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Publish null/undefined to mqtt as blank not toString

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Fixes #1521
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Nick O'Leary 2018-01-13 22:53:58 +00:00
parent 8ffabf1813
commit 548f45cd56
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1 changed files with 3 additions and 1 deletions
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nodes/core/io/10-mqtt.js
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@ -291,7 +291,9 @@ module.exports = function(RED) {
this.publish = function (msg) { this.publish = function (msg) {
if (node.connected) { if (node.connected) {
if (!Buffer.isBuffer(msg.payload)) { if (msg.payload === null || msg.payload === undefined) {
msg.payload = "";
} else if (!Buffer.isBuffer(msg.payload)) {
if (typeof msg.payload === "object") { if (typeof msg.payload === "object") {
msg.payload = JSON.stringify(msg.payload); msg.payload = JSON.stringify(msg.payload);
} else if (typeof msg.payload !== "string") { } else if (typeof msg.payload !== "string") {