lib/diagram/common/diagram-base.js
/**
   * Make base document structure.
   * @returns {Selection} Div container to contain SVG.
   * @protected
   */
Make base document structure.
@returns {Selection} Div container to contain SVG.
@protected
Make base document structure . @returns { Selection } Div container to contain SVG . @protected
makeDiagramContainer() {
    return select('body')
      .select('div#visualizer')
      .append('div')
      .attr('class', 'network-layer')
  }
makeDiagramContainer ( ) { return select ( 'body' ) . select ( 'div#visualizer' ) . append ( 'div' ) . attr ( 'class' , 'network-layer' ) }
Make base document structure.
Make base document structure .
// add div to keep compatibility with topology visualizer