What steps can I take to resolve a Sass loader's ValidationError issue?

While attempting to incorporate global SCSS variables into my Vue project, I came across a helpful example on how to Globally load SASS. Following the instructions, I created a vue.config.js file in the root directory of my Vue project. After copying and pasting the code into the file and adjusting the import path data, I encountered an error when trying to serve my project:

ValidationError: Invalid options object. Sass Loader has been initialised using an options object that does not match the API schema. - options has an unknown property 'data'. These properties are valid: object { implementation?, sassOptions?, prependData?, sourceMap?, webpackImporter? } at validate

To troubleshoot, I double-checked my package.json file to confirm the presence of the required dependencies - node-sass and sass-loader:

"devDependencies": {
    "@vue/cli-plugin-babel": "^4.1.0",
    "@vue/cli-plugin-router": "^4.1.2",
    "@vue/cli-service": "^4.1.0",
    "babel-eslint": "^10.0.3",
    "node-sass": "^4.12.0",
    "sass-loader": "^8.0.0",
    "vue-template-compiler": "^2.6.10"
  }

Despite having the necessary dependencies installed, I am still facing confusion regarding the issue. While I understand that it's possible to import the .scss variables individually into each Vue component where they're needed, I prefer a more efficient solution.

vue.config.js

module.exports = {
  css: {
    loaderOptions: {
      sass: {
        data: `
          @import "@/style/index.scss";
        `
      }
    }
  }
};

Directory structure

https://i.sstatic.net/PoI3w.png

Answer №1

Replace data with prependData ...refer to the documentation

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