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@fortawesome/vue-fontawesome v0.1.7

Official Vue component for Font Awesome 5

Official Javascript Component

vue-fontawesome

npm GitHub Actions Status

Font Awesome 5 Vue component using SVG with JS

Introduction

Hey there! We're glad you're here...

CodeSandbox Starter Sample 🚀

Here's a CodeSandbox Starter Sample on how to display Solid, Regular, and Brand icons using the Icon Library.

Upgrading Font Awesome?

If you've used Font Awesome in the past (version 4 or older) there are some things that you should learn before you dive in.

https://fontawesome.com/how-to-use/on-the-web/setup/upgrading-from-version-4

Get started

This package is for integrating with Vue.js. If you aren't using Vue then it's not going to help you. Head over to our "Get Started" page for some guidance.

https://fontawesome.com/how-to-use/on-the-web/setup/getting-started

Learn about our new SVG implementation

This package, under the hood, uses SVG with JS and the @fortawesome/fontawesome-svg-core library. This implementation differs drastically from the web fonts implementation that was used in version 4 and older of Font Awesome. You might head over there to learn about how it works.

https://fontawesome.com/how-to-use/on-the-web/advanced/svg-javascript-core

Going from 0.0.x to 0.1.0

See UPGRADING.md.

You might also be interested in the larger umbrella project UPGRADING.md

Installation

$ npm i --save @fortawesome/fontawesome-svg-core
$ npm i --save @fortawesome/free-solid-svg-icons
$ npm i --save @fortawesome/vue-fontawesome

Add more styles or Pro icons

Brands are separated into their own style and for customers upgrading from version 4 to 5 we have a limited number of Regular icons available.

Visit fontawesome.com/icons to search for free and Pro icons

$ npm i --save @fortawesome/free-brands-svg-icons
$ npm i --save @fortawesome/free-regular-svg-icons

If you are a Font Awesome Pro subscriber you can install Pro packages after these additional configuration are made.

$ npm i --save @fortawesome/pro-solid-svg-icons
$ npm i --save @fortawesome/pro-regular-svg-icons
$ npm i --save @fortawesome/pro-light-svg-icons
$ npm i --save @fortawesome/pro-duotone-svg-icons

Duotone icons are currently in pre-release and are coming soon to this component.

Or with Yarn:

$ yarn add @fortawesome/fontawesome-svg-core
$ yarn add @fortawesome/free-solid-svg-icons
$ yarn add @fortawesome/vue-fontawesome

Usage

Recommended

The following examples are based on a project configured with vue-cli.

src/main.js

import Vue from 'vue'
import App from './App'
import { library } from '@fortawesome/fontawesome-svg-core'
import { faUserSecret } from '@fortawesome/free-solid-svg-icons'
import { FontAwesomeIcon } from '@fortawesome/vue-fontawesome'

library.add(faUserSecret)

Vue.component('font-awesome-icon', FontAwesomeIcon)

Vue.config.productionTip = false

/* eslint-disable no-new */
new Vue({
  el: '#app',
  components: { App },
  template: '<App/>'
})

src/App.vue

<template>
  <div id="app">
    <font-awesome-icon icon="user-secret" />
  </div>
</template>

<script>
export default {
  name: 'App'
}
</script>

Using Solid icons

import { library } from '@fortawesome/fontawesome-svg-core'
import { faUserSecret } from '@fortawesome/free-solid-svg-icons'

library.add(faUserSecret)
<!-- The solid style is implicit -->
<font-awesome-icon icon="user-secret" />

<!-- It's better to be explicit -->
<!-- Don't forget to bind the property with ":" (we forget all the time!) -->
<font-awesome-icon :icon="['fas', 'user-secret']" />

Using Brand icons

import { library } from '@fortawesome/fontawesome-svg-core'
import { faFontAwesome } from '@fortawesome/free-brands-svg-icons'

library.add(faFontAwesome)
<!-- Don't forget to bind the property with ":" (we forget all the time!) -->
<font-awesome-icon :icon="['fab', 'font-awesome']" />

Using Regular icons

Using the Pro packages requires additional configuration.

import { library } from '@fortawesome/fontawesome-svg-core'
# Note we are using the Pro style here
import { faUserSecret } from '@fortawesome/pro-regular-svg-icons'

library.add(faUserSecret)
<font-awesome-icon :icon="['far', 'user-secret']" />

Using Light icons

import { library } from '@fortawesome/fontawesome-svg-core'
# Note we are using the Pro style here
import { faUserSecret } from '@fortawesome/pro-light-svg-icons'

library.add(faUserSecret)
<font-awesome-icon :icon="['fal', 'user-secret']" />

Using Duotone icons

import { library } from '@fortawesome/fontawesome-svg-core'
# Note we are using the Pro style here
import { faUserSecret } from '@fortawesome/pro-duotone-svg-icons'

library.add(faUserSecret)
<font-awesome-icon :icon="['fad', 'user-secret']" />

You can also import the same icon from different styles with some help from ES import.

Quick warning about self-closing tags

If you are using inline templates or HTML as templates you need to be careful to avoid self-closing tags.

See this issue on the Vue.js project

If you are writing these types of templates make sure and use valid HTML syntax:

<font-awesome-icon icon="coffee"></font-awesome-icon>

Processing i tags into svg using Font Awesome

A basic installation of Font Awesome has the ability to automatically transform <i class="fas fa-coffee"></i> into <svg class="...">...</svg> icons. This technology works with the browser's DOM, requestAnimationFrame, and MutationObserver.

When using the @fortawesome/fontawesome-svg-core package this behavior is disabled by default. This project uses that package so you will have to explicitly enable it like this:

import { dom } from '@fortawesome/fontawesome-svg-core'

dom.watch() // This will kick of the initial replacement of i to svg tags and configure a MutationObserver

The icon property

The icon property of the FontAwesomeIcon component can be used in the following way:

Shorthand that assumes a prefix of "fas"

<font-awesome-icon icon="spinner" />
<font-awesome-icon icon="align-left" />

<font-awesome-icon :icon="['fas', 'spinner']" /> # Same as above
<font-awesome-icon :icon="['fas', 'align-left']" /> # Same as above

For the above to work you must add the spinner and align-left icon to the library.

import { library } from '@fortawesome/fontawesome-svg-core'
import { faSpinner, faAlignLeft } from '@fortawesome/free-solid-svg-icons'

library.add(faSpinner, faAlignLeft)

In the event that you are using an icon with a multi-word name please note that you would need to pass in the icon name using kebab-case as opposed to camelCase.

<font-awesome-icon icon="address-card" />  # import { faAddressCard } from '@fortawesome/free-solid-svg-icons'

Explicit prefix (note the Vue bind shorthand because this uses an array)

<font-awesome-icon :icon="['far', 'spinner']" />

For the above to work you must add the regular spinner icon (Pro only) to the library.

import { library } from '@fortawesome/fontawesome-svg-core'
import { faSpinner } from '@fortawesome/pro-regular-svg-icons'

library.add(faSpinner)

Explicit icon definition through something like a computed property

<template>
  <div id="app">
    <font-awesome-icon icon="appIcon" />
  </div>
</template>

<script>
import { faChessQueen } from '@fortawesome/free-solid-svg-icons'

export default {
  name: 'App',

  computed: {
    appIcon () {
      return faChessQueen
    }
  }
}
</script>

Alternative using component property

With Vue you can tell your component to resolve other component explicitly.

<template>
  <div>
    <font-awesome-icon :icon="myIcon" />
  </div>
</template>

<script>
import { FontAwesomeIcon } from '@fortawesome/vue-fontawesome'
import { faSpinner } from '@fortawesome/free-solid-svg-icons'

export default {
  name: 'MyComponent',

  data () {
    return {
      myIcon: faSpinner
    }
  },

  components: {
    FontAwesomeIcon
  }
}
</script>

Why use the concept of a library?

Explicitly selecting icons offer the advantage of only bundling the icons that you use in your final bundled file. This allows us to subset Font Awesome's thousands of icons to just the small number that are normally used.

Import the specific icons that you need

import { library } from '@fortawesome/fontawesome-svg-core'
import { faCoffee } from '@fortawesome/free-solid-svg-icons'
import { faSpinner } from '@fortawesome/pro-light-svg-icons'

library.add(faCoffee, faSpinner)

Import the same icon from different styles

import { library } from '@fortawesome/fontawesome-svg-core'
import { faCoffee as fasCoffee } from '@fortawesome/pro-solid-svg-icons'
import { faCoffee as farCoffee } from '@fortawesome/pro-regular-svg-icons'
import { faCoffee as falCoffee } from '@fortawesome/pro-light-svg-icons'
import { faCoffee as fadCoffee } from '@fortawesome/pro-duotone-svg-icons'

library.add(fasCoffee, farCoffee, falCoffee, fadCoffee)

Import entire styles

import { fab } from '@fortawesome/free-brands-svg-icons'

library.add(fab)

This will add the entire brands style to your library. Be careful with this approach as it may be convenient in the beginning but your bundle size will be large. We highly recommend that you take advantage of subsetting through tree shaking.

Tree shaking alternative

Keeping the bundles small when using import { faCoffee } relies on tree-shaking. If you are not using a tool that supports tree shaking you may end up bundling more icons than you intend. Here are some alternative import syntaxes:

import { library } from '@fortawesome/fontawesome-svg-core'
import { faCoffee } from '@fortawesome/free-solid-svg-icons/faCoffee'
import { faSpinner } from '@fortawesome/pro-light-svg-icons/faSpinner'

library.add(faCoffee, faSpinner)

How does this work? We have individual icon files like node_modules/@fortawesome/free-solid-svg-icons/faCoffee.js that contain just that specific icon.

Features

The following features are available as part of Font Awesome. Note that the syntax is different from our general web-use documentation.

Register your components first

To use the following examples you must first register your component so Vue is aware of it.

A good place to do this is in main.js or in the module you are calling new Vue(). Make sure you register the component and have added icons to your library before you bootstrap your Vue application.

import Vue from 'vue'
import { FontAwesomeIcon, FontAwesomeLayers, FontAwesomeLayersText } from '@fortawesome/vue-fontawesome'

Vue.component('font-awesome-icon', FontAwesomeIcon)
Vue.component('font-awesome-layers', FontAwesomeLayers)
Vue.component('font-awesome-layers-text', FontAwesomeLayersText)

Basic

Size:

<font-awesome-icon icon="spinner" size="xs" />
<font-awesome-icon icon="spinner" size="lg" />
<font-awesome-icon icon="spinner" size="6x" />

Fixed width:

<font-awesome-icon icon="spinner" fixed-width />

Rotate:

<font-awesome-icon icon="spinner" rotation="90" />
<font-awesome-icon icon="spinner" rotation="180" />
<font-awesome-icon icon="spinner" rotation="270" />

Flip horizontally, vertically, or both:

<font-awesome-icon icon="spinner" flip="horizontal" />
<font-awesome-icon icon="spinner" flip="vertical" />
<font-awesome-icon icon="spinner" flip="both" />

Spin and pulse animation:

<font-awesome-icon icon="spinner" spin />
<font-awesome-icon icon="spinner" pulse />

Border:

<font-awesome-icon icon="spinner" border />

Pull left or right:

<font-awesome-icon icon="spinner" pull="left" />
<font-awesome-icon icon="spinner" pull="right" />

Swap opacity:

<font-awesome-icon :icon="['fad', 'spinner']" swap-opacity />

Advanced

Power Transforms:

<font-awesome-icon icon="spinner" transform="shrink-6 left-4" />
<font-awesome-icon icon="spinner" :transform="{ rotate: 42 }" />

Masking:

<font-awesome-icon icon="coffee" :mask="['far', 'circle']" />

Symbols:

<font-awesome-icon icon="edit" symbol />
<font-awesome-icon icon="edit" symbol="edit-icon" />

Layers:

<font-awesome-layers class="fa-lg">
  <font-awesome-icon icon="circle" />
  <font-awesome-icon icon="check" transform="shrink-6" :style="{ color: 'white' }" />
</font-awesome-layers>

Layers text:

<font-awesome-layers full-width class="fa-4x">
  <font-awesome-icon icon="queen"/>
  <font-awesome-layers-text class="gray8" transform="down-2 shrink-8" value="Q" />
</font-awesome-layers>

Integrating with other tools and frameworks

Nuxt.js

Install @fortawesome/vue-fontawesome and @fortawesome/fontawesome-svg-core and any icon packages.

npm install --save @fortawesome/vue-fontawesome @fortawesome/fontawesome-svg-core @fortawesome/free-solid-svg-icons

Inside your Nuxt.js project add a plugins/fontawesome.js file.

import Vue from 'vue'
import { library, config } from '@fortawesome/fontawesome-svg-core'
import { FontAwesomeIcon } from '@fortawesome/vue-fontawesome'
import { fas } from '@fortawesome/free-solid-svg-icons'

// This is important, we are going to let Nuxt.js worry about the CSS
config.autoAddCss = false

// You can add your icons directly in this plugin. See other examples for how you
// can add other styles or just individual icons.
library.add(fas)

// Register the component globally
Vue.component('font-awesome-icon', FontAwesomeIcon)

Modify nuxt.config.js adding to the css and plugins sections.

css: [
  '@fortawesome/fontawesome-svg-core/styles.css'
]
plugins: [
  '~/plugins/fontawesome.js'
]

Web Components with vue-web-component-wrapper

The Vue project provides a wrapper that will register your Vue components as Web Components.

This project and all Font Awesome SVG icons will work just fine in these components but we need to take an additional step to add the CSS correctly.

To take advantage of encapsulation that the Shadow DOM provides and to keep other areas of the DOM clean we need to add the Font Awesome CSS to the root of the Shadow DOM.

Here is an example that leverages the mounted() lifecycle hook to insert the CSS.

<script>
import { FontAwesomeIcon } from '@fortawesome/vue-fontawesome'
import { config, dom } from '@fortawesome/fontawesome-svg-core'
import { faCoffee, faStroopwafel, faDragon } from '@fortawesome/free-solid-svg-icons'

// Make sure you tell Font Awesome to skip auto-inserting CSS into the <head>
config.autoAddCss = false

const component = {
  name: 'MyCustomElement',

  template: `<font-awesome-icon :icon="icon" />`,

  components: {
    FontAwesomeIcon
  },

  mounted () {
    // This will only work on your root Vue component since it's using $parent
    const { shadowRoot } = this.$parent.$options
    const id = 'fa-styles'

    if (!shadowRoot.getElementById(`${id}`)) {
      const faStyles = document.createElement('style')
      faStyles.setAttribute('id', id)
      faStyles.textContent = dom.css()
      shadowRoot.appendChild(faStyles)
    }
  },

  computed: {
    icon () {
      const icons = [faCoffee, faStroopwafel, faDragon]

      return icons[Math.floor(Math.random() * 3)]
    }
  }
}

export default component
</script>

FAQ

Why so explicit (the :icon="['far', 'coffee']" syntax)?

It's been brought up a few times that the array syntax used for specifying an icon from the library is a bit cumbersome. Initially, this does seem to be the case but we do have good reasons.

How about a separate property for the prefix?

<font-awesome-icon far icon="spinner" />

or

<font-awesome-icon prefix="far" icon="spinner" />

The problem with this is that it does not provide a consistent or concise way to specify the mask.

<font-awesome-icon far icon="spinner" mask="circle" />

Does the far apply to the icon or the mask? What is the prefix for the property it does not apply to?

Whereas this is consistent and concise:

<font-awesome-icon :icon="['far', 'spinner']" :mask="['fas', 'circle']" />

Bindings become boilerplate and verbose

Since icons are not always static but can change based on Vue component methods or computed values we have to take that into consideration.

Icon properties end up being more verbose:

<font-awesome-icon :far="style === 'far'" :fal="style === 'fal'" :icon="icon" />

vs.

<font-awesome-icon :icon="[style, icon]" />

Or if you are using a prefix property it smells of needless boilerplate:

<template>
  <font-awesome-icon :prefix="iconPrefix" :icon="iconName" />
</template>

<script>
export default {
  computed: {
    iconPrefix() {
      return 'fas'
    },
    iconName() {
      return 'coffee'
    }
  }
}
</script>

vs.

<template>
  <font-awesome-icon :icon="icon" />
</template>

<script>
export default {
  computed: {
    icon() {
      return ['fas', 'coffee']
    }
  }
}
</script>

Properties can disagree with each other

If we allow prefix definition through a property and we also allow an icon to be specified as an object through direct import these two have a chance to argue with eachother. This could lead to some head-scratching when an icon doesn't appear in the expected style.

In the following case which style should be used (light from the icon definition or regular from the far boolean):

import { faSpinner } from `@fortawesome/pro-light-svg-icons`

<template>
  <font-awesome-icon far :icon="faSpinner" />
</template>

<script>
export default {
  data() {
    return {
      faSpinner
    }
  }
}
</script>

How to Help

Review the following docs before diving in:

And then:

  1. Check the existing issue and see if you can help!

Contributors

The following contributors have either hepled to start this project, have contributed code, are actively maintaining it (including documentation), or in other ways being awesome contributors to this project. We'd like to take a moment to recognize them.

NameGitHub
SirLamer@SirLamer
Liu Xinyu@meteorlxy
Xaver Schulz@schulz3000
Yannick Ihmels@ihmels

If we've missed someone (which is quite likely) submit a Pull Request to us and we'll get it resolved.

The Font Awesome team:

NameGitHub
Travis Chase@supercodepoet
Rob Madole@robmadole
Mike Wilkerson@mlwilkerson
Brian Talbot@talbs

Releasing this project

See DEVELOPMENT.md

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