fix: Date.isDate to exclude NaN dates

medikoo · Mar 28, 2018 · 3b61bc6 · 3b61bc6
1 parent f1be285
commit 3b61bc6
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/date/is-date.js b/date/is-date.js
@@ -3,5 +3,8 @@
 var objToString = Object.prototype.toString, id = objToString.call(new Date());
 
 module.exports = function (value) {
-	return (value && (value instanceof Date || objToString.call(value) === id)) || false;
+	return (
+		(value && !isNaN(value) && (value instanceof Date || objToString.call(value) === id)) ||
+		false
+	);
 };
diff --git a/date/valid-date.js b/date/valid-date.js
@@ -3,6 +3,6 @@
 var isDate = require("./is-date");
 
 module.exports = function (value) {
-	if (!isDate(value) || isNaN(value)) throw new TypeError(value + " is not valid Date object");
+	if (!isDate(value)) throw new TypeError(value + " is not valid Date object");
 	return value;
 };