wuyang6
104 lines
3.1 KiB
TypeScript
104 lines
3.1 KiB
TypeScript
"use client";
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import { CheckIcon, MonitorIcon, MoonIcon, SunIcon } from "lucide-react";
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import { Popover as PopoverPrimitive } from "radix-ui";
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import { useEffect, useState } from "react";
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import { Button } from "@/components/ui/button";
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type ThemeMode = "light" | "dark" | "system";
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const THEME_STORAGE_KEY = "claw.theme";
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const THEME_OPTIONS: Array<{
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mode: ThemeMode;
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label: string;
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icon: typeof SunIcon;
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}> = [
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{ mode: "light", label: "亮色", icon: SunIcon },
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{ mode: "dark", label: "暗色", icon: MoonIcon },
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{ mode: "system", label: "跟随系统", icon: MonitorIcon },
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];
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export function ClawThemeSwitcher() {
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const [mode, setMode] = useState<ThemeMode>("system");
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const activeOption =
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THEME_OPTIONS.find((option) => option.mode === mode) ?? THEME_OPTIONS[2];
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const ActiveIcon = activeOption.icon;
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useEffect(() => {
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const initialMode = readStoredThemeMode();
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setMode(initialMode);
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applyTheme(initialMode);
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const media = window.matchMedia("(prefers-color-scheme: dark)");
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const onChange = () => {
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if (readStoredThemeMode() === "system") {
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applyTheme("system");
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}
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};
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media.addEventListener("change", onChange);
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return () => media.removeEventListener("change", onChange);
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}, []);
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const updateMode = (nextMode: ThemeMode) => {
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window.localStorage.setItem(THEME_STORAGE_KEY, nextMode);
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setMode(nextMode);
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applyTheme(nextMode);
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};
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return (
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<PopoverPrimitive.Root>
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<PopoverPrimitive.Trigger asChild>
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<Button
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type="button"
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variant="ghost"
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size="icon-sm"
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className="rounded-full"
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aria-label="切换主题"
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title={`主题：${activeOption.label}`}
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>
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<ActiveIcon className="size-4" />
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</Button>
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</PopoverPrimitive.Trigger>
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<PopoverPrimitive.Portal>
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<PopoverPrimitive.Content
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align="end"
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sideOffset={8}
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className="z-50 min-w-36 rounded-xl border bg-popover p-1 text-popover-foreground shadow-lg"
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>
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{THEME_OPTIONS.map((option) => {
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const Icon = option.icon;
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return (
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<button
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key={option.mode}
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type="button"
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className="flex w-full items-center gap-2 rounded-lg px-2.5 py-2 text-left text-sm transition hover:bg-accent"
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onClick={() => updateMode(option.mode)}
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>
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<Icon className="size-4 text-muted-foreground" />
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<span className="min-w-0 flex-1">{option.label}</span>
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{mode === option.mode ? <CheckIcon className="size-4" /> : null}
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</button>
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);
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})}
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</PopoverPrimitive.Content>
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</PopoverPrimitive.Portal>
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</PopoverPrimitive.Root>
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);
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}
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function applyTheme(mode: ThemeMode) {
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const prefersDark = window.matchMedia("(prefers-color-scheme: dark)").matches;
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const shouldUseDark = mode === "dark" || (mode === "system" && prefersDark);
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document.documentElement.classList.toggle("dark", shouldUseDark);
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}
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function isThemeMode(value: string | null): value is ThemeMode {
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return value === "light" || value === "dark" || value === "system";
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}
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function readStoredThemeMode(): ThemeMode {
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const stored = window.localStorage.getItem(THEME_STORAGE_KEY);
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return isThemeMode(stored) ? stored : "system";
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}
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