style: fix code style

src/utilities/readDirectory.js

@@ -1,81 +1,81 @@
 import fs from 'fs';
-import _ from 'lodash';
 import path from 'path';
+import _ from 'lodash';
 import validateTargetDirectory from './validateTargetDirectory';
 
 const hasIndex = (directoryPath) => {
-    const indexPath = path.resolve(directoryPath, 'index.js');
+  const indexPath = path.resolve(directoryPath, 'index.js');
 
-    try {
-        fs.statSync(indexPath);
+  try {
+    fs.statSync(indexPath);
 
-        return true;
-    } catch (error) {
-        return false;
-    }
+    return true;
+  } catch (error) {
+    return false;
+  }
 };
 
 const hasNoExtension = (fileName) => {
-    const matches = fileName.match(/\./g);
+  const matches = fileName.match(/\./g);
 
-    return !matches;
+  return !matches;
 };
 
 const hasMultipleExtensions = (fileName) => {
-    const matches = fileName.match(/\./g);
+  const matches = fileName.match(/\./g);
 
-    return matches && matches.length > 1;
+  return matches && matches.length > 1;
 };
 
 const isSafeName = (fileName) => {
-    return /^[a-z][a-z0-9\._]+$/i.test(fileName);
+  return /^[a-z][a-z0-9._]+$/i.test(fileName);
 };
 
 const removeDuplicates = (files) => {
-    return _.filter(files, (fileName) => {
-        return !_.includes(files, fileName + '.js');
-    });
+  return _.filter(files, (fileName) => {
+    return !_.includes(files, fileName + '.js');
+  });
 };
 
 export default (directoryPath) => {
-    let children;
+  let children;
 
-    validateTargetDirectory(directoryPath);
+  validateTargetDirectory(directoryPath);
 
-    children = fs.readdirSync(directoryPath);
+  children = fs.readdirSync(directoryPath);
 
-    children = _.filter(children, (fileName) => {
-        const absolutePath = path.resolve(directoryPath, fileName);
-        const isDirectory = fs.statSync(absolutePath).isDirectory();
+  children = _.filter(children, (fileName) => {
+    const absolutePath = path.resolve(directoryPath, fileName);
+    const isDirectory = fs.statSync(absolutePath).isDirectory();
 
-        if (!isSafeName(fileName)) {
-            return false;
-        }
+    if (!isSafeName(fileName)) {
+      return false;
+    }
 
-        if (hasNoExtension(fileName) && !isDirectory) {
-            return false;
-        }
+    if (hasNoExtension(fileName) && !isDirectory) {
+      return false;
+    }
 
-        if (hasMultipleExtensions(fileName)) {
-            return false;
-        }
+    if (hasMultipleExtensions(fileName)) {
+      return false;
+    }
 
-        if (_.startsWith(fileName, 'index.js')) {
-            return false;
-        }
+    if (_.startsWith(fileName, 'index.js')) {
+      return false;
+    }
 
-        if (!isDirectory && !_.endsWith(fileName, '.js')) {
-            return false;
-        }
+    if (!isDirectory && !_.endsWith(fileName, '.js')) {
+      return false;
+    }
 
-        if (isDirectory && !hasIndex(absolutePath)) {
-            return false;
-        }
+    if (isDirectory && !hasIndex(absolutePath)) {
+      return false;
+    }
 
-        return true;
-    });
+    return true;
+  });
 
-    children = removeDuplicates(children);
+  children = removeDuplicates(children);
 
-    return children.sort();
+  return children.sort();
 };