fix(tslib): #286

Author: bluelovers

package.json

@@ -30,6 +30,7 @@
   },
   "dependencies": {
     "@rollup/pluginutils": "^4.1.0",
+    "@yarn-tool/resolve-package": "^1.0.36",
     "find-cache-dir": "^3.3.1",
     "fs-extra": "8.1.0",
     "resolve": "1.20.0",

src/tslib.ts

@@ -8,8 +8,9 @@ export let tslibVersion: string;
 try
 {
 	// tslint:disable-next-line:no-string-literal no-var-requires
-	const tslibPackage = require("tslib/package.json");
-	const tslibPath = require.resolve("tslib/" + tslibPackage.module);
+	const _ = require("@yarn-tool/resolve-package").resolvePackage('tslib');
+	const tslibPackage = _.pkg;
+	const tslibPath = _.resolveLocation(tslibPackage.module);
 	tslibSource = readFileSync(tslibPath, "utf8");
 	tslibVersion = tslibPackage.version;
 } catch (e)