func OptionalStringArrayParam()

in pkg/github/server.go [150:174]

• 23 lines of code
• 7 McCabe index (conditional complexity)

func OptionalStringArrayParam(r mcp.CallToolRequest, p string) ([]string, error) {
	// Check if the parameter is present in the request
	if _, ok := r.Params.Arguments[p]; !ok {
		return []string{}, nil
	}

	switch v := r.Params.Arguments[p].(type) {
	case nil:
		return []string{}, nil
	case []string:
		return v, nil
	case []any:
		strSlice := make([]string, len(v))
		for i, v := range v {
			s, ok := v.(string)
			if !ok {
				return []string{}, fmt.Errorf("parameter %s is not of type string, is %T", p, v)
			}
			strSlice[i] = s
		}
		return strSlice, nil
	default:
		return []string{}, fmt.Errorf("parameter %s could not be coerced to []string, is %T", p, r.Params.Arguments[p])
	}
}