refactor: code (#576)

Author: evilebottnawi

src/loader.js

@@ -206,28 +206,33 @@ export function pitch(request) {
     }
 
     let locals;
-    let result = '';
+
+    const esModule =
+      typeof options.esModule !== 'undefined' ? options.esModule : false;
+    const namedExport =
+      esModule && options.modules && options.modules.namedExport;
 
     try {
-      let dependencies;
-      let exports = evalModuleCode(this, source, request);
-
-      if (
-        options.modules &&
-        options.modules.namedExport &&
-        // eslint-disable-next-line no-underscore-dangle
-        exports.__esModule
-      ) {
-        Object.keys(exports).forEach((key) => {
+      const originalExports = evalModuleCode(this, source, request);
+
+      // eslint-disable-next-line no-underscore-dangle
+      exports = originalExports.__esModule
+        ? originalExports.default
+        : originalExports;
+
+      if (namedExport) {
+        locals = '';
+
+        Object.keys(originalExports).forEach((key) => {
           if (key !== 'default') {
-            result += `\nexport const ${key} = "${exports[key]}";`;
+            locals += `\nexport const ${key} = "${originalExports[key]}";`;
           }
         });
+      } else {
+        locals = exports && exports.locals;
       }
 
-      // eslint-disable-next-line no-underscore-dangle
-      exports = exports.__esModule ? exports.default : exports;
-      locals = exports && exports.locals;
+      let dependencies;
 
       if (!Array.isArray(exports)) {
         dependencies = [[null, exports]];
@@ -244,23 +249,21 @@ export function pitch(request) {
           };
         });
       }
+
       addDependencies(dependencies);
     } catch (e) {
       return callback(e);
     }
 
-    const esModule =
-      typeof options.esModule !== 'undefined' ? options.esModule : false;
-
-    if (!result) {
-      result += locals
-        ? `\n${
+    const result = locals
+      ? namedExport
+        ? locals
+        : `\n${
             esModule ? 'export default' : 'module.exports ='
           } ${JSON.stringify(locals)};`
-        : esModule
-        ? `\nexport {};`
-        : '';
-    }
+      : esModule
+      ? `\nexport {};`
+      : '';
 
     let resultSource = `// extracted by ${pluginName}`;
 

test/TestCases.test.js

@@ -15,12 +15,18 @@ function clearDirectory(dirPath) {
   } catch (e) {
     return;
   }
-  if (files.length > 0)
+  if (files.length > 0) {
     for (let i = 0; i < files.length; i++) {
       const filePath = `${dirPath}/${files[i]}`;
-      if (fs.statSync(filePath).isFile()) fs.unlinkSync(filePath);
-      else clearDirectory(filePath);
+
+      if (fs.statSync(filePath).isFile()) {
+        fs.unlinkSync(filePath);
+      } else {
+        clearDirectory(filePath);
+      }
     }
+  }
+
   fs.rmdirSync(dirPath);
 }
 
@@ -116,16 +122,6 @@ describe('TestCases', () => {
 
           done();
 
-          // eslint-disable-next-line no-console
-          // console.log(
-          //   stats.toString({
-          //     context: path.resolve(__dirname, '..'),
-          //     chunks: true,
-          //     chunkModules: true,
-          //     modules: false,
-          //   })
-          // );
-
           if (stats.hasErrors() && stats.hasWarnings()) {
             done(
               new Error(