使用range時，如何自動選擇所計算出的selectEnd？（如，選一週的某一天，自動帶出所在周的range）

[yhlin00001]

Ionic version: (check one with "x") [ ] 2.x [ ] 3.x [x] 4.x

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I'm submitting a ... (check one with "x") [ ] bug report [ ] feature request [ ] help me

Current behavior:

Expected behavior:

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https://app.leanboard.io/board/7fa2ac4b-21cc-4230-b852-b56baf8861a9