feat: 초기 프로젝트 설정 및 룰.md 파일 추가

api.hyungi.net/node_modules/@simplewebauthn/server/script/helpers/decodeAuthenticatorExtensions.js

@@ -0,0 +1,37 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.decodeAuthenticatorExtensions = decodeAuthenticatorExtensions;
+const index_js_1 = require("./iso/index.js");
+/**
+ * Convert authenticator extension data buffer to a proper object
+ *
+ * @param extensionData Authenticator Extension Data buffer
+ */
+function decodeAuthenticatorExtensions(extensionData) {
+    let toCBOR;
+    try {
+        toCBOR = index_js_1.isoCBOR.decodeFirst(extensionData);
+    }
+    catch (err) {
+        const _err = err;
+        throw new Error(`Error decoding authenticator extensions: ${_err.message}`);
+    }
+    return convertMapToObjectDeep(toCBOR);
+}
+/**
+ * CBOR-encoded extensions can be deeply-nested Maps, which are too deep for a simple
+ * `Object.entries()`. This method will recursively make sure that all Maps are converted into
+ * basic objects.
+ */
+function convertMapToObjectDeep(input) {
+    const mapped = {};
+    for (const [key, value] of input) {
+        if (value instanceof Map) {
+            mapped[key] = convertMapToObjectDeep(value);
+        }
+        else {
+            mapped[key] = value;
+        }
+    }
+    return mapped;
+}