languageMap) {
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if (problem[language] !== true) continue;
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const { directory, extension } = languageMap[language];
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const codeUrl = `${GITHUB_BASE_URL}/${directory}/${problem.code}.${extension}`;
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const res = https('GET', codeUrl).statusCode;
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if (res !== 200) {
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console.error(codeUrl)
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console.error(res)
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anyErrorCode = true;
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}
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}
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}
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if (anyErrorCode) {
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process.exitCode(1)
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}

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