removeEmptyContainers

Default

Remove container elements in the document that have no children or meaningful attributes, excluding the <svg> element which is ignored.

A container, as defined in the SVG specifications, is an SVG element that can have graphical child elements. Container elements include:

• <a>
• <defs>
• <glyph>
• <g>
• <marker>
• <mask>
• <missing-glyph>
• <pattern>
• <svg>
• <switch>
• <symbol>

Usage

svgo.config.js

module.exports = {
  plugins: [
    "removeEmptyContainers"
  ]
}

Demo

Live Editor

const svg = `
<?xml version="1.0" encoding="UTF-8"?>
<svg xmlns="http://www.w3.org/2000/svg" viewBox=" 0 0  150 100 " width="150">
  <!-- Created with love! -->
  <defs>
    <ellipse cx="50" cy="50.0" rx="50.00" ry="auto" fill="black" id="circle"/>
  </defs>
  <g>
    <use href="#circle" transform="skewX(16)"/>
    <rect id="useless" width="0" height="0" fill="#ff0000"/>
  </g>
</svg>
`;

const svgoConfig = {
  js2svg: { indent: 2, pretty: true },
  plugins: [
    "removeEmptyContainers"
  ]
}

render(<SvgoPreview svg={svg} svgoConfig={svgoConfig}/>);

Result

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