1 files changed, 22 insertions, 10 deletions
diff --git a/src/index.ts b/src/index.ts
index 65349fc..01420c8 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,15 +1,27 @@
+import { program } from 'commander'
 import { createContext } from './context'
-import { evalList } from './eval'
+import { cleanup, evalList } from './eval'
 
-const main = async () => {
-  const ctx = createContext()
-  const resultType = ctx.entryPoint.getType()
-  const effects = resultType.isTuple()
-    ? resultType.getTupleElements()
-    : [resultType]
-  await evalList(ctx, effects)
+const main = () => {
+  program
+    .name('ts-types-lang')
+    .description(`A runtime for typescript's type system that turns it into a general purpose, purely functional programming language!`)
+
+  program
+    .command('run')
+    .description('Run a typescript .ts file')
+    .argument('<file>', 'Typescript file to run')
+    .action(async (filePath) => {
+      const ctx = createContext({ filePath })
+      const resultType = ctx.entryPoint.getType()
+      const effects = resultType.isTuple()
+        ? resultType.getTupleElements()
+        : [resultType]
+      await evalList(ctx, effects)
+    })
+
+  return program.parseAsync()
 }
 
 main()
-  .then(() => process.exit(0))
-  .catch((e) => (console.error(e), process.exit(1)))
+  .finally(() => cleanup())