Support Home Assistant configuration for external converters. https://github.com/Koenkk/zigbee-herdsman-converters/issues/1343

lib/util/utils.js

@@ -1,6 +1,7 @@
 const zigbeeHerdsmanConverters = require('zigbee-herdsman-converters');
 const equals = require('fast-deep-equal');
 const humanizeDuration = require('humanize-duration');
+const data = require('./data');
 
 // Xiaomi uses 4151 and 4447 (lumi.plug) as manufacturer ID.
 const xiaomiManufacturerID = [4151, 4447];
@@ -150,6 +151,27 @@ function parseJSON(value, failedReturnValue) {
     }
 }
 
+function* getExternalConvertersDefinitions(settings) {
+    const externalConverters = settings.get().external_converters;
+
+    for (const moduleName of externalConverters) {
+        let converterModule = moduleName;
+
+        if (moduleName.endsWith('.js')) {
+            converterModule = data.joinPath(moduleName.split('.')[0]);
+        }
+
+        const converter = require(converterModule);
+        if (Array.isArray(converter)) {
+            for (const item of converter) {
+                yield item;
+            }
+        } else {
+            yield converter;
+        }
+    }
+}
+
 module.exports = {
     millisecondsToSeconds: (milliseconds) => milliseconds / 1000,
     secondsToMilliseconds: (seconds) => seconds * 1000,
@@ -169,4 +191,5 @@ module.exports = {
     getResponse,
     capitalize,
     parseJSON,
+    getExternalConvertersDefinitions,
 };