Switched form escodegen to @javascript-obfuscator/escodegen

Added tests for some es11/es12 features

src/JavaScriptObfuscator.ts

@@ -2,7 +2,7 @@ import { inject, injectable, } from 'inversify';
 import { ServiceIdentifiers } from './container/ServiceIdentifiers';
 
 import * as acorn from 'acorn';
-import * as escodegen from 'escodegen';
+import * as escodegen from '@javascript-obfuscator/escodegen';
 import * as ESTree from 'estree';
 
 import { TObfuscatedCodeFactory } from './types/container/source-code/TObfuscatedCodeFactory';

src/constants/EcmaVersion.ts

@@ -1,3 +1,3 @@
 import * as acorn from 'acorn';
 
-export const ecmaVersion: acorn.Options['ecmaVersion'] & number = 11;
+export const ecmaVersion: acorn.Options['ecmaVersion'] & number = 12;

src/declarations/ESTree.d.ts

@@ -1,7 +1,7 @@
 /* eslint-disable */
 
 import * as acorn from 'acorn';
-import * as escodegen from 'escodegen';
+import * as escodegen from '@javascript-obfuscator/escodegen';
 import * as eslintScope from 'eslint-scope';
 
 declare module 'estree' {

src/declarations/escodegen.d.ts

@@ -1,13 +1,18 @@
 /* eslint-disable */
 
-import * as ESTree from 'estree';
+declare module '@javascript-obfuscator/escodegen' {
+    import * as ESTree from 'estree';
+    import * as escodegen from 'escodegen';
+    export * from 'escodegen';
 
-import { IGeneratorOutput } from '../interfaces/IGeneratorOutput';
+    export interface IGeneratorOutput {
+        code: string;
+        map: string;
+    }
 
-declare module 'escodegen' {
     export interface XVerbatimProperty {
         content?: string;
-        precedence: Precedence;
+        precedence: escodegen.Precedence;
     }
 
     /**
@@ -15,5 +20,5 @@ declare module 'escodegen' {
      * @param options
      * @returns IGeneratorOutput
      */
-    export function generate (ast: ESTree.Node, options?: GenerateOptions): IGeneratorOutput;
+    export function generate (ast: ESTree.Node, options?: escodegen.GenerateOptions): IGeneratorOutput;
 }

src/node/NodeFactory.ts

@@ -1,5 +1,5 @@
 /* eslint-disable max-lines */
-import * as escodegen from 'escodegen';
+import * as escodegen from '@javascript-obfuscator/escodegen';
 import * as ESTree from 'estree';
 
 import { TStatement } from '../types/node/TStatement';

src/node/NodeUtils.ts

@@ -1,4 +1,4 @@
-import * as escodegen from 'escodegen';
+import * as escodegen from '@javascript-obfuscator/escodegen';
 import * as estraverse from 'estraverse';
 import * as ESTree from 'estree';