On successful execution, the output should look like this:
txt
Name: The OctocatUsername: octocatProfile: https://github.com/octocatPublic repos: 8Followers: 20000
The exact follower count can be different when you run the command.
If the GitHub user does not exist, print a friendly error:
txt
error: GitHub user not found: missing-user-name-example
If the user does not pass a username, print this error:
txt
error: please provide a GitHub username
Errors should go to stderr, and the command should set a non-zero exit code.
The goal of this project is to practice reading command arguments, calling an API from Node.js, handling failed responses, and printing useful data in the terminal.
You will need these Node.js APIs:
process.argv to read the username from the terminal.
fetch to call the GitHub API.
encodeURIComponent() to safely place the username in the URL.
Solution
Solution:
js
const username = process.argv[2];function printError(message) { console.error(`error: ${message}`); process.exitCode = 1;}function printProfile(profile) { console.log(`Name: ${profile.name || 'not set'}`); console.log(`Username: ${profile.login}`); console.log(`Profile: ${profile.html_url}`); console.log(`Public repos: ${profile.public_repos}`); console.log(`Followers: ${profile.followers}`);}async function fetchGitHubProfile(username) { const url = `https://api.github.com/users/${encodeURIComponent(username)}`; let response; try { response = await fetch(url, { headers: { Accept: 'application/vnd.github+json', 'User-Agent': 'github-profile-cli', }, }); } catch { printError('could not reach GitHub'); return null; } const data = await response.json().catch(() => null); if (response.status === 404) { printError(`GitHub user not found: ${username}`); return null; } if (!response.ok) { printError(data?.message || `GitHub request failed with status ${response.status}`); return null; } return data;}async function main() { if (!username) { printError('please provide a GitHub username'); return; } const profile = await fetchGitHubProfile(username); if (!profile) { return; } printProfile(profile);}await main();
