📚 /tmp2 に Canvas をおいてたのを Storybook に移した

apps/client/app/features/artboard/index.stories.tsx

@@ -0,0 +1,129 @@
+import type { Meta, StoryObj } from "@storybook/react";
+import { useRef } from "react";
+import { Artboard } from ".";
+import type { PenType } from "./types";
+import { useArtboard } from "./useArtboard";
+
+const meta: Meta<typeof ArtboardWithHooks> = {
+  title: "features/Artboard",
+  component: ArtboardWithHooks,
+  tags: ["autodocs"],
+  parameters: {
+    docs: {
+      description: {
+        component: `\`useArtboard\` と \`Artboard\` を使ったお絵かきキャンバス
+
+通常 \`useRef\` で作成した \`canvasRef\` とペンの設定を \`useArtboard\` に渡し、\`canvasRef\` と \`useArtboard\` で得られた \`mouseHandler\` を \`Artboard\` に渡して使う。
+
+\`useArtboard\` 内の他の返り値を用いて、キャンバスの reset, clear, undo, redo などを実装することができる。`,
+      },
+    },
+  },
+};
+export default meta;
+
+type Story = StoryObj<typeof ArtboardWithHooks>;
+
+export const Primary: Story = {
+  args: {
+    penType: "pen",
+    penSize: 10,
+    penColor: "#000000",
+    isLocked: false,
+  },
+  argTypes: {
+    penType: {
+      options: [
+        "pen",
+        "eraser",
+        "bucket",
+      ] as const satisfies readonly PenType[],
+      control: {
+        type: "radio",
+      },
+    },
+    penSize: {
+      control: {
+        type: "range",
+        min: 1,
+        max: 100,
+        step: 10,
+      },
+    },
+    penColor: {
+      control: {
+        type: "color",
+        // FIXME: 値はとりあえず適当
+        presetColors: [
+          "#000000",
+          "#ff0000",
+          "#00ff00",
+          "#0000ff",
+          "#ffff00",
+          "#ff00ff",
+          "#00ffff",
+        ],
+      },
+    },
+    isLocked: {
+      control: {
+        type: "boolean",
+      },
+    },
+  },
+  render: (args) => {
+    return <ArtboardWithHooks {...args} />;
+  },
+};
+
+function ArtboardWithHooks({
+  penType,
+  penSize,
+  penColor,
+  isLocked,
+}: {
+  penType: PenType;
+  penSize: number;
+  penColor: `#${string}`;
+  isLocked: boolean;
+}) {
+  const canvasRef = useRef<HTMLCanvasElement>(null);
+  const {
+    canRedo,
+    canUndo,
+    clear,
+    redo,
+    resetCanvas,
+    shortcut,
+    undo,
+    mouseHandlers,
+  } = useArtboard(canvasRef, {
+    color: penColor,
+    size: penSize,
+    type: penType,
+  });
+
+  return (
+    <div onKeyDown={shortcut}>
+      <div>
+        <button type="button" onClick={resetCanvas}>
+          Reset
+        </button>
+        <button type="button" onClick={clear}>
+          Clear
+        </button>
+        <button type="button" onClick={undo} disabled={!canUndo}>
+          Undo
+        </button>
+        <button type="button" onClick={redo} disabled={!canRedo}>
+          Redo
+        </button>
+      </div>
+      <Artboard
+        canvasRef={canvasRef}
+        mouseHandlers={mouseHandlers}
+        isLocked={isLocked}
+      />
+    </div>
+  );
+}