How to Migrate from CSS to SCSS in Angular CLI?

Angular CLI: Converting from CSS to SCSS

When transitioning an Angular project from CSS to SCSS, you may encounter an error stating:

styles.bundle.js:33Uncaught Error: Module build failed: Error: ENOENT:
no such file or directory, open
'/Users/Egen/Code/angular/src/styles.css'

For Existing Projects (Angular 6)

1. Update the default style extension to "scss":

   • Manually edit .angular-cli.json or angular.json (Angular 6 ):

     {
     "defaults": {
       "styleExt": "scss"
     }
     }

   • Or run:

     ng config defaults.styleExt=scss

2. Rename existing .css files to .scss.
3. Update apps[0].styles in angular.json to include the .scss extensions.
4. Update component styleUrls to reflect the new file names.

For Future Projects

1. Create a new project using:

   ng new your-project-name --style=scss

2. Set the global default style extension:

   ng config --global defaults.styleExt=scss

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