Modernize invertergui: MQTT write support, HA integration, UI updates

vendor/github.com/prometheus/procfs/zoneinfo.go

@@ -1,4 +1,4 @@
-// Copyright 2019 The Prometheus Authors
+// Copyright The Prometheus Authors
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
@@ -75,11 +75,11 @@ var nodeZoneRE = regexp.MustCompile(`(\d+), zone\s+(\w+)`)
 func (fs FS) Zoneinfo() ([]Zoneinfo, error) {
 	data, err := os.ReadFile(fs.proc.Path("zoneinfo"))
 	if err != nil {
-		return nil, fmt.Errorf("%s: error reading zoneinfo %q: %w", ErrFileRead, fs.proc.Path("zoneinfo"), err)
+		return nil, fmt.Errorf("%w: error reading zoneinfo %q: %w", ErrFileRead, fs.proc.Path("zoneinfo"), err)
 	}
 	zoneinfo, err := parseZoneinfo(data)
 	if err != nil {
-		return nil, fmt.Errorf("%s: error parsing zoneinfo %q: %w", ErrFileParse, fs.proc.Path("zoneinfo"), err)
+		return nil, fmt.Errorf("%w: error parsing zoneinfo %q: %w", ErrFileParse, fs.proc.Path("zoneinfo"), err)
 	}
 	return zoneinfo, nil
 }
@@ -88,11 +88,9 @@ func parseZoneinfo(zoneinfoData []byte) ([]Zoneinfo, error) {
 
 	zoneinfo := []Zoneinfo{}
 
-	zoneinfoBlocks := bytes.Split(zoneinfoData, []byte("\nNode"))
-	for _, block := range zoneinfoBlocks {
+	for block := range bytes.SplitSeq(zoneinfoData, []byte("\nNode")) {
 		var zoneinfoElement Zoneinfo
-		lines := strings.Split(string(block), "\n")
-		for _, line := range lines {
+		for line := range strings.SplitSeq(string(block), "\n") {
 
 			if nodeZone := nodeZoneRE.FindStringSubmatch(line); nodeZone != nil {
 				zoneinfoElement.Node = nodeZone[1]