From 39b4a6d8a6bb99279899b8040a700f42dbe2c3de Mon Sep 17 00:00:00 2001
From: CrescentLeaf <crescentleaf@noreply.codeberg.org>
Date: Sat, 4 Oct 2025 14:07:21 +0800
Subject: [PATCH] =?UTF-8?q?chore:=20=E6=B7=BB=E5=8A=A0=20Map=20=E5=BA=8F?=
 =?UTF-8?q?=E5=88=97=E5=8C=96=E7=9B=B8=E5=85=B3=E8=BE=85=E5=8A=A9=E7=B1=BB?=
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---
 client/MapJson.ts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 client/MapJson.ts

diff --git a/client/MapJson.ts b/client/MapJson.ts
new file mode 100644
index 0000000..be64c19
--- /dev/null
+++ b/client/MapJson.ts
@@ -0,0 +1,20 @@
+// https://stackoverflow.com/questions/29085197/how-do-you-json-stringify-an-es6-map
+
+export default class MapJson {
+    static replacer(key: unknown, value: unknown) {
+        if (value instanceof Map) {
+            return {
+                dataType: 'Map',
+                value: Array.from(value.entries()), // or with spread: value: [...value]
+            }
+        } else {
+            return value
+        }
+    }
+    static reviver(key: unknown, value: any) {
+        if (value?.dataType === 'Map') {
+            return new Map(value.value)
+        }
+        return value
+    }
+}
\ No newline at end of file