Fix nodejs support.

dough-core/src/jsMain/kotlin/gay/pizza/dough/core/JsPlatformType.kt

@@ -6,18 +6,16 @@ enum class JsPlatformType {
   Unknown;
 
   companion object {
-    fun current(): JsPlatformType {
-      val isWindowAvailable = js("typeof window") != undefined
-      val isProcessAvailable = js("typeof process") != undefined
+    val current: JsPlatformType
+      get() {
+        val isWindowAvailable = js("typeof window") != undefined
+        val isProcessAvailable = js("typeof process") != undefined
 
-      if (isProcessAvailable) {
-        return Nodejs
+        return when {
+          isProcessAvailable -> Nodejs
+          isWindowAvailable -> Browser
+          else -> Unknown
+        }
       }
-
-      if (isWindowAvailable) {
-        return Browser
-      }
-      return Unknown
-    }
   }
 }

dough-core/src/jsMain/kotlin/gay/pizza/dough/core/StandardClockProvider.kt

@@ -2,8 +2,9 @@ package gay.pizza.dough.core
 
 import gay.pizza.dough.core.time.ClockProvider
 import gay.pizza.dough.core.time.UnixTime
+import kotlin.js.Date
 
 object StandardClockProvider : ClockProvider {
   override fun now(): UnixTime =
-    UnixTime(js("(new Date()).getTime()") as Long)
+    UnixTime(Date().getTime().toLong())
 }