requirements by eslint 9

README.md

@@ -65,6 +65,11 @@ browse in the [wiki](https://github.com/bolliy/ioBroker.sun2000/wiki)
 	Placeholder for the next version (at the beginning of the line):
 	### **WORK IN PROGRESS**
 -->
+
+### **WORK IN PROGRESS**
+* Upgrade to ESLint 9.x
+* node >= 20.9
+
 ### 0.16.0 (2024-11-01)
 * dependency and configuration updates
 * read additional register data of Huawei Emma

eslint.config.mjs

@@ -13,7 +13,7 @@ const compat = new FlatCompat({
 });
 
 export default [{
-    ignores: ["**/.eslintrc.js", "admin/words.js"],
+    ignores: ["**/.eslintrc.js", "admin/words.js", ".dev-server/**", "eslint.config.*"],
 }, ...compat.extends("eslint:recommended"), {
     plugins: {},
 

lib/modbus/modbus_server.js

@@ -164,7 +164,7 @@ class ModbusServer {
 				await this.wait(500);
 				callback({ modbusErrorCode: 0x01, msg: 'Illegal function (device does not support this read/write function)' });
 			}
-		} catch (err) {
+		} catch  {
 			this._addInfoStat('#getMultipleHoldingRegisters',startAddr, length, unitId);
 			await this.wait(500);
 			callback({ modbusErrorCode: 0x04, msg: 'Slave device failure (device reports internal error)' });

main.js

@@ -320,7 +320,6 @@ class Sun2000 extends utils.Adapter {
 			this.config.integration = 1;
 			this.updateConfig(this.config);
 		}
-
 		await this.setState('info.ip', {val: this.config.address, ack: true});
 		await this.setState('info.port', {val: this.config.port, ack: true});
 		await this.setState('info.modbusIds', {val: this.config.modbusIds, ack: true});
@@ -339,6 +338,7 @@ class Sun2000 extends utils.Adapter {
 			this.settings.modbusIds = this.config.modbusIds.split(',').map((n) => {return Number(n);});
 			//SmartDongle
 			this.settings.sd.active = this.config.sd_active;
+			// eslint-disable-next-line no-constant-binary-expression
 			this.settings.sd.sDongleId = Number(this.config.sDongleId) ?? 0;
 			if (this.settings.sd.sDongleId < 0 || this.settings.sd.sDongleId >= 255) this.settings.sd.active = false;
 			this.settings.highInterval = this.config.updateInterval*1000; //ms
@@ -527,7 +527,7 @@ class Sun2000 extends utils.Adapter {
 			this.modbusClient && this.modbusClient.close();
 			this.setState('info.connection', false, true);
 			callback();
-		} catch (e) {
+		} catch {
 			callback();
 		}
 	}