Fixed 267U.pre2

2026-07-26 18:25:37 +09:00
parent 50bfaeafdf
commit 317d00a284
1286 changed files with 80222 additions and 1 deletions
@@ -0,0 +1,15 @@
+// structredCloneが遅いため
+// SEE: http://var.blog.jp/archives/86038606.html
+export function deepClone(x) {
+    if (typeof x === "object") {
+        if (x === null) return x;
+        if (Array.isArray(x)) return x.map(deepClone);
+        const obj = {};
+        for (const [k, v] of Object.entries(x)){
+            obj[k] = deepClone(v);
+        }
+        return obj;
+    } else {
+        return x;
+    }
+}