feat(cli): add excludeCore flag for build-scss (#3606)

Author: brian-smith-tcril

bin/paragon-scripts.js

@@ -147,6 +147,11 @@ const COMMANDS = {
         description: 'Path to the theme\'s core SCSS file, defaults to Paragon\'s core.scss.',
         defaultValue: 'styles/scss/core/core.scss',
       },
+      {
+        name: '--excludeCore',
+        description: 'Exclude core from the SCSS build.',
+        defaultValue: false,
+      },
       {
         name: '--themesPath',
         description: `Path to the directory that contains themes' files. Expects directory to have following structure:

lib/__tests__/build-scss.test.js

@@ -143,4 +143,18 @@ describe('buildScssCommand', () => {
       expect.any(Object),
     );
   });
+
+  it('should exclude core properly', () => {
+    buildScssCommand(['--excludeCore']);
+
+    expect(sass.compile).not.toHaveBeenCalledWith(
+      expect.stringContaining('core.scss'),
+      expect.any(Object),
+    );
+
+    expect(fs.readdirSync).toHaveBeenCalledWith(
+      expect.stringContaining('themes'),
+      expect.objectContaining({ withFileTypes: true }),
+    );
+  });
 });

lib/build-scss.js

@@ -154,24 +154,28 @@ const compileAndWriteStyleSheets = ({
 function buildScssCommand(commandArgs) {
   const defaultArgs = {
     corePath: path.resolve(process.cwd(), 'styles/scss/core/core.scss'),
+    excludeCore: false,
     themesPath: path.resolve(process.cwd(), 'styles/css/themes'),
     outDir: './dist',
     defaultThemeVariants: 'light',
   };
 
   const {
     corePath,
+    excludeCore,
     themesPath,
     outDir,
     defaultThemeVariants,
-  } = minimist(commandArgs, { default: defaultArgs });
+  } = minimist(commandArgs, { default: defaultArgs, boolean: ['excludeCore'] });
 
   // Core CSS
-  compileAndWriteStyleSheets({
-    name: 'core',
-    stylesPath: corePath,
-    outDir,
-  });
+  if (!excludeCore) {
+    compileAndWriteStyleSheets({
+      name: 'core',
+      stylesPath: corePath,
+      outDir,
+    });
+  }
 
   // Theme Variants CSS
   fs.readdirSync(themesPath, { withFileTypes: true })