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PhoneInput: controllable country + detect country from pasted numbers

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难度
3/5
预计耗时
1-2 天
新手友好度
55/100
Issue 类型
功能
描述清晰度
基本清楚
活跃度
活跃
技术栈
react, typescript
领域
frontend

调研方向

Start with the PhoneInput component's selectedCountry state, initialised from defaultCountry via getCountryByCode and COUNTRIES, and read ARCHITECTURE.md for the controlled/uncontrolled pattern and the useControllableState helper. Add country and onCountryChange props, then handle a leading + in the input by matching the longest dial code and stripping the prefix. Done when the acceptance tests pass: a controlled country follows the parent, pasting +44 selects GB, and +1 keeps CA when CA is selected, and the props table in the docs is updated.

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描述

enhancement priority: medium

PhoneInput: controllable country + detect country from pasted numbers

Today the selected country is internal state seeded once from defaultCountry:

const [selectedCountry, setSelectedCountry] = React.useState(() => getCountryByCode(defaultCountry) ?? COUNTRIES[0]);

This breaks the library's controlled/uncontrolled convention (see ARCHITECTURE.md) — a parent can't change or reset the country, and changing defaultCountry after mount does nothing.

Proposal
  • Add country / onCountryChange and route both through useControllableState; keep defaultCountry for uncontrolled use.
  • When the user types or pastes a number starting with + (e.g. +44 20 7946 0958), match the longest dial code, switch the country and strip the prefix from the input value.
  • Shared dial codes (+1 US/CA, +7 RU/KZ): keep the currently selected country if it matches, else pick the first.
Acceptance
  • Tests: controlled country follows parent; paste +44… selects GB; +1 keeps CA if CA selected
  • Docs updated with props table
主要语言
TypeScript
星标
39
派生
16
平均合并
2 天 12 小时
30 天内合并 PR
10

环境准备

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  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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