1 files changed, 33 insertions, 0 deletions
diff --git a/src/node_modules/es-abstract/2019/MakeDay.js b/src/node_modules/es-abstract/2019/MakeDay.js
new file mode 100644
index 0000000..614c0fc
--- /dev/null
+++ b/src/node_modules/es-abstract/2019/MakeDay.js
@@ -0,0 +1,33 @@
+'use strict';
+
+var GetIntrinsic = require('../GetIntrinsic');
+
+var $DateUTC = GetIntrinsic('%Date.UTC%');
+
+var $isFinite = require('../helpers/isFinite');
+
+var DateFromTime = require('./DateFromTime');
+var Day = require('./Day');
+var floor = require('./floor');
+var modulo = require('./modulo');
+var MonthFromTime = require('./MonthFromTime');
+var ToInteger = require('./ToInteger');
+var YearFromTime = require('./YearFromTime');
+
+// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.12
+
+module.exports = function MakeDay(year, month, date) {
+	if (!$isFinite(year) || !$isFinite(month) || !$isFinite(date)) {
+		return NaN;
+	}
+	var y = ToInteger(year);
+	var m = ToInteger(month);
+	var dt = ToInteger(date);
+	var ym = y + floor(m / 12);
+	var mn = modulo(m, 12);
+	var t = $DateUTC(ym, mn, 1);
+	if (YearFromTime(t) !== ym || MonthFromTime(t) !== mn || DateFromTime(t) !== 1) {
+		return NaN;
+	}
+	return Day(t) + dt - 1;
+};