in src/gantt.ts [2154:2176]
private updateCommonTasks(groupedTasks: GroupedTask[]): void {
if (!this.viewModel.settings.general.groupTasks) {
groupedTasks.forEach((groupedTask: GroupedTask) => {
const currentTaskName: string = groupedTask.name;
if (_.includes(this.collapsedTasks, currentTaskName)) {
const firstTask: Task = groupedTask.tasks && groupedTask.tasks[0];
const tasks = groupedTask.tasks;
tasks.forEach((task: Task) => {
if (task.children) {
const childrenColors = task.children.map((child: Task) => child.color).filter((color) => color);
const minChildDateStart = _.min(task.children.map((child: Task) => child.start).filter((dateStart) => dateStart));
const maxChildDateEnd = _.max(task.children.map((child: Task) => child.end).filter((dateStart) => dateStart));
firstTask.color = !firstTask.color && task.children ? childrenColors[0] : firstTask.color;
firstTask.start = _.min([firstTask.start, minChildDateStart]);
firstTask.end = <any>_.max([firstTask.end, maxChildDateEnd]);
}
});
groupedTask.tasks = firstTask && [firstTask] || [];
}
});
}
}