Method getDirection

content_scripts/mode_visual.js:146–161

()

  // NOTE(smblott). This could be better, see: https://dom.spec.whatwg.org/#interface-range
  // (however, that probably wouldn't work for inputs).
  getDirection() {
    // Try to move the selection forward or backward, check whether it got bigger or smaller (then
    // restore it).
    for (const direction of [forward, backward]) {
      const change = this.extendByOneCharacter(direction);
      if (change) {
        this.extendByOneCharacter(this.opposite[direction]);
        if (change > 0) {
          return direction;
        } else {
          return this.opposite[direction];
        }
      }
    }
    return forward;
  }

  collapseSelectionToAnchor() {
    if (this.selection.toString().length == 0) return;