Code coverage report for src/node-transformers/obfuscating-transformers/LiteralTransformer.ts

# All files / src/node-transformers/obfuscating-transformers LiteralTransformer.ts

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100% Branches 10/10
100% Functions 2/2
100% Lines 24/24

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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 { TObfuscationReplacerFactory } from '../../types/container/TObfuscationReplacerFactory';

    import { IOptions } from '../../interfaces/options/IOptions';
    import { IVisitor } from '../../interfaces/IVisitor';

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

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

    @injectable()
    export class LiteralTransformer extends AbstractNodeTransformer {
        /**
         * @type {TObfuscationReplacerFactory}
         */
        private readonly obfuscationReplacerFactory: TObfuscationReplacerFactory;

        /**
         * @param obfuscationReplacerFactory
         * @param options
         */
        constructor (
            @inject(ServiceIdentifiers.Factory__IObfuscationReplacer) obfuscationReplacerFactory: TObfuscationReplacerFactory,
            @inject(ServiceIdentifiers.IOptions) options: IOptions
        ) {
            super(options);

            this.obfuscationReplacerFactory = obfuscationReplacerFactory;
        }

        /**
         * @return {IVisitor}
         */
        public getVisitor (): IVisitor {
            return {
                enter: (node: ESTree.Node, parentNode: ESTree.Node) => {
                    if (Node.isLiteralNode(node)) {
                        return this.transformNode(node, parentNode);
                    }
                }
            };
        }

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

            let content: string;

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

                    break;

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

                    break;

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

                    break;

                default:
                    return literalNode;
            }

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

            return literalNode;
        }
    }