chore: remove esm error interception, it only confuses users (#14829)

packages/playwright-test/src/loader.ts

@@ -275,21 +275,6 @@ export class Loader {
       if (isModule)
         return await esmImport();
       return require(file);
-    } catch (error) {
-      if (error.code === 'ERR_MODULE_NOT_FOUND' && error.message.includes('Did you mean to import')) {
-        const didYouMean = /Did you mean to import (.*)\?/.exec(error.message)?.[1];
-        if (didYouMean?.endsWith('.ts'))
-          throw errorWithFile(file, 'Cannot import a typescript file from an esmodule.');
-      }
-      if (error.code === 'ERR_UNKNOWN_FILE_EXTENSION' && error.message.includes('.ts')) {
-        throw errorWithFile(file, `Cannot import a typescript file from an esmodule.\n${'='.repeat(80)}\nMake sure that:
-  - you are using Node.js 16+,
-  - your package.json contains "type": "module",
-  - you are using TypeScript for playwright.config.ts.
-${'='.repeat(80)}\n`);
-      }
-
-      throw error;
     } finally {
       revertBabelRequire();
     }

tests/playwright-test/loader.spec.ts

@@ -238,7 +238,7 @@ test('should fail to load ts from esm when package.json has type module', async
   });
 
   expect(result.exitCode).toBe(1);
-  expect(result.output).toContain('Cannot import a typescript file from an esmodule');
+  expect(result.output).toContain('Unknown file extension ".ts"');
 });
 
 test('should filter stack trace for simple expect', async ({ runInlineTest }) => {