fix(ua): Fix the side-effect by refactoring (#898)

Update on getting global Side-effect caused by: 9d6de8
naver · May 24, 2019 · d00d903 · d00d903
1 parent 35754ca
commit d00d903
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/src/internals/browser.js b/src/internals/browser.js
@@ -7,9 +7,13 @@
  * @module
  * @ignore
  */
-/* eslint-disable no-undef */
-const win = globalThis || window || self || global;
-/* eslint-enable no-undef */
+/* eslint-disable no-new-func, no-undef */
+const win = (() => {
+	const def = o => typeof o !== "undefined" && o;
+
+	return def(self) || def(window) || def(global) || def(globalThis) || Function("return this")();
+})();
+/* eslint-enable no-new-func, no-undef */
 
 const doc = win && win.document;