nl_tokens: Transforms the top / left variables of the rectangle returned by getBoundingClientRect to document based coordinates without the scroll . UPDATE
pl_tokens: function transformBoundingClientRectToDocument ( box ) { var t ; const scrollX = ( ( ( t = document . documentElement ) || ( t = document . body . parentNode ) ) && typeof t . scrollLeft == "number" ? t : document . body ) . scrollLeft ; const scrollY = ( ( ( t = document . documentElement ) || ( t = document . body . parentNode ) ) && typeof t . scrollTop == "number" ? t : document . <mask> ) . scrollTop ; //This assumes width == height const ttop = box . top - scrollY ; const tleft = box . left - scrollX ; //info needed to draw line from center to mousepos return { top : ttop , left : tleft , width : box . width , height : box . height } }