Fix enableIf macro issue

Author: exoego

app/current/src/main/scala/io/scalajs/nodejs/worker_threads/MessagePoster.scala

@@ -4,8 +4,8 @@ import com.thoughtworks.enableMembersIf
 
 import scala.scalajs.js
 
-@js.native
 @enableMembersIf(io.scalajs.nodejs.CompilerSwitches.gteNodeJs10)
+@js.native
 trait MessagePoster extends js.Object {
 
   def postMessage(value: js.Any): Unit = js.native

app/current/src/main/scala/io/scalajs/nodejs/worker_threads/Worker.scala

@@ -4,6 +4,7 @@ import com.thoughtworks.enableMembersIf
 
 import scala.scalajs.js
 import scala.scalajs.js.annotation.JSImport
+
 @enableMembersIf(io.scalajs.nodejs.CompilerSwitches.gteNodeJs10)
 @js.native
 @JSImport("worker_threads", "Worker")

app/current/src/main/scala/io/scalajs/nodejs/worker_threads/WorkerThreads.scala

@@ -4,17 +4,22 @@ import com.thoughtworks.enableMembersIf
 
 import scala.scalajs.js
 import scala.scalajs.js.annotation.JSImport
-@enableMembersIf(io.scalajs.nodejs.CompilerSwitches.gteNodeJs10)
+
 @js.native
 trait WorkerThreads extends js.Object {
+  @enableMembersIf(io.scalajs.nodejs.CompilerSwitches.gteNodeJs10)
   def isMainThread: Boolean = js.native
 
+  @enableMembersIf(io.scalajs.nodejs.CompilerSwitches.gteNodeJs10)
   def parentPort: js.|[MessagePort, Null] = js.native
 
+  @enableMembersIf(io.scalajs.nodejs.CompilerSwitches.gteNodeJs10)
   def SHARE_ENV: js.Symbol = js.native
 
+  @enableMembersIf(io.scalajs.nodejs.CompilerSwitches.gteNodeJs10)
   def threadId: Int = js.native
 
+  @enableMembersIf(io.scalajs.nodejs.CompilerSwitches.gteNodeJs10)
   def workerData: js.Any = js.native
 
   @enableMembersIf(io.scalajs.nodejs.CompilerSwitches.gteNodeJs12)