jackwener/OpenCLI · error · ArgumentError

Invalid LinkedIn Learning course URL: "${s}"

Error message

Invalid LinkedIn Learning course URL: "${s}"

What it means

Thrown by parseSlug when the input is a valid http(s) URL on linkedin.com/www.linkedin.com but its pathname does not start with /learning/<segment>. The library uses that path segment as the course slug, so a LinkedIn URL without a /learning/ path cannot be resolved to a course.

Source

Thrown at clis/linkedin-learning/course.js:24

import { DOMAIN, fetchLinkedInLearningApi, normalizeWhitespace } from './shared.js';

function parseSlug(value) {
    const s = normalizeWhitespace(value);
    if (!s) throw new ArgumentError('<slug> is required');
    let slug = s;
    if (/^https?:\/\//i.test(s)) {
        let parsed;
        try {
            parsed = new URL(s);
        } catch {
            throw new ArgumentError(`Invalid LinkedIn Learning URL: "${s}"`);
        }
        const host = parsed.hostname.toLowerCase();
        if (host !== 'linkedin.com' && host !== 'www.linkedin.com') {
            throw new ArgumentError(`Invalid LinkedIn Learning host: "${parsed.hostname}"`);
        }
        const m = parsed.pathname.match(/^\/learning\/([^/?#]+)/);
        if (!m) throw new ArgumentError(`Invalid LinkedIn Learning course URL: "${s}"`);
        slug = m[1];
    } else {
        const m = s.match(/^\/?learning\/([^/?#]+)/);
        slug = m ? m[1] : s;
    }
    if (!/^[a-zA-Z0-9-_]+$/.test(slug)) {
        throw new ArgumentError(`Invalid LinkedIn Learning slug: "${slug}"`);
    }
    return slug;
}

function parseCourse(el, slug) {
    const title = normalizeWhitespace(el?.title);
    if (!title) return null;
    const description = typeof el?.description === 'string'
        ? el.description
        : (el?.description?.text || '');
    const duration = el?.duration?.unit === 'SECOND' ? String(el.duration.duration ?? '') : '';

View on GitHub (pinned to 49907e53dc)

Solutions

1. Pass the course slug directly instead of a URL.
2. Use a URL whose path is /learning/<slug>, e.g. https://www.linkedin.com/learning/agentic-ai-basics/.
3. Extract the slug from the URL you have and pass '/learning/<slug>' or just '<slug>'.

Example fix

// before
opencli linkedin-learning course 'https://www.linkedin.com/posts/ai-course-123'
// after
opencli linkedin-learning course 'https://www.linkedin.com/learning/agentic-ai-build-your-first-agentic-ai-system/'

function extractSlug(v) {
  if (/^https?:\/\//i.test(v)) {
    const u = new URL(v);
    const m = u.pathname.match(/^\/learning\/([^/?#]+)/);
    return m ? m[1] : null;
  }
  const m = v.match(/^\/?learning\/([^/?#]+)/);
  return m ? m[1] : v;
}
// if (extractSlug(arg) === null) convert URL before calling;

function isLearningPathUrl(v) {
  if (!/^https?:\/\//i.test(v)) return false;
  try { return /^\/learning\/[^/?#]+/.test(new URL(v).pathname); }
  catch { return false; }
}

try {
  run(['linkedin-learning', 'course', arg]);
} catch (e) {
  if (String(e.message).includes('Invalid LinkedIn Learning course URL')) {
    // fall back to slug-only input or a /learning/<slug> URL
  } else throw e;
}

When it happens

Trigger: Calling the linkedin-learning course command with an on-domain URL such as 'https://www.linkedin.com/posts/some-post' or 'https://www.linkedin.com/learningPaths/x' (regex only matches /learning/<segment>), or a bare 'https://www.linkedin.com/'.

Common situations: Pasting a LinkedIn post, profile, or learning-path URL instead of a course URL; copying the site homepage; a domain change in LinkedIn's URL scheme (e.g. /learn/ vs /learning/) in newer product areas.

Related errors

• Invalid LinkedIn Learning host: "${parsed.hostname}"
• 1688 item expects an offer URL or offer ID
• Invalid 1688 store URL
• Invalid 1688 URL
• Expected an exact BVID or bilibili.com video URL, for exampl

AI-assisted analysis of jackwener/OpenCLI@49907e53dc (2026-08-29). Data as JSON: /api/errors/ea489d50dc51c003. Report an issue: GitHub.