Validate node and credential icon files exist, are SVG format, and light/dark icons are different (@n8n/community-nodes/icon-validation)

💼 This rule is enabled in the following configs: ✅ recommended, ☑️ recommendedWithoutN8nCloudSupport.

💡 This rule is manually fixable by editor suggestions.

Rule Details

Validates that your node and credential icon files exist, are in SVG format, and use the correct file: protocol. Icons must be different files when providing light/dark theme variants.

Examples

❌ Incorrect

  description: INodeTypeDescription = {
    displayName: 'My Node',
    name: 'myNode',
    icon: 'icons/my-icon.png', // Missing 'file:' prefix, wrong format
    // ...
  };
}

  description: INodeTypeDescription = {
    displayName: 'My Node',
    name: 'myNode',
    icon: {
      light: 'file:icons/my-icon.svg',
      dark: 'file:icons/my-icon.svg', // Same file for both themes
    },
    // ...
  };
}

✅ Correct

  description: INodeTypeDescription = {
    displayName: 'My Node',
    name: 'myNode',
    icon: 'file:icons/my-service.svg', // Correct format
    // ...
  };
}

  description: INodeTypeDescription = {
    displayName: 'My Node',
    name: 'myNode',
    icon: {
      light: 'file:icons/my-service-light.svg',
      dark: 'file:icons/my-service-dark.svg', // Different files
    },
    // ...
  };
}