Update prettier config

Author: Brijesh Bittu

docs/scripts/formattedTSDemos.js

@@ -117,7 +117,7 @@ async function transpileFile(tsxPath, project) {
     });
     const codeWithPropTypes = injectPropTypesInFile({ components: propTypesAST, target: code });
     const prettierConfig = await prettier.resolveConfig(jsPath, {
-      config: path.join(workspaceRoot, 'prettier.config.js'),
+      config: path.join(workspaceRoot, 'prettier.config.mjs'),
     });
     const prettierFormat = async (jsSource) =>
       prettier.format(jsSource, { ...prettierConfig, filepath: jsPath });

packages/api-docs-builder/buildApiUtils.ts

@@ -35,7 +35,7 @@ export function fixPathname(pathname: string): string {
   return fixedPathname;
 }
 
-const DEFAULT_PRETTIER_CONFIG_PATH = path.join(process.cwd(), 'prettier.config.js');
+const DEFAULT_PRETTIER_CONFIG_PATH = path.join(process.cwd(), 'prettier.config.mjs');
 
 export async function writePrettifiedFile(
   filename: string,

prettier.config.js

@@ -0,0 +1,3 @@
+import { createBaseConfig } from '@mui/internal-code-infra/prettier';
+
+export default createBaseConfig();

prettier.config.mjs

@@ -289,7 +289,7 @@ async function generateProptypes(
   }
 
   const prettierConfig = await prettier.resolveConfig(process.cwd(), {
-    config: path.join(__dirname, '../prettier.config.js'),
+    config: path.join(__dirname, '../prettier.config.mjs'),
   });
 
   const prettified = await prettier.format(result, { ...prettierConfig, filepath: sourceFile });

scripts/generateProptypes.ts

@@ -25,7 +25,7 @@ async function run() {
     );
   }
   const prettierConfig = await prettier.resolveConfig(process.cwd(), {
-    config: path.join(process.cwd(), 'prettier.config.js'),
+    config: path.join(process.cwd(), 'prettier.config.mjs'),
   });
 
   // Find the demos of the component