Add target to compiler option of tsconfig

Author: bidoubiwa

tsconfig.json

@@ -8,9 +8,9 @@
       "declarationMap": true,
       "declarationDir": "./dist/types",
       "allowSyntheticDefaultImports": true,
+      "target": "esnext",
       "lib": ["ES2019", "ESNext", "dom"],
       "moduleResolution": "node",
-
       "noImplicitAny": true,
       "strictNullChecks": true,
       "strictFunctionTypes": true,