Put droneVariableArray in header file

include/dronedge.h

+#ifndef __DRONEDGE_H__
+#define __DRONEDGE_H__
+
+#include <open62541/server.h>
+#include "pubsub.h"
+UA_Float defaultFloat = 0;
+UA_Double defaultDouble = 0;
+
+const VariableData droneVariableArray[] = {
+    {
+        .name = "latitude",
+        .description = "Latitude",
+        .pdefaultValue = &defaultDouble,
+        .type = UA_TYPES_DOUBLE,
+        .builtInType = UA_NS0ID_DOUBLE,
+    },
+    {
+        .name = "longitude",
+        .description = "Longitude",
+        .pdefaultValue = &defaultDouble,
+        .type = UA_TYPES_DOUBLE,
+        .builtInType = UA_NS0ID_DOUBLE,
+    },
+    {
+        .name = "altitude_abs",
+        .description = "Absolute Altitude (AMSL)",
+        .pdefaultValue = &defaultFloat,
+        .type = UA_TYPES_FLOAT,
+        .builtInType = UA_NS0ID_FLOAT,
+    },
+    {
+        .name = "altitude_rel",
+        .description = "Relative Altitude",
+        .pdefaultValue = &defaultFloat,
+        .type = UA_TYPES_FLOAT,
+        .builtInType = UA_NS0ID_FLOAT,
+    },
+};
+
+
+#endif /* __DRONEDGE_H__ */

qjs_wrapper.c

 #include <quickjs/quickjs.h>
 
 #include "mavsdk_wrapper.h"
-#include "pubsub.h"
+#include "dronedge.h"
 
 static JSClassID js_drone_class_id;
 
-UA_Float defaultFloat = 0;
-UA_Double defaultDouble = 0;
-
-const VariableData droneVariableArray[] = {
-    {
-        .name = "latitude",
-        .description = "Latitude",
-        .pdefaultValue = &defaultDouble,
-        .type = UA_TYPES_DOUBLE,
-        .builtInType = UA_NS0ID_DOUBLE,
-    },
-    {
-        .name = "longitude",
-        .description = "Longitude",
-        .pdefaultValue = &defaultDouble,
-        .type = UA_TYPES_DOUBLE,
-        .builtInType = UA_NS0ID_DOUBLE,
-    },
-    {
-        .name = "altitude_abs",
-        .description = "Absolute Altitude (AMSL)",
-        .pdefaultValue = &defaultFloat,
-        .type = UA_TYPES_FLOAT,
-        .builtInType = UA_NS0ID_FLOAT,
-    },
-    {
-        .name = "altitude_rel",
-        .description = "Relative Altitude",
-        .pdefaultValue = &defaultFloat,
-        .type = UA_TYPES_FLOAT,
-        .builtInType = UA_NS0ID_FLOAT,
-    },
-};
-
 static UA_Boolean pubsub_running = true;
 
 int nbDrone;