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Diffstat (limited to 'node_modules/es-abstract/5/ToInteger.js')
-rw-r--r--node_modules/es-abstract/5/ToInteger.js22
1 files changed, 22 insertions, 0 deletions
diff --git a/node_modules/es-abstract/5/ToInteger.js b/node_modules/es-abstract/5/ToInteger.js
new file mode 100644
index 000000000..a95265b9e
--- /dev/null
+++ b/node_modules/es-abstract/5/ToInteger.js
@@ -0,0 +1,22 @@
+'use strict';
+
+var GetIntrinsic = require('../GetIntrinsic');
+
+var $Math = GetIntrinsic('%Math%');
+
+var ToNumber = require('./ToNumber');
+var $isNaN = require('../helpers/isNaN');
+var $isFinite = require('../helpers/isFinite');
+var $sign = require('../helpers/sign');
+
+var $floor = $Math.floor;
+var $abs = $Math.abs;
+
+// http://www.ecma-international.org/ecma-262/5.1/#sec-9.4
+
+module.exports = function ToInteger(value) {
+ var number = ToNumber(value);
+ if ($isNaN(number)) { return 0; }
+ if (number === 0 || !$isFinite(number)) { return number; }
+ return $sign(number) * $floor($abs(number));
+};