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
17 lines
526 B
JavaScript
17 lines
526 B
JavaScript
import _has from './_has.js';
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import toPath from './_toPath.js';
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// Shortcut function for checking if an object has a given property directly on
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// itself (in other words, not on a prototype). Unlike the internal `has`
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// function, this public version can also traverse nested properties.
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export default function has(obj, path) {
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path = toPath(path);
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var length = path.length;
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for (var i = 0; i < length; i++) {
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var key = path[i];
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if (!_has(obj, key)) return false;
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obj = obj[key];
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}
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return !!length;
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}
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