Migrate d3js to v4 and correct d3js visualisations i.e. bug 3.20. Breadcrumb navigation for the language treemap has been improved
import Ember from 'ember';
export function author(params) {
if(params[0]) {
return 'par ' + params[0].join(', ');
}
return;
}
export default Ember.Helper.helper(author);