add sensing_online

Author: GarboMuffin

package-lock.json

@@ -521,6 +521,7 @@ const sensing = function (isInitialSetup, isStage, targetId, colors) {
         <block id="current" type="sensing_current"/>
         <block type="sensing_dayssince2000"/>
         ${blockSeparator}
+        <block id="online" type="sensing_online"/>
         <block type="sensing_username"/>
         ${categorySeparator}
     </category>

src/lib/make-toolbox-xml.js

@@ -130,8 +130,13 @@ const messages = defineMessages({
     },
     sensing_dayssince2000: {
         defaultMessage: 'days since 2000',
-        description: 'Label for the days since 2000 monitor when show on the stage',
+        description: 'Label for the days since 2000 monitor when shown on the stage',
         id: 'tw.opcode.2000'
+    },
+    sensing_online: {
+        defaultMessage: 'online?',
+        description: 'Name of "online?" block',
+        id: 'tw.opcode.online'
     }
 });
 
@@ -178,7 +183,8 @@ class OpcodeLabels {
             sensing_username: {category: 'sensing'},
             sensing_current: {category: 'sensing'},
             sensing_timer: {category: 'sensing'},
-            sensing_dayssince2000: {category: 'sensing'}
+            sensing_dayssince2000: {category: 'sensing'},
+            sensing_online: {category: 'sensing'}
         };
 
         // Initialize opcodeMap with default strings
@@ -256,6 +262,7 @@ class OpcodeLabels {
         };
         this._opcodeMap.sensing_timer.labelFn = () => this._translator(messages.sensing_timer);
         this._opcodeMap.sensing_dayssince2000.labelFn = () => this._translator(messages.sensing_dayssince2000);
+        this._opcodeMap.sensing_online.labelFn = () => this._translator(messages.sensing_online);
     }
 
     /**