67 lines
1.7 KiB
TypeScript
67 lines
1.7 KiB
TypeScript
import type { ParsedUpdate } from '@mtcute/client'
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import { I18nValue } from './types'
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let client: any
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try {
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client = require('@mtcute/client')
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} catch (e) {}
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/**
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* Create an index of i18n strings delimited by "."
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*
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* @param strings Strings object
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*/
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export function createI18nStringsIndex(
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strings: Record<string, any>
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): Record<string, I18nValue> {
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const ret: Record<string, I18nValue> = {}
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function add(obj: Record<string, any>, prefix: string) {
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for (const key in obj) {
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const val = obj[key]
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if (typeof val === 'object') {
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add(val, prefix + key + '.')
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} else {
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ret[prefix + key] = val
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}
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}
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}
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add(strings, '')
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return ret
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}
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/**
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* Extract language from `@mtcute/client` update. Can be used for customized
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* adapters or external i18n libraries.
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*
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* @param update Update to extract language from
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*/
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export function extractLanguageFromUpdate(
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update: ParsedUpdate['data']
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): string | null | undefined {
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if (!client) {
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throw new Error(
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'@mtcute/client is not installed, you must provide your own adapter'
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)
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}
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const upd = update as any
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switch (upd.constructor) {
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case client.Message:
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// if sender is Chat it will just be undefined
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return upd.sender.language
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case client.ChatMemberUpdate:
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case client.InlineQuery:
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case client.ChosenInlineResult:
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case client.CallbackQuery:
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case client.PollVoteUpdate:
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case client.BotStoppedUpdate:
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case client.BotChatJoinRequestUpdate:
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return upd.user.language
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}
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return null
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}
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