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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,42 +1,117 @@ | ||
| import React, { useEffect } from 'react' | ||
| import { useTheme } from 'next-themes' | ||
| import { Fragment, useEffect, useState } from 'react' | ||
|
|
||
| interface CommentBoxProps { | ||
| projectId: string | ||
| } | ||
|
|
||
| // Extend the window interface directly in this file | ||
| declare global { | ||
| interface Window { | ||
| commentBox: (projectId: string) => void | ||
| REMARK42: any | ||
| remark_config: any | ||
| } | ||
| } | ||
|
|
||
| const insertScript = ( | ||
| id: string, | ||
| parentElement: HTMLElement, | ||
| theme: string, | ||
| ) => { | ||
| const script = window.document.createElement('script') | ||
| script.type = 'text/javascript' | ||
| script.async = true | ||
| script.id = id | ||
| let url = window.location.origin + window.location.pathname | ||
| if (url.endsWith('/')) { | ||
| url = url.slice(0, -1) | ||
| } | ||
| script.innerHTML = ` | ||
| var remark_config = { | ||
| host: "${process.env.NEXT_PUBLIC_REMARK42_HOST}", | ||
| site_id: "${process.env.NEXT_PUBLIC_REMARK42_SITE_ID}", | ||
| url: "${url}", | ||
| theme: "${theme}", | ||
| no_footer: true, | ||
| }; | ||
| !function(e,n){for(var o=0;o<e.length;o++){var r=n.createElement("script"),c=".js",d=n.head||n.body;"noModule"in r?(r.type="module",c=".mjs"):r.async=!0,r.defer=!0,r.src=remark_config.host+"/web/"+e[o]+c,d.appendChild(r)}}(remark_config.components||["embed"],document);` | ||
| parentElement.appendChild(script) | ||
| } | ||
|
|
||
| const removeScript = (id: string, parentElement: HTMLElement) => { | ||
| const script = window.document.getElementById(id) | ||
| if (script) { | ||
| parentElement.removeChild(script) | ||
| } | ||
| } | ||
|
|
||
| const CommentBox: React.FC<CommentBoxProps> = ({ projectId }) => { | ||
| const manageScript = (theme: string) => { | ||
| if (!window) { | ||
| return () => {} | ||
| } | ||
| const { document } = window | ||
| if (document.getElementById('remark42')) { | ||
| insertScript('comments-script', document.body, theme) | ||
| } | ||
| return () => removeScript('comments-script', document.body) | ||
| } | ||
|
|
||
| const recreateRemark42Instance = () => { | ||
| if (!window) { | ||
| return | ||
| } | ||
| const remark42 = window.REMARK42 | ||
| if (remark42) { | ||
| remark42.destroy() | ||
| remark42.createInstance(window.remark_config) | ||
| } | ||
| } | ||
|
|
||
| const getPreferredTheme = (theme: string) => { | ||
| if (theme === 'system') { | ||
| const prefersDark = | ||
| window.matchMedia && | ||
| window.matchMedia('(prefers-color-scheme: dark)').matches | ||
| return prefersDark ? 'dark' : 'light' | ||
| } | ||
| return theme | ||
| } | ||
|
|
||
| type CommentBoxProps = { | ||
| location: string | ||
| } | ||
|
|
||
| export default function CommentBox({ location }: CommentBoxProps) { | ||
| const { theme } = useTheme() | ||
| const [preferredTheme, setPreferredTheme] = useState( | ||
| getPreferredTheme(theme ?? 'system'), | ||
| ) | ||
|
|
||
| useEffect(() => { | ||
| // Create a script element | ||
| const script = document.createElement('script') | ||
| script.src = 'https://unpkg.com/commentbox.io/dist/commentBox.min.js' | ||
| script.async = true | ||
|
|
||
| // Append the script to the document body | ||
| document.body.appendChild(script) | ||
|
|
||
| // Initialize CommentBox.io after the script has loaded | ||
| script.onload = () => { | ||
| if (window.commentBox) { | ||
| window.commentBox(projectId) | ||
| const handleSystemThemeChange = (e: MediaQueryListEvent) => { | ||
| if (theme === 'system') { | ||
| setPreferredTheme(e.matches ? 'dark' : 'light') | ||
| } | ||
| } | ||
|
|
||
| // Cleanup function to remove the script when the component unmounts | ||
| return () => { | ||
| if (script.parentNode) { | ||
| script.parentNode.removeChild(script) | ||
| if (theme === 'system') { | ||
| const mediaQueryList = window.matchMedia('(prefers-color-scheme: dark)') | ||
| mediaQueryList.addEventListener('change', handleSystemThemeChange) | ||
| setPreferredTheme(mediaQueryList.matches ? 'dark' : 'light') | ||
|
|
||
| return () => { | ||
| mediaQueryList.removeEventListener('change', handleSystemThemeChange) | ||
| } | ||
| } else { | ||
| setPreferredTheme(theme ?? 'system') | ||
| } | ||
| }, [projectId]) | ||
| }, [theme]) | ||
|
|
||
| return <div className="commentbox"></div> | ||
| } | ||
| useEffect(() => { | ||
| return manageScript(preferredTheme) | ||
| }, [location, preferredTheme]) | ||
|
|
||
| useEffect(recreateRemark42Instance, [location, preferredTheme]) | ||
|
|
||
| export default CommentBox | ||
| return ( | ||
| <Fragment> | ||
| <h2>Comments</h2> | ||
| <div id="remark42" /> | ||
| </Fragment> | ||
| ) | ||
| } |