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grunt-webfont2

v1.0.0

Published

USA Edition of grunt-webfont

Downloads

5

Readme

SVG to webfont converter for Grunt

Build Status Downloads on npm

Generate custom icon webfonts from SVG files via Grunt. Based on Font Custom.

This task will make all you need to use font-face icon on your website: font in all needed formats, CSS/Sass/LESS/Stylus and HTML demo page.

Features

  • Works on Mac, Windows and Linux.
  • Very flexible.
  • Supports all web font formats: WOFF, WOFF2, EOT, TTF and SVG.
  • Semantic: uses Unicode private use area.
  • Cross-browser: IE8+.
  • BEM or Bootstrap output CSS style.
  • CSS preprocessors support.
  • Data:uri embedding.
  • Ligatures.
  • HTML preview.
  • Custom templates.

Installation

This plugin requires Grunt 0.4. Note that ttfautohint is optional, but your generated font will not be properly hinted if it’s not installed. And make sure you don’t use ttfautohint 0.97 because that version won’t work.

OS X

brew install ttfautohint fontforge --with-python
npm install grunt-webfont --save-dev

You may need to use sudo for brew, depending on your setup.

fontforge isn’t required for node engine (see below).

:skull: Notes on experimental WOFF2 support.

Linux

sudo apt-get install fontforge ttfautohint
npm install grunt-webfont --save-dev

fontforge isn’t required for node engine (see below).

:skull: Notes on experimental WOFF2 support.

Windows

npm install grunt-webfont --save-dev

Then install ttfautohint (optional).

Only node engine available (see below).

Available Engines

There are two font rendering engines available. See also engine option below.

fontforge

Pros

  • All features supported.
  • The best results.

Cons

  • Doesn’t work on Windows.
  • You have to install fontforge.
  • Really weird bugs sometimes.

node

Pros

  • No external dependencies (except optional ttfautohint).
  • Works on all platforms.

Cons

  • Doesn’t work with some SVG files.
  • Ligatures aren’t supported.

Configuration

Add somewhere in your Gruntfile.js:

grunt.loadNpmTasks('grunt-webfont');

Inside your Gruntfile.js file add a section named webfont. See Parameters section below for details.

Parameters

src

Type: string|array

Glyphs list: SVG. String or array. Wildcards are supported.

dest

Type: string

Directory for resulting files.

destCss

Type: string Default: dest value

Directory for resulting CSS files (if different than font directory).

Options

All options should be inside options object:

webfont: {
	icons: {
		src: 'icons/*.svg',
		dest: 'build/fonts',
		options: {
			...
		}
	}
}

font

Type: string Default: icons

Name of font and base name of font files.

fontFilename

Type: string Default: Same as font option

Filename for generated font files, you can add placeholders for the same data that gets passed to the template.

For example, to get the hash to be part of the filenames:

options: {
	fontFilename: 'icons-{hash}'
}

hashes

Type: boolean Default: true

Append font file names with unique string to flush browser cache when you update your icons.

styles

Type: string|array Default: 'font,icon'

List of styles to be added to CSS files: font (font-face declaration), icon (base .icon class), extra (extra stuff for Bootstrap (only for syntax = 'bootstrap').

types

Type: string|array Default: 'eot,woff,ttf', available: 'eot,woff2,woff,ttf,svg'

Font files types to generate.

:skull: Notes on experimental WOFF2 support.

order

Type: string|array Default: 'eot,woff,ttf,svg'

Order of @font-face’s src values in CSS file. (Only file types defined in types option will be generated.)

syntax

Type: string Default: bem

Icon classes syntax. bem for double class names: icon icon_awesome or bootstrap for single class names: icon-awesome.

template

Type: string Default: null

Custom CSS template path (see tasks/templates for some examples). Should be used instead of syntax. (You probably need to define htmlDemoTemplate option too.)

Template is a pair of CSS and JSON (optional) files with the same name.

For example, your Gruntfile:

options: {
	template: 'my_templates/tmpl.css'
}

my_templates/tmpl.css:

@font-face {
	font-family:"<%= fontBaseName %>";
	...
}
...

my_templates/tmpl.json:

{
	"baseClass": "icon",
	"classPrefix": "icon_"
}

Some extra data is available for you in templates:

  • hash: a unique string to flush browser cache. Available even if hashes option is false.

  • fontRawSrcs: array of font-face’s src values not merged to a single line:

[
	[
		'url("icons.eot")'
	],
	[
		'url("icons.eot?#iefix") format("embedded-opentype")',
		'url("icons.woff") format("woff")',
		'url("icons.ttf") format("truetype")'
	]
]

templateOptions

Type: object Default: {}

Extends/overrides CSS template or syntax’s JSON file. Allows custom class names in default css templates.

options: {
	templateOptions: {
		baseClass: 'glyph-icon',
		classPrefix: 'glyph_',
		mixinPrefix: 'glyph-'
	}
}

stylesheet

Type: string Default: 'css' or extension of template

Stylesheet type. Can be css, sass, scss, less... If sass or scss is used, _ will prefix the file (so it can be a used as a partial).

relativeFontPath

Type: string Default: null

Custom font path. Will be used instead of destCss in CSS file. Useful with CSS preprocessors.

htmlDemo

Type: boolean Default: true

If true, an HTML file will be available (by default, in destCSS folder) to test the render.

htmlDemoTemplate

Type: string Default: null

Custom demo HTML template path (see tasks/templates/demo.html for an example) (requires htmlDemo option to be true).

destHtml

Type: string Default: destCss value

Custom demo HTML demo path (requires htmlDemo option to be true).

embed

Type: string|array Default: false

If true embeds WOFF (only WOFF) file as data:uri.

IF ttf or woff or ttf,woff embeds TTF or/and WOFF file.

If there are more file types in types option they will be included as usual url(font.type) CSS links.

ligatures

Type: boolean Default: false

If true the generated font files and stylesheets will be generated with opentype ligature features. The character sequences to be replaced by the ligatures are determined by the file name (without extension) of the original SVG.

For example, you have a heart icon in love.svg file. The HTML <h1>I <span class="ligature-icons">love</span> you!</h1> will be rendered as I ♥ you!.

rename

Type: function Default: path.basename

You can use this function to change how file names translates to class names (the part after icon_ or icon-). By default it’s a name of a file.

For example you can group your icons into several folders and add folder name to class name:

options: {
	rename: function(name) {
		// .icon_entypo-add, .icon_fontawesome-add, etc.
		return [path.basename(path.dirname(name)), path.basename(name)].join('-');
	}
}

skip

Type: boolean Default: false

If true task will not be ran. In example, you can skip task on Windows (becase of difficult installation):

options: {
	skip: require('os').platform() === 'win32'
}

engine

Type: string Default: fontforge

Font rendering engine: fontforge or node. See comparison in Available Engines section above.

ie7

Type: boolean Default: false

Adds IE7 support using a *zoom: expression() hack.

startCodepoint

Type: integer Default: 0xF101

Starting codepoint used for the generated glyphs. Defaults to the start of the Unicode private use area.

codepoints

Type: object Default: null

Specific codepoints to use for certain glyphs. Any glyphs not specified in the codepoints block will be given incremented as usual from the startCodepoint, skipping duplicates.

options: {
	codepoints: {
		single: 0xE001
	}
}

codepointsFile

Type: string Default: null

Uses and Saves the codepoint mapping by name to this file.

NOTE: will overwrite the set codepoints option.

autoHint

Type: boolean Default: true

Enables font auto hinting using ttfautohint.

round

Type: number Default: 10e12

Setup SVG path rounding.

fontHeight

Type: number Default: 512

The output font height.

descent

Type: number Default: 64

The font descent. The descent should be a positive value. The ascent formula is: ascent = fontHeight - descent.

callback

Type: function Default: null

Allows for a callback to be called when the task has completed and passes in the filename of the generated font, an array of the various font types created, an array of all the glyphs created and the hash used to flush browser cache.

options: {
	callback: function(filename, types, glyphs, hash) {
		// ...
	}
}

Config Examples

Simple font generation

webfont: {
	icons: {
		src: 'icons/*.svg',
		dest: 'build/fonts'
	}
}

Custom font name, fonts and CSS in different folders

webfont: {
	icons: {
		src: 'icons/*.svg',
		dest: 'build/fonts',
		destCss: 'build/fonts/css',
		options: {
			font: 'ponies'
		}
	}
}

Custom CSS classes

webfont: {
	icons: {
		src: 'icons/*.svg',
		dest: 'build/fonts',
		options: {
			syntax: 'bem',
			templateOptions: {
				baseClass: 'glyph-icon',
				classPrefix: 'glyph_',
				mixinPrefix: 'glyph-'
			}
		}
	}
}

To use with CSS preprocessor

webfont: {
	icons: {
		src: 'icons/*.svg',
		dest: 'build/fonts',
		destCss: 'build/styles',
		options: {
			stylesheet: 'styl',
			relativeFontPath: '/build/fonts'
		}
	}
}

Embedded font file

webfont: {
	icons: {
		src: 'icons/*.svg',
		dest: 'build/fonts',
		options: {
			types: 'woff',
			embed: true
		}
	}
}

CSS Preprocessors Caveats

You can change CSS file syntax using stylesheet option (see above). It change file extension (so you can specify any) with some tweaks. Replace all comments with single line comments (which will be removed after compilation).

SASS

If stylesheet option is sass or scss, _ will prefix the file (so it can be a used as a partial).

LESS

If stylesheet option is less, regular CSS icon classes will be expanded with corresponding LESS mixins.

The LESS mixins then may be used like so:

.profile-button {
	.icon-profile;
}

Changelog

The changelog can be found in the Changelog.md file.

Troubleshooting

I have problems displaying the font in Firefox

Firefox doesn’t allow cross-domain fonts: Specifications, Bugzilla Ticket, How to fix it.

License

The MIT License, see the included License.md file.