[backend] fix: 修复异常处理和类型转换问题

2026-01-26 11:53:40 +08:00
parent 7ccc2a6ac6
commit 83e05bf85f
28639 changed files with 2506458 additions and 93 deletions
@@ -0,0 +1,18 @@
+'use strict';
+
+var ToNumber = require('./ToNumber');
+
+var abs = require('math-intrinsics/abs');
+var floor = require('math-intrinsics/floor');
+var $isNaN = require('math-intrinsics/isNaN');
+var $isFinite = require('math-intrinsics/isFinite');
+var $sign = require('math-intrinsics/sign');
+
+// http://262.ecma-international.org/5.1/#sec-9.4
+
+module.exports = function ToInteger(value) {
+	var number = ToNumber(value);
+	if ($isNaN(number)) { return 0; }
+	if (number === 0 || !$isFinite(number)) { return number; }
+	return $sign(number) * floor(abs(number));
+};