Question Fun Level - 10

deps-async-await.js

const fetch = require('node-fetch');

async function getDependencies(packageName) {
    const url = `https://registry.npmjs.org/${packageName}/latest`;
    try {
        const response = await fetch(url);
        const body = await response.json();
        return Object.keys(body.dependencies);
    } catch (err) {
        return [];
    }
}

async function getAllDependencies(packageName) {
    const deps = await getDependencies(packageName);
    const allDeps = await Promise.all(deps.map(async dep => {
        return await getAllDependencies(dep);
    }));

    return [...new Set(deps.concat(...allDeps))];
}

getAllDependencies('forever').then(values => {
    console.log(values.length);
});