From 5ad019029bc22ff38820c682c66519a352eba58e Mon Sep 17 00:00:00 2001
From: Kohei Watanabe <nebel@fogtype.com>
Date: Wed, 18 Sep 2024 14:48:24 +0900
Subject: [PATCH] trims leading and trailing whitespace

---
 src/index.ts                           | 5 ++---
 test/integrity-metadata/constructor.js | 4 ++--
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/index.ts b/src/index.ts
index 3f5b411..7a1fed4 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -51,13 +51,12 @@ export class IntegrityMetadata implements IntegrityMetadataLike {
   alg: PrioritizedHashAlgorithm;
   val: string;
   opt: string[];
-
-  constructor(integrity: string) {
+  constructor(integrity: string | null | undefined) {
     const {
       alg = "",
       val = "",
       opt,
-    } = IntegrityMetadataRegex.exec(integrity)?.groups ?? {};
+    } = IntegrityMetadataRegex.exec((integrity ?? "").trim())?.groups ?? {};
 
     Object.assign(this, {
       alg,
diff --git a/test/integrity-metadata/constructor.js b/test/integrity-metadata/constructor.js
index c6df9bc..f628ee4 100644
--- a/test/integrity-metadata/constructor.js
+++ b/test/integrity-metadata/constructor.js
@@ -64,9 +64,9 @@ test.todo("accepts an IntegrityMetadata like object as input", function () {
   );
 });
 
-test.todo("trims leading and trailing whitespace", function () {
+test("trims leading and trailing whitespace", function () {
   const integrityMetadata = new IntegrityMetadata(
-    "\t  sha256-MV9b23bQeMQ7isAGTkoBZGErH853yGk0W/yUx1iU7dM=\u0020\u00a0\u1680\u180e\u2000\u2001\u2002\u3000",
+    "\t  sha256-MV9b23bQeMQ7isAGTkoBZGErH853yGk0W/yUx1iU7dM=\u0020\u00a0\u1680\u2000\u2001\u2002\u3000",
   );
 
   assert.deepEqual(