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@pai-forge/mahjong-react-ui

v0.4.0

Published

React UI components for Mahjong (Riichi)

Readme

Mahjong React UI

npm version

麻雀(リーチ麻雀)のReact UIコンポーネントライブラリ。

インストール

npm install @pai-forge/mahjong-react-ui

使い方

コンポーネントの使用例やバリエーションを確認するには、Storybookを参照するのが最も簡単です。

npm run dev
# Storybookが起動し、すべてのコンポーネントを確認できます

コード例

import { Hai, HaiKind } from '@pai-forge/mahjong-react-ui';

function App() {
  return <Hai hai={HaiKind.ManZu1} size="md" />;
}

牌画像を静的ファイルとして配信する

既定では Hai / HaiBack はパッケージに同梱した画像(base64 の data URI)を描きます。 data URI は HTML / JS に画像本体ごと埋め込まれるため、牌を多く並べるページでは転送量が 大きくなり、ブラウザのキャッシュにも乗りません。牌を多く描くアプリは TileImageProvider で参照先を静的ファイルに切り替えてください。

  1. パッケージ同梱の PNG(node_modules/@pai-forge/mahjong-react-ui/assets/tiles/*.png、 600×800)を自分の公開ディレクトリへ置く。表示サイズに合わせて縮小・WebP 化してよい
  2. アプリのルートを TileImageProvider で囲む
import {
  Hai,
  HaiKind,
  TileImageProvider,
  createTileImageResolver,
} from '@pai-forge/mahjong-react-ui';

// /tiles/Man1.webp のように配信している場合
const resolveTileImage = createTileImageResolver({
  baseUrl: '/tiles',
  extension: '.webp',
});

function App() {
  return (
    <TileImageProvider resolve={resolveTileImage}>
      <Hai hai={HaiKind.ManZu1} size="md" />
    </TileImageProvider>
  );
}

ファイル名は TILE_IMAGE_FILE_NAMES が持ちます(裏面は "back")。resolve は 牌の種類を受け取って参照先を返す関数なので、CDN やサイズ別の出し分けも自由です。 Hai の alt は省略時に牌の名前(getHaiName、例: 一萬・東)になります。

ドキュメント

ライセンス

MIT