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Showing content from https://github.com/ankurk91/vue-loading-overlay below:

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

Vue.js component for full screen loading indicator

npm install vue-loading-overlay@^6.0 

<template>
    <div class="vl-parent">
        <loading v-model:active="isLoading"
                 :can-cancel="true"
                 :on-cancel="onCancel"
                 :is-full-page="fullPage"/>

        <label><input type="checkbox" v-model="fullPage">Full page?</label>
        <button @click.prevent="doAjax">fetch Data</button>
    </div>
</template>

<script>
    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.')
            }
        }
    }
</script>

Initialise the plugin in your app

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

<template>
    <form @submit.prevent="submit"
          class="vl-parent"
          ref="formContainer">
        <!-- your form inputs goes here-->
        <label><input type="checkbox" v-model="fullPage">Full page?</label>
        <button type="submit">Login</button>
    </form>
</template>

<script>
    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.')
            }
        }
    }
</script>

<script setup>
    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)
    }
</script>

The component accepts these props:

• ^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

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.

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();

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

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

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

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

<!-- Vue js -->
<script src="https://cdn.jsdelivr.net/npm/vue@3.3"></script>
<!-- Lastly add this package -->
<script src="https://cdn.jsdelivr.net/npm/vue-loading-overlay@6"></script>
<link href="https://cdn.jsdelivr.net/npm/vue-loading-overlay@6/dist/css/index.css" rel="stylesheet">
<!-- Init the plugin and component-->
<script>
    const app = Vue.createApp({});
    app.use(VueLoading.LoadingPlugin);
    app.component('loading', VueLoading.Component)
    app.mount('#app')
</script>

• Clone this repo
• Make sure you have node-js >=20.11 and pnpm >=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

• This package is using Jest and vue-test-utils for testing.
• Execute tests with this command npm test

MIT License

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