Support of output directory paths with a dot symbol

src/cli/JavaScriptObfuscatorCLI.ts

@@ -28,6 +28,13 @@ import { Utils } from '../utils/Utils';
 import { LoggingPrefix } from '../enums/logger/LoggingPrefix';
 
 export class JavaScriptObfuscatorCLI implements IInitializable {
+    /**
+     * @type {string[]}
+     */
+    public static readonly availableInputExtensions: string[] = [
+        '.js'
+    ];
+
     /**
      * @type {BufferEncoding}
      */
@@ -36,7 +43,7 @@ export class JavaScriptObfuscatorCLI implements IInitializable {
     /**
      * @type {string}
      */
-    public static obfuscatedFilePrefix: string = '-obfuscated';
+    public static readonly obfuscatedFilePrefix: string = '-obfuscated';
 
     /**
      * @type {string}

src/cli/utils/ObfuscatedCodeWriter.ts

@@ -51,8 +51,12 @@ export class ObfuscatedCodeWriter {
         }
 
         const rawInputPathStats: fs.Stats = fs.lstatSync(this.inputPath);
+        const outputPathExtName: string = path.extname(normalizedRawOutputPath);
+
         const isDirectoryRawInputPath: boolean = rawInputPathStats.isDirectory();
-        const isDirectoryRawOutputPath: boolean = path.extname(normalizedRawOutputPath) === '';
+        const isDirectoryRawOutputPath: boolean = !JavaScriptObfuscatorCLI
+            .availableInputExtensions
+            .includes(outputPathExtName);
 
         if (isDirectoryRawInputPath) {
             if (isDirectoryRawOutputPath) {

src/cli/utils/SourceCodeReader.ts

@@ -9,13 +9,6 @@ import { IFileData } from '../../interfaces/cli/IFileData';
 import { JavaScriptObfuscatorCLI } from '../JavaScriptObfuscatorCLI';
 
 export class SourceCodeReader {
-    /**
-     * @type {string[]}
-     */
-    public static readonly availableInputExtensions: string[] = [
-        '.js'
-    ];
-
     /**
      * @type {string}
      */
@@ -96,7 +89,7 @@ export class SourceCodeReader {
      * @returns {boolean}
      */
     private static isValidFile (filePath: string, excludePatterns: string[] = []): boolean {
-        return SourceCodeReader.availableInputExtensions.includes(path.extname(filePath))
+        return JavaScriptObfuscatorCLI.availableInputExtensions.includes(path.extname(filePath))
             && !filePath.includes(JavaScriptObfuscatorCLI.obfuscatedFilePrefix)
             && !SourceCodeReader.isExcludedPath(filePath, excludePatterns);
     }
@@ -130,7 +123,7 @@ export class SourceCodeReader {
             return this.readDirectoryRecursive(this.inputPath);
         }
 
-        const availableFilePaths: string = SourceCodeReader
+        const availableFilePaths: string = JavaScriptObfuscatorCLI
             .availableInputExtensions
             .map((extension: string) => `\`${extension}\``)
             .join(', ');