home1022

2025-10-22 08:19:00 +08:00
parent 467b04e5b0
commit 97fbfe08d7
6040 changed files with 529099 additions and 9685 deletions
@@ -0,0 +1,21 @@
+'use strict';
+
+var modulo = require('./modulo');
+var ToNumber = require('./ToNumber');
+var truncate = require('./truncate');
+
+var isFinite = require('math-intrinsics/isFinite');
+
+// https://262.ecma-international.org/14.0/#sec-touint16
+
+var two16 = 0x10000; // Math.pow(2, 16)
+
+module.exports = function ToUint16(argument) {
+	var number = ToNumber(argument);
+	if (!isFinite(number) || number === 0) {
+		return 0;
+	}
+	var int = truncate(number);
+	var int16bit = modulo(int, two16);
+	return int16bit === 0 ? 0 : int16bit; // in the spec, these are math values, so we filter out -0 here
+};