JS: remove Kotlin.createClass/definePackage/etc functions from stdlib. Reimplement some classes in Kotlin

js/js.libraries/src/core/builtins.kt

@@ -31,3 +31,6 @@ internal fun arrayIterator(array: dynamic): MutableIterator<dynamic> {
         }
     }
 }
+
+@JsName("PropertyMetadata")
+internal class PropertyMetadata(val name: String)

js/js.libraries/src/core/console.kt

@@ -0,0 +1,88 @@
+/*
+ * Copyright 2010-2016 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+@JsName("BaseOutput")
+internal abstract class BaseOutput {
+    @JsName("println")
+    open fun println(a: Any?) {
+        if (js("typeof a") !== "undefined") {
+            print(a)
+        }
+        print("\n")
+    }
+
+    @JsName("print")
+    abstract fun print(a: Any?)
+
+    @JsName("flush")
+    open fun flush() {}
+}
+
+@JsName("NodeJsOutput")
+internal class NodeJsOutput(val outputStream: dynamic) : BaseOutput() {
+    override fun print(a: dynamic) = outputStream.write(a)
+}
+
+@JsName("OutputToConsoleLog")
+internal class OutputToConsoleLog : BaseOutput() {
+    override fun print(a: Any?) {
+        console.log(a)
+    }
+
+    override fun println(a: Any?) {
+        console.log(if (js("typeof a") !== "undefined") a else "")
+    }
+}
+
+@JsName("BufferedOutput")
+internal open class BufferedOutput : BaseOutput() {
+    var buffer = ""
+
+    override fun print(a: Any?) {
+        buffer += String(a)
+    }
+
+    override fun flush() {
+        buffer = ""
+    }
+}
+
+@JsName("BufferedOutputToConsoleLog")
+internal class BufferedOutputToConsoleLog : BufferedOutput() {
+    override fun print(a: Any?) {
+        var s = String(a)
+        val i = s.lastIndexOf('\n')
+        if (i >= 0) {
+            buffer += s.substring(0, i)
+            flush()
+            s = s.substring(i + 1)
+        }
+        buffer += s
+    }
+
+    override fun flush() {
+        console.log(buffer)
+        buffer = ""
+    }
+}
+
+@JsName("out")
+internal var `out` = {
+    val isNode: Boolean = js("typeof process !== 'undefined' && process.versions && !!process.versions.node")
+    if (isNode) NodeJsOutput(js("process.stdout")) else BufferedOutputToConsoleLog()
+}()
+
+private inline fun String(value: Any?): String = js("String(value)")