Changes from pull request discussion

- simplyfy empty tradfri battery detection
- change command string format

config/rzl.js

@@ -736,8 +736,9 @@ const config : Config = {
       name: "Fernbedinungen",
       position: [400, 348],
       icon: "remote",
-      iconColor: (state) =>
-        ((state[tradfri_remote.low("65536")] == "true") || (state[tradfri_remote.low("65542")] == "true") || (state[tradfri_remote.low("65546")] == "true") || (state[tradfri_remote.low("65547")] == "true")) ? hex("#ff0000") : hex("#000000"),
+      iconColor: (state) => //if any remote is low make icon red
+        ["65536", "65542", "65546", "65547"
+        ].some(x => state[tradfri_remote.low(x)] == "true") ? hex("#ff0000") : hex("#000000"),
       ui: [
         {
           type: "progress",

config/utils.js

@@ -65,13 +65,13 @@ export const tradfri_remote = {
   topics: (remote_id: string) => ({
     [ `tradfri_remote_${remote_id}_level` ]: {
       state: `/service/openhab/out/tradfri_0830_gwb8d7af2b448f_${remote_id}_battery_level/state`,
-      command: ``,
+      command: "",
       defaultValue: "0",
       values: {}
     },
     [ `tradfri_remote_${remote_id}_low` ]: {
       state: `/service/openhab/out/tradfri_0830_gwb8d7af2b448f_${remote_id}_battery_low/state`,
-      command: ``,
+      command: "",
       defaultValue: "OFF",
       values: { true: "ON", false: "OFF" }
     }