storybook introduction

.gitignore

@@ -9,3 +9,6 @@ node_modules
 # Build Output
 dist
 *.tsbuildinfo
+
+*storybook.log
+storybook-static

docs/developer_readme.md

@@ -59,4 +59,10 @@ Userのデータは`User`クラスを使用して扱います。Userのデータ
 		"source.organizeImports.biome": "always"
 	}
 }
-```
+```
+
+## Storybookの使用
+```bash
+bun run storybook
+```
+ - localhost:6006にStorybookが立ち上がるので、そこでUIを確認してください。

packages/web/.storybook/main.ts

@@ -0,0 +1,24 @@
+import { dirname, join } from "node:path";
+import type { StorybookConfig } from "@storybook/react-vite";
+
+/**
+ * This function is used to resolve the absolute path of a package.
+ * It is needed in projects that use Yarn PnP or are set up within a monorepo.
+ */
+function getAbsolutePath(value: string): string {
+  return dirname(require.resolve(join(value, "package.json")));
+}
+const config: StorybookConfig = {
+  stories: ["../src/**/*.mdx", "../src/**/*.stories.@(js|jsx|mjs|ts|tsx)"],
+  addons: [
+    getAbsolutePath("@storybook/addon-links"),
+    getAbsolutePath("@storybook/addon-essentials"),
+    getAbsolutePath("@storybook/addon-onboarding"),
+    getAbsolutePath("@storybook/addon-interactions"),
+  ],
+  framework: {
+    name: getAbsolutePath("@storybook/react-vite"),
+    options: {},
+  },
+};
+export default config;

packages/web/.storybook/preview.ts

@@ -0,0 +1,14 @@
+import type { Preview } from "@storybook/react-vite";
+
+const preview: Preview = {
+  parameters: {
+    controls: {
+      matchers: {
+        color: /(background|color)$/i,
+        date: /Date$/i,
+      },
+    },
+  },
+};
+
+export default preview;

packages/web/package.json

@@ -7,7 +7,9 @@
     "dev": "vite",
     "build": "tsc && vite build",
     "preview": "vite preview",
-    "check": "tsc --noEmit"
+    "check": "tsc --noEmit",
+    "storybook": "storybook dev -p 6006",
+    "build-storybook": "storybook build"
   },
   "dependencies": {
     "@elysiajs/eden": "^1.3.2",
@@ -22,12 +24,21 @@
     "react-router-dom": "^7.1.1"
   },
   "devDependencies": {
+    "@storybook/addon-essentials": "^8.6.14",
+    "@storybook/addon-interactions": "^8.6.14",
+    "@storybook/addon-links": "^8.6.14",
+    "@storybook/addon-onboarding": "^8.6.14",
+    "@storybook/blocks": "^8.6.14",
+    "@storybook/react": "^8.6.14",
+    "@storybook/react-vite": "^8.6.14",
+    "@storybook/test": "^8.6.14",
     "@tailwindcss/postcss": "^4.1.11",
     "@types/react": "^19.0.5",
     "@types/react-dom": "^19.0.5",
     "@vitejs/plugin-react": "^4.3.4",
     "daisyui": "^5.0.46",
     "postcss": "^8.5.6",
+    "storybook": "^8.0.9",
     "tailwindcss": "^4.1.11",
     "typescript": "^5.8.3",
     "vite": "^6.0.7"

packages/web/src/stories/Button.stories.ts

@@ -0,0 +1,54 @@
+import type { Meta, StoryObj } from "@storybook/react";
+
+import { fn } from "@storybook/test";
+
+import { Button } from "./Button.tsx";
+
+// More on how to set up stories at: https://storybook.js.org/docs/writing-stories#default-export
+const meta = {
+  title: "Example/Button",
+  component: Button,
+  parameters: {
+    // Optional parameter to center the component in the Canvas. More info: https://storybook.js.org/docs/configure/story-layout
+    layout: "centered",
+  },
+  // This component will have an automatically generated Autodocs entry: https://storybook.js.org/docs/writing-docs/autodocs
+  tags: ["autodocs"],
+  // More on argTypes: https://storybook.js.org/docs/api/argtypes
+  argTypes: {
+    backgroundColor: { control: "color" },
+  },
+  // Use `fn` to spy on the onClick arg, which will appear in the actions panel once invoked: https://storybook.js.org/docs/essentials/actions#action-args
+  args: { onClick: fn() },
+} satisfies Meta<typeof Button>;
+
+export default meta;
+type Story = StoryObj<typeof meta>;
+
+// More on writing stories with args: https://storybook.js.org/docs/writing-stories/args
+export const Primary: Story = {
+  args: {
+    primary: true,
+    label: "Button",
+  },
+};
+
+export const Secondary: Story = {
+  args: {
+    label: "Button",
+  },
+};
+
+export const Large: Story = {
+  args: {
+    size: "large",
+    label: "Button",
+  },
+};
+
+export const Small: Story = {
+  args: {
+    size: "small",
+    label: "Button",
+  },
+};

packages/web/src/stories/Button.tsx

@@ -0,0 +1,39 @@
+import "./button.css";
+
+export interface ButtonProps {
+  /** Is this the principal call to action on the page? */
+  primary?: boolean;
+  /** What background color to use */
+  backgroundColor?: string;
+  /** How large should the button be? */
+  size?: "small" | "medium" | "large";
+  /** Button contents */
+  label: string;
+  /** Optional click handler */
+  onClick?: () => void;
+}
+
+/** Primary UI component for user interaction */
+export const Button = ({
+  primary = false,
+  size = "medium",
+  backgroundColor,
+  label,
+  ...props
+}: ButtonProps) => {
+  const mode = primary
+    ? "storybook-button--primary"
+    : "storybook-button--secondary";
+  return (
+    <button
+      type="button"
+      className={["storybook-button", `storybook-button--${size}`, mode].join(
+        " ",
+      )}
+      style={{ backgroundColor }}
+      {...props}
+    >
+      {label}
+    </button>
+  );
+};