Method TargetPortFromExposeVariable

pkg/ddevapp/ddevapp.go:751–767

TargetPortFromExposeVariable uses a string like HTTP_EXPOSE or HTTPS_EXPOSE, which is a comma-delimited list of colon-delimited port-pairs Given a target port (often "80" or "8025") its job is to get from HTTPS_EXPOSE or HTTP_EXPOSE the related port to be exposed on the router. It returns an empty s

(exposeEnvVar string, targetPort string)

// It returns an empty string if the HTTP_EXPOSE/HTTPS_EXPOSE is not
// found or no valid port mapping is found.
func (app *DdevApp) TargetPortFromExposeVariable(exposeEnvVar string, targetPort string) string {
	// Get the var
	// split it via comma
	// split it via colon into a map: rhs is the key, lhs is the value
	portMap := make(map[string]string)
	items := strings.SplitSeq(exposeEnvVar, ",")
	for item := range items {
		portPair := strings.Split(item, ":")
		if len(portPair) == 2 {
			portMap[portPair[1]] = portPair[0]
		}
	}
	if w, ok := portMap[targetPort]; ok {
		return w
	}
	return ""
}

// GetPrimaryRouterHTTPSPort returns app's primary router https port
// It has to choose from (highest to lowest priority):