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
15 lines
507 B
JavaScript
15 lines
507 B
JavaScript
'use strict';
|
|
var getBuiltIn = require('../internals/get-built-in');
|
|
var isCallable = require('../internals/is-callable');
|
|
var isPrototypeOf = require('../internals/object-is-prototype-of');
|
|
var USE_SYMBOL_AS_UID = require('../internals/use-symbol-as-uid');
|
|
|
|
var $Object = Object;
|
|
|
|
module.exports = USE_SYMBOL_AS_UID ? function (it) {
|
|
return typeof it == 'symbol';
|
|
} : function (it) {
|
|
var $Symbol = getBuiltIn('Symbol');
|
|
return isCallable($Symbol) && isPrototypeOf($Symbol.prototype, $Object(it));
|
|
};
|