tailwind-nextjs-blog/components/comments/Utterances.tsx
2022-10-17 15:37:01 +00:00

59 lines
1.9 KiB
TypeScript

import React, { useState, useEffect, useCallback } from 'react';
import { useTheme } from 'next-themes';
import siteMetadata from '@/data/siteMetadata';
interface Props {
issueTerm: string;
}
const Utterances = ({ issueTerm }: Props) => {
const [enableLoadComments, setEnabledLoadComments] = useState(true);
const { theme, resolvedTheme } = useTheme();
const commentsTheme =
theme === 'dark' || resolvedTheme === 'dark'
? siteMetadata.comment.utterancesConfig.darkTheme
: siteMetadata.comment.utterancesConfig.theme;
const COMMENTS_ID = 'comments-container';
const LoadComments = useCallback(() => {
setEnabledLoadComments(false);
const script = document.createElement('script');
script.src = 'https://utteranc.es/client.js';
script.setAttribute('repo', siteMetadata.comment.utterancesConfig.repo);
script.setAttribute('issue-term', issueTerm);
script.setAttribute('label', siteMetadata.comment.utterancesConfig.label);
script.setAttribute('theme', commentsTheme);
script.setAttribute('crossorigin', 'anonymous');
script.async = true;
const comments = document.getElementById(COMMENTS_ID);
if (comments) comments.appendChild(script);
return () => {
const comments = document.getElementById(COMMENTS_ID);
if (comments) comments.innerHTML = '';
};
}, [commentsTheme, issueTerm]);
// Reload on theme change
useEffect(() => {
const iframe = document.querySelector('iframe.utterances-frame');
if (!iframe) return;
LoadComments();
}, [LoadComments]);
// Added `relative` to fix a weird bug with `utterances-frame` position
return (
<div className="pt-6 pb-6 text-center text-gray-700 dark:text-gray-300">
{enableLoadComments && (
<button onClick={LoadComments}>Load Comments</button>
)}
<div className="utterances-frame relative" id={COMMENTS_ID} />
</div>
);
};
export default Utterances;