isLeftAlignedWith (other) {
    if (other.isNull()) return false
    if (other.isContainerSelection()) {
      // console.log('PropertySelection.isLeftAlignedWith: delegating to ContainerSelection.isLeftAlignedWith...')
      return other.isLeftAlignedWith(this)
    }
    return (isArrayEqual(this.path, other.path) &&
      this.start.offset === other.start.offset)
  }
Checks if this selection has the left boundary in common with another one.

@param {Selection} other
@returns {Boolean}