Merge pull request #705 from javascript-obfuscator/disable-console-output-proto

Fixed console functions prototype

src/custom-code-helpers/console-output/templates/ConsoleOutputDisableTemplate.ts

@@ -14,7 +14,9 @@ export function ConsoleOutputDisableTemplate (): string {
                 const methodName = methods[index];
                 const originalFunction = consoleObject[methodName] || func;
 
+                func.__proto__ = {callControllerFunctionName}.bind({callControllerFunctionName});
                 func.toString = originalFunction.toString.bind(originalFunction);
+                
                 consoleObject[methodName] = func;
             }
         });

test/functional-tests/custom-code-helpers/console-output/templates/ConsoleOutputDisableTemplate.spec.ts

@@ -44,13 +44,15 @@ const getPartialConsoleObjectGlobalVariableTemplate: () => string = () => `
 /**
  * @param templateData
  * @param {string} callsControllerFunctionName
- * @param {string} consoleMethod
+ * @param {keyof Console} consoleMethod
+ * @param {string} additionalCode
  * @returns {Function}
  */
 function getFunctionFromTemplate (
     templateData: any,
     callsControllerFunctionName: string,
-    consoleMethod: keyof Console
+    consoleMethod: keyof Console,
+    additionalCode: string = ''
 ): Function {
     const formattedTemplate: string = format(ConsoleOutputDisableTemplate(), templateData);
 
@@ -67,6 +69,8 @@ function getFunctionFromTemplate (
 
         console.${consoleMethod}(1);
         console.${consoleMethod}.toString();
+        
+        ${additionalCode}
     `);
 }
 
@@ -186,6 +190,31 @@ describe('ConsoleOutputDisableTemplate', () => {
         });
     });
 
+    describe('`bind` call', () => {
+        consoleMethods.forEach((consoleMethodName: keyof Console, index: number) => {
+            describe(`Variant #${index + 1}: \`console.${consoleMethodName}\` call`, () => {
+                let testFunc: () => void;
+
+                beforeEach(() => {
+                    testFunc = () => getFunctionFromTemplate(
+                        {
+                            consoleLogDisableFunctionName,
+                            callControllerFunctionName,
+                            globalVariableTemplate: GlobalVariableTemplate1(),
+                        },
+                        callControllerFunctionName,
+                        consoleMethodName,
+                        `console.${consoleMethodName}.bind();`
+                    )();
+                });
+
+                it(`should does not throw error during \`console.${consoleMethodName}.bind\` call`, () => {
+                    assert.doesNotThrow(testFunc);
+                });
+            });
+        });
+    });
+
     afterEach(() => {
         consoleObjectStubs.forEach((stub: sinon.SinonStub) => stub.restore());
     });