1 files changed, 27 insertions, 0 deletions
diff --git a/engine/utils/coding.ts b/engine/utils/coding.ts
new file mode 100644
index 0000000..3f78889
--- /dev/null
+++ b/engine/utils/coding.ts
@@ -0,0 +1,27 @@
+const replacer = (_key: any, value: any) => {
+  if (value instanceof Map) {
+    return {
+      dataType: 'Map',
+      value: Array.from(value.entries())
+    };
+  } else {
+    return value;
+  }
+};
+
+const reviver = (_key: any, value: any) => {
+  if (typeof value === 'object' && value !== null) {
+    if (value.dataType === 'Map') {
+      return new Map(value.value);
+    }
+  }
+  return value;
+};
+
+export const stringify = (obj: any) => {
+  return JSON.stringify(obj, replacer);
+};
+
+export const parse = <T>(str: string) => {
+  return JSON.parse(str, reviver) as unknown as T;
+};