function createMaskingClip() {
            if (maskingClip) {
                svg.selectAll(`#${maskingClipId}`).remove();
            }

            if (isAnimated) {
                maskingClip = svg.select('.metadata-group')
                  .append('clipPath')
                    .attr('id', maskingClipId)
                    .attr('class', 'clip-path')
                      .append('rect')
                        .attr('width', 0)
                        .attr('height', height);

                d3Selection.select(`#${maskingClipId} rect`)
                    .transition()
                    .ease(ease)
                    .duration(clipDuration)
                    .attr('width', width);
            }
        }
Creates a masking clip that would help us fake an animation if the
proper flag is true

@return {void}