chushihua

node_modules/es-abstract/2020/ToUint16.js

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+'use strict';
+
+var abs = require('./abs');
+var floor = require('./floor');
+var modulo = require('./modulo');
+var ToNumber = require('./ToNumber');
+
+var $isNaN = require('../helpers/isNaN');
+var $isFinite = require('../helpers/isFinite');
+var $sign = require('../helpers/sign');
+
+// http://262.ecma-international.org/5.1/#sec-9.7
+
+module.exports = function ToUint16(value) {
+	var number = ToNumber(value);
+	if ($isNaN(number) || number === 0 || !$isFinite(number)) { return 0; }
+	var posInt = $sign(number) * floor(abs(number));
+	return modulo(posInt, 0x10000);
+};