How to fix Vue.js ‘node-sass and sass-loader – Module build failed: TypeError: this.getResolve is not a function at Object.loader’ error?

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The error message we’re encountering, “Module build failed: TypeError: this.getResolve is not a function at Object.loader”, typically occurs when there’s a mismatch between versions of node-sass, sass-loader, and webpack.


To fix this, we can try: Ensure Compatibility: Make sure we are using compatible versions of node-sass, sass-loader, and webpack. Sometimes, updating one package without updating the others can lead to compatibility issues. Update Dependencies: Update our project’s dependencies to their latest compatible versions. We can do this by running:
npm update
Specific Versions: If we’re experiencing issues with the latest versions, we can try installing specific versions known to work together. For example we run
npm install sass-loader@^10.1.1 node-sass@^5.0.0
Clean Node Modules: Sometimes, conflicts arise due to corrupted or conflicting dependencies. Try removing our node_modules folder and reinstalling dependencies:
rm -rf node_modules
npm install
Check webpack Configuration: Ensure that our webpack configuration is correctly set up to handle Sass files. Verify that sass-loader is configured properly in our webpack configuration file (usually webpack.config.js or vue.config.js if we’re using Vue CLI).
Fallback to Dart Sass: If we are using node-sass, consider switching to dart-sass as node-sass is deprecated. Update our package.json to use sass instead of node-sass:
"sass": "^1.49.0",

And update our webpack or Vue configuration to use sass-loader with implementation option set to sass.
After trying these steps, rebuild your project to see if the error persists. If it does, double-check your webpack configuration, and consider looking for any specific error messages that might provide more clues about the root cause of the issue.