angular/components

bug(mat-date-picker): Horizontal scroll bar during resize, Touch UI

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#19,071 建立於 2020年4月14日

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P4area: material/datepickerhelp wanted

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描述

Reproduction

Steps to reproduce:

  1. Enable touch UI
  2. Resize the screen

Expected Behavior

What behaviour were you expecting to see? A responsive behaviour of the mat date picker where there does not show an (un-needed) scrollbar.

Actual Behavior

What behavior did you actually see? A scrollbar upon resizing when there is plenty of room to show the date picker without a horizontal scroll bar.

Environment

  • Angular: 9
  • CDK/Material: 9.2.0
  • Browser(s): Chrome
  • Operating System (e.g. Windows, macOS, Ubuntu): Windows

貢獻者指南

研究方向
Investigate the CSS and template of the mat date picker component in the Angular Material source (likely in src/lib/datepicker/). Look at the container that wraps the calendar and identify CSS properties that cause horizontal overflow when resizing in touch UI mode. Check if there are any media queries or flexbox settings that should adjust. Examine related issues or PRs for similar scrollbar fixes. No linked PRs exist currently.
技術棧
angulartypescriptcsshtml
領域
frontend
議題類型
錯誤
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
3
預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。
半天
活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。
較久未更新
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
大致清晰
前置要求
Familiarity with Angular Material date pickerCSS overflow and scroll behavior
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
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