66 lines
2.1 KiB
TypeScript
66 lines
2.1 KiB
TypeScript
 
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import type { ChannelMessages } from "@/channel-plugins/i18n";
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import { channelNamespace } from "@/channel-plugins/i18n";
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import {
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supportedLocales,
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type SupportedLocale,
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} from "@/i18n/config";
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type ChannelMessagesModule = {
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default?: ChannelMessages;
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};
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const modules = import.meta.glob<ChannelMessagesModule>(
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"../../../nanobot/channels/*/webui/locales/*.json",
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{ eager: true },
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);
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const translationsByChannel = new Map<string, Map<SupportedLocale, ChannelMessages>>();
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const supportedLocaleCodes = new Set<string>(supportedLocales.map(({ code }) => code));
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for (const [modulePath, module] of Object.entries(modules)) {
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const messages = module.default;
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if (!messages) continue;
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const match = modulePath.match(/nanobot\/channels\/([^/]+)\/webui\/locales\/([^/]+)\.json$/);
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if (!match) {
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throw new Error(`Cannot derive channel locale identity from '${modulePath}'`);
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}
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const [, channel, locale] = match;
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if (!supportedLocaleCodes.has(locale)) {
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throw new Error(`Channel '${channel}' has unsupported locale '${locale}'`);
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}
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const translations = translationsByChannel.get(channel) ?? new Map();
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if (translations.has(locale as SupportedLocale)) {
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throw new Error(`Channel '${channel}' registers locale '${locale}' more than once`);
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}
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translations.set(locale as SupportedLocale, messages);
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translationsByChannel.set(channel, translations);
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}
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export function channelLocaleNamespaces(): string[] {
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return [...translationsByChannel.keys()].map(channelNamespace);
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}
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export function channelLocaleResources(locale: SupportedLocale): Record<string, unknown> {
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return Object.fromEntries(
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[...translationsByChannel.keys()].map((channel) => [
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channelNamespace(channel),
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channelLocaleMessages(channel, locale) ?? {},
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]),
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);
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}
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export function channelLocaleMessages(
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channel: string,
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locale: SupportedLocale,
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): ChannelMessages | undefined {
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const translations = translationsByChannel.get(channel);
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return translations?.get(locale) ?? translations?.get("en");
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}
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export function registeredChannelLocales(): ReadonlyMap<
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string,
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ReadonlyMap<SupportedLocale, ChannelMessages>
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> {
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return translationsByChannel;
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}
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