in src/dataRoleHelper.ts [54:64]
export function getCategoryIndexOfRole(categories: DataViewCategoryColumn[], roleName: string): number {
if (categories && categories.length) {
for (let i = 0, ilen = categories.length; i < ilen; i++) {
if (hasRole(categories[i].source, roleName)) {
return i;
}
}
}
return -1;
}