gulp-embed-svg

Gulp plugin to inline/embed SVG images into html files.

Features

Inline/embed any images with an SVG source attribute (i.e. <img src="some.svg">) and <svg> tags with a src attribute (i.e. <svg src="some.svg">).
Preserves all/select attributes via RegEx.
Optionally create a spritesheet from the inlined SVGs.

Installation

npm i --save-dev gulp-embed-svg

Quick Start

const embedSvg = require('gulp-embed-svg');

gulp.task('embedSvgs', () =>
  gulp.src('*.html')
    .pipe(embedSvg())
    .pipe(gulp.dest('dist/')));

This gulp task will inline/embed any images with an SVG source attribute (i.e. <img src="some.svg">) and <svg> tags with a src attribute.

Options

attrs: Provide a regular expression to transfer select attributes from matched tags to embedded <svg>s.
createSpritesheet: Set to true to embed SVGs via a spritesheet. This reduces generated HTML filesize if you use the same SVG several times on a page.
decodeEntities: Set to true to decode HTML entities within the document.
root: Provide the root folder where SVG source images are located.
selectors: Provide custom CSS selectors to specify which tags should be replaced by embedded SVGs.
spriteIdFn: Customize the id assigned to the sprites by providing a function that resolves path and index to a string.
spritesheetClass: Customize the CSS class assigned to the generated spritesheet.
xmlMode: Whether or not to read files in xml mode.

selectors `string | Array<string>`

Provide custom CSS selectors to specify which tags should be replaced by embedded SVGs.

default: `['img[src$=".svg"]', 'svg[src$=".svg"]']`

All <img> and <svg> tags with an svg source.

Example: Only embed tags with a specific class

HTML layout

<html>
  <head><!-- ... --></head>
  <body>
    <!-- ... -->
    <svg src="github-icon.svg" class="inline-svg"></svg>
    <img src="other-icon.svg" />
    <!-- ... -->
  </body>
</html>

Gulp task

const embedSvg = require('gulp-embed-svg');

gulp.task('embedSvgs', () =>
  gulp.src('*.html')
    .pipe(embedSvg({
      selectors: '.inline-svg' // only replace tags with the class inline-svg
    }))
    .pipe(gulp.dest('dist/')));

Output

<html>
  <head><!-- ... --></head>
  <body>
    <!-- ... -->
    <svg class="inline-svg"><!-- svg markup from github-icon.svg --></svg>
    <img src="other-icon.svg" />
    <!-- ... -->
  </body>
</html>

attrs `string | RegExp`

Provide a regular expression to transfer select attributes from matched tags to embedded <svg>s.

Attention: Attributes from matched tags take precedence over corresponding attributes in the source .svg file.

default: `^(?!src).*$`

Transfer/preserve any attribute but src.

Example: Preserve/transfer specific attribute

HTML layout

<html>
<head><!-- ... --></head>
<body>
  <!-- ... -->
  <svg src="github-icon.svg" class="icon"></svg>
  <!-- ... -->
</body>
</html>

Gulp task

const embedSvg = require('gulp-embed-svg');

gulp.task('embedSvgs', () =>
  gulp.src('*.html')
    .pipe(embedSvg({
      attrs: /class/ // only transfer/preserve class attribute
    }))
    .pipe(gulp.dest('dist/')));

Output

<html>
  <head><!-- ... --></head>
  <body>
    <!-- ... -->
    <svg class="icon"><!-- svg markup from github-icon.svg --></svg>
    <!-- ... -->
  </body>
</html>

decodeEntities `boolean`

Set to true to decode HTML entities within the document.

default: `false`

Example: Replace potential entities in document with html entities

HTML layout

<html>
  <head><!-- ... --></head>
  <body>
    <!-- ... -->
    <span>Foo © bar 𝌆 baz ☃ qux</span>
    <svg src="github-icon.svg"></svg>
    <!-- ... -->
  </body>
</html>

Gulp task

const embedSvg = require('gulp-embed-svg');

gulp.task('embedSvgs', () =>
  gulp.src('*.html')
    .pipe(embedSvg({
      decodeEntities: true
    }))
    .pipe(gulp.dest('dist/')));

Output

<html>
  <head><!-- ... --></head>
  <body>
    <!-- ... -->
    <span>Foo &#xA9; bar &#x1D306; baz &#x2603; qux</span>
    <svg class="icon"><!-- svg markup from github-icon.svg --></svg>
    <!-- ... -->
  </body>
</html>

root `string`

Provide the root folder where SVG source images are located.

default: `__dirname`

The folder in which the task is executed.

Example: Alternate svg root

HTML layout

<html>
  <head><!-- ... --></head>
  <body>
    <!-- ... -->
    <svg src="github-icon.svg"></svg>
    <!-- ... -->
  </body>
</html>

Folder structure

  /src
    index.html
    gulpfile.js
    /assets
      github-icon.svg

Gulp task

const embedSvg = require('gulp-embed-svg');

gulp.task('embedSvgs', () =>
  gulp.src('*.html')
    .pipe(embedSvg({
      root: './assets'
    }))
    .pipe(gulp.dest('dist/')));

createSpritesheet `boolean`

Set to true to embed SVGs via a spritesheet. This reduces generated HTML filesize if you use the same SVG several times on a page.

default: `false`

Attention: If your SVGs contain gradients, please make sure their respective id attribute values are unique among all gradients that are embedded on your page. The reason behind this is that, in order to support most (if not all) browsers, we need to extract gradient definitions from the SVGs and save them separately in the spritesheet. If there are duplicate gradient ids, the browser is having a hard time determining which one to use.

Example: Create an svg spritesheet

HTML Layout

<html>
  <head><!-- ... --></head>
  <body>
    <!-- ... -->
    <svg src="github-icon.svg"></svg>
    <!-- ... -->
    <svg src="github-icon.svg"></svg>
    <!-- ... -->
  </body>
</html>

Folder structure

  /src
    index.html
    gulpfile.js
    /assets
      github-icon.svg

Gulp task

const embedSvg = require('gulp-embed-svg');

gulp.task('embedSvgs', () =>
  gulp.src('*.html')
    .pipe(embedSvg({
      root: './assets',
      createSpritesheet: true
    }))
    .pipe(gulp.dest('dist/')));

Output

<html>
  <head><!-- ... --></head>
  <body>
    <svg class="svg-sprites">
      <symbol id="svg-sprite-0">
        <!-- source of github-icon.svg -->
      </symbol>
    </svg>
    <!-- ... -->
    <svg>
      <use xlink:href="#svg-sprite-0">
    </svg>
    <!-- ... -->
    <svg>
      <use xlink:href="#svg-sprite-0">
    </svg>
    <!-- ... -->
  </body>
</html>

spritesheetClass `string`

Customize the CSS class assigned to the generated spritesheet.

default: `svg-sprites`

Example: Change spritesheet class to my-sprites

HTML Layout

<html>
  <head><!-- ... --></head>
  <body>
    <!-- ... -->
    <svg src="github-icon.svg"></svg>
    <!-- ... -->
    <svg src="github-icon.svg"></svg>
    <!-- ... -->
  </body>
</html>

Folder structure

  /src
    index.html
    gulpfile.js
    /assets
      github-icon.svg

Gulp task

const embedSvg = require('gulp-embed-svg');

gulp.task('embedSvgs', () =>
  gulp.src('*.html')
    .pipe(embedSvg({
      root: './assets',
      createSpritesheet: true,
      spritesheetClass: 'my-sprites'
    }))
    .pipe(gulp.dest('dist/')));

Output

<html>
  <head><!-- ... --></head>
  <body>
    <svg class="my-sprites">
      <symbol id="svg-sprite-0">
        <!-- source of github-icon.svg -->
      </symbol>
    </svg>
    <!-- ... -->
    <svg>
      <use xlink:href="#svg-sprite-0">
    </svg>
    <!-- ... -->
    <svg>
      <use xlink:href="#svg-sprite-0">
    </svg>
    <!-- ... -->
  </body>
</html>

spriteIdFn `function`

Customize the id assigned to the sprites by providing a function that resolves path and index to a string. The function receives the absolute/resolved path to the source SVG file as well as the index of the sprite within the page as parameters.

default: (path, i) => `svg-sprite-${i}`

Example: Use the filename as id

HTML Layout

<html>
  <head><!-- ... --></head>
  <body>
    <!-- ... -->
    <svg src="github-icon.svg"></svg>
    <!-- ... -->
    <svg src="javascript-icon.svg"></svg>
    <!-- ... -->
  </body>
</html>

Folder structure

  /src
    index.html
    gulpfile.js
    /assets
      github-icon.svg
      javascript-icon.svg

Gulp task

const embedSvg = require('gulp-embed-svg');
const basename = require('path').basename;

gulp.task('embedSvgs', () =>
  gulp.src('*.html')
    .pipe(embedSvg({
      root: './assets',
      createSpritesheet: true,
      spriteIdFn: (path, i) => basename(path, '.svg')
    }))
    .pipe(gulp.dest('dist/')));

Output

<html>
  <head><!-- ... --></head>
  <body>
    <svg class="svg-sprites">
      <symbol id="github-icon">
        <!-- source of github-icon.svg -->
      </symbol>
      <symbol id="javascript-icon">
        <!-- source of javascript-icon.svg -->
      </symbol>
    </svg>
    <!-- ... -->
    <svg>
      <use xlink:href="#github-icon">
    </svg>
    <!-- ... -->
    <svg>
      <use xlink:href="#javascript-icon">
    </svg>
    <!-- ... -->
  </body>
</html>

xmlMode `boolean`

Flag to toggle xml mode.

Name		Name	Last commit message	Last commit date
Latest commit History 82 Commits
.circleci		.circleci
.github		.github
.husky		.husky
lib		lib
test		test
.gitignore		.gitignore
.npmignore		.npmignore
CHANGELOG.md		CHANGELOG.md
LICENSE		LICENSE
README.md		README.md
package-lock.json		package-lock.json
package.json		package.json

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gulp-embed-svg

Features

Installation

Quick Start

Options

selectors `string | Array<string>`

default: `['img[src$=".svg"]', 'svg[src$=".svg"]']`

Example: Only embed tags with a specific class

attrs `string | RegExp`

default: `^(?!src).*$`

Example: Preserve/transfer specific attribute

decodeEntities `boolean`

default: `false`

Example: Replace potential entities in document with html entities

root `string`

default: `__dirname`

Example: Alternate svg root

createSpritesheet `boolean`

default: `false`

Example: Create an svg spritesheet

spritesheetClass `string`

default: `svg-sprites`

Example: Change spritesheet class to my-sprites

spriteIdFn `function`

default: (path, i) => `svg-sprite-${i}`

Example: Use the filename as id

xmlMode `boolean`

default: `true`

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ddowie/gulp-embed-svg

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Repository files navigation

gulp-embed-svg

Features

Installation

Quick Start

Options

selectors string | Array<string>

default: ['img[src$=".svg"]', 'svg[src$=".svg"]']

Example: Only embed tags with a specific class

attrs string | RegExp

default: ^(?!src).*$

Example: Preserve/transfer specific attribute

decodeEntities boolean

default: false

Example: Replace potential entities in document with html entities

root string

default: __dirname

Example: Alternate svg root

createSpritesheet boolean

default: false

Example: Create an svg spritesheet

spritesheetClass string

default: svg-sprites

Example: Change spritesheet class to my-sprites

spriteIdFn function

default: (path, i) => `svg-sprite-${i}`

Example: Use the filename as id

xmlMode boolean

default: true

Changelog

License

About

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Packages 0

Languages

selectors `string | Array<string>`

default: `['img[src$=".svg"]', 'svg[src$=".svg"]']`

attrs `string | RegExp`

default: `^(?!src).*$`

decodeEntities `boolean`

default: `false`

root `string`

default: `__dirname`

createSpritesheet `boolean`

default: `false`

spritesheetClass `string`

default: `svg-sprites`

spriteIdFn `function`

xmlMode `boolean`

default: `true`

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