Function replaceTemplateVariables

internal/validators/utils.go:49–75

replaceTemplateVariables replaces template variables with placeholder values for URL validation

(rawURL string)

// replaceTemplateVariables replaces template variables with placeholder values for URL validation
func replaceTemplateVariables(rawURL string) string {
	// Replace common template variables with valid placeholder values for parsing
	templateReplacements := map[string]string{
		"{host}":     "example.com",
		"{port}":     "8080",
		"{path}":     "api",
		"{protocol}": "http",
		"{scheme}":   "http",
	}

	result := rawURL
	for placeholder, replacement := range templateReplacements {
		result = strings.ReplaceAll(result, placeholder, replacement)
	}

	// Handle any remaining {variable} patterns with context-appropriate placeholders
	// If the variable is in a port position (after a colon in the host), use a numeric placeholder
	// Pattern: :/{variable} or :{variable}/ or :{variable} at end
	portRe := regexp.MustCompile(`:(\{[^}]+\})(/|$)`)
	result = portRe.ReplaceAllString(result, ":8080$2")

	// Replace any other remaining {variable} patterns with generic placeholder
	re := regexp.MustCompile(`\{[^}]+\}`)
	result = re.ReplaceAllString(result, "placeholder")

	return result
}

// IsValidURL checks if a URL is in valid format (basic structure validation)
func IsValidURL(rawURL string) bool {