Function computeReplacedSel

external/.scrollLibs.js:6436–6455

(doc, changes, hint)

  // Used by replaceSelections to allow moving the selection to the
  // start or around the replaced test. Hint may be "start" or "around".
  function computeReplacedSel(doc, changes, hint) {
    var out = []
    var oldPrev = Pos(doc.first, 0),
      newPrev = oldPrev
    for (var i = 0; i < changes.length; i++) {
      var change = changes[i]
      var from = offsetPos(change.from, oldPrev, newPrev)
      var to = offsetPos(changeEnd(change), oldPrev, newPrev)
      oldPrev = change.to
      newPrev = to
      if (hint == "around") {
        var range = doc.sel.ranges[i],
          inv = cmp(range.head, range.anchor) < 0
        out[i] = new Range(inv ? to : from, inv ? from : to)
      } else {
        out[i] = new Range(from, from)
      }
    }
    return new Selection(out, doc.sel.primIndex)
  }

  // Used to get the editor into a consistent state again when options change.