[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 +1,14 @@
+'use strict';
+
+var MAX_SAFE_INTEGER = require('math-intrinsics/constants/maxSafeInteger');
+
+var ToInteger = require('./ToInteger');
+
+// https://262.ecma-international.org/6.0/#sec-tolength
+
+module.exports = function ToLength(argument) {
+	var len = ToInteger(argument);
+	if (len <= 0) { return 0; } // includes converting -0 to +0
+	if (len > MAX_SAFE_INTEGER) { return MAX_SAFE_INTEGER; }
+	return len;
+};