substance/util/setDOMSelection.js

Substance is a JavaScript library for web-based content editing. It provides building blocks for realizing custom text editors and web-based publishing system. It is developed to power our online editing platform [Substance](http://substance.io).

export default function setDOMSelection (startNode, startOffset, endNode, endOffset) {
  const wsel = window.getSelection()
  const wrange = window.document.createRange()
  if (startNode._isDOMElement) {
    startNode = startNode.getNativeElement()
  }
  if (!endNode) {
    endNode = startNode
    endOffset = startOffset
  }
  if (endNode._isDOMElement) {
    endNode = endNode.getNativeElement()
  }
  wrange.setStart(startNode, startOffset)
  wrange.setEnd(endNode, endOffset)
  wsel.removeAllRanges()
  wsel.addRange(wrange)
}