Add missing variable declarations in JavaScript code

This fixes errors reported by LGTM.

Signed-off-by: Stefan Weil <sw@weilnetz.de>

8 files changed, 63 insertions, 44 deletions

diff --git a/applications/luci-app-aria2/luasrc/view/aria2/overview_status.htm b/applications/luci-app-aria2/luasrc/view/aria2/overview_status.htm
index b14cca228..66db6ce55 100644
--- a/applications/luci-app-aria2/luasrc/view/aria2/overview_status.htm
+++ b/applications/luci-app-aria2/luasrc/view/aria2/overview_status.htm
@@ -24,7 +24,7 @@ function randomString(len) {
 	var $chars = 'abcdefghijklmnopqrstuvwxyz1234567890';
 	var maxPos = $chars.length;
 	var pwd = '';
-	for (i = 0; i < len; i++) {
+	for (var i = 0; i < len; i++) {
 		pwd += $chars.charAt(Math.floor(Math.random() * maxPos));
 	}
 	return pwd;
@@ -41,6 +41,7 @@ function showRPCURL() {
 	var newTextNode = document.getElementById("aria2rpcpath");
 	var auth_method = document.getElementById("cbid.aria2.main.rpc_auth_method");
 	var auth_port = document.getElementById("cbid.aria2.main.rpc_listen_port");
+	var auth_port_value;
 	if (auth_port.value == "") {
 		auth_port_value = "6800"
 	} else {
diff --git a/applications/luci-app-attendedsysupgrade/root/www/luci-static/resources/attendedsysupgrade.js b/applications/luci-app-attendedsysupgrade/root/www/luci-static/resources/attendedsysupgrade.js
index e7d2eca39..4b8cc2bd0 100644
--- a/applications/luci-app-attendedsysupgrade/root/www/luci-static/resources/attendedsysupgrade.js
+++ b/applications/luci-app-attendedsysupgrade/root/www/luci-static/resources/attendedsysupgrade.js
@@ -33,7 +33,7 @@ function edit_server() {
 	$("#server").className = '';
 	$("#server").onclick = null;
 
-	button_set = document.createElement("input");
+	var button_set = document.createElement("input");
 	button_set.type = "button";
 	button_set.value = "Save";
 	button_set.name = "button_set";
@@ -111,7 +111,7 @@ function ubus_call(command, argument, params, variable) {
 	request_data.id = ubus_counter;
 	request_data.method = "call";
 	request_data.params = [ data.ubus_rpc_session, command, argument, params ]
-	request_json = JSON.stringify(request_data)
+	var request_json = JSON.stringify(request_data)
 	ubus_counter++;
 	var request = new XMLHttpRequest();
 	request.open("POST", ubus_url, true);
@@ -179,7 +179,7 @@ function upgrade_check_callback(request_text) {
 	}
 	if(request_json.upgrades != undefined) {
 		info_output += "<h3>Package upgrades available</h3>"
-		for (upgrade in request_json.upgrades) {
+		for (var upgrade in request_json.upgrades) {
 			info_output += "<b>" + upgrade + "</b>: " + request_json.upgrades[upgrade][1] + " to " + request_json.upgrades[upgrade][0] + "<br />"
 		}
 	}
@@ -231,7 +231,7 @@ function upgrade_request_callback(request) {
 	var filename_split = data.sysupgrade_url.split("/")
 	data.filename = filename_split[filename_split.length - 1]
 
-	info_output = 'Firmware created: <a href="' + data.sysupgrade_url + '"><b>' + data.filename + '</b></a>'
+	var info_output = 'Firmware created: <a href="' + data.sysupgrade_url + '"><b>' + data.filename + '</b></a>'
 	if(data.advanced_mode == 1) {
 		info_output += '<br /><a target="_blank" href="' + data.sysupgrade_url + '.log">Build log</a>'
 	}
@@ -320,6 +320,7 @@ function download_image() {
 }
 
 function server_request(request_dict, path, callback) {
+	var request_json;
 	request_dict.distro = data.release.distribution;
 	request_dict.target = data.release.target.split("\/")[0];
 	request_dict.subtarget = data.release.target.split("\/")[1];
@@ -332,7 +333,7 @@ function server_request(request_dict, path, callback) {
 		show("#server_div");
 	}
 	request.addEventListener('load', function(event) {
-		request_text = request.responseText;
+		var request_text = request.responseText;
 		if (request.status === 200) {
 			callback(request_text)
 
@@ -378,7 +379,7 @@ function server_request(request_dict, path, callback) {
 		} else if (request.status === 500) {
 			request_json = JSON.parse(request_text)
 
-			error_box_content = "<b>Internal server error</b><br />"
+			var error_box_content = "<b>Internal server error</b><br />"
 			error_box_content += request_json.error
 			if(request_json.log != undefined) {
 				data.log_url = request_json.log
diff --git a/applications/luci-app-ddns/luasrc/view/ddns/overview_status.htm b/applications/luci-app-ddns/luasrc/view/ddns/overview_status.htm
index b409ed072..f3f45e0d0 100644
--- a/applications/luci-app-ddns/luasrc/view/ddns/overview_status.htm
+++ b/applications/luci-app-ddns/luasrc/view/ddns/overview_status.htm
@@ -14,7 +14,7 @@
 	// called by XHR.poll and onclick_startstop
 	function _data2elements(data) {
 		// Service sections
-		for( i = 1; i < data.length; i++ )
+		for( var i = 1; i < data.length; i++ )
 		{
 			var section = data[i].section	// Section to handle
 			var cbx = document.getElementById("cbid.ddns." + section + ".enabled");		// Enabled
@@ -141,7 +141,7 @@
 				if (x.responseText == "_uncommitted_") {
 					// we need a trick to display Ampersand "&" in stead of "&#38;" or "&amp;"
 					// after translation
-					txt="<%:Please [Save & Apply] your changes first%>";
+					var txt="<%:Please [Save & Apply] your changes first%>";
 					alert( txt.replace(new RegExp("<%:&%>", "g"), "&") );
 				} else {
 					// should have data because status changed
diff --git a/applications/luci-app-ddns/luasrc/view/ddns/system_status.htm b/applications/luci-app-ddns/luasrc/view/ddns/system_status.htm
index 615b6b433..41799cd4d 100644
--- a/applications/luci-app-ddns/luasrc/view/ddns/system_status.htm
+++ b/applications/luci-app-ddns/luasrc/view/ddns/system_status.htm
@@ -20,7 +20,7 @@
 							'<a class="cbi-button cbi-button-action important" type="button" href="' + data[0].url_up + '"><%:enable here%></a></strong>'
 							]);
 				} else {
-					for( j = 1; j < data.length; j++ )
+					for(var j = 1; j < data.length; j++ )
 					{
 						
 						rows.push([
@@ -57,4 +57,4 @@
 		</div>
 	</div>
 </fieldset>
-<!-- ++ END ++ Dynamic DNS ++ system_status.htm ++ -->
\ No newline at end of file
+<!-- ++ END ++ Dynamic DNS ++ system_status.htm ++ -->
diff --git a/applications/luci-app-olsr-viz/htdocs/luci-static/resources/olsr-viz.js b/applications/luci-app-olsr-viz/htdocs/luci-static/resources/olsr-viz.js
index 60a103adf..81eb78fb0 100644
--- a/applications/luci-app-olsr-viz/htdocs/luci-static/resources/olsr-viz.js
+++ b/applications/luci-app-olsr-viz/htdocs/luci-static/resources/olsr-viz.js
@@ -103,15 +103,15 @@ function edge(n1,n2){
 			return "";
 		}
 
-		x = this.n1.x*scale;
-		y = this.n1.y*scale;
-		dx = this.n2.x*scale - x;
-		dy = this.n2.y*scale - y;
+		var x = this.n1.x*scale;
+		var y = this.n1.y*scale;
+		var dx = this.n2.x*scale - x;
+		var dy = this.n2.y*scale - y;
 
 		x += xoff*scale + 75;
 		y += yoff*scale + 15;
 
-		imgtag = "<img src='/luci-static/resources/olsr-viz/dot_"
+		var imgtag = "<img src='/luci-static/resources/olsr-viz/dot_"
 		if (this.etx > 0 && this.etx < 2) {
 			imgtag += "good.gif'";
 		}
@@ -126,9 +126,9 @@ function edge(n1,n2){
 		}
 		imgtag += " alt='ETX: " + this.etx + "' title='ETX: " + this.etx + "' ";
 
-		d = Math.sqrt(dx*dx+dy*dy);
+		var d = Math.sqrt(dx*dx+dy*dy);
 
-		for (j = 0; j < d; j += 15) {
+		for (var j = 0; j < d; j += 15) {
 			nh += imgtag + "style='top:"
 			+ parseInt(y+dy * j / d) + "px; left:"
 			+ parseInt(x+dx * j / d) + "px; "
@@ -182,7 +182,7 @@ function edge(n1,n2){
 
 function getEdgeKey(ip1,ip2)
 {
-	key = "";
+	var key = "";
 	if(ip1 > ip2) {
 		key = ip2 + "-" + ip1;
 	}
@@ -215,7 +215,7 @@ function node(ip) {
 			return "";
 		}
 		var igw = 0;
-		for(h in this.hna) {
+		for(var h in this.hna) {
 			if(h == "0.0.0.0") {
 				igw = 1;
 				break;
@@ -285,7 +285,7 @@ function node(ip) {
 }
 
 function touch_node(ip) {
-	n = nodes[ip];
+	var n = nodes[ip];
 	if(!n) {
 		n = new node(ip);
 		nodes[ip] = n;
@@ -298,19 +298,22 @@ function touch_node(ip) {
 
 function place_new_nodes() {
 	var nc = 0;
-	for(i = 0;i<newnodes.length;i++){
-		n = newnodes[i];
+	for(var i = 0;i<newnodes.length;i++){
+		var n = newnodes[i];
 		if(n.placed){continue;}
+		var sp;
 		if(sp = getCookie("node_"+n.ip)) {
-			xy = sp.split("x");
+			var xy = sp.split("x");
 			debug_writeln("sp: "+sp+" xy[0]: "+xy[0]+" xy[1]: "+xy[1]);
 			n.x = parseFloat(xy[0]);
 			n.y = parseFloat(xy[1]);
 		}
 		else if(n.weight>1){
-			// see if we find allredy placed nodes
-			ox=0,oy=0;dx=0,dy=0;c=0;
-			for(e in n.edges){
+			// see if we find already placed nodes
+			var ox=0, oy=0;
+			var dx=0, dy=0;
+			var c=0;
+			for(var e in n.edges){
 				if(nodes[e] && nodes[e].placed){
 					if(!ox && !oy) {
 						ox = nodes[e].x;
@@ -349,7 +352,7 @@ function hna(gw,net,mask) {
 }
 
 function touch_hna(node,net,mask) {
-	h = node.hna[net];
+	var h = node.hna[net];
 	if(!h) {
 		h = new hna(node.ip,net,mask);
 		node.hna[net] = h;
@@ -379,17 +382,20 @@ function viz_setup(iframeid,maindivid,nodedivid,edgedivid) {
 	edgediv=document.getElementById(edgedivid);
 
 	// autosave on exit?
+	var autosave;
 	if((autosave = getCookie("prefs_autosave"))) {
 		auto_save = parseInt(autosave);
 	}
 	viz_autosave(auto_save);
 
 	// maximum metric of surrounding nodes
+	var mmx;
 	if(mmx = getCookie("prefs_maxmetric")) {
 		set_maxmetric(mmx,true,true);
 	}
 
 	// scale of view
+	var savescale;
 	if((savescale = getCookie("prefs_scale")) &&
 		 (savescale = parseFloat(savescale))) {
 			set_scale(savescale,true);
@@ -414,10 +420,10 @@ function viz_setup(iframeid,maindivid,nodedivid,edgedivid) {
 function viz_save()
 {
 	// let cookie survive a month
-	exp = new Date();
+	var exp = new Date();
 	exp.setTime(exp.getTime() + 2592000000);
 	// save node positions
-	for(ip in nodes)
+	for(var ip in nodes)
 	{
 		if(nodes[ip].metric > maxmetric) {
 			continue;
@@ -451,10 +457,10 @@ function viz_autosave(autosave)
 function viz_reset()
 {
 	deleteAllCookies();
-	for(ip in nodes) {
+	for(var ip in nodes) {
 		delete nodes[ip];
 	}
-	for(e in edges) {
+	for(var e in edges) {
 		delete edges[e];
 	}
 	viz_update();
@@ -571,6 +577,10 @@ function fa(x) {
 var dclTimer = 0;
 var declump_running = false;
 function declump(t) {
+	var dx;
+	var dy;
+	var d;
+
 	// clear declump timer
 	if(dclTimer) {
 		clearTimeout(dclTimer);
@@ -581,7 +591,7 @@ function declump(t) {
 	declump_running = true;
 
 	// nodes
-	nc = 0;
+	var nc = 0;
 	for (var ip1 in nodes) {
 		nodes[ip1].fr_x=0;
 		nodes[ip1].fr_y=0;
@@ -595,7 +605,7 @@ function declump(t) {
 		if(nodes[ip1].metric > maxmetric || nodes[ip1].pinned) {
 			continue;
 		}
-		for (ip2 in nodes) {
+		for (var ip2 in nodes) {
 			if (nodes[ip2].metric > maxmetric || ip1 == ip2) {
 				continue;
 			}
@@ -611,14 +621,14 @@ function declump(t) {
 		dx = nodes[ip1].fr_x;
 		dy = nodes[ip1].fr_y;
 		d = Math.sqrt(dx*dx+dy*dy);
-		md = Math.min(d,iel/nodes[ip1].weight);
+		var md = Math.min(d,iel/nodes[ip1].weight);
 		nodes[ip1].x_next += (dx / d) * md;
 		nodes[ip1].y_next += (dy / d) * md;
 		nc++;
 	}
 
 	// edges
-	ec = 0;
+	var ec = 0;
 	for (var e in edges) {
 		if (!edges[e].n1 || !edges[e].n2 ||
 			edges[e].n1.metric > maxmetric || edges[e].n2.metric > maxmetric) {
@@ -637,7 +647,11 @@ function declump(t) {
 	}
 
 	// displacement
-	xmin=-20;ymin=-20;xmax=20;ymax=20;dsum=0;
+	var xmin=-20;
+	var ymin=-20;
+	var xmax=20;
+	var ymax=20;
+	var dsum=0;
 	for (var ip in nodes) {
 		if(nodes[ip].metric > maxmetric || nodes[ip].pinned) {
 			continue;
@@ -713,7 +727,7 @@ function dragstart(element) {
 	dragx = posx - element.offsetLeft;
 	dragy = posy - element.offsetTop;
 
-	n = nodes[dragip];
+	var n = nodes[dragip];
 	if(n) {
 		n.pinned = true;
 	}
@@ -723,7 +737,7 @@ function dragstart(element) {
 function dragstop() {
 	//Wird aufgerufen, wenn ein Objekt nicht mehr bewegt werden soll.
 
-	n = nodes[dragip];
+	var n = nodes[dragip];
 	if(n) {
 		n.pinned = false;
 	}
@@ -738,12 +752,12 @@ function drag(ereignis) {
 	posx = document.all ? window.event.clientX : ereignis.pageX;
 	posy = document.all ? window.event.clientY : ereignis.pageY;
 	if(dragip != null) {
-		n = nodes[dragip];
+		var n = nodes[dragip];
 		if(n) {
 			n.x = (posx - dragx)/scale - xoff;
 			n.y = (posy - dragy)/scale - yoff;
 		}
-		e = document.getElementById('node_'+dragip);
+		var e = document.getElementById('node_'+dragip);
 		e.style.left = parseInt((n.x+xoff)*scale) + "px";
 		e.style.top = parseInt((n.y+yoff)*scale) + "px";
 	}
@@ -811,8 +825,8 @@ function deleteCookie(name, path, domain) {
 }
 
 function deleteAllCookies() {
-	cookies = document.cookie.split("; ");
-	for(i=0;i<cookies.length;i++) {
+	var cookies = document.cookie.split("; ");
+	for(var i=0;i<cookies.length;i++) {
 		deleteCookie(cookies[i].split("=")[0]);
 	}
 }
diff --git a/applications/luci-app-olsr/luasrc/view/status-olsr/common_js.htm b/applications/luci-app-olsr/luasrc/view/status-olsr/common_js.htm
index 1ee763e11..213013f22 100644
--- a/applications/luci-app-olsr/luasrc/view/status-olsr/common_js.htm
+++ b/applications/luci-app-olsr/luasrc/view/status-olsr/common_js.htm
@@ -9,7 +9,7 @@ function css(selector, property, value) {
 }
 
 window.onload = function() {
-  buttons = '<input type="button" name="show-proto-4" id="show-proto-4" class="cbi-button cbi-button-apply" style="margin-right: 5px" value="<%:Hide IPv4%>">'
+  var buttons = '<input type="button" name="show-proto-4" id="show-proto-4" class="cbi-button cbi-button-apply" style="margin-right: 5px" value="<%:Hide IPv4%>">'
   buttons += '<input type="button" name="show-proto-6" id="show-proto-6" class="cbi-button cbi-button-apply" value="<%:Hide IPv6%>">'
 
   document.getElementById('togglebuttons').innerHTML = buttons;
diff --git a/applications/luci-app-olsr/luasrc/view/status-olsr/hna.htm b/applications/luci-app-olsr/luasrc/view/status-olsr/hna.htm
index 1c178f181..f04d92691 100644
--- a/applications/luci-app-olsr/luasrc/view/status-olsr/hna.htm
+++ b/applications/luci-app-olsr/luasrc/view/status-olsr/hna.htm
@@ -47,12 +47,14 @@ XHR.poll(10, '<%=REQUEST_URI%>', { status: 1 },
 				linkgw = '<a href="http://' + hna.gateway + '/cgi-bin-status.html">' + hna.gateway + '</a>'
 			}
 
+			var validity;
 			if (hna.validityTime != undefined) {
 				validity = hna.validityTime + 's'
 			} else {
 				validity = '-'
 			}
 
+			var hostname;
 			if (hna.hostname != undefined) {
 				hostname = ' / <a href="http://' + hna.hostname + '/cgi-bin-status.html">' + hna.hostname + '</a>'
 			} else {
diff --git a/applications/luci-app-olsr/luasrc/view/status-olsr/smartgw.htm b/applications/luci-app-olsr/luasrc/view/status-olsr/smartgw.htm
index 9afd367d1..46cc27dec 100644
--- a/applications/luci-app-olsr/luasrc/view/status-olsr/smartgw.htm
+++ b/applications/luci-app-olsr/luasrc/view/status-olsr/smartgw.htm
@@ -55,6 +55,7 @@ XHR.poll(10, '<%=REQUEST_URI%>', { status: 1 },
 		for (var idx = 0; idx < info.length; idx++)
 		{
 			var smartgw = info[idx];
+			var linkgw;
 			s += '<div class="tr cbi-section-table-row cbi-rowstyle-'+(1 + (idx % 2))+' proto-' + smartgw.proto + '">'
 			if (smartgw.proto == '6') {
 				linkgw = '<a href="http://[' + smartgw.ipAddress + ']/cgi-bin-status.html">' + smartgw.ipAddress + '</a>'