prevent undefined previous waypoint on dragNewWaypoint

perliedman / leaflet-routing-machine

Control for routing in Leaflet

https://www.liedman.net/leaflet-routing-machine/

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prevent undefined previous waypoint on dragNewWaypoint #701

Closed TheHikingClub closed 3 months ago

TheHikingClub commented 4 months ago

Fixes #589 by ensuring newWPIndex is not set to 0. If so, change to 1 to ensure prevWP can be set. Found this issue tends to appear when a route loops and has the same start and finish location.

curtisy1 commented 3 months ago

Sorry for the late reply. I was on holiday, so I didn't have the chance to respond and review before now.

Looks good to me! Thanks for fixing this!