tailwind-nextjs-blog/components/comments/Utterances.tsx

57 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