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@theshy/v-resize

v1.1.2

Published

实时监听元素width/height属性变化的自定义vue指令

Downloads

38

Readme

实时监听dom元素尺寸变化的自定义vue指令

在线预览(兼容IE9+)

Introduction

v-resize 是一个能够实时监听dom元素尺寸变化的自定义vue指令, 我们不需要关心是什么引起变化,无论是flexbox弹性计算引起的变化,还是窗口resize均能监听到,甚至通过控制台修改元素的尺寸。

总之只要这个元素的大小发生变化,均能监听到,且性能很好,不需要去轮询元素的大小。

How to do

在支持resizeObserve的浏览器下,我们会优先使用原生resizeObserve来监听变化,否则我们会使用iframe来模拟window的resize事件实现监听

How to use

npm install @theshy/v-resize --save
//在main.js引入并注册
import vResize from '@theshy/v-resize'
Vue.use(vResize)

//在组件App.vue中

<template>
  <div v-resize="resizeHandler">
  </div>
</template>

<script>
export default {
    name: "App",
    methods: {
        resizeHandler(size) {
            console.log(size); //{width:xx , height: xxx}
        },
    },
};
</script>

默认情况下dom元素第一次渲染的的时候不会触发resizeHandler,如果需要可以使用v-resize.immediate

ps: 监听到的size中包括元素宽度、内边距和溢出尺寸,不包括边框和外边距

License

This project is MIT licensed.