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
22 lines
523 B
JavaScript
22 lines
523 B
JavaScript
var isSymbol = require('./isSymbol');
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/** Used as references for various `Number` constants. */
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var INFINITY = 1 / 0;
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/**
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* Converts `value` to a string key if it's not a string or symbol.
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*
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* @private
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* @param {*} value The value to inspect.
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* @returns {string|symbol} Returns the key.
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*/
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function toKey(value) {
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if (typeof value == 'string' || isSymbol(value)) {
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return value;
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}
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var result = (value + '');
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return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
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}
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module.exports = toKey;
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