0.25.3 release

Author: sanex3339

Diff for: dist/index.d.ts

@@ -2,6 +2,7 @@ import { Compiler } from 'webpack';
 import { ObfuscatorOptions } from 'javascript-obfuscator';
 declare class WebpackObfuscator {
     options: ObfuscatorOptions;
+    private static readonly baseIdentifiersPrefix;
     excludes: string[];
     constructor(options?: ObfuscatorOptions, excludes?: string | string[]);
     apply(compiler: Compiler): void;

Diff for: dist/index.js

@@ -20,14 +20,15 @@ class WebpackObfuscator {
         }
         const pluginName = this.constructor.name;
         compiler.hooks.emit.tap(pluginName, (compilation) => {
+            let identifiersPrefixCounter = 0;
             compilation.chunks.forEach(chunk => {
                 chunk.files.forEach((fileName) => {
                     if (!fileName.toLowerCase().endsWith('.js') || this.shouldExclude(fileName)) {
                         return;
                     }
                     const asset = compilation.assets[fileName];
                     const { inputSource, inputSourceMap } = this.extractSourceAndSourceMap(asset);
-                    const { obfuscatedSource, obfuscationSourceMap } = this.obfuscate(inputSource);
+                    const { obfuscatedSource, obfuscationSourceMap } = this.obfuscate(inputSource, identifiersPrefixCounter);
                     if (this.options.sourceMap && inputSourceMap) {
                         const transferredSourceMap = transferSourceMap({
                             fromSourceMap: obfuscationSourceMap,
@@ -38,6 +39,7 @@ class WebpackObfuscator {
                     else {
                         compilation.assets[fileName] = new webpack_sources_1.RawSource(obfuscatedSource);
                     }
+                    identifiersPrefixCounter++;
                 });
             });
         });
@@ -57,12 +59,13 @@ class WebpackObfuscator {
             };
         }
     }
-    obfuscate(javascript) {
-        const obfuscationResult = javascript_obfuscator_1.default.obfuscate(javascript, this.options);
+    obfuscate(javascript, identifiersPrefixCounter) {
+        const obfuscationResult = javascript_obfuscator_1.default.obfuscate(javascript, Object.assign({ identifiersPrefix: `${WebpackObfuscator.baseIdentifiersPrefix}${identifiersPrefixCounter}` }, this.options));
         return {
             obfuscatedSource: obfuscationResult.getObfuscatedCode(),
             obfuscationSourceMap: obfuscationResult.getSourceMap()
         };
     }
 }
+WebpackObfuscator.baseIdentifiersPrefix = 'a';
 module.exports = WebpackObfuscator;

Diff for: index.ts

@@ -8,6 +8,10 @@ import { RawSourceMap } from 'source-map';
 const transferSourceMap = require("multi-stage-sourcemap").transfer;
 
 class WebpackObfuscator {
+    /**
+     * @type {string}
+     */
+    private static readonly baseIdentifiersPrefix: string = 'a';
 
     public excludes: string[] = [];
 
@@ -28,15 +32,18 @@ class WebpackObfuscator {
         }
 
         const pluginName = this.constructor.name;
+
         compiler.hooks.emit.tap(pluginName, (compilation: compilation.Compilation) => {
+            let identifiersPrefixCounter: number = 0;
+
             compilation.chunks.forEach(chunk => {
                 chunk.files.forEach((fileName: string) => {
                     if (!fileName.toLowerCase().endsWith('.js') || this.shouldExclude(fileName)) {
                         return;
                     }
                     const asset = compilation.assets[fileName]
                     const { inputSource, inputSourceMap } = this.extractSourceAndSourceMap(asset);
-                    const { obfuscatedSource, obfuscationSourceMap } = this.obfuscate(inputSource);
+                    const { obfuscatedSource, obfuscationSourceMap } = this.obfuscate(inputSource, identifiersPrefixCounter);
 
                     if (this.options.sourceMap && inputSourceMap) {
                         const transferredSourceMap = transferSourceMap({
@@ -54,6 +61,8 @@ class WebpackObfuscator {
                     } else {
                         compilation.assets[fileName] = new RawSource(obfuscatedSource);
                     }
+
+                    identifiersPrefixCounter++;
                 });
             });
         });
@@ -75,10 +84,16 @@ class WebpackObfuscator {
         }
     }
 
-    private obfuscate(javascript: string): { obfuscatedSource: string, obfuscationSourceMap: string } {
+    private obfuscate(
+        javascript: string,
+        identifiersPrefixCounter: number
+    ): { obfuscatedSource: string, obfuscationSourceMap: string } {
         const obfuscationResult = JavaScriptObfuscator.obfuscate(
             javascript,
-            this.options
+            {
+                identifiersPrefix: `${WebpackObfuscator.baseIdentifiersPrefix}${identifiersPrefixCounter}`,
+                ...this.options
+            }
         );
 
         return {

Diff for: package-lock.json

@@ -1,6 +1,6 @@
 {
     "name": "webpack-obfuscator",
-    "version": "0.25.2",
+    "version": "0.25.3",
     "description": "javascript-obfuscator plugin for Webpack",
     "keywords": [
         "obfuscator",
@@ -15,7 +15,7 @@
     "main": "./dist/index.js",
     "types": "./dist/index.d.ts",
     "dependencies": {
-        "javascript-obfuscator": "^0.25.2",
+        "javascript-obfuscator": "^0.25.3",
         "multi-stage-sourcemap": "^0.2.1",
         "multimatch": "^2.1.0",
         "webpack-sources": "^1.3.0"