src/charts/bar.js
function drawVerticalExtendedLine() {
            baseLine = svg.select('.grid-lines-group')
                .selectAll('line.extended-y-line')
                .data([0])
                .enter()
                  .append('line')
                    .attr('class', 'extended-y-line')
                    .attr('y1', (xAxisPadding.bottom))
                    .attr('y2', chartHeight)
                    .attr('x1', 0)
                    .attr('x2', 0);
        }
function drawVerticalExtendedLine() {
            baseLine = svg.select('.grid-lines-group')
                .selectAll('line.extended-y-line')
                .data([0])
                .enter()
                  .append('line')
                    .attr('class', 'extended-y-line')
                    .attr('y1', (xAxisPadding.bottom))
                    .attr('y2', chartHeight)
                    .attr('x1', 0)
                    .attr('x2', 0);
        }
function drawVerticalExtendedLine ( ) { baseLine = svg . select ( '.grid-lines-group' ) . selectAll ( 'line.extended-y-line' ) . data ( [ 0 ] ) . enter ( ) . append ( 'line' ) . attr ( 'class' , 'extended-y-line' ) . attr ( 'y1' , ( xAxisPadding . bottom ) ) . attr ( 'y2' , chartHeight ) . attr ( 'x1' , 0 ) . attr ( 'x2' , 0 ) ; }
Draws a vertical line to extend y-axis till the edges
@return {void}
Draws a vertical line to extend y - axis till the edges