var MAP = [
        "############",
        "#A         #",
        "#          #",
        "#          #",
        "#          #",
        "#          #",
        "#         B#",
        "############"
    ], MAP_H = MAP.length, MAP_W = MAP[0].length, pointA, pointB, received = [], truePaths = [];

(function(){

    function findPath(actpos, path){
        //console.log('-----------------------');
        //console.log('comparing ' + actpos.join(', ') + ' to ' + pointB.join(', ') + '...');
        //console.log('-----------------------');

        if(actpos.join('') == pointB.join('')){
            console.log("-----------------------");
            console.log("---- FOUND PATH!!! ----");
            console.log(path.join('; '));
            console.log('-----------------------');

            truePaths.push(path);

            return 1;
        }

        var enabled = [
            [actpos[0]-1, actpos[1]],
            [actpos[0]+1, actpos[1]],
            [actpos[0], actpos[1]-1],
            [actpos[0], actpos[1]+1]
        ];

        for(var j in enabled){
            if(enabled[j][0] < 0 || enabled[j][0] >= MAP_W || enabled[j][1] < 0 || enabled[j][1] >= MAP_H){
                continue;
            }

            else if(received[enabled[j][1] * MAP_W + enabled[j][0]] == "1"){
                continue;
            }

            var _x = path;
            _x.push(actpos);

            received[enabled[j][1] * MAP_W + enabled[j][0]] = "1";
            findPath(enabled[j], _x);
        }
    }

    //find a, b
    for(var y=0;y<MAP_H;y++){
        for(var x=0;x<MAP_W;x++){

            //prepare received(completed cords)
            if(MAP[y][x] == '#')
                received.push("1");
            else
                received.push("0");

            //check point
            if(MAP[y][x] == 'A'){
                pointA = [x, y];
            }
            else if(MAP[y][x] == 'B'){
                pointB = [x, y];
            }
        }
    }

    if(!pointA || !pointB){
        console.warn("Could not found A or B point!");
        return -1;
    }


    findPath(pointA, []);

    return truePaths.length > 0;
})();

console.log(truePaths);