1 files changed, 21 insertions, 0 deletions
diff --git a/node_modules/es-abstract/2017/IsInteger.js b/node_modules/es-abstract/2017/IsInteger.js
new file mode 100644
index 000000000..0f488b39a
--- /dev/null
+++ b/node_modules/es-abstract/2017/IsInteger.js
@@ -0,0 +1,21 @@
+'use strict';
+
+var GetIntrinsic = require('../GetIntrinsic');
+
+var $Math = GetIntrinsic('%Math%');
+
+var $floor = $Math.floor;
+var $abs = $Math.abs;
+
+var $isNaN = require('../helpers/isNaN');
+var $isFinite = require('../helpers/isFinite');
+
+// https://www.ecma-international.org/ecma-262/6.0/#sec-isinteger
+
+module.exports = function IsInteger(argument) {
+	if (typeof argument !== 'number' || $isNaN(argument) || !$isFinite(argument)) {
+		return false;
+	}
+	var abs = $abs(argument);
+	return $floor(abs) === abs;
+};