Files
LingvAI/pages/[[...slug]].tsx
2021-03-10 18:15:57 +01:00

116 lines
3.3 KiB
TypeScript

import { useState, useEffect, FC } from "react";
import { GetStaticPaths, GetStaticProps, InferGetStaticPropsType } from "next";
import { useRouter } from "next/router";
import Error from "next/error";
import { googleScrape, extractSlug } from "../utils/translate";
import Languages from "../components/Languages";
import { languages, exceptions } from "../utils/languages.json";
const Page: FC<InferGetStaticPropsType<typeof getStaticProps>> = ({ translation, error, initial }) => {
if (error)
return <Error statusCode={error} />
const router = useRouter();
const [source, setSource] = useState("auto");
const [target, setTarget] = useState("en");
const [query, setQuery] = useState("");
const updateTranslation = () => {
query && router.push(`/${source}/${target}/${query}`);
};
useEffect(() => {
initial?.source && setSource(initial.source);
initial?.target && setTarget(initial.target);
initial?.query && setQuery(initial.query);
}, [initial]);
useEffect(() => {
if (!query || query === initial?.query)
return;
const timeout = setTimeout(updateTranslation, 1500);
return () => clearTimeout(timeout);
}, [query]);
useEffect(updateTranslation, [source, target]);
const langs = Object.entries(languages);
const sourceLangs = langs.filter(([code]) => !exceptions.source.includes(code));
const targetLangs = langs.filter(([code]) => !exceptions.target.includes(code));
return (
<div>
<div>
<label htmlFor="source">
Source:
</label>
<select id="source" value={source} onChange={e => setSource(e.target.value)}>
<Languages langs={sourceLangs} />
</select>
</div>
<div>
<label htmlFor="target">
Target:
</label>
<select id="target" value={target} onChange={e => setTarget(e.target.value)}>
<Languages langs={targetLangs} />
</select>
</div>
<div>
<label htmlFor="query">
Query:
</label>
<input type="text" id="query" value={query} onChange={e => setQuery(e.target.value)} />
</div>
<div>
{translation}
</div>
</div>
);
}
export default Page;
export const getStaticPaths: GetStaticPaths = async () => ({
paths: [
{
params: { slug: [] }
}
],
fallback: true
});
export const getStaticProps: GetStaticProps = async ({ params, locale }) => {
if (!params?.slug || !Array.isArray(params.slug))
return {
props: {}
};
const { source, target, query } = extractSlug(params.slug);
if (!query)
return {
notFound: true
};
if (!source || !target)
return {
redirect: {
destination: `/${source ?? "auto"}/${target ?? "en"}/${query}`,
permanent: true
}
}
return {
props: {
...await googleScrape(source, target, query),
initial: {
source, target, query
}
},
revalidate: 2 * 30 * 24 * 60 * 60 // 2 months
};
}