Topic transformer

Author: mpatfield

CHANGELOG.md

@@ -2,6 +2,17 @@
 
 All notable changes to homebridge-easy-mqtt will be documented in this file.
 
+## 2.1.0-beta.0 (2026-07-21)
+
+### Added
+- [Topic Transformers](https://github.com/mpatfield/homebridge-easy-mqtt/wiki/Advanced-Topic-Notation#topic-transformer) to alter the publish topics based on the value
+
+### Changed
+- Updated dependencies
+
+### Notes
+- Please consider giving this plugin a ⭐️ on [GitHub](https://github.com/mpatfield/homebridge-easy-mqtt) if you're finding it useful!
+
 ## 2.0.0 (2026-07-07)
 
 ### Added
@@ -19,7 +30,6 @@ All notable changes to homebridge-easy-mqtt will be documented in this file.
 
 ### Notes
 - The major version update from v1 to v2 reflects the significant code restructuring needed to support Matter. There should be no breaking changes for existing configurations, but please [open a ticket](https://github.com/mpatfield/homebridge-easy-mqtt/issues/new/choose) if you have any issues.
-- Please consider giving this plugin a ⭐️ on [GitHub](https://github.com/mpatfield/homebridge-easy-mqtt) if you're finding it useful!
 
 ## 1.5.17 (2026-06-04)
 

package-lock.json

@@ -4,7 +4,7 @@
   "displayName": "Easy MQTT",
   "description": "Homebridge plugin for MQTT devices",
   "type": "module",
-  "version": "2.0.0",
+  "version": "2.1.0-beta.0",
   "homepage": "https://github.com/mpatfield/homebridge-easy-mqtt#readme",
   "repository": {
     "type": "git",

package.json

@@ -478,7 +478,8 @@ const en = {
     reconnectMinutes: 'Will attempt to reconnect to %s in %s minutes…', // host, number
     reconnectSeconds: 'Will attempt to reconnect to %s in %s seconds…', // host, number
     reuse: '%s reusing existing client with id %s', // accessory name, uuid
-    transformedValue: 'Transforming value from %s to %s', // number, number
+    transformedTopic: 'Transforming topic from %s to %s', // topic, topic
+    transformedValue: 'Transforming value from %s to %s', // value, value
     transformFailed: 'Unable to execute transform:',
   },
 

src/i18n/en.ts

@@ -0,0 +1,9 @@
+const da = {
+
+  mqttClient: {
+    transformedTopic: 'Transforming topic from %s to %s', // topic, topic
+  },
+
+};
+
+export default da;

src/i18n/missing/da.ts

@@ -31,6 +31,10 @@ const de = {
     },
   },
 
+  mqttClient: {
+    transformedTopic: 'Transforming topic from %s to %s', // topic, topic
+  },
+
   startup: {
     homekitNewAccessory: 'Adding HomeKit accessory:',
     homekitRemoveAccessory: 'Removing HomeKit accessory:',

src/i18n/missing/de.ts

@@ -0,0 +1,9 @@
+const fr = {
+
+  mqttClient: {
+    transformedTopic: 'Transforming topic from %s to %s', // topic, topic
+  },
+
+};
+
+export default fr;

src/i18n/missing/fr.ts

@@ -147,7 +147,8 @@ const it = {
   mqttClient: {
     messageUndefined: 'Message on %s with topic %s was transformed to undefined. Ignoring…', // host, topic
     publishUndefined: 'Nothing to publish to %s with topic %s. Transformed value is undefined.', // host, topic
-    transformedValue: 'Transforming value from %s to %s', // number, number
+    transformedTopic: 'Transforming topic from %s to %s', // topic, topic
+    transformedValue: 'Transforming value from %s to %s', // value, value
     transformFailed: 'Unable to execute transform:',
   },
 

src/i18n/missing/it.ts

@@ -0,0 +1,9 @@
+const ro = {
+
+  mqttClient: {
+    transformedTopic: 'Transforming topic from %s to %s', // topic, topic
+  },
+
+};
+
+export default ro;

src/i18n/missing/ro.ts

@@ -0,0 +1,9 @@
+const vi = {
+
+  mqttClient: {
+    transformedTopic: 'Transforming topic from %s to %s', // topic, topic
+  },
+
+};
+
+export default vi;