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Merge pull request #4416 from node-red/mqtt-check-topic-length

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check topic length > 0 before publish
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Nick O'Leary 2023-11-07 17:46:33 +00:00 committed by GitHub
commit c6a8eee73d
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1 changed files with 16 additions and 15 deletions
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packages/node_modules/@node-red/nodes/core/network/10-mqtt.js vendored
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@ -104,6 +104,7 @@ module.exports = function(RED) {
* @returns `true` if it is a valid topic
*/
function isValidPublishTopic(topic) {
if (topic.length === 0) return false;
return !/[\+#\b\f\n\r\t\v\0]/.test(topic);
}