/layercake/src/_modules/arrowUtils.js:62:33
Error: Expected 1-2 arguments, but got 3. 
            data = data.map((d, i) => {
                        return [xValue.call(data, d, i), yValue.call(data, d, i)];
                });

/layercake/src/_modules/arrowUtils.js:62:58
Error: Expected 1-2 arguments, but got 3. 
            data = data.map((d, i) => {
                        return [xValue.call(data, d, i), yValue.call(data, d, i)];
                });