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
20 lines
750 B
JavaScript
20 lines
750 B
JavaScript
'use strict';
|
|
var isCallable = require('../internals/is-callable');
|
|
var isObject = require('../internals/is-object');
|
|
var setPrototypeOf = require('../internals/object-set-prototype-of');
|
|
|
|
// makes subclassing work correct for wrapped built-ins
|
|
module.exports = function ($this, dummy, Wrapper) {
|
|
var NewTarget, NewTargetPrototype;
|
|
if (
|
|
// it can work only with native `setPrototypeOf`
|
|
setPrototypeOf &&
|
|
// we haven't completely correct pre-ES6 way for getting `new.target`, so use this
|
|
isCallable(NewTarget = dummy.constructor) &&
|
|
NewTarget !== Wrapper &&
|
|
isObject(NewTargetPrototype = NewTarget.prototype) &&
|
|
NewTargetPrototype !== Wrapper.prototype
|
|
) setPrototypeOf($this, NewTargetPrototype);
|
|
return $this;
|
|
};
|