flying-hero
96f6318101
新增: - backend/venv/ - Python 虚拟环境 - backend/start.sh - 启动脚本（使用虚拟环境） - backend/requirements.txt - 依赖列表 - .gitignore - 忽略虚拟环境和缓存文件 说明: - 每个项目使用独立虚拟环境 - 避免依赖冲突 - 启动脚本自动创建和激活虚拟环境
21 lines
615 B
JavaScript
21 lines
615 B
JavaScript
'use strict';
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var abs = require('./abs');
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var floor = require('./floor');
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var ToNumber = require('./ToNumber');
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var $isNaN = require('math-intrinsics/isNaN');
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var $isFinite = require('math-intrinsics/isFinite');
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var $sign = require('math-intrinsics/sign');
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// https://262.ecma-international.org/12.0/#sec-tointegerorinfinity
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module.exports = function ToIntegerOrInfinity(value) {
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var number = ToNumber(value);
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if ($isNaN(number) || number === 0) { return 0; }
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if (!$isFinite(number)) { return number; }
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var integer = floor(abs(number));
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if (integer === 0) { return 0; }
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return $sign(number) * integer;
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};
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