From 02ce3af7152cdb0b752594ca910c86ce50f05010 Mon Sep 17 00:00:00 2001
From: Ardis Lu <ardisglu@gmail.com>
Date: Mon, 4 Sep 2023 13:27:47 -0700
Subject: [PATCH] Fix whitespace parsing

---
 main.ts      | 5 ++++-
 main_test.ts | 7 +++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/main.ts b/main.ts
index 15cb401..62d32cc 100644
--- a/main.ts
+++ b/main.ts
@@ -2,7 +2,10 @@ export function parseInput(input: string | null) {
   if (input === null) {
     throw new Error("No seed phrase entered.");
   }
-  const words = input.split(/\s/g).map((w) => w.trim());
+  const words = input
+    .trim()
+    .replaceAll(/\s+/g, " ")
+    .split(" ").map((w) => w.trim());
   if (words.length % 2 === 1) {
     throw new Error("Seed phrase length must be even.");
   }
diff --git a/main_test.ts b/main_test.ts
index e4267be..8b30638 100644
--- a/main_test.ts
+++ b/main_test.ts
@@ -14,6 +14,13 @@ Deno.test("parseInput throws on invalid length", () => {
   assertThrows(() => parseInput("test test test"));
 });
 
+Deno.test("parseInput collapses whitespace correctly", () => {
+  const words = parseInput(
+    "     \n\ntest     \n\ntest test  test test test\ntest\n     \n\ntest     \n\n",
+  );
+  assertEquals(words.length, 8);
+});
+
 Deno.test("parseInput parses 12 word seed phrase", () => {
   const words = parseInput(
     "test test test test test test test test test test test junk",
-- 
2.47.3