ChatGPT-Next-Web/app/hooks/useSwitchTheme.ts

35 lines
1.1 KiB
TypeScript

import { useEffect } from "react";
import { useAppConfig } from "@/app/store/config";
import { getCSSVar } from "@/app/utils";
export function useSwitchTheme() {
const config = useAppConfig();
useEffect(() => {
document.body.classList.remove("light");
document.body.classList.remove("dark");
if (config.theme === "dark") {
document.body.classList.add("dark");
} else if (config.theme === "light") {
document.body.classList.add("light");
}
const metaDescriptionDark = document.querySelector(
'meta[name="theme-color"][media*="dark"]',
);
const metaDescriptionLight = document.querySelector(
'meta[name="theme-color"][media*="light"]',
);
if (config.theme === "auto") {
metaDescriptionDark?.setAttribute("content", "#151515");
metaDescriptionLight?.setAttribute("content", "#fafafa");
} else {
const themeColor = getCSSVar("--theme-color");
metaDescriptionDark?.setAttribute("content", themeColor);
metaDescriptionLight?.setAttribute("content", themeColor);
}
}, [config.theme]);
}