Vue Resize Observer

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Installation

• Vue3.0

npm install --save vue-resize-observer@next

• Vue2.0

npm install --save vue-resize-observer

Module import & Example

• Import the package and install it into Vue:

const VueResizeObserver = require("vue-resize-observer");
// Vue3.0
const app = createApp(App)
app.use(VueResizeObserver) // use is a instance's method & be called before mount
app.mount('#app')
// Vue2.0
Vue.use(VueResizeObserver); // use is a static method

or

import VueResizeObserver from "vue-resize-observer";
Vue.use(VueResizeObserver);
// Vue3.0
const app = createApp(App)
app.use(VueResizeObserver) // use is a instance's method & be called before mount
app.mount('#app')
// Vue2.0
Vue.use(VueResizeObserver); // use is a static method

or

import VueResizeObserver from "vue-resize-observer";
// Vue3.0
Vue.createApp({
  directives: { 'resize': VueResizeObserver },
})
// Vue2.0
new Vue({
  directives: { 'resize': VueResizeObserver },
})

• Then v-resize directive to detect DOM resize events.

<template>
  <div class="resize" v-resize="onResize">
    width: {{width}}, height: {{height}}
  </div>
</template>

<script>
export default {
  data() {
    return {
      width: 0,
      height: 0,
    }
  },
  mounted() {
    this.width = this.$el.offsetWidth;
    this.height = this.$el.offsetHeight;
  },
  methods: {
    onResize({ width, height }) {
      this.width = width;
      this.height = height;
    }
  }
}
</script>

<style>
.resize {
  background-color: orange;
  width: 300px;
  height: 300px;
  margin: 0 auto;
  resize: both;
  overflow: auto;
  display: flex;
  justify-content: center;
  align-items: center;
}
</style>

Example

Documentation

npm run doc

Or read the documentation online

⚠️ Notice

Set the v-resize directive for a DOM element and make the element position to something other than 'static' (for example 'relative').

Dependency

License

Copyright (c) 2020-present, Wayne