Add typescript

package-lock.json

@@ -23,6 +23,16 @@
         "resolve": "^1.17.0"
       }
     },
+    "@rollup/plugin-typescript": {
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/@rollup/plugin-typescript/-/plugin-typescript-5.0.2.tgz",
+      "integrity": "sha512-CkS028Itwjqm1uLbFVfpJgtVtnNvZ+og/m6UlNRR5wOOnNTWPcVQzOu5xGdEX+WWJxdvWIqUq2uR/RBt2ZipWg==",
+      "dev": true,
+      "requires": {
+        "@rollup/pluginutils": "^3.0.1",
+        "resolve": "^1.14.1"
+      }
+    },
     "@rollup/pluginutils": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/@rollup/pluginutils/-/pluginutils-3.1.0.tgz",
@@ -133,6 +143,18 @@
       "requires": {
         "fsevents": "~2.1.2"
       }
+    },
+    "tslib": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.0.1.tgz",
+      "integrity": "sha512-SgIkNheinmEBgx1IUNirK0TUD4X9yjjBRTqqjggWCU3pUEqIk3/Uwl3yRixYKT6WjQuGiwDv4NomL3wqRCj+CQ==",
+      "dev": true
+    },
+    "typescript": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.0.2.tgz",
+      "integrity": "sha512-e4ERvRV2wb+rRZ/IQeb3jm2VxBsirQLpQhdxplZ2MEzGvDkkMmPglecnNDfSUBivMjP93vRbngYYDQqQ/78bcQ==",
+      "dev": true
     }
   }
 }