As far as I know all tile based map editors export a JSON object containing one dimensional arrays. While most pathfinding libraries/tutorials are only provided for two dimensional arrays.
Also if for example I would like to do pathfinding in this one dimensional array and this array is huge i'm geussing this would cause performance issues.
So why is it that most tile based map editors output a one dimensional and how should I handle those regarding pathfinding?
example tile editor:
Just google pathfinding to find all the two dimensional patfhfinding tutorials