in src/dataRoleHelper.ts [34:52]
export function getMeasureIndexOfRole(grouped: DataViewValueColumnGroup[], roleName: string): number {
if (!grouped || !grouped.length) {
return -1;
}
let firstGroup = grouped[0];
if (firstGroup.values && firstGroup.values.length > 0) {
for (let i = 0, len = firstGroup.values.length; i < len; ++i) {
let value = firstGroup.values[i];
if (value && value.source) {
if (hasRole(value.source, roleName)) {
return i;
}
}
}
}
return -1;
}