Code coverage report for src/node-transformers/node-obfuscators/LiteralObfuscator.ts

# All files / src/node-transformers/node-obfuscators LiteralObfuscator.ts

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100% Branches 8/8
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100% Lines 21/21

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

    import * as escodegen from 'escodegen';
    import * as ESTree from 'estree';

    import { ICustomNode } from '../../interfaces/custom-nodes/ICustomNode';
    import { IOptions } from '../../interfaces/options/IOptions';
    import { IReplacer } from '../../interfaces/node-transformers/IReplacer';
    import { IStorage } from '../../interfaces/storages/IStorage';

    import { NodeObfuscatorsReplacers } from '../../enums/container/NodeObfuscatorsReplacers';

    import { AbstractNodeTransformer } from '../AbstractNodeTransformer';
    import { Node } from '../../node/Node';

    @injectable()
    export class LiteralObfuscator extends AbstractNodeTransformer {
        /**
         * @type {(replacer: NodeObfuscatorsReplacers) => IReplacer}
         */
        private readonly replacersFactory: (replacer: NodeObfuscatorsReplacers) => IReplacer;

        /**
         * @param customNodesStorage
         * @param replacersFactory
         * @param options
         */
        constructor(
            @inject(ServiceIdentifiers['IStorage<ICustomNode>']) customNodesStorage: IStorage<ICustomNode>,
            @inject(ServiceIdentifiers['Factory<IReplacer>']) replacersFactory: (replacer: NodeObfuscatorsReplacers) => IReplacer,
            @inject(ServiceIdentifiers.IOptions) options: IOptions
        ) {
            super(customNodesStorage, options);

            this.replacersFactory = replacersFactory;
        }

        /**
         * @param literalNode
         * @param parentNode
         */
        public transformNode (literalNode: ESTree.Literal, parentNode: ESTree.Node): void {
            if (Node.isPropertyNode(parentNode) && parentNode.key === literalNode) {
                return;
            }

            let content: string;

            switch (typeof literalNode.value) {
                case 'boolean':
                    content = this.replacersFactory(NodeObfuscatorsReplacers.BooleanReplacer)
                        .replace(<boolean>literalNode.value);

                    break;

                case 'number':
                    content = this.replacersFactory(NodeObfuscatorsReplacers.NumberLiteralReplacer)
                        .replace(<number>literalNode.value);

                    break;

                case 'string':
                    content = this.replacersFactory(NodeObfuscatorsReplacers.StringLiteralReplacer)
                        .replace(<string>literalNode.value);

                    break;

                default:
                    return;
            }

            literalNode['x-verbatim-property'] = {
                content : content,
                precedence: escodegen.Precedence.Primary
            };
        }
    }