moroshko/react-autosuggest

Input field caret position always resets to the end of the input

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#403 建立於 2017年7月12日

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 (7 留言) (4 反應) (0 負責人)JavaScript (5,936 star) (637 fork)batch import
bughelp wanted

描述

The bug is testable with the Scrollable container example on http://react-autosuggest.js.org/

To reproduce:

  1. Focus on the input field
  2. Type ac
  3. Place the caret between a and c
  4. Type b

Observed behavior:

The caret jumps to the end.

Expected behavior:

The caret should stay between b and c.

貢獻者指南

技術棧
javascriptreact
領域
frontend
議題類型
bug
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。
2
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。
1-3 hours
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。
stale
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
clear
前置要求
React basicsDOM manipulation
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。
65
研究方向
Examine the Autosuggest component in the repository, likely in src/Autosuggest.js or similar. The caret position issue is related to how the input value is managed in React controlled components. Look for how the input's selectionStart and selectionEnd are handled after setState. Check if there is a known pattern to preserve caret position, such as using a ref and manually setting selectionStart after render. Also review any linked PRs or comments for attempted solutions or maintainer input. The fix should ensure that when the value updates, the caret remains at the user's intended position rather than resetting to the end.