diff --git a/scripts/compile-testcases.ts b/scripts/compile-testcases.ts
deleted file mode 100644
index 7f02c02..0000000
--- a/scripts/compile-testcases.ts
+++ /dev/null
@@ -1,13 +0,0 @@
-import { compile } from 'node-elm-compiler';
-
-// - Compile examples in `testcases/*` folder as js
-// Run whatever transformations we want on them, saving steps as `elm.{transformation}.js`
-compile(['Main.elm'], {
-  output: 'output/elm.js',
-  cwd: 'testcases/simple',
-});
-compile(['Main.elm'], {
-  output: 'output/elm.opt.js',
-  cwd: 'testcases/simple',
-  optimize: true,
-});
diff --git a/src/compile-testcases.ts b/src/compile-testcases.ts
new file mode 100644
index 0000000..f8e10de
--- /dev/null
+++ b/src/compile-testcases.ts
@@ -0,0 +1,30 @@
+import { compile } from 'node-elm-compiler';
+import Parser from 'tree-sitter';
+import Elm from 'tree-sitter-elm';
+import * as fs from 'fs';
+// Compile examples in `testcases/*` folder as js
+// Run whatever transformations we want on them, saving steps as `elm.{transformation}.js`
+compile(['Main.elm'], {
+  output: 'output/elm.js',
+  cwd: 'testcases/simple',
+});
+compile(['Main.elm'], {
+  output: 'output/elm.opt.js',
+  cwd: 'testcases/simple',
+  optimize: true,
+});
+
+// Parse the elm file using tree sitter
+const elmParser = new Parser();
+elmParser.setLanguage(Elm);
+
+const parseElm = (filename: string) => {
+  const source = fs.readFileSync(filename, 'utf8');
+  console.log(source);
+  const tree = elmParser.parse(source);
+  console.log(tree);
+};
+
+const result = parseElm('./testcases/simple/Main.elm');
+
+console.log(result);