main repo

node_modules/es-abstract/2024/MakeFullYear.js

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+'use strict';
+
+var $TypeError = require('es-errors/type');
+
+var ToIntegerOrInfinity = require('./ToIntegerOrInfinity');
+
+var isNaN = require('../helpers/isNaN');
+
+// https://262.ecma-international.org/15.0/#sec-makefullyear
+
+module.exports = function MakeFullYear(year) {
+	if (typeof year !== 'number') {
+		throw new $TypeError('Assertion failed: `year` must be a Number');
+	}
+
+	if (isNaN(year)) {
+		return NaN; // step 1
+	}
+
+	var truncated = ToIntegerOrInfinity(year); // step 2
+	if (0 <= truncated && truncated <= 99) {
+		return 1900 + truncated; // step 3
+	}
+
+	return truncated; // step 4
+};