diff --git a/src/typescript-ast-nodes.js b/src/typescript-ast-nodes.js
index 72eedd8b..da2a8305 100644
--- a/src/typescript-ast-nodes.js
+++ b/src/typescript-ast-nodes.js
@@ -31,7 +31,10 @@ module.exports = function(fork) {
     .field("elementTypes", [def("TSType")])
     .bases("Node");
 
-  def("TSArrayType").bases("Node");
+  def("TSArrayType")
+    .build("elementType")
+    .field("elementType", def("TSType"))
+    .bases("Node");
 
   def("TypeElement").bases("Node");
 
diff --git a/tests/typescript_array/__snapshots__/jsfmt.spec.js.snap b/tests/typescript_array/__snapshots__/jsfmt.spec.js.snap
new file mode 100644
index 00000000..b971a247
--- /dev/null
+++ b/tests/typescript_array/__snapshots__/jsfmt.spec.js.snap
@@ -0,0 +1,22 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`comment.js 1`] = `
+export class ViewTokensChangedEvent {
+  public readonly ranges: {
+    /**
+     * Start line number of range
+     */
+    readonly fromLineNumber: number;
+  }[];
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+export class ViewTokensChangedEvent {
+  public ranges: {
+    /**
+     * Start line number of range
+     */
+    readonly fromLineNumber: number
+  }[];
+}
+
+`;
diff --git a/tests/typescript_array/comment.js b/tests/typescript_array/comment.js
new file mode 100644
index 00000000..fc83357c
--- /dev/null
+++ b/tests/typescript_array/comment.js
@@ -0,0 +1,8 @@
+export class ViewTokensChangedEvent {
+  public readonly ranges: {
+    /**
+     * Start line number of range
+     */
+    readonly fromLineNumber: number;
+  }[];
+}
diff --git a/tests/typescript_array/jsfmt.spec.js b/tests/typescript_array/jsfmt.spec.js
new file mode 100644
index 00000000..bc085c48
--- /dev/null
+++ b/tests/typescript_array/jsfmt.spec.js
@@ -0,0 +1 @@
+run_spec(__dirname, { parser: "typescript" });