64 lines
1.8 KiB
TypeScript
64 lines
1.8 KiB
TypeScript
import { NextApiHandler } from "next";
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import NextCors from "nextjs-cors";
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import { getTranslationInfo, getTranslationText, getAudio, isValidCode, LanguageType, TranslationInfo } from "lingva-scraper";
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type Data = {
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translation: string,
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info?: TranslationInfo
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} | {
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audio: number[]
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} | {
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error: string
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};
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const methods = ["GET"];
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const handler: NextApiHandler<Data> = async (req, res) => {
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await NextCors(req, res, {
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methods,
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origin: "*",
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preflightContinue: true
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});
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const {
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query: { slug },
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method
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} = req;
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if (!slug || !Array.isArray(slug) || slug.length !== 3)
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return res.status(404).json({ error: "Not Found" });
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if (!method || !methods.includes(method)) {
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res.setHeader("Allow", methods);
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return res.status(405).json({ error: "Method Not Allowed" });
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}
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const [source, target, query] = slug;
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if (!isValidCode(target, LanguageType.TARGET))
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return res.status(400).json({ error: "Invalid target language" });
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if (source === "audio") {
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const audio = await getAudio(target, query);
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return audio
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? res.status(200).json({ audio })
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: res.status(500).json({ error: "An error occurred while retrieving the audio" });
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}
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if (!isValidCode(source, LanguageType.SOURCE))
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return res.status(400).json({ error: "Invalid source language" });
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const translation = await getTranslationText(source, target, query);
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if (!translation)
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return res.status(500).json({ error: "An error occurred while retrieving the translation" });
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const info = await getTranslationInfo(source, target, query);
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return info
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? res.status(200).json({ translation, info })
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: res.status(200).json({ translation });
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}
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export default handler;
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