Code coverage report for src/node-obfuscators/VariableDeclarationObfuscator.js

# All files / src/node-obfuscators VariableDeclarationObfuscator.js

100% Statements 29/29
90.91% Branches 10/11
100% Functions 5/5
100% Lines 27/27

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     "use strict";
    const estraverse = require('estraverse');
    const NodeType_1 = require("../enums/NodeType");
    const NodeObfuscator_1 = require('./NodeObfuscator');
    const NodeUtils_1 = require("../NodeUtils");
    const Utils_1 = require('../Utils');
    class VariableDeclarationObfuscator extends NodeObfuscator_1.NodeObfuscator {
        constructor(...args) {
            super(...args);
            this.variableNames = new Map();
        }
        obfuscateNode(variableDeclarationNode, parentNode) {
            if (parentNode.type === NodeType_1.NodeType.Program) {
                return;
            }
            this.storeVariableNames(variableDeclarationNode);
            this.replaceVariableNames(variableDeclarationNode, parentNode);
        }
        storeVariableNames(variableDeclarationNode) {
            variableDeclarationNode.declarations
                .forEach((declarationNode) => {
                estraverse.traverse(declarationNode.id, {
                    enter: (node) => this.storeIdentifiersNames(node, this.variableNames)
                });
            });
        }
        replaceVariableNames(variableDeclarationNode, variableParentNode) {
            let scopeNode = variableDeclarationNode.kind === 'var' ? NodeUtils_1.NodeUtils.getBlockScopeOfNode(variableDeclarationNode) : variableParentNode, isNodeAfterVariableDeclaratorFlag = false;
            estraverse.replace(scopeNode, {
                enter: (node, parentNode) => {
                    const functionNodes = [
                        NodeType_1.NodeType.ArrowFunctionExpression,
                        NodeType_1.NodeType.FunctionDeclaration,
                        NodeType_1.NodeType.FunctionExpression
                    ];
                    if (Utils_1.Utils.arrayContains(functionNodes, node.type)) {
                        estraverse.replace(node, {
                            enter: (node, parentNode) => {
                                this.replaceIdentifiersWithRandomNames(node, parentNode, this.variableNames);
                            }
                        });
                    }
                    if (node === variableDeclarationNode) {
                        isNodeAfterVariableDeclaratorFlag = true;
                    }
                    if (isNodeAfterVariableDeclaratorFlag) {
                        this.replaceIdentifiersWithRandomNames(node, parentNode, this.variableNames);
                    }
                }
            });
        }
    }
    exports.VariableDeclarationObfuscator = VariableDeclarationObfuscator;
    //# sourceMappingURL=VariableDeclarationObfuscator.js.map