javascript-obfuscator/src/nodes/ConsoleOutputDisableExpressionNode.js

"use strict";
const esprima = require('esprima');
const estraverse = require('estraverse');
const Node_1 = require('./Node');
const NodeUtils_1 = require("../NodeUtils");
class ConsoleOutputDisableExpressionNode extends Node_1.Node {
    constructor(astTree) {
        super();
        this.astTree = astTree;
        this.node = this.getNodeStructure();
    }
    appendNode() {
        estraverse.replace(this.astTree, {
            leave: (node, parent) => {
                if (NodeUtils_1.NodeUtils.isProgramNode(node)) {
                    NodeUtils_1.NodeUtils.prependNode(node.body, this.getNode());
                    return estraverse.VisitorOption.Break;
                }
                return estraverse.VisitorOption.Skip;
            }
        });
    }
    getNodeStructure() {
        return NodeUtils_1.NodeUtils.getBlockScopeNodeByIndex(esprima.parse(`
                (function () {
                    var _ = '(\u0004\u0006\u0003\u0005[]' + '["filter"]["\u0007tructor"]' + '("return this")()' + '.' + '\u0003;\u0006\u0002\u0005\u0004};' + '_\u0003.log\u0001.in' + 'fo\u0001.' + 'war' + 'n\u0001.er' + 'r' + 'or\u0001})();' + '\u0001\u0005_\u0002;' + '_\u0003\u0002function' + '\u0003\u0007ole\u0004\u0002 ()' + '{\u0005 = \u0006var ' + '_\u0007cons', 
                        Y, 
                        $;
                    
                    for (Y in $ = "\u0007\u0006\u0005\u0004\u0003\u0002\u0001") {
                      var arr = _.split($[Y]);
                      _ = arr.join(arr.pop());
                    }
                    
                    []["filter"]["constructor"](_)();
                })()
            `));
    }
}
exports.ConsoleOutputDisableExpressionNode = ConsoleOutputDisableExpressionNode;