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Remove redundant msg != null checks.

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This commit is contained in:
Mark Hindess
2014-09-08 21:10:06 +01:00
parent 7b63680be1
commit 5d9c16ffbf
7 changed files with 163 additions and 182 deletions
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30
nodes/core/io/10-mqtt.js
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@@ -82,24 +82,22 @@ module.exports = function(RED) {
this.client = connectionPool.get(this.brokerConfig.broker,this.brokerConfig.port,this.brokerConfig.clientid,this.brokerConfig.username,this.brokerConfig.password);
var node = this;
this.on("input",function(msg) {
if (msg != null) {
if (msg.qos) {
msg.qos = parseInt(msg.qos);
if ((msg.qos !== 0) && (msg.qos !== 1) && (msg.qos !== 2)) {
msg.qos = null;
}
if (msg.qos) {
msg.qos = parseInt(msg.qos);
if ((msg.qos !== 0) && (msg.qos !== 1) && (msg.qos !== 2)) {
msg.qos = null;
}
msg.qos = Number(node.qos || msg.qos || 0);
msg.retain = node.retain || msg.retain || false;
msg.retain = ((msg.retain === true) || (msg.retain === "true")) || false;
if (node.topic) {
msg.topic = node.topic;
}
if ((msg.hasOwnProperty("topic")) && (typeof msg.topic === "string") && (msg.topic !== "")) { // topic must exist
this.client.publish(msg); // send the message
}
else { node.warn("Invalid topic specified"); }
}
msg.qos = Number(node.qos || msg.qos || 0);
msg.retain = node.retain || msg.retain || false;
msg.retain = ((msg.retain === true) || (msg.retain === "true")) || false;
if (node.topic) {
msg.topic = node.topic;
}
if ((msg.hasOwnProperty("topic")) && (typeof msg.topic === "string") && (msg.topic !== "")) { // topic must exist
this.client.publish(msg); // send the message
}
else { node.warn("Invalid topic specified"); }
});
this.client.on("connectionlost",function() {
node.status({fill:"red",shape:"ring",text:"disconnected"});