Switch to MacrotaskExecutor on JS

build.sbt

@@ -29,6 +29,7 @@ val catsEffect_Version = "2.5.1"
 val fs2_Version = "2.4.4"
 val jcTools_Version = "3.3.0"
 val reactiveStreams_Version = "1.0.3"
+val macrotaskExecutor_Version = "1.0.0"
 val minitest_Version = "2.9.6"
 val implicitBox_Version = "0.3.4"
 val kindProjector_Version = "0.12.0"
@@ -77,6 +78,10 @@ lazy val reactiveStreamsLib =
 lazy val reactiveStreamsTCKLib =
   "org.reactivestreams" % "reactive-streams-tck" % reactiveStreams_Version
 
+/** [[https://github.com/scala-js/scala-js-macrotask-executor]] */
+lazy val macrotaskExecutorLib =
+  Def.setting { "org.scala-js" %%% "scala-js-macrotask-executor" % macrotaskExecutor_Version }
+
 /** [[https://github.com/typelevel/kind-projector]]  */
 lazy val kindProjectorCompilerPlugin =
   "org.typelevel" % "kind-projector" % kindProjector_Version cross CrossVersion.full
@@ -559,6 +564,7 @@ lazy val executionJVM = project.in(file("monix-execution/jvm"))
 lazy val executionJS = project.in(file("monix-execution/js"))
   .configure(executionProfile.js)
   .settings(macroDependencies)
+  .settings(libraryDependencies += macrotaskExecutorLib.value)
 
 // --------------------------------------------
 // monix-catnap

monix-execution/js/src/main/scala/monix/execution/schedulers/SchedulerCompanionImpl.scala

@@ -18,6 +18,7 @@
 package monix.execution.schedulers
 
 import monix.execution.{Scheduler, SchedulerCompanion, UncaughtExceptionReporter, ExecutionModel => ExecModel}
+import org.scalajs.macrotaskexecutor.MacrotaskExecutor
 import scala.concurrent.ExecutionContext
 
 private[execution] class SchedulerCompanionImpl extends SchedulerCompanion {
@@ -30,14 +31,14 @@ private[execution] class SchedulerCompanionImpl extends SchedulerCompanion {
     *        [[monix.execution.ExecutionModel ExecutionModel]],
     *        a guideline for run-loops and producers of data.
     */
-  def apply(context: ExecutionContext = StandardContext, executionModel: ExecModel = ExecModel.Default): Scheduler =
+  def apply(context: ExecutionContext = MacrotaskExecutor, executionModel: ExecModel = ExecModel.Default): Scheduler =
     AsyncScheduler(context, executionModel)
 
   def apply(ec: ExecutionContext, reporter: UncaughtExceptionReporter): Scheduler =
     AsyncScheduler(ec, ExecModel.Default, reporter)
 
   def apply(reporter: UncaughtExceptionReporter, execModel: ExecModel): Scheduler =
-    AsyncScheduler(StandardContext, execModel, reporter)
+    AsyncScheduler(MacrotaskExecutor, execModel, reporter)
   /** Builds a [[monix.execution.schedulers.TrampolineScheduler TrampolineScheduler]].
     *
     * @param underlying is the [[monix.execution.Scheduler Scheduler]]

monix-execution/js/src/test/scala/monix/execution/internal/AsyncSchedulerJSSuite.scala

@@ -20,18 +20,16 @@ package monix.execution.internal
 import minitest.TestSuite
 import monix.execution.atomic.Atomic
 import monix.execution.cancelables.SingleAssignCancelable
-import monix.execution.schedulers.{AsyncScheduler, StandardContext}
+import monix.execution.schedulers.AsyncScheduler
 import monix.execution.{ExecutionModel, Scheduler, TestUtils, UncaughtExceptionReporter}
+import org.scalajs.macrotaskexecutor.MacrotaskExecutor
 
 import scala.concurrent.Promise
 import scala.concurrent.duration._
 
 object AsyncSchedulerJSSuite extends TestSuite[Scheduler] with TestUtils {
   val lastReported = Atomic(null: Throwable)
-  val reporter = new StandardContext(new UncaughtExceptionReporter {
-    def reportFailure(ex: Throwable): Unit =
-      lastReported set ex
-  })
+  val reporter = MacrotaskExecutor
 
   def setup(): Scheduler = {
     lastReported.set(null)

project/plugins.sbt

@@ -1,4 +1,4 @@
-addSbtPlugin("org.scala-js"              % "sbt-scalajs"             % "1.5.1")
+addSbtPlugin("org.scala-js"              % "sbt-scalajs"             % "1.7.1")
 addSbtPlugin("com.eed3si9n"              % "sbt-unidoc"              % "0.4.3")
 addSbtPlugin("pl.project13.scala"        % "sbt-jmh"                 % "0.4.2")
 addSbtPlugin("com.typesafe"              % "sbt-mima-plugin"         % "0.9.1")