Get all leetcode problems

leetcode.js

const axios = require('axios');

async function main() {
    const url = 'https://leetcode.com/api/problems/all/';
    const { data } = await axios({ method: 'GET', url });
    const getDifficulty = (level) => {
        switch(level) {
            case 1: return 'easy';
            case 2: return 'medium';
            case 3: return 'hard';
            default: return 'unknown';
        }
    };
    const result = data.stat_status_pairs.sort((a, b) => a.difficulty.level - b.difficulty.level);
    const questions = result.reduce((acc, item) => {
        const difficultyLevel = getDifficulty(item.difficulty.level);
        acc[difficultyLevel] = acc[difficultyLevel] || { problems: [] };
        acc[difficultyLevel].problems.push({
            url: `https://leetcode.com/problems/${item.stat.question__title_slug}`,
            title: item.stat.question__title,
            id: item.stat.frontend_question_id,
            difficulty: difficultyLevel,
        });
        return acc;
    }, {});
    Object.keys(questions).forEach(level => {
        questions[level].count = questions[level].problems.length;
    });
    console.log(JSON.stringify(questions, null, 2));
}

main().catch(console.log);