refactor: improve object.is

medikoo · Apr 2, 2019 · 6e3aa0b · 6e3aa0b
1 parent 527c0b9
commit 6e3aa0b
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/object/is.js b/object/is.js
@@ -2,8 +2,10 @@
 
 var isValue = require("../value/is");
 
+// prettier-ignore
+var possibleTypes = { "object": true, "function": true, "undefined": true /* document.all */ };
+
 module.exports = function (value) {
 	if (!isValue(value)) return false;
-	var type = typeof value;
-	return type === "object" || type === "function" || type === "undefined"; // document.all
+	return hasOwnProperty.call(possibleTypes, typeof value);
 };