Update scripts

scripts/models/language.ts

@@ -1,14 +1,27 @@
-type LanguageData = {
-  code: string
-  name: string
-}
+import type { LanguageData, LanguageSerializedData } from '../types/language'
 
 export class Language {
   code: string
   name: string
 
-  constructor(data: LanguageData) {
+  constructor(data?: LanguageData) {
+    if (!data) return
+
     this.code = data.code
     this.name = data.name
   }
+
+  serialize(): LanguageSerializedData {
+    return {
+      code: this.code,
+      name: this.name
+    }
+  }
+
+  deserialize(data: LanguageSerializedData): this {
+    this.code = data.code
+    this.name = data.name
+
+    return this
+  }
 }