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vue-mutation-observer

v0.1.2

Published

VueJS directive to observe changes in DOM use MutationObserver API

Downloads

1,533

Readme

vue-mutation-observer

VueJS directive to observe changes in DOM use MutationObserver API

Install

npm install vue-mutation-observer

or

yarn add vue-mutation-observer

CommonJS

You can use any build tool which supports commonjs:

// register globally
const observer =  require('vue-mutation-observer');
Vue.use(observer)

// or for a single instance
const { observer } = require('vue-mutation-observer');
new Vue({
  directives: { observer }
})

Or in ES2015:

// register globally
import observer from 'vue-mutation-observer'
Vue.use(observer)

// or for a single instance
import { observer } from 'vue-mutation-observer'
new Vue({
  directives: { observer }
})

Usage

Use v-observer directive to observe DOM mutations in node and it's children.

<div v-observer:subtree.childList="handler">
  // some content here
</div>

import { observer } from 'vue-mutation-observer'

export default {
  directives: { observer },
  methods: {
    handler (mutations) { console.log(mutations) }
  }
}

Arguments

| Argument | Description | | ----- | ----- | | subtree | Extend monitoring to the entire subtree of node. All of the other properties are then extended to all of the nodes in the subtree instead of applying solely to the target node. |

Modifiers

| Modifier | Description | | ----- | ----- | | characterData | Add properties characterData and characterDataOldValue to observer configuration | | attributes | Add properties attributes and attributeOldValue to observer configuration | | childList | Add property childList to observer configuration |

If no modifiers is define - all properties in config will be defines as true. MutationObserver configuration

Value

Value may be a function, which handle your mutation or an object with two properties: callback and config.