next-dengyu-adam

###next-dengyu-adam

• a wrapper function package（自己写的封装一些实用函数的包）
• npm-url：npm

##Installation

You can install with npm:

$ npm install next-dengyu-adam

##Usage

import adam from 'next-dengyu-adam'

##Function

#query(name, querystring)

• Function for gets the value of the specified name in the specified querystring

adam.query('name', '?name=js') //return 'js'

serialize(data)

• Function for turn the object into a url string adam.serialize({hello: 'js'}) //return '?hello=js'

#$(selector)

• Function for simulating jQuery

adam.$(selector) //return {DOM|undefined}

#removeNode(node)

• Function for Deleting DOM node

adam.removeNode(node) //return {DOM}

#insertAfter(node)

• Function for inserting the node node after the target node

adam.insertAfter(node, target) //return true or false

#addClass(node, className)

• Function for add class name

adam.addClass(node, className) //return true or false

#removeClass(node, className)

• Function for remove class name

adam.removeClass(node, className) //return true or false

#getAbsoluteUrl(url)

• Function for get absolute url

adam.getAbsoluteUrl('/hhh') //return 'https://github.com/hhh'

#debounce(callback, time)

• Function for avoiding shake
• example:

 test('test true', () => {
    const debounce = adam.debounce
    jest.useFakeTimers() // 声明语句，启用jest伪装计时器函数，因为使用了advanceTimersByTime()
    const callback = jest.fn() // 声明语句，使用jest伪装函数
    const createDebounce = debounce(callback, 300)
    expect(callback).not.toBeCalled() // callback还未被调用
    for (let i = 0; i < 11; i++) { // 循环执行createDebounce 11次，每次都在经过299ms时setTimeout被刷新
      createDebounce()
      jest.advanceTimersByTime(299) // 过了299ms
    }
    expect(callback).not.toBeCalled() // callback还未被调用
    jest.advanceTimersByTime(1) // 再过1ms
    expect(callback).toBeCalled() // callback被调用
    expect(callback).toHaveBeenCalledTimes(1) // callback只被调用1次
  })

#removeItemByIndex(index, arr)

• Function for remove item by index

adam.removeItemByIndex(1, [1, 2, 3]) //return [1, 3]