svgdom/src/dom/mixins/NonDocumentTypeChildNode.js

Straightforward DOM implementation for SVG, HTML and XML

export const NonDocumentTypeChildNode = {

}

Object.defineProperties(NonDocumentTypeChildNode, {
  previousElementSibling: {
    get () {
      let node
      while ((node = this.previousSibling)) {
        if (node.nodeType === node.ELEMENT_NODE) {
          return node
        }
      }
      return null
    }
  },

  nextElementSibling: {
    get () {
      let node
      while ((node = this.nextSibling)) {
        if (node.nodeType === node.ELEMENT_NODE) {
          return node
        }
      }
      return null
    }
  }
})