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
29 lines
631 B
JavaScript
29 lines
631 B
JavaScript
var getTag = require('./_getTag'),
|
|
isObjectLike = require('./isObjectLike');
|
|
|
|
/** `Object#toString` result references. */
|
|
var weakMapTag = '[object WeakMap]';
|
|
|
|
/**
|
|
* Checks if `value` is classified as a `WeakMap` object.
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @since 4.3.0
|
|
* @category Lang
|
|
* @param {*} value The value to check.
|
|
* @returns {boolean} Returns `true` if `value` is a weak map, else `false`.
|
|
* @example
|
|
*
|
|
* _.isWeakMap(new WeakMap);
|
|
* // => true
|
|
*
|
|
* _.isWeakMap(new Map);
|
|
* // => false
|
|
*/
|
|
function isWeakMap(value) {
|
|
return isObjectLike(value) && getTag(value) == weakMapTag;
|
|
}
|
|
|
|
module.exports = isWeakMap;
|