Add openHabTrigger node

.gitignore

@@ -1,6 +1,7 @@
 .DS_Store
-node_modules
 dist
+node_modules
+test_coverage
 yarn.lock
 .eslintcache
 .tsbuildinfo

README.md

@@ -14,6 +14,7 @@ Custom n8n node for interacting with the openHAB REST API, with optional myopenH
 - Inspect things and their status.
 - List, trigger, enable/disable rules.
 - Fetch system info for quick health checks.
+- Trigger workflows from openHAB events.
 - Works against local openHAB or remotely through `myopenhab.org`.
 
 ## Requirements
@@ -42,6 +43,8 @@ Custom n8n node for interacting with the openHAB REST API, with optional myopenH
 
 ## Usage
 
+### openHAB node
+
 1. Add the **openHAB** node to a workflow.
 2. Set credentials:
    - **Local**: Base URL (e.g., `http://localhost:8080`) + API token.
@@ -53,7 +56,7 @@ Custom n8n node for interacting with the openHAB REST API, with optional myopenH
    - **System**: system info.
 4. Execute the node; outputs are JSON objects ready for downstream n8n steps.
 
-### Usage examples
+#### Usage examples
 
 1. Read a light state:
    - Resource: `Item`
@@ -69,6 +72,42 @@ Custom n8n node for interacting with the openHAB REST API, with optional myopenH
    - Operation: `Run`
    - Rule UID: `evening_scene`
 
+### openHAB Trigger node
+
+1. Add the **openHAB Trigger** node to a workflow to listen for openHAV events and start workflows when they arrive.
+2. Set credentials:
+   - **Local**: Base URL (e.g., `http://localhost:8080`) + API token.
+   - **Cloud (myopenHAB)**: Choose “myopenHAB Account” in credentials and enter your myopenHAB login and set **openHAB API Token (optional)** to send `X-OPENHAB-TOKEN`.
+3. Filter events by:
+   - **Topic**: Comma-separated topic filters (supports `*` wildcard or RegEx and exclusions with `!`), e.g. `openhab/items/*/command,!openhab/items/MyItem/*` to listen for command to all Items except `MyItem`.
+   - **Type**: Comma-separated event types to include, e.g. `ItemCommandEvent,ItemStateChangedEvent,ItemStateUpdatedEvent`.
+   - **Source**: Comma-separated event sources to exclude, e.g. `org.openhab.ui=>org.openhab.core.io.rest,`. The node’s own source is always excluded to prevent loops.
+
+The trigger emits incoming events with the following properties:
+
+- `type`: event type
+- `topic`: event topic
+- `payload`: parsed JSON payload (if possible)
+- `source`: event source (if present)
+- `rawPayload`: raw payload string
+- `receivedAt`: ISO timestamp
+
+Example event:
+
+```json
+{
+   "type": "ItemCommandEvent", 
+   "topic": "openhab/items/Florian_Licht/command",
+   "payload": {
+      "type": "OnOff", 
+      "value": "ON"
+   },
+   "source": "org.openhab.ui=>org.openhab.core.io.rest",
+   "rawPayload": "{\"type\":\"OnOff\",\"value\":\"ON\"}",
+   "receivedAt": "2026-04-20T19:12:18.056Z"
+}
+```
+
 ### Notes
 
 - Authentication is applied through the credential type (used by `httpRequestWithAuthentication`), so each request automatically uses the selected auth mode.
@@ -79,6 +118,7 @@ Custom n8n node for interacting with the openHAB REST API, with optional myopenH
 ## Development
 
 - Lint: `npm run lint`
+- Test: `npm run test`
 - Build: `npm run build`
 - TypeScript config targets Node 18+.
 

eslint.config.mjs

@@ -3,14 +3,14 @@ import parserTs from '@typescript-eslint/parser';
 
 export default [
   {
-    ignores: ['dist', 'node_modules'],
+    ignores: ['dist', 'node_modules', 'test_coverage']
   },
   {
     files: ['**/*.ts'],
     languageOptions: {
       parser: parserTs,
       parserOptions: {
-        project: './tsconfig.json',
+        project: './tsconfig.eslint.json',
         sourceType: 'module',
       },
     },

index.ts

@@ -1,5 +1,6 @@
 import { openHAB } from './nodes/openHAB/openHAB.node';
+import { openHABTrigger } from './nodes/openHABTrigger/openHABTrigger.node';
 import { openHABApi } from './credentials/openHABApi.credentials';
 
-export const nodes = [openHAB];
+export const nodes = [openHAB, openHABTrigger];
 export const credentials = [openHABApi];

jest.config.js

@@ -0,0 +1,25 @@
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+  testMatch: ['**/*.test.ts'],
+
+  // Automatically clear mock calls, instances, contexts and results before every test
+  clearMocks: true,
+
+  // Indicates whether the coverage information should be collected while executing the test
+  collectCoverage: true,
+
+  // An array of glob patterns indicating a set of files for which coverage information should be collected
+  collectCoverageFrom: ['util/**/*.ts'],
+
+  // The directory where Jest should output its coverage files
+  coverageDirectory: 'test_coverage',
+
+  // An array of regexp pattern strings used to skip coverage collection
+  // coveragePathIgnorePatterns: [
+  //   "/node_modules/"
+  // ],
+
+  // Indicates which provider should be used to instrument code for coverage
+  coverageProvider: 'v8',
+};