1 files changed, 67 insertions, 0 deletions
diff --git a/tools/js/src/main/scala/scala/scalajs/tools/classpath/builder/NodeFileSystem.scala b/tools/js/src/main/scala/scala/scalajs/tools/classpath/builder/NodeFileSystem.scala
new file mode 100644
index 0000000..d1eee10
--- /dev/null
+++ b/tools/js/src/main/scala/scala/scalajs/tools/classpath/builder/NodeFileSystem.scala
@@ -0,0 +1,67 @@
+package scala.scalajs.tools.classpath.builder
+
+import scala.scalajs.tools.io._
+
+import scala.scalajs.js
+
+import scala.collection.immutable.Traversable
+
+import java.io._
+
+/** FileSystem implementation using Node.js */
+trait NodeFileSystem extends FileSystem {
+
+  import NodeFileSystem.fs
+
+  type File = String
+
+  private def stats(f: String) = fs.statSync(f)
+
+  val DummyVersion: String = "DUMMY_FILE"
+
+  def isDirectory(f: String): Boolean =
+    stats(f).isDirectory().asInstanceOf[Boolean]
+
+  def isFile(f: String): Boolean =
+    stats(f).isFile().asInstanceOf[Boolean]
+
+  def isJSFile(f: String): Boolean =
+    isFile(f) && f.endsWith(".js")
+
+  def isIRFile(f: String): Boolean =
+    isFile(f) && f.endsWith(".sjsir")
+
+  def isJARFile(f: String): Boolean =
+    isFile(f) && f.endsWith(".jar")
+
+  def exists(f: String): Boolean =
+    fs.existsSync(f).asInstanceOf[Boolean]
+
+  def getName(f: String): String =
+    VirtualFile.nameFromPath(f)
+
+  def getAbsolutePath(f: String): String =
+    fs.realpathSync(f).asInstanceOf[String]
+
+  def getVersion(f: String): String =
+    stats(f).mtime.asInstanceOf[js.Date].getTime.toString
+
+  def listFiles(d: String): Traversable[String] = {
+    require(isDirectory(d))
+    val prefix = if (d.endsWith("/")) d else d + "/"
+
+    fs.readdirSync(d).asInstanceOf[js.Array[String]].toList.map(prefix + _)
+  }
+
+  def toJSFile(f: String): VirtualJSFile = new NodeVirtualJSFile(f)
+  def toIRFile(f: String): VirtualScalaJSIRFile = new NodeVirtualScalaJSIRFile(f)
+  def toReader(f: String): Reader =
+    new NodeVirtualTextFile(f).reader
+  def toInputStream(f: String): InputStream =
+    new NodeVirtualBinaryFile(f).inputStream
+
+}
+
+private object NodeFileSystem {
+  private val fs = js.Dynamic.global.require("fs")
+}