vercel__workflow/docs/app/api/search/route.ts

import { createTokenizer as createTokenizerJapanese } from '@orama/tokenizers/japanese';
import { createTokenizer as createTokenizerMandarin } from '@orama/tokenizers/mandarin';
import { createFromSource } from 'fumadocs-core/search/server';
import { translations } from '@/geistdocs';
import { source } from '@/lib/geistdocs/source';

const localeMap: {
  [key: string]: {
    language?: string;
    components?: {
      tokenizer:
        | ReturnType<typeof createTokenizerMandarin>
        | ReturnType<typeof createTokenizerJapanese>;
    };
    search?: {
      threshold: number;
      tolerance: number;
    };
  };
} = Object.fromEntries(
  Object.entries(translations).map(([locale, translation]) => [
    locale,
    { language: translation.displayName.toLowerCase() },
  ])
);

if ('cn' in translations) {
  localeMap.cn = {
    components: {
      tokenizer: createTokenizerMandarin(),
    },
    search: {
      threshold: 0,
      tolerance: 0,
    },
  };
}

if ('jp' in translations) {
  localeMap.jp = {
    components: {
      tokenizer: createTokenizerJapanese(),
    },
    search: {
      threshold: 0,
      tolerance: 0,
    },
  };
}

export const { GET } = createFromSource(source, { localeMap });