# All files / src/custom-nodes/domain-lock-nodes/group DomainLockCustomNodeGroup.ts

97.22% Statements 35/36
75% Branches 3/4
100% Functions 3/3
96.97% Lines 32/33

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     import { injectable, inject } from 'inversify';
    import { ServiceIdentifiers } from '../../../container/ServiceIdentifiers';

    import { TCustomNodeFactory } from '../../../types/container/TCustomNodeFactory';
    import { TNodeWithBlockStatement } from '../../../types/node/TNodeWithBlockStatement';
    import { TObfuscationEvent } from '../../../types/event-emitters/TObfuscationEvent';

    import { ICustomNode } from '../../../interfaces/custom-nodes/ICustomNode';
    import { IObfuscationEventEmitter } from '../../../interfaces/event-emitters/IObfuscationEventEmitter';
    import { IOptions } from '../../../interfaces/options/IOptions';
    import { IStackTraceData } from '../../../interfaces/stack-trace-analyzer/IStackTraceData';

    import { initializable } from '../../../decorators/Initializable';

    import { CustomNodes } from '../../../enums/container/CustomNodes';
    import { ObfuscationEvents } from '../../../enums/ObfuscationEvents';

    import { AbstractCustomNodeGroup } from '../../AbstractCustomNodeGroup';
    import { NodeAppender } from '../../../node/NodeAppender';
    import { RandomGeneratorUtils } from '../../../utils/RandomGeneratorUtils';

    @injectable()
    export class DomainLockCustomNodeGroup extends AbstractCustomNodeGroup {
        /**
         * @type {TObfuscationEvent}
         */
        protected readonly appendEvent: TObfuscationEvent = ObfuscationEvents.BeforeObfuscation;

        /**
         * @type {TCustomNodeFactory}
         */
        private readonly customNodeFactory: TCustomNodeFactory;

        /**
         * @type {Map<CustomNodes, ICustomNode>}
         */
        @initializable()
        protected customNodes: Map <CustomNodes, ICustomNode>;

        /**
         * @type {IObfuscationEventEmitter}
         */
        private readonly obfuscationEventEmitter: IObfuscationEventEmitter;

        /**
         * @param customNodeFactory
         * @param obfuscationEventEmitter
         * @param options
         */
        constructor (
            @inject(ServiceIdentifiers['Factory<ICustomNode>']) customNodeFactory: TCustomNodeFactory,
            @inject(ServiceIdentifiers.IObfuscationEventEmitter) obfuscationEventEmitter: IObfuscationEventEmitter,
            @inject(ServiceIdentifiers.IOptions) options: IOptions
        ) {
            super(options);

            this.customNodeFactory = customNodeFactory;
            this.obfuscationEventEmitter = obfuscationEventEmitter;
        }

        /**
         * @param blockScopeNode
         * @param stackTraceData
         */
        public appendCustomNodes (blockScopeNode: TNodeWithBlockStatement, stackTraceData: IStackTraceData[]): void {
            const randomStackTraceIndex: number = NodeAppender.getRandomStackTraceIndex(stackTraceData.length);

            // domainLockNode append
            this.appendCustomNodeIfExist(CustomNodes.DomainLockNode, (customNode: ICustomNode) => {
                NodeAppender.appendNodeToOptimalBlockScope(
                    stackTraceData,
                    blockScopeNode,
                    customNode.getNode(),
                    randomStackTraceIndex
                );
            });

            // nodeCallsControllerFunctionNode append
            this.appendCustomNodeIfExist(CustomNodes.NodeCallsControllerFunctionNode, (customNode: ICustomNode) => {
                let targetBlockScope: TNodeWithBlockStatement;

                Iif (stackTraceData.length) {
                    targetBlockScope = NodeAppender.getOptimalBlockScope(stackTraceData, randomStackTraceIndex, 1);
                } else {
                    targetBlockScope = blockScopeNode;
                }

                NodeAppender.prependNode(targetBlockScope, customNode.getNode());
            });
        }

        public initialize (): void {
            this.customNodes = new Map <CustomNodes, ICustomNode> ();

            if (!this.options.domainLock.length) {
                return;
            }

            const callsControllerFunctionName: string = RandomGeneratorUtils.getRandomVariableName();

            const domainLockNode: ICustomNode = this.customNodeFactory(CustomNodes.DomainLockNode);
            const nodeCallsControllerFunctionNode: ICustomNode = this.customNodeFactory(CustomNodes.NodeCallsControllerFunctionNode);

            domainLockNode.initialize(callsControllerFunctionName);
            nodeCallsControllerFunctionNode.initialize(this.appendEvent, callsControllerFunctionName);

            this.customNodes.set(CustomNodes.DomainLockNode, domainLockNode);
            this.customNodes.set(CustomNodes.NodeCallsControllerFunctionNode, nodeCallsControllerFunctionNode);
        }
    }