From f8aff38a6bdb13070d2b37da0e59aa9d04639d95 Mon Sep 17 00:00:00 2001
From: Kohei Watanabe <nebel@fogtype.com>
Date: Wed, 18 Sep 2024 15:05:26 +0900
Subject: [PATCH] accepts an IntegrityMetadata like object as input

---
 src/index.ts                           | 9 +++++++--
 test/integrity-metadata/constructor.js | 2 +-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/index.ts b/src/index.ts
index 7a1fed4..9e7d8b5 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -51,12 +51,17 @@ export class IntegrityMetadata implements IntegrityMetadataLike {
   alg: PrioritizedHashAlgorithm;
   val: string;
   opt: string[];
-  constructor(integrity: string | null | undefined) {
+  constructor(integrity: IntegrityMetadataLike | string | null | undefined) {
+    const integrityString =
+      typeof integrity === "object" && integrity !== null
+        ? IntegrityMetadata.stringify(integrity)
+        : String(integrity ?? "").trim();
+
     const {
       alg = "",
       val = "",
       opt,
-    } = IntegrityMetadataRegex.exec((integrity ?? "").trim())?.groups ?? {};
+    } = IntegrityMetadataRegex.exec(integrityString)?.groups ?? {};
 
     Object.assign(this, {
       alg,
diff --git a/test/integrity-metadata/constructor.js b/test/integrity-metadata/constructor.js
index f628ee4..a221514 100644
--- a/test/integrity-metadata/constructor.js
+++ b/test/integrity-metadata/constructor.js
@@ -50,7 +50,7 @@ test("accepts options", function () {
   });
 });
 
-test.todo("accepts an IntegrityMetadata like object as input", function () {
+test("accepts an IntegrityMetadata like object as input", function () {
   const integrityMetadata = new IntegrityMetadata({
     alg: "sha256",
     val: "MV9b23bQeMQ7isAGTkoBZGErH853yGk0W/yUx1iU7dM=",