1 files changed, 16 insertions, 0 deletions
diff --git a/tools/shared/src/main/scala/scala/scalajs/tools/optimizer/JSTreeBuilder.scala b/tools/shared/src/main/scala/scala/scalajs/tools/optimizer/JSTreeBuilder.scala
new file mode 100644
index 0000000..3d37a56
--- /dev/null
+++ b/tools/shared/src/main/scala/scala/scalajs/tools/optimizer/JSTreeBuilder.scala
@@ -0,0 +1,16 @@
+package scala.scalajs.tools.optimizer
+
+import scala.scalajs.ir
+import scala.scalajs.tools.javascript
+
+/** An abstract builder taking IR or JSTrees */
+trait JSTreeBuilder {
+  /** Add a JavaScript tree representing a statement.
+   *  The tree must be a valid JavaScript tree (typically obtained by
+   *  desugaring a full-fledged IR tree).
+   */
+  def addJSTree(tree: javascript.Trees.Tree): Unit
+
+  /** Completes the builder. */
+  def complete(): Unit = ()
+}