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https://github.com/a3mitskevich/vite-font-extractor-plugin

Vite plugin for extracting glyphes by ligatures from font and creating new minimized fonts with them
https://github.com/a3mitskevich/vite-font-extractor-plugin

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Vite plugin for extracting glyphes by ligatures from font and creating new minimized fonts with them

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# Vite font extractor plugin



**`vite-font-extractor-plugin`** is a vite plugin that to extracted glyphs from fonts that are used in applications and

change the original font files to minimize.



> [!IMPORTANT]

> The main goal of this plugin is a minimize fonts and save easy use way on the page and in frameworks.



## Installation



To install vite-font-extractor-plugin use npm:



```bash

npm install vite-font-extractor-plugin

```



## Features



- Save ligatures

- Auto detect font ligatures by css `content: "."`

- Support goggle font urls

- Support zero config



## Warning



> [!WARNING]

> When using the `auto` type, the system identifies only CSS properties with `content: "."` 

> and attempts to extract all font ligatures from each font file.

> Furthermore, in every build, the system recalculates a hash on font files since the plugin cannot

> detect changes when dependent on Unicode.

> 

> It is strongly recommended to use the `manual` type if these limitations are critical for your project



## Usage



### Config file by zero config:



```javascript

// vite.config.js

import FontExtractor from "vite-font-extractor-plugin";



export default defineConfig({

 plugins: [

  FontExtractor() // by default use "auto" type

 ],

})

```



### Config file by auto config:



```javascript

// vite.config.js

import FontExtractor from "vite-font-extractor-plugin";



export default defineConfig({

 plugins: [

  FontExtractor({ type: 'auto', targets: [] }) // 'targets' is not required and can be undefined

 ],

})

```



### Config file by manual type behavior:



```javascript

// vite.config.js

import FontExtractor from "vite-font-extractor-plugin";



const MaterialIconRegularTarget = {

 fontName: 'Material Icons',

 ligatures: ['abc, close'],

}



export default defineConfig({

 plugins: [

  FontExtractor({ type: 'manual', targets: MaterialIconRegularTarget}), // 'targets' is required

 ],

})

```



### Through JS import:



```javascript

// main.js

import Vue from 'vue';

import App from './App.vue';

import Vuetify from "vuetify";

// First way to import fonts

import 'material-design-icons-iconfont/dist/material-design-icons-no-codepoints.css';



Vue.use(Vuetify)



export function createApp() {

 const app = new Vue({

  vuetify: new Vuetify({

   icons: {

    iconfont: 'md',

   },

  }),

  render: (h) => h(App),

 });



 return {app};

}



createApp().app.$mount('#app');

```



### Through CSS import:



```scss

// App.scss

// Second way to import font

@import "material-design-icons-iconfont/dist/material-design-icons-no-codepoints.css";

```



### Through CSS file:



```scss

// material-design-icons-iconfont/dist/material-design-icons-no-codepoints.css

@charset "UTF-8";

@font-face {

  // See font name here

  font-family: 'Material Icons';

  src: url("./fonts/MaterialIcons-Regular.eot");

  src: url("./fonts/MaterialIcons-Regular.woff2") format("woff2"),

  url("./fonts/MaterialIcons-Regular.woff") format("woff"),

  url("./fonts/MaterialIcons-Regular.ttf") format("truetype");

  ...

}



.material-icons {

  ...

}



```



## Google fonts urls



Plugin additionally supports Google font url transformation to

enable [minification](https://developers.google.com/fonts/docs/getting_started?hl=en#optimizing_your_font_requests):



### Config file



```javascript

// vite.config.js

import FontExtractor from "vite-font-extractor-plugin";



const MaterialIconGoogleFontTarget = {

 // Warning: "+" sign from url should be transformed to plain space sign

 fontName: 'Material Icons', // 'Material+Icons' is wrong notation

 ligatures: ['play_arrow', 'close'],

}



export default defineConfig({

 plugins: [

  FontExtractor({targets: MaterialIconGoogleFontTarget}),

 ],

})

```



### CSS file



```css

/* Import throw css import */

@import "https://fonts.googleapis.com/icon?family=Material+Icons";

```



### HTML file



```html



    

    

    






```



## API



```

FontExtractor(pluginOption: PluginOption): Plugin

```



### PluginOption parameters:



* **type** `"auto" | "manual"`: Type plugin behaviour.

* **targets** `Target[] | Target | undefined`: Targets for font extracting.

* **cache** `boolean | string | undefined`: Enable a minifying result cache.

* **logLevel** `LogLevel | undefined`: Setup a log level for plugin options. By default get a vite config logLevel.

* **apply** `"build" | "serve" | undefined`: Apply the plugin only for serve or build, or on certain conditions

* **ignore** `string[] | undefined`: Font names what will be ignored by plugin processing



### Target parameters:



* **fontName** `string`: The font filename that is to be extracted.

* **ligatures** `string[] | undefined`: An array of ligatures to extracted from the font.

* **raws** `string[] | undefined`: An array of unicode and symbols that will found and extracted from the font.

* **withWhitespace** `boolean | undefined`: Set to true if you want to include whitespace glyphs in the font.



### Returns



* **Plugin**: plugin model for vite.



## License



`vite-font-extractor-plugin` is released under the MIT License. See the LICENSE file for details.



## Contributions



Contributions are welcome! If you find a bug or want to add a new feature, please open an issue or submit a pull

request.