added tslib dev lib because of this issue https://github.com/ezolenko/rollup-plugin-typescript2/issues/12\#issuecomment-536173372

Author: apperside

package.json

@@ -91,6 +91,7 @@
     "rollup-plugin-typescript2": "^0.31.1",
     "ts-jest": "^26.5.6",
     "tsd": "^0.20.0",
+    "tslib": "^2.4.0",
     "typedoc": "^0.22.15",
     "typedoc-plugin-markdown": "^3.12.1",
     "typescript": "^4.2.4"

yarn.lock

@@ -12987,6 +12987,11 @@ tslib@^2.3.1:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.3.1.tgz#e8a335add5ceae51aa261d32a490158ef042ef01"
   integrity sha512-77EbyPPpMz+FRFRuAFlWMtmgUWGe9UOG2Z25NqCwiIjRhOf5iKGuzSe5P2w1laq+FkRy4p+PCuVkJSGkzTEKVw==
 
+tslib@^2.4.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
+  integrity sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==
+
 tsutils@^3.17.1:
   version "3.21.0"
   resolved "https://registry.npmjs.org/tsutils/-/tsutils-3.21.0.tgz"