Given a DOM node, return a unique CSS selector matching only that element
^1.5.1
^6.26.0
^6.26.3
^6.24.1
^4.3.4
~1.1.0
^8.57.1
^19.0.0
^7.37.5
^3.6.0
^27.4.0
~9.1.3
^2.0.0
~4.1.0
^1.0.2