assetgraph/lib/relations/SvgUse.js

An auto discovery dependency graph based optimization framework for web pages and applications

const SvgRelation = require('./SvgRelation');

class SvgUse extends SvgRelation {
  get href() {
    if (this.isXlink) {
      return this.node.getAttributeNS('http://www.w3.org/1999/xlink', 'href');
    } else {
      return this.node.getAttribute('href');
    }
  }

  set href(href) {
    if (this.isXlink) {
      this.node.setAttributeNS(
        'http://www.w3.org/1999/xlink',
        'xlink:href',
        href
      );
    } else {
      this.node.setAttribute('href', href);
    }
  }

  attach(position, adjacentRelation) {
    this.node = this.from.parseTree.createElement('use');
    return super.attach(position, adjacentRelation);
  }
}

SvgUse.prototype.targetType = 'Svg';

module.exports = SvgUse;