Move all of hassUtil to JS (#1153)

* Move all of hassUtil to JS

* Fix tests

js/common/entity/binary_sensor_icon.js

@@ -0,0 +1,49 @@
+/** Return an icon representing a binary sensor state. */
+
+export default function binarySensorIcon(state) {
+  var activated = state.state && state.state === 'off';
+  switch (state.attributes.device_class) {
+    case 'battery':
+      return activated ? 'mdi:battery' : 'mdi:battery-outline';
+    case 'cold':
+      return activated ? 'mdi:thermometer' : 'mdi:snowflake';
+    case 'connectivity':
+      return activated ? 'mdi:server-network-off' : 'mdi:server-network';
+    case 'door':
+      return activated ? 'mdi:door-closed' : 'mdi:door-open';
+    case 'garage_door':
+      return activated ? 'mdi:garage' : 'mdi:garage-open';
+    case 'gas':
+    case 'power':
+    case 'problem':
+    case 'safety':
+    case 'smoke':
+      return activated ? 'mdi:verified' : 'mdi:alert';
+    case 'heat':
+      return activated ? 'mdi:thermometer' : 'mdi:fire';
+    case 'light':
+      return activated ? 'mdi:brightness-5' : 'mdi:brightness-7';
+    case 'lock':
+      return activated ? 'mdi:lock' : 'mdi:lock-open';
+    case 'moisture':
+      return activated ? 'mdi:water-off' : 'mdi:water';
+    case 'motion':
+      return activated ? 'mdi:walk' : 'mdi:run';
+    case 'occupancy':
+      return activated ? 'mdi:home-outline' : 'mdi:home';
+    case 'opening':
+      return activated ? 'mdi:square' : 'mdi:square-outline';
+    case 'plug':
+      return activated ? 'mdi:power-plug-off' : 'mdi:power-plug';
+    case 'presence':
+      return activated ? 'mdi:home-outline' : 'mdi:home';
+    case 'sound':
+      return activated ? 'mdi:music-note-off' : 'mdi:music-note';
+    case 'vibration':
+      return activated ? 'mdi:crop-portrait' : 'mdi:vibrate';
+    case 'window':
+      return activated ? 'mdi:window-closed' : 'mdi:window-open';
+    default:
+      return activated ? 'mdi:radiobox-blank' : 'mdi:checkbox-marked-circle';
+  }
+}