src/charts/bullet.js
function bulletWidth(x) {
            const x0 = x(0);

            return function (d) {
                return Math.abs(x(d) - x0);
            }
        }
function bulletWidth(x) {
            const x0 = x(0);

            return function (d) {
                return Math.abs(x(d) - x0);
            }
        }
function bulletWidth ( x ) { const x0 = x ( 0 ) ; return function ( d ) { return Math . abs ( x ( d ) - x0 ) ; } }
Calculates width for each bullet using scale
@return {void}
@private
Calculates width for each bullet using scale