Method ToMiddleware

middleware/rewrite.go:54–79

ToMiddleware converts RewriteConfig to middleware or returns an error for invalid configuration

()

// ToMiddleware converts RewriteConfig to middleware or returns an error for invalid configuration
func (config RewriteConfig) ToMiddleware() (echo.MiddlewareFunc, error) {
	if config.Skipper == nil {
		config.Skipper = DefaultSkipper
	}
	if config.Rules == nil && config.RegexRules == nil {
		return nil, errors.New("echo rewrite middleware requires url path rewrite rules or regex rules")
	}

	if config.RegexRules == nil {
		config.RegexRules = make(map[*regexp.Regexp]string)
	}
	maps.Copy(config.RegexRules, rewriteRulesRegex(config.Rules))

	return func(next echo.HandlerFunc) echo.HandlerFunc {
		return func(c *echo.Context) (err error) {
			if config.Skipper(c) {
				return next(c)
			}

			if err := rewriteURL(config.RegexRules, c.Request()); err != nil {
				return err
			}
			return next(c)
		}
	}, nil
}