Function bucketTasksByDueDate

packages/shared-domain/src/tasks.ts:393–405

(
  tasks: VaultTask[]
)

 *  calendar on its date (#236). Tasks without a due date land in the special
 *  `'unscheduled'` key. */
export function bucketTasksByDueDate(
  tasks: VaultTask[]
): Map<string, VaultTask[]> {
  const map = new Map<string, VaultTask[]>()
  for (const task of tasks) {
    if (task.checked) continue
    const key = task.due ?? 'unscheduled'
    const list = map.get(key)
    if (list) list.push(task)
    else map.set(key, [task])
  }
  return map
}