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https://github.com/ankurk91/vue-loading-overlay

Vue.js component for full screen loading indicator :cyclone:
https://github.com/ankurk91/vue-loading-overlay

indicator loader loading overlay spinner vue

Last synced: 6 days ago
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Vue.js component for full screen loading indicator :cyclone:

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# Vue Loading Overlay Component

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![TypeScript](https://badgen.net/badge/icon/Typed?icon=typescript&label&labelColor=blue&color=555555)

Vue.js component for full screen loading indicator

## [Demo](https://ankurk91.github.io/vue-loading-overlay/) or [JSFiddle](https://jsfiddle.net/ankurk91/2ou37bc8/)

### Version matrix

| Vue.js version | Package version | Branch |
| :--- |:---------------:|-----------------------------------------------------------------:|
| 2.x | 3.x | [3.x](https://github.com/ankurk91/vue-loading-overlay/tree/v3.x) |
| 3.x | 6.x | `main` |

## Installation

```bash
npm install vue-loading-overlay@^6.0
```

## Usage

#### As component

```html


Full page?
fetch Data

import Loading from 'vue-loading-overlay';
import 'vue-loading-overlay/dist/css/index.css';

export default {
data() {
return {
isLoading: false,
fullPage: true
}
},
components: {
Loading
},
methods: {
doAjax() {
this.isLoading = true;
// simulate AJAX
setTimeout(() => {
this.isLoading = false
}, 5000)
},
onCancel() {
console.log('User cancelled the loader.')
}
}
}

```

### As plugin

Initialise the plugin in your app

```js
import {createApp} from 'vue';
import {LoadingPlugin} from 'vue-loading-overlay';
import 'vue-loading-overlay/dist/css/index.css';
// Your app initialization logic goes here
const app = createApp({});
app.use(LoadingPlugin);
app.mount('#app');
```

Then use the plugin in your components

```html



Full page?
Login

export default {
data() {
return {
fullPage: false
}
},
methods: {
submit() {
let loader = this.$loading.show({
// Optional parameters
container: this.fullPage ? null : this.$refs.formContainer,
canCancel: true,
onCancel: this.onCancel,
});
// simulate AJAX
setTimeout(() => {
loader.hide()
}, 5000)
},
onCancel() {
console.log('User cancelled the loader.')
}
}
}

```

#### or same with Composition API

```html

import {ref, inject} from 'vue'
import {useLoading} from 'vue-loading-overlay'

const $loading = useLoading({
// options
});
// or use inject without importing useLoading
// const $loading = inject('$loading')

const fullPage = ref(false)

const submit = () => {
const loader = $loading.show({
// Optional parameters
});
// simulate AJAX
setTimeout(() => {
loader.hide()
}, 5000)
}

```

## Available props

The component accepts these props:

| Attribute | Type | Default | Description |
| :--- | :---: | :---: | :--- |
| active | Boolean | `false` | Show loading by default when `true`, use it as `v-model:active` |
| can-cancel | Boolean | `false` | Allow user to cancel by pressing ESC or clicking outside |
| on-cancel | Function | `()=>{}` | Do something upon cancel, works in conjunction with `can-cancel` |
| is-full-page | Boolean | `true` | When `false`; limit loader to its container^ |
| transition | String | `fade` | Transition name |
| color | String | `#000` | Customize the color of loading icon |
| height | Number | * | Customize the height of loading icon |
| width | Number | * | Customize the width of loading icon |
| loader | String | `spinner` | Name of icon shape you want use as loader, `spinner` or `dots` or `bars` |
| background-color | String | `#fff` | Customize the overlay background color |
| opacity | Number | `0.5` | Customize the overlay background opacity |
| z-index | Number | `9999` | Customize the overlay z-index |
| enforce-focus | Boolean | `true` | Force focus on loader |
| lock-scroll | Boolean | `false` | Freeze the scrolling during full screen loader |

* ^When `is-full-page` is set to `false`, the container element should be positioned as `position: relative`. You can
use CSS helper class `vl-parent`.
* *The default `height` and `width` values may vary based on the `loader` prop value

## Available slots

The component accepts these slots:

* `default` - Replace the animated icon with yours
* `before` - Place anything before the animated icon, you may need to style this.
* `after` - Place anything after the animated icon, you may need to style this.

## API methods

### `this.$loading.show(?propsData,?slots)`

```js
import {h} from 'vue';

let loader = this.$loading.show({
// Pass props by their camelCased names
container: this.$refs.loadingContainer,
canCancel: true, // default false
onCancel: this.yourCallbackMethod,
color: '#000000',
loader: 'spinner',
width: 64,
height: 64,
backgroundColor: '#ffffff',
opacity: 0.5,
zIndex: 999,
}, {
// Pass slots by their names
default: h('your-custom-loader-component-name'),
});
// hide loader whenever you want
loader.hide();
```

## Global configs

You can set props and slots for all future instances when using as plugin

```js
app.use(LoadingPlugin, {
// props
color: 'red'
}, {
// slots
})
```

Further you can override any prop or slot when creating new instances

```js
let loader = this.$loading.show({
color: 'blue'
}, {
// override slots
});
```

## Use directly in browser (with CDN)

```html

const app = Vue.createApp({});
app.use(VueLoading.LoadingPlugin);
app.component('loading', VueLoading.Component)
app.mount('#app')

```

## Run examples on your localhost

* Clone this repo
* Make sure you have node-js `>=20.11` and [pnpm](https://pnpm.io/) `>=8.x` pre-installed
* Install dependencies `pnpm install`
* Run webpack dev server `npm start`
* This should open the demo page in your default web browser

## Testing

* This package is using [Jest](https://github.com/facebook/jest)
and [vue-test-utils](https://github.com/vuejs/test-utils) for testing.
* Execute tests with this command `npm test`

## License

[MIT](LICENSE.txt) License