first commit

src/main.ts

@@ -0,0 +1,8 @@
+import { startREPL } from "./repl.js"
+
+function main() {
+  startREPL();
+
+}
+
+main();

src/repl.test.ts

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+import { cleanInput } from "./repl.ts";
+import { describe, expect, test } from "vitest";
+
+describe.each([
+  {
+    input: " hello world ",
+    expected: ["hello", "world"],
+  },
+  {
+    input: " This is a Test ",
+    expected: ["this", "is", "a", "test"],
+  }
+])("cleanInput($input)", ({ input, expected }) => {
+  test(`Expected: ${expected}`, () => {
+    const actual = cleanInput(input);
+    expect(actual).toHaveLength(expected.length);
+    for (const i in expected) {
+      expect(actual[i]).toBe(expected[i]);
+    }
+  });
+});

src/repl.ts

@@ -0,0 +1,4 @@
+export function cleanInput(input: string): string[] {
+  const lowercaseString = input.toLowerCase();
+  return lowercaseString.trim().split(" ");
+}