npm-request

const npmRequest = require('npm-request'); const fs = require('fs'); const path = require('path'); // Emulate .npmrc content for demonstration. // In a real scenario, this would be read from your actual ~/.npmrc or project-level .npmrc. // For a private registry, ensure your .npmrc has an auth token, e.g., // `//registry.example.com/:_authToken="YOUR_NPM_TOKEN"` // Or for basic auth: `//registry.example.com/:_auth=BASE64_USERNAME_PASSWORD` const registryUrl = process.env.NPM_REGISTRY_URL || 'https://registry.npmjs.org/'; const packageName = 'some-private-package'; // Replace with a real package you have access to const options = { url: `${registryUrl}${packageName}`, json: true, // Expect JSON response // npm-request automatically reads .npmrc for auth, no manual headers needed for basic cases // However, you might need to specify strictSSL for private registries if not globally configured // strictSSL: false, // Use with caution in development for self-signed certs }; console.log(`Attempting to fetch ${packageName} from ${registryUrl} with npmrc auth...\n`); npmRequest(options, (error, response, body) => { if (error) { console.error('Request failed:', error.message); console.error('Stack:', error.stack); return; } if (response.statusCode === 200) { console.log(`Successfully fetched metadata for ${packageName}.`); console.log('Partial response body (first 200 chars):', JSON.stringify(body, null, 2).substring(0, 200), '...'); } else if (response.statusCode === 401 || response.statusCode === 403) { console.error(`Authentication failed for ${packageName}. Status: ${response.statusCode}`); console.error('Please ensure your .npmrc has valid authentication for', registryUrl); console.error('Response headers:', response.headers); } else if (response.statusCode === 404) { console.error(`Package '${packageName}' not found on ${registryUrl}. Status: ${response.statusCode}`); } else { console.error(`Unexpected status code: ${response.statusCode}`); console.error('Response body:', body); } }); // Example of how npm login typically updates .npmrc for a private registry: // `npm config set registry https://my-private-registry.com/` // `npm login --registry https://my-private-registry.com/` // This will typically add an entry like `//my-private-registry.com/:_authToken="your-token"`