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@proteus-vue/i18n

v0.1.0

Published

Proteus 国际化(i18n-plan B1):跨端消息目录 + ICU 子集(插值/复数/选择)+ 类型安全 t()——业务零平台分支

Readme

@proteus-vue/i18n

Proteus 跨端国际化(i18n-plan B1):消息目录 + ICU 子集 + 类型安全 t()

用法

// locales.ts(应用侧单例,as const 获得类型安全)
import { createI18n } from '@proteus-vue/i18n'

const zhCN = {
  'common.confirm': '确认',
  'user.greeting': '你好,{name}',
  'cart.items': '{count, plural, one {1 件} other {# 件}}',
  'gender.notice': '{gender, select, male {他} female {她} other {TA}}',
} as const
const enUS = {
  'common.confirm': 'Confirm',
  'user.greeting': 'Hello, {name}',
  'cart.items': '{count, plural, one {1 item} other {# items}}',
  'gender.notice': '{gender, select, male {he} female {she} other {they}}',
} as const

export const i18n = createI18n({ catalogs: { zhCN, enUS }, defaultLocale: 'zhCN' })

i18n.t('user.greeting', { name: 'Alex' }) // "你好,Alex"(key 类型约束:拼错编译报错)
i18n.setLocale('enUS')
i18n.t('cart.items', { count: 5 })        // "5 items"
i18n.dir()                                // 'ltr';setLocale('ar...') → 'rtl'

能力范围(B1)

  • {name} 插值 / {count, plural, one{..} other{..} =N{..}} / {gender, select, ...} / # 数量占位
  • 类型安全:as const catalog + keyof 推导(免 codegen)
  • dir() RTL 推导 + onLocaleChange 回调(应用自行应用 dir/持久化)
  • MP 产物安全(ES5-safe,共享模块 _proteus/i18n

简化边界(落地评估 v2)

  • ICU 子集(few/many 复数规则、date/number 格式)→ 后续批次
  • 按需语言包分包加载 / 完整 RTL 自动应用 / 编译期 AST 提取 → 见 docs/proteus-i18n-plan/03-landing-evaluation.md