René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"CLI accepts flag-like values for --single-user-name without warning","articleBody":"## Description\n\nWhen running JSS with `--single-user-name` followed directly by another flag (like `--idp`), the CLI silently accepts the flag as the username value instead of warning or erroring.\n\n## Steps to Reproduce\n\n```bash\njss start --single-user-name --idp --idp-issuer https://example.com/\n```\n\n## Expected Behavior\n\nThe CLI should either:\n1. Error with a message like: `Error: --single-user-name requires a value`\n2. Or warn: `Warning: username \"--idp\" looks like a flag. Did you forget to provide a value?`\n\n## Actual Behavior\n\n- JSS silently uses `--idp` as the username\n- The `--idp` flag is not recognized as enabling the identity provider\n- The OIDC endpoints (`/.well-known/openid-configuration`) return 404\n- Users see confusing errors like: `Dynamic Registration could not be completed because the issuer has no registration endpoint`\n\nThe startup message shows:\n```\nSingle-user: --idp (registration disabled)\n```\n\n...indicating `--idp` was interpreted as the username, not as a flag.\n\n## Suggested Fix\n\nAdd validation in the CLI argument parsing:\n\n```javascript\nif (username \u0026\u0026 username.startsWith('--')) {\n  console.error(`Error: --single-user-name value \"${username}\" looks like a flag.`);\n  console.error('Did you forget to provide a username? Example: --single-user-name melvin');\n  process.exit(1);\n}\n```\n\n## Environment\n\n- JSS version: 0.0.79\n- Node.js: v22.21.0","author":{"url":"https://github.com/melvincarvalho","@type":"Person","name":"melvincarvalho"},"datePublished":"2026-01-20T11:13:14.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/103/JavaScriptSolidServer/issues/103"}