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Vue CLI 3でCSSのSourceMapを有効にする

More than 1 year has passed since last update.

vue-cli-service serve してもデフォルトではCSSのSourceMapが無効になっていたので、有効化してみます。

方法

プロジェクトのルートディレクトリに以下のファイルを追加

vue.config.js

以下の内容を記述

vue.config.js
module.exports = {
  css: {
    loaderOptions: {
      css: {
        sourceMap: true,
      },
      postcss: {
        sourceMap: true,
      }
    }
  }
}

確認

Before
スクリーンショット 2018-12-10 21.16.56.png

After
スクリーンショット 2018-12-10 21.18.03.png

参考

https://cli.vuejs.org/config/#css-sourcemap

以上

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