feat: add set methods

Author: xcfio

package.json

@@ -39,4 +39,3 @@
         "@types/node": "^25.5.2"
     }
 }
-

src/index.ts

@@ -1,11 +1,17 @@
 import { DatabaseSync, DatabaseSyncOptions } from "node:sqlite"
 export { version } from "../package.json"
 
-export class SqliteMap<K, V> {
+export class SqliteMap<K extends string, V> {
     private db: DatabaseSync
 
     constructor(path: string, options?: DatabaseSyncOptions) {
         this.db = new DatabaseSync(path, options)
         this.db.exec("CREATE TABLE IF NOT EXISTS map (key TEXT PRIMARY KEY, value TEXT)")
     }
+
+    set(key: K, data: V): this {
+        const stmt = this.db.prepare(`INSERT OR REPLACE INTO cache (key, value) VALUES (?, ?)`)
+        stmt.run(String(key), JSON.stringify(data), Date.now())
+        return this
+    }
 }