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vuex-loading

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vuex-loading

Vuex Plugin for Global Loading Management

    1.0.4latest
    GitHub

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621
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Multiple Process Loader Management for Vue and (optionally) Vuex.

⚠️ Even it's named as vuex-loading, Vuex is completely optional.

Play with demo above.

vuex-loading helps to manage multiple loading states on the page without any conflict. It's based on a very simple idea that manages an array (or Vuex store optionally) with multiple loading states. The built-in loader component listens its registered loader and immediately become loading state.

📦 Requirements

  • Vue.js (v2.0.0+)

🚀 Power Supplies

  • Vuex, optionally (v2.0.0+)

🔧 Installation

$ yarn add vuex-loading # or if you using npm $ npm install vuex-loading

📖 Usage

import VueLoading from 'vuex-loading' Vue.use(VueLoading) // add VueLoading as Vue plugin

Then you should register VueLoading module:

new Vue({ el: '#app', store, vueLoading: new VueLoading({ // Defaults values are following: useVuex: false, // Uses Vuex to manage loading state vuexModuleName: 'loading', // Vuex module name registerComponent: true // Registers `v-loading` component componentName: 'v-loading', // <v-loading> component name, you can set `my-loader` etc. registerDirective: true // Registers `v-loading` directive directiveName: 'loading', // <span v-loading /> directive name, you can set `my-loader` etc. }), });

♻️ Usage with Vuex

Simply set useVuex parameter to true and optionally override vuexModuleName

import VueLoading from 'vuex-loading' Vue.use(Vuex) Vue.use(VueLoading) // add VueLoading as Vue plugin

Then you should register vueLoading module:

new Vue({ el: '#app', store, vueLoading: new VueLoading({ useVuex: true, // You must pass this option `true` to use Vuex vuexModuleName: 'vuex-example-module' // It's optional, `loading` by default. }), });

Now VueLoading will use Vuex store for data management which can be traced in Vue DevTools > Vuex

🔁 VueLoading Options

You can use this options for customize VueLoading behavior.

accessorName

String value, $vueLoading by default, you can change this value to rename the accessor.

E.g. if you rename this to $l, your VueLoading methods will be accessible by $l.isLoading(..) etc.

useVuex

Boolean value, false by default, use this value for enabling integration with Vuex store

When this value is true VueLoading will store data in Vuex store and all changes to this data will be made by dispatching actions to store

vuexModuleName

String value, loading by default. Name for Vuex store if useVuex set to true, otherwise not used.

registerComponent

Boolean value, true by default, register v-loading component.

componentName

String value, v-loading by default, changes v-loading component name.

🌈 Global Template Helpers

vuex-loading provides some helpers to you to use in your templates. All features can be obtained from $vueLoading property in Vue components.

.anyLoading

Returns boolean value if any loader exists in page.

<template> <progress-bar v-if="$vueLoading.anyLoading">Please wait...</progress-bar> </template>
.isLoading(loader String | RegExp)

Returns boolean value if given loader exists in page.

<template> <progress-bar v-if="$vueLoading.isLoading('creating user')">Creating User...</progress-bar> </template>

Also you can use matcher to make it more flexible:

Please see matcher library to see how to use matchers.

<template> <progress-bar v-if="$vueLoading.isLoading('creating.*')">Creating something...</progress-bar> </template>
.isLoading(loaders Array<String>)

Returns boolean value if some of given loaders exists in page.

<template> <progress-bar v-if="$vueLoading.isLoading(['creating user', 'page loading'])">Creating User...</progress-bar> </template>
.startLoading(loader String)

Starts the given loader.

<template> <button @click="$vueLoading.startLoading('creating user')">Create User</button> </template>
.endLoading(loader String)

Stops the given loader.

<template> <button @click="$vueLoading.endLoading('creating user')">Cancel</button> </template>

🏹 Directives

You can use directives to make your template cleaner.

v-loading:visible='"loader name"'

Shows if the given loader is loading.

<template> <progress-bar v-loading:visible='"creating user"'>Creating User...</progress-bar> </template>
v-loading:hidden='"loader name"' or v-loading:visible.not='"loader name"'

Hides if the given loader is loading.

<template> <main v-loading:hidden='"creating *"'>Some Content</main> </template>
v-loading:disabled='"loader name"'

Sets disabled="disabled" attribute to element if the given loader is loading.

<template> <input v-loading:disabled="'*'" placeholder="Username" /> <input v-loading:disabled="'*'" placeholder="Password" /> </template>
v-loading:enabled='"loader name"' or v-loading:disabled.not='"loader name"'

Removes disabled="disabled" attribute to element if the given loader is loading.

<template> <button v-loading:enabled='"creating user"'>Abort Request</button> </template>
v-loading:click.start='"loader name"'

Starts given loader on click.

<template> <button v-loading:click.start='"create user"'>Start loader</button> </template>
v-loading:click.end='"loader name"'

Ends given loader on click.

<template> <button v-loading:click.end='"create user"'>End loader</button> </template>
v-loading:toggle='"loader name"'

Toggles given loader on click.

<template> <button v-loading:toggle='"flip flop"'>Toggles the loader</button> </template>

🔌 Loading Action Mappers

vuex-loading provides mapLoadingActions mapper to be used with your Vuex stores.

Let's assume you have a store and async actions called createUser and updateUser. It will call the methods you map and will start loaders while action is resolved.

import { mapLoadingActions } from 'vuex-loading' // ... methods: { ...mapLoadingActions('users', { getUsers: 'loading users', createUser: 'creating user', updateUser: 'updating user', }), } // ...
😱 What happened to old createActionHelpers?

We've removed them. Since they were just calling dispatch, you can just write like following example. We don't like complexity.

//... actions: { async getUsers({ dispatch }) { const loader = 'getting users'; dispatch(`loading/startLoading`, loader, { root: true }); await UserService.getUsers(); dispatch(`loading/endLoading`, loader, { root: true }); } } //...

Using mapLoadingActions or wrapLoading instead is a better way.

wrapLoading(loader String, func Function, [,force_sync = false])

Decorator that wraps function, will trigger a loading and will end loader after the original function (func argument) is finished.

By default wrapLoading return async function, if you want to wrap default sync function pass true in last argument

Example using with async function

... methods: { fetchDataFromApi: wrapLoading('fetch data', async function () { function sleep(ms) { return new Promise(resolve => setTimeout(resolve, ms)); } // do work here await sleep(3000); // simulate some api call this.fetchResponse = Math.random() }) } ...

See also examples/wrap-example

💧 Using v-loading Component

If you disable registerComponent option then import and add v-loading into components

import vLoading from 'vuex-loading/src/components/v-loading.vue' components: { 'v-loading': vLoading }

In template, you should wrap your content with v-loading component to show loading on it.

<v-loading loader='fetching data'> <template slot='loading'> This will be shown when "fetching data" loader starts. </template> This will be shown when "fetching data" loader ends. </v-loading>

Better example for a button with loading state:

<button :disabled='$vueLoading.isLoading("creating user")'> <v-loading loader='creating user'> <template slot='loading'>Creating User...</template> Create User </v-loading> </button>

⚡️ Making Reusable Loader Components

With reusable loader components, you will be able to use custom loader components as example below. This will allow you to create better user loading experience.

In this example above, the tab gets data from back-end, and the table loads data from back-end at the same time. With vuex-loading, you will be able to manage these two seperated loading processes easily:

<template lang='pug'> div v-loading(loader='fetching tabs') template(slot='loading') b-tabs template(slot='tabs') b-nav-item(active disabled) v-icon(name='circle-o-notch', spin) b-tabs template(slot='tabs') b-nav-item(v-for='tab in tabs') {{ tab.name }} v-loading(loader='fetching data') table-gradient-spinner(slot='loading') table tr(v-for='row in data') // ... </template>

You may want to design your own reusable loader for your project. You better create a wrapper component called my-spinner:

<!-- MySpinner.vue --> <i18n> tr: loading: Yükleniyor... en: loading: Loading... </i18n> <template lang="pug"> div.loading-spinner //- Uses vue-awesome spinner v-icon(name='refresh', spin) span {{ $t('loading') }} </template> <style scoped lang="scss"> .loading-spinner { opacity: 0.5; margin: 50px auto; text-align: center; .fa-icon { vertical-align: middle; margin-right: 10px; } } </style>

Now you can use your spinner everywhere using slot='loading' attribute:

<template lang="pug"> v-loading(loader='fetching data') my-spinner(slot='loading') div p My main content after fetching data... </template>

🚌 Run example

Use npm run dev-vuex, npm run dev-vue or npm run dev-wrap commands. for running examples locally.

🎯 Contributors

  • Fatih Kadir Akın, (creator)
  • Igor, (maintainer, made Vuex-free)

🔑 License

MIT © Fatih Kadir Akın

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Last updated on 07 Jun 2018

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