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scalaJSLinkerConfig ~= {
_.withESFeatures(_.withESVersion(ESVersion.ES2020))
}
ThisBuild / scalaVersion := "2.13.11"
"dev.optics" %%% "monocle-core" % "3.2.0",
"dev.optics" %%% "monocle-macro" % "3.2.0"
i'm running this scalatest scala.js test from intellij:
case class Chat(history:List[String])
chat.focus(_.history).replace(Nil)It doesn't like to run the focus(_.history):
An exception or error caused a run to abort. This may have been caused by a problematic custom reporter.
java.lang.IncompatibleClassChangeError: class com.my.FooBarSpec$$anon$1 can not implement monocle.PLens, because it is not an interface (monocle.PLens is in unnamed module of loader 'app')
at java.base/java.lang.ClassLoader.defineClass1(Native Method)
at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1017)
at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150)
at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:862)
at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:760)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:681)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:639)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:525)
at java.base/java.lang.Class.getDeclaredConstructors0(Native Method)
at java.base/java.lang.Class.privateGetDeclaredConstructors(Class.java:3373)
at java.base/java.lang.Class.getConstructor0(Class.java:3578)
at java.base/java.lang.Class.getConstructor(Class.java:2271)
at org.scalatest.tools.SuiteDiscoveryHelper$.isAccessibleSuite(SuiteDiscoveryHelper.scala:180)
at org.scalatest.tools.SuiteDiscoveryHelper$.isAccessibleSuite(SuiteDiscoveryHelper.scala:190)
at org.scalatest.tools.Runner$.$anonfun$doRunRunRunDaDoRunRun$6(Runner.scala:1180)
at org.scalatest.tools.Runner$.$anonfun$doRunRunRunDaDoRunRun$6$adapted(Runner.scala:1177)
.....