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Merge pull request #5 from coder/brett/theme-picker
feat: add a theme picker
2 parents bee43cf + 80ff0c1 commit daa9bda

6 files changed

Lines changed: 152 additions & 12 deletions

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‎index.html‎

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@@ -16,7 +16,7 @@
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<link rel="stylesheet" href="src/index.css" />
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</head>
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<body class="dark">
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<body>
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<div id="root"></div>
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<script type="module" src="/src/main.tsx"></script>
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</body>

‎package.json‎

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@@ -26,6 +26,7 @@
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"react-simple-code-editor": "^0.14.1",
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"tailwind-merge": "^3.3.0",
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"tailwindcss-animate": "^1.0.7",
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"valibot": "^1.1.0",
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"zustand": "^5.0.5"
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},
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"devDependencies": {

‎pnpm-lock.yaml‎

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‎src/App.tsx‎

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@@ -1,12 +1,22 @@
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import { Editor } from "@/Editor";
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import { Preview } from "@/Preview";
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import { Logo } from "@/components/Logo";
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import { ResizableHandle, ResizablePanelGroup } from "@/components/Resizable";
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import { Editor } from "./Editor";
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import { Logo } from "./components/Logo";
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import { Preview } from "./Preview";
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import { useStore } from "@/store";
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import { useEffect } from "react";
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import {
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DropdownMenu,
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DropdownMenuContent,
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DropdownMenuItem,
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DropdownMenuPortal,
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DropdownMenuTrigger,
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} from "@/components/DropdownMenu";
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import { type FC, useEffect, useMemo } from "react";
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// Glue code required to be able to run wasm compiled Go code.
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import "@/utils/wasm_exec.js";
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import { useTheme } from "@/contexts/theme";
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import { MoonIcon, SunIcon, SunMoonIcon } from "lucide-react";
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import { Button } from "./components/Button";
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type GoPreviewDef = (v: unknown) => Promise<string>;
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@@ -93,13 +103,11 @@ export const App = () => {
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>
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Support
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</a>
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<ThemeSelector />
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</div>
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</nav>
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<ResizablePanelGroup
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aria-hidden={!$wasmState}
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direction={"horizontal"}
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>
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<ResizablePanelGroup aria-hidden={!$wasmState} direction={"horizontal"}>
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{/* EDITOR */}
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<Editor />
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@@ -111,3 +119,42 @@ export const App = () => {
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</main>
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);
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};
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const ThemeSelector: FC = () => {
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const { theme, setTheme } = useTheme();
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const Icon = useMemo(() => {
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if (theme === "system") {
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return SunMoonIcon;
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}
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if (theme === "dark") {
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return MoonIcon;
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}
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return SunIcon;
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}, [theme]);
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return (
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<DropdownMenu>
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<DropdownMenuTrigger asChild={true}>
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<Button variant="subtle" size="icon-lg">
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<Icon height={24} width={24} />
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</Button>
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</DropdownMenuTrigger>
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<DropdownMenuPortal>
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<DropdownMenuContent align="end">
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<DropdownMenuItem onClick={() => setTheme("dark")}>
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<MoonIcon width={24} height={24} /> Dark
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</DropdownMenuItem>
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<DropdownMenuItem onClick={() => setTheme("light")}>
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<SunIcon width={24} height={24} /> Light
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</DropdownMenuItem>
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<DropdownMenuItem onClick={() => setTheme("system")}>
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<SunMoonIcon width={24} height={24} /> System
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</DropdownMenuItem>
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</DropdownMenuContent>
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</DropdownMenuPortal>
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</DropdownMenu>
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);
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};

‎src/contexts/theme.tsx‎

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import {
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createContext,
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useContext,
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useEffect,
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useState,
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type FC,
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type PropsWithChildren,
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} from "react";
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import * as v from "valibot";
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const STORAGE_KEY = "theme";
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const ThemeSchema = v.union([
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v.literal("dark"),
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v.literal("light"),
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v.literal("system"),
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]);
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type Theme = v.InferInput<typeof ThemeSchema>;
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type ThemeContext = {
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theme: Theme;
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setTheme: (theme: Theme) => void;
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};
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const ThemeContext = createContext<ThemeContext>({
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theme: "system",
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setTheme: () => null,
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});
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export const ThemeProvider: FC<PropsWithChildren> = ({ children }) => {
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const [theme, setTheme] = useState<Theme>(() => {
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const parsedTheme = v.safeParse(
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ThemeSchema,
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localStorage.getItem(STORAGE_KEY),
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);
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if (!parsedTheme.success) {
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return "system";
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}
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return parsedTheme.output;
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});
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useEffect(() => {
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const force =
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theme === "dark" ||
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(theme === "system" &&
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window.matchMedia("(prefers-color-scheme: dark)").matches);
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document.documentElement.classList.toggle("dark", force);
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if (theme === "system") {
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localStorage.removeItem(STORAGE_KEY);
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} else {
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localStorage.setItem(STORAGE_KEY, theme);
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}
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}, [theme]);
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return (
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<ThemeContext.Provider value={{ theme, setTheme }}>
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{children}
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</ThemeContext.Provider>
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);
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};
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export const useTheme = () => {
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const themeContext = useContext(ThemeContext);
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if (!themeContext) {
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throw new Error("useTheme must be used within a ThemeProvider");
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}
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return themeContext;
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};

‎src/main.tsx‎

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@@ -4,6 +4,7 @@ import { TooltipProvider } from "@/components/Tooltip";
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import { StrictMode } from "react";
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import { createRoot } from "react-dom/client";
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import { App } from "./App.tsx";
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import { ThemeProvider } from "@/contexts/theme.tsx";
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const root = document.getElementById("root");
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@@ -12,9 +13,11 @@ if (!root) {
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} else {
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createRoot(root).render(
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<StrictMode>
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<TooltipProvider>
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<App />
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</TooltipProvider>
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<ThemeProvider>
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<TooltipProvider>
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<App />
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</TooltipProvider>
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</ThemeProvider>
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</StrictMode>,
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);
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}

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