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2bba6d570f
- Fix defaultTranslation method that causes error
61 lines
1.3 KiB
TypeScript
61 lines
1.3 KiB
TypeScript
import dayjs from 'dayjs'
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import defaultLang from './lang/en'
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export type TranslatePair = {
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[key: string]: string | string[] | TranslatePair
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}
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export type Language = {
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name: string
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el: TranslatePair
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}
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let lang: Language = defaultLang as Language
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let i18nHandler: null | ((...args: any[]) => string) = null
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export const i18n = (fn: (...args: any[]) => string) => {
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i18nHandler = fn
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}
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function template(str: string, option) {
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if(!str || !option) return str
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return str.replace(/\{(\w+)\}/g, (_, key) => {
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return option[key]
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})
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}
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const defaultTranslator = (...args: any[]) => {
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const [path, option] = args
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let value
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const array = path.split('.')
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let current = lang
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for (let i = 0, j = array.length; i < j; i++) {
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const property = array[i]
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value = current[property]
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if (i === j - 1) return template(value, option)
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if (!value) return ''
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current = value
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}
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}
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export const t = (...args: any[]): string => {
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if (i18nHandler) {
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const translation = i18nHandler(...args)
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if (!translation) {
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return defaultTranslator(...args)
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}
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}
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return defaultTranslator(...args)
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}
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export const use = (l: Language): void => {
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lang = l || lang
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if (lang.name) {
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dayjs.locale(lang.name)
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}
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}
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export const setLocale = use
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