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Rails + React 画像読み込み方法

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手順

  1. 画像ファイルを app/assets/images へ配置
  2. config/webpacker.yml に追記
  3. jsx ファイルに Component を作成

1. 画像ファイルを app/assets/images へ配置

適当な画像ファイルをapp/assets/imagesへ配置します。

2. config/webpacker.yml に追記

config/webpacker.yml
  # Additional paths webpack should lookup modules
  # ['app/assets', 'engine/foo/app/assets']

  # resolved_pathsを下記のように変更
  resolved_paths: ["app/assets/images"]

3. jsx ファイルに Component を作成

test.jsx
import Image from 'test.png';

export default function TestComponent(props) {
    // ImageComponent 作成
    const ImageComponent = p => <img src={Image} />
    return (
        // ImageComponent 読み込み
        <ImageComponent></ImageComponent>
    );
}

参考

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