npm distribution debloat

jest.config.js

@@ -1,3 +1,5 @@
+const transform = require("ts-jest").createDefaultPreset().transform;
+
 const options = [
   "minify",
   "renameVariables",
@@ -43,6 +45,7 @@ module.exports = {
     // Main suite: all tests except the test/features folder
     {
       displayName: "main",
+      transform,
       testPathIgnorePatterns: [
         "<rootDir>/node_modules/",
         "<rootDir>/test/features/",
@@ -52,6 +55,7 @@ module.exports = {
     // Feature suites: one project per OPTIONS_MATRIX entry
     ...OPTIONS_MATRIX.map(({ displayName, OPTIONS }) => ({
       displayName: `features:${displayName}`,
+      transform,
       testMatch: ["<rootDir>/test/features/**/*.test.ts?(x)"],
       globals: { OPTIONS },
     })),

package.json

@@ -2,15 +2,15 @@
   "name": "js-confuser",
   "version": "2.1.2",
   "description": "JavaScript Obfuscation Tool.",
-  "main": "dist/index.js",
-  "types": "index.d.ts",
+  "main": "./dist/index.js",
+  "types": "./dist/index.d.ts",
   "scripts": {
-    "build": "tsc --noEmit && babel src --out-dir dist --extensions \".ts,.tsx\"",
-    "dev": "node babel.register.js",
+    "build": "npm run typecheck && tsdown",
+    "dev": "tsx dev.ts",
     "test": "cross-env NODE_OPTIONS=--experimental-vm-modules jest",
     "test:coverage": "cross-env NODE_OPTIONS=--experimental-vm-modules jest --coverage --coverageReporters=html",
     "typecheck": "tsc --noEmit",
-    "prepublishOnly": "npm run typecheck && npm run test && npm run build"
+    "prepublishOnly": "npm run test && npm run build"
   },
   "keywords": [
     "obfuscator",
@@ -30,24 +30,20 @@
     "lz-string": "^1.5.0"
   },
   "devDependencies": {
-    "@babel/cli": "^7.24.8",
-    "@babel/plugin-proposal-class-properties": "^7.18.6",
-    "@babel/plugin-proposal-decorators": "^7.24.7",
-    "@babel/plugin-proposal-private-methods": "^7.18.6",
-    "@babel/preset-env": "^7.25.3",
-    "@babel/preset-typescript": "^7.24.7",
-    "@babel/register": "^7.24.6",
-    "@eslint/js": "^9.9.0",
-    "@types/babel__core": "^7.20.5",
-    "@types/jest": "^29.5.14",
+    "@types/jest": "^30.0.0",
     "@types/node": "^22.2.0",
-    "babel-plugin-replace-import-extension": "^1.1.5",
     "cross-env": "^10.1.0",
     "globals": "^15.9.0",
-    "jest": "^29.7.0",
+    "jest": "^30.4.2",
+    "ts-jest": "^29.4.11",
+    "tsdown": "^0.22.2",
+    "tsx": "^4.22.4",
     "typescript": "^5.5.4",
     "typescript-eslint": "^8.1.0"
   },
+  "files": [
+    "dist"
+  ],
   "repository": {
     "type": "git",
     "url": "https://github.com/MichaelXF/js-confuser"

test/code/AES.test.js → test/code/AES.test.ts

@@ -1,4 +1,4 @@
-import { readFileSync, writeFileSync } from "fs";
+import { readFileSync } from "fs";
 import { join } from "path";
 import JsConfuser from "../../src/index";
 import { ok } from "assert";
@@ -21,7 +21,7 @@ test("Variant #1: AES-JS on 'High' Preset", async () => {
   eval(code);
 
   // Module.exports is now AES-JS
-  var aesjs = module.exports;
+  var aesjs = module.exports as Record<string, any>;
 
   // Ensure that the module is properly loaded
   expect(typeof aesjs).toStrictEqual("object");

test/code/ES6.test.ts

@@ -1,4 +1,4 @@
-import { readFileSync, writeFileSync } from "fs";
+import { readFileSync } from "fs";
 import { join } from "path";
 import JsConfuser from "../../src/index";
 
@@ -38,7 +38,7 @@ test("Variant #1: ES6 code on High Preset", async () => {
     preserveFunctionLength: true,
   });
 
-  const TEST_OUTPUT = {};
+  let TEST_OUTPUT = {};
   eval(code);
   expect(TEST_OUTPUT).toStrictEqual(EXPECTED_RESULT);
 });
@@ -61,7 +61,7 @@ test("Variant #2: ES6 code on High Preset + RGF + Self Defending + Tamper Protec
   // let newCode = `var TEST_OUTPUT;\n${code}\n\nconsole.log(TEST_OUTPUT);`;
   // writeFileSync("./dev.output.js", newCode, "utf-8");
 
-  const TEST_OUTPUT = {};
+  let TEST_OUTPUT = {};
   eval(code);
   expect(TEST_OUTPUT).toStrictEqual(EXPECTED_RESULT);
 });

test/code/StrictMode.test.js → test/code/StrictMode.test.ts

@@ -2,13 +2,13 @@ import { readFileSync } from "fs";
 import { join } from "path";
 import JsConfuser from "../../src/index";
 
-var StrictMode_JS = readFileSync(
+const StrictMode_JS = readFileSync(
   join(__dirname, "./StrictMode.src.js"),
   "utf-8"
 );
 
 test("Variant #1: StrictMode on High Preset", async () => {
-  var { code: output } = await JsConfuser.obfuscate(StrictMode_JS, {
+  const { code: output } = await JsConfuser.obfuscate(StrictMode_JS, {
     target: "node",
     preset: "high",
     pack: true,
@@ -18,9 +18,7 @@ test("Variant #1: StrictMode on High Preset", async () => {
     globalConcealing: (globalName) => globalName != "TEST_OUTPUT",
   });
 
-  //writeFileSync("./dev.output.js", output);
-
-  var TEST_OUTPUT = {};
+  const TEST_OUTPUT = {} as Record<string, any>;
 
   eval(output);
 

tsconfig.json

@@ -3,10 +3,10 @@
     "target": "esnext",
     "module": "nodenext",
     "outDir": "./dist",
-    "rootDir": "./",
     "strict": false,
-    "noEmit": true,
     "types": ["node", "jest"],
-    "allowImportingTsExtensions": true
-  }
+    "allowImportingTsExtensions": true,
+    "isolatedModules": true
+  },
+  "include": ["./src/**/*"]
 }

tsdown.config.ts

@@ -0,0 +1,7 @@
+module.exports = require("tsdown").defineConfig({
+  format: ["cjs"],
+  outExtensions: () => ({ js: ".js" }),
+  outputOptions: {
+    exports: "named",
+  },
+});