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1 files changed, 47 insertions, 0 deletions

diff --git a/src/node_modules/es-abstract/2019/MonthFromTime.js b/src/node_modules/es-abstract/2019/MonthFromTime.js
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index 0000000..4f120f2
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+++ b/src/node_modules/es-abstract/2019/MonthFromTime.js
@@ -0,0 +1,47 @@
+'use strict';
+
+var DayWithinYear = require('./DayWithinYear');
+var InLeapYear = require('./InLeapYear');
+
+// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.4
+
+module.exports = function MonthFromTime(t) {
+	var day = DayWithinYear(t);
+	if (0 <= day && day < 31) {
+		return 0;
+	}
+	var leap = InLeapYear(t);
+	if (31 <= day && day < (59 + leap)) {
+		return 1;
+	}
+	if ((59 + leap) <= day && day < (90 + leap)) {
+		return 2;
+	}
+	if ((90 + leap) <= day && day < (120 + leap)) {
+		return 3;
+	}
+	if ((120 + leap) <= day && day < (151 + leap)) {
+		return 4;
+	}
+	if ((151 + leap) <= day && day < (181 + leap)) {
+		return 5;
+	}
+	if ((181 + leap) <= day && day < (212 + leap)) {
+		return 6;
+	}
+	if ((212 + leap) <= day && day < (243 + leap)) {
+		return 7;
+	}
+	if ((243 + leap) <= day && day < (273 + leap)) {
+		return 8;
+	}
+	if ((273 + leap) <= day && day < (304 + leap)) {
+		return 9;
+	}
+	if ((304 + leap) <= day && day < (334 + leap)) {
+		return 10;
+	}
+	if ((334 + leap) <= day && day < (365 + leap)) {
+		return 11;
+	}
+};