1 files changed, 18 insertions, 0 deletions
diff --git a/node_modules/es-abstract/2017/DaysInYear.js b/node_modules/es-abstract/2017/DaysInYear.js
new file mode 100644
index 0000000..db32251
--- /dev/null
+++ b/node_modules/es-abstract/2017/DaysInYear.js
@@ -0,0 +1,18 @@
+'use strict';
+
+var mod = require('../helpers/mod');
+
+// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.3
+
+module.exports = function DaysInYear(y) {
+	if (mod(y, 4) !== 0) {
+		return 365;
+	}
+	if (mod(y, 100) !== 0) {
+		return 366;
+	}
+	if (mod(y, 400) !== 0) {
+		return 365;
+	}
+	return 366;
+};