transformFlatData loses tasks if child sorted before parent

[chuckn0rris]

Forum post

Hi,

we have an issue with the gantt and child tasks. if we use transformFlatData and the the data doesn't come in the correct order the gantt loses tasks.

Please look at the sample here:
https://codepen.io/black_espresso/pen/jOXrPvW?editors=1011
"New Task" should have the child task "a" but none is visible.

The reason, in the project data (found here: https://testsite12.z6.web.core.windows.net/project.json) tasks "a" comes before "New Tasks". If the order is changed it works.

I just want to ask if this is by design or a bug because it would make it much easier for us if the taskstore can handles those cases.