unplugin-icons

What is unplugin-icons?

unplugin-icons is an npm package that provides a convenient way to use icons from various icon sets in your projects. It supports multiple frameworks like Vue, React, and Svelte, and allows you to import icons on-demand, reducing the bundle size.

What are unplugin-icons's main functionalities?

On-Demand Icon Import

This feature allows you to import only the icons you need, which helps in reducing the bundle size. The code sample demonstrates how to import and use a specific icon from the 'bi' (Boxicons) set in a React component.

import { Icon } from 'unplugin-icons';
import { BiAlarm } from 'unplugin-icons/bi';

const MyComponent = () => (
  <div>
    <Icon icon={BiAlarm} />
  </div>
);

Framework Support

unplugin-icons supports multiple frameworks like Vue, React, and Svelte. The code sample shows how to use an icon in a Vue component.

import { defineComponent } from 'vue';
import { BiAlarm } from 'unplugin-icons/bi';

export default defineComponent({
  components: { BiAlarm },
  template: '<BiAlarm />'
});

Custom Icon Sets

You can also use custom icon sets with unplugin-icons. The code sample demonstrates how to import and use a custom icon in a React component.

import { Icon } from 'unplugin-icons';
import { MyCustomIcon } from './my-custom-icons';

const MyComponent = () => (
  <div>
    <Icon icon={MyCustomIcon} />
  </div>
);

Other packages similar to unplugin-icons

react-icons

react-icons is a popular package for including icons in React applications. It supports a wide range of icon libraries and allows for easy integration. Compared to unplugin-icons, react-icons is more focused on React and does not offer the same level of support for other frameworks.

vue-awesome

vue-awesome is a package for using Font Awesome icons in Vue applications. It provides a simple way to include and customize Font Awesome icons. Unlike unplugin-icons, vue-awesome is limited to Font Awesome and does not support other icon sets.

svelte-icons

svelte-icons is a package for using icons in Svelte applications. It supports multiple icon sets and provides a simple API for including icons. While it offers similar functionality to unplugin-icons, it is specifically designed for Svelte.

README

unplugin-icons

Access thousands of icons as components on-demand universally.

Features

• 🌏 Universal
  • 🤹 Any icon sets - 100+ popular sets with over 10,000 icons, logos, emojis, etc. Powered by Iconify.
  • 📦 Major build tools - Vite, Webpack, Rollup, Nuxt, etc. Powered by unplugin.
  • 🪜 Major frameworks - Vanilla, Web Components, React, Vue 3, Vue 2, Solid, Svelte, and more. Contribute.
  • 🍱 Any combinations of them!
• ☁️ On-demand - Only bundle the icons you really uses, while having all the options.
• 🖨 SSR / SSG friendly - Ship the icons with your page, no more FOUC.
• 🌈 Stylable - Change size, color, or even add animations as you would with styles and classes.
• 📥 Custom icons - load your custom icons to get universal integrations at ease.
• 📲 Auto Importing - Use icons as components directly in your template.
• 🦾 TypeScript support.
• 🔍 Browse Icons

💡 Story beind this tool: Journey with Icons Continues - a blog post by Anthony

vite-plugin-icons has been renamed to unplugin-icons, see the migration guide

Usage

Import icons names with the convension ~icons/{collection}/{icon} and use them directly as components. Auto importing is also possible.

React

import IconAccessibility from '~icons/carbon/accessibility'
import IconAccountBox from '~icons/mdi/account-box'

function App() {
  return (
    <div>
      <IconAccessibility />
      <IconAccountBox style={{ fontSize: '2em', color: 'red' }}/>
    </div>
  )
}

Vue

<script setup>
import IconAccessibility from '~icons/carbon/accessibility'
import IconAccountBox from '~icons/mdi/account-box'
</script>

<template>
  <icon-accessibility/>
  <icon-account-box style="font-size: 2em; color: red"/>
</template>

Install

Install the plugin and peer dependency @iconify/json

npm i -D unplugin-icons @iconify/json

Build Tools

Vite

// vite.config.ts
import Icons from 'unplugin-icons/vite'

export default defineConfig({
  plugins: [
    Icons({ /* options */ }),
  ],
})

Rollup

// rollup.config.js
import Icons from 'unplugin-icons/rollup'

export default {
  plugins: [
    Icons({ /* options */ }),
  ],
}

Webpack

// webpack.config.js
module.exports = {
  /* ... */
  plugins: [
    require('unplugin-icons/webpack')({ /* options */ })
  ]
}

Nuxt

// nuxt.config.js
export default {
  buildModules: [
    ['unplugin-icons/nuxt', { /* options */ }],
  ],
}

This module works for both Nuxt 2 and Nuxt Vite

Vue CLI

// vue.config.js
module.exports = {
  configureWebpack: {
    plugins: [
      require('unplugin-icons/webpack')({ /* options */ }),
    ],
  },
}

Svelte Kit

// svelte.config.js
import preprocess from 'svelte-preprocess'
import Icons from 'unplugin-icons/vite'

/** @type {import('@sveltejs/kit').Config} */
const config = {
  // Consult https://github.com/sveltejs/svelte-preprocess
  // for more information about preprocessors
  preprocess: preprocess(),
  kit: {
    // hydrate the <div id="svelte"> element in src/app.html
    target: '#svelte',
    vite: {
      plugins: [
        Icons({
          compiler: 'svelte',
        }),
      ],
    },
  },
}

export default config

Svelte + Vite

Svelte support requires plugin dependency @sveltejs/vite-plugin-svelte:

npm i -D @sveltejs/vite-plugin-svelte

The unplugin-icons plugin should be configured on vite.config.js configuration file:

// vite.config.js
import { defineConfig } from 'vite'
import { svelte } from '@sveltejs/vite-plugin-svelte'
import Icons from 'unplugin-icons/vite'

export default defineConfig({
  plugins: [
    svelte(),
    Icons({
      compiler: 'svelte',
    }),
  ],
})

Frameworks

Vue 3

Vue 3 support requires peer dependency @vue/compiler-sfc:

npm i -D @vue/compiler-sfc

Icons({ compiler: 'vue3' })

Type Declarations

// tsconfig.json
{ 
  "compilerOptions": {
    "types": [
      "unplugin-icons/types/vue",
    ]
  }
}

Vue 2

Vue 2 support requires peer dependency vue-template-compiler:

npm i -D vue-template-compiler

Icons({ compiler: 'vue2' })

Type Declarations

// tsconfig.json
{ 
  "compilerOptions": {
    "types": [
      "unplugin-icons/types/vue",
    ]
  }
}

React

JSX support requires peer dependency @svgr/core:

npm i -D @svgr/core

Icons({ compiler: 'jsx', jsx: 'react' })

Type Declarations

// tsconfig.json
{ 
  "compilerOptions": {
    "types": [
      "unplugin-icons/types/react",
    ]
  }
}

Preact

JSX support requires peer dependency @svgr/core:

npm i -D @svgr/core

Icons({ compiler: 'jsx', jsx: 'preact' })

Type Declarations

// tsconfig.json
{ 
  "compilerOptions": {
    "types": [
      "unplugin-icons/types/preact",
    ]
  }
}

Solid

Icons({ compiler: 'solid' })

Type Declarations

// tsconfig.json
{
  "compilerOptions": {
    "types": [
      "unplugin-icons/types/solid",
    ]
  }
}

Svelte

Icons({ compiler: 'svelte' })

Type Declarations

For Svelte Kit, on src/global.d.ts file:

/// <reference types="@sveltejs/kit" />
/// <reference types="unplugin-icons/types/svelte" />

For Svelte + Vite, on src/vite-env.d.ts file:

/// <reference types="svelte" />
/// <reference types="vite/client" />
/// <reference types="unplugin-icons/types/svelte" />

Custom Icons

From v0.11, you can now load your own icons!

import { promises as fs } from 'fs'
// loader helpers
import { FileSystemIconLoader } from 'unplugin-icons/loaders' 

Icons({ 
  customCollections: {
    // key as the collection name
    'my-icons': {
      'account': '<svg><!-- ... --></svg>',
      // load your custom icon lazily
      'settings': () => fs.readFile('./path/to/my-icon.svg', 'utf-8'),
      /* ... */
    },
    'my-other-icons': async (iconName) => {
      // your custom loader here. Do whatever you want.
      // for example, fetch from a remote server: 
      return await fetch(`https://example.com/icons/${iconName}.svg`).then(res => res.text())
    },
    // a helper to load icons from the file system
    // files under `./assets/icons` with `.svg` extension will be loaded as it's file name
    'my-yet-other-icons': FileSystemIconLoader('./assets/icons'),
  }
})

Then use as

import IconAccount from '~icons/my-icons/account'
import IconFoo from '~icons/my-other-icons/foo'
import IconBar from '~icons/my-yet-other-icons/bar'

💡 SVG Authoring Tips:

• To make your icons color adaptable, set fill="currentColor" for stroke="currentColor" in your SVG.
• Leave the height and width unspecified, we will set them for you.

Use with Resolver

When using with resolvers for auto-importing, you will need to tell it your custom collection names:

IconResolver({
  customCollections: [
    'my-icons',
    'my-other-icons',
    'my-yet-other-icons',
  ]
})

See the Vue 3 + Vite example.

Migrate from vite-plugin-icons

package.json

{
  "devDependencies": {
-   "vite-plugin-icons": "*",
+   "unplugin-icons": "^0.7.0",
  }
}

vite.config.json

import Components from 'unplugin-components/vite'
- import Icons, { ViteIconsResolver } from 'vite-plugin-icons'
+ import Icons from 'unplugin-icons/vite'
+ import IconsResolver from 'unplugin-icons/resolver'

export default {
  plugins: [
    Vue(),
    Components({
      resolvers: IconsResolver(),
    }),
    Icons(),
  ],
}

* - imports usage

- import IconComponent from 'virtual:vite-icons/collection/name'
+ import IconComponent from '~icons/collection/name'

You can still use virtual:icons prefix in Vite if you prefer, but it's not yet supported in Webpack, we are unifying it as a workaround in the docs.

Options

You can set default styling for all icons. The following config shows the default values of each option:

Icons({
  scale: 1.2, // Scale of icons against 1em
  defaultStyle: '', // Style apply to icons
  defaultClass: '', // Class names apply to icons
  compiler: null, // 'vue2', 'vue3', 'jsx'
  jsx: 'react' // 'react' or 'preact'
})

Auto Importing

Vue 2 & 3

Use with unplugin-vue-components

For example in Vite:

// vite.config.js
import Vue from '@vitejs/plugin-vue'
import Icons from 'unplugin-icons/vite'
import IconsResolver from 'unplugin-icons/resolver'
import Components from 'unplugin-vue-components/vite'

export default {
  plugins: [
    Vue(),
    Components({
      resolvers: IconsResolver(),
    }),
    Icons(),
  ],
}

Then you can use any icons as you want without explicit importing. Only the used icons will be bundled.

<template>
  <i-carbon-accessibility/>
  <i-mdi-account-box style="font-size: 2em; color: red"/>
</template>

React & Solid

Use with unplugin-auto-import

For example in Vite:

// vite.config.js
import Icons from 'unplugin-icons/vite'
import IconsResolver from 'unplugin-icons/resolver'
import AutoImport from 'unplugin-auto-import/vite'

export default {
  plugins: [
    /* ... */
    AutoImport({
      resolvers: [
        IconsResolver({
          prefix: 'Icon',
          extension: 'jsx'
        })
      ],
    }),
    Icons({
      compiler: 'jsx' // or 'solid'
    }),
  ],
}

Then you can use any icons with the prefix Icon as you want without explicit importing. Type declarations will be generated on the fly.

export function Component() {
  return (
    <div>
      <IconCarbonApps />
      <IconMdiAccountBox style="font-size: 2em; color: red"/>
    </div>
  )
}

Name Conversion

When using component resolver, you have to follow the name conversion for icons to be properly inferred.

{prefix}-{collection}-{icon}

The collection field follows Iconify's collection IDs.

By default, the prefix is set to i while you can customize via config

IconsResolver({
  prefix: 'icon' // <--
})

<template>
  <icon-mdi-account />
</template>

Non-prefix mode is also supported

IconsResolver({
  prefix: false, // <--
  // this is optional, default enabling all the collections supported by Iconify
  enabledCollections: ['mdi']
})

<template>
  <mdi-account />
</template>

Collection Aliases

When using component resolver, you have to use the name of the collection that can be long or redundant: for example, when using icon-park collection you need to use it like this <icon-icon-park-abnormal />.

You can add an alias for any collection to the IconResolver plugin:

IconsResolver({
  alias: {
    park: 'icon-park',
    fas:  'fa-solid',
    ...
  }
})

You can use the alias or the collection name, the plugin will resolve both.

Following with the example and configuring the plugin with previous alias entry, you can now use <icon-park-abnormal /> or <icon-icon-park-abnormal />.

Sponsors

This project is part of my Sponsor Program

License

MIT License © 2020-PRESENT Anthony Fu