chore: init read-star monorepo

packages/utils/src/crypto.ts

@@ -0,0 +1,28 @@
+import CryptoJS from 'crypto-js'
+
+export class Crypto<T extends object> {
+  /** Secret */
+  secret: string
+
+  constructor(secret: string) {
+    this.secret = secret
+  }
+
+  encrypt(data: T): string {
+    const dataString = JSON.stringify(data)
+    const encrypted = CryptoJS.AES.encrypt(dataString, this.secret)
+    return encrypted.toString()
+  }
+
+  decrypt(encrypted: string) {
+    const decrypted = CryptoJS.AES.decrypt(encrypted, this.secret)
+    const dataString = decrypted.toString(CryptoJS.enc.Utf8)
+    try {
+      return JSON.parse(dataString) as T
+    }
+    catch {
+      // avoid parse error
+      return null
+    }
+  }
+}