javascript-obfuscator/test/functional-tests/javascript-obfuscator-internal/JavaScriptObfuscatorInternal.spec.ts

import { ServiceIdentifiers } from '../../../src/container/ServiceIdentifiers';

import { assert } from 'chai';

import { IInversifyContainerFacade } from '../../../src/interfaces/container/IInversifyContainerFacade';
import { IJavaScriptObfuscator } from '../../../src/interfaces/IJavaScriptObfsucator';
import { IObfuscationResult } from '../../../src/interfaces/IObfuscationResult';

import { NO_CUSTOM_NODES_PRESET } from '../../../src/options/presets/NoCustomNodes';

import { InversifyContainerFacade } from '../../../src/container/InversifyContainerFacade';

describe('JavaScriptObfuscatorInternal', () => {
    describe(`setSourceMapUrl (url: string)`, () => {
        const code: string = 'var test = 1;';
        const sourceMapUrl: string = 'test.js.map';

        let inversifyContainerFacade: IInversifyContainerFacade,
            javaScriptObfuscator: IJavaScriptObfuscator;

        describe('variant #1: default behaviour', () => {
            const regExp: RegExp = new RegExp(`sourceMappingURL=${sourceMapUrl}`);

            let obfuscatedCode: string,
                sourceMapObject: any;

            before(() => {
                inversifyContainerFacade = new InversifyContainerFacade({
                    ...NO_CUSTOM_NODES_PRESET,
                    sourceMap: true,
                    sourceMapFileName: sourceMapUrl
                });
                javaScriptObfuscator = inversifyContainerFacade
                    .get<IJavaScriptObfuscator>(ServiceIdentifiers.IJavaScriptObfuscator);

                const obfuscationResult: IObfuscationResult = javaScriptObfuscator.obfuscate(code);

                obfuscatedCode = obfuscationResult.getObfuscatedCode();
                sourceMapObject = JSON.parse(obfuscationResult.getSourceMap());
            });

            it('should link obfuscated code with source map', () => {
                assert.match(obfuscatedCode, regExp);
            });

            it('should return valid source map with `mappings` property', () => {
                assert.isOk(sourceMapObject.mappings);
            });
        });

        describe('variant #2: `sourceMapBaseUrl` is set', () => {
            const sourceMapBaseUrl: string = 'http://localhost:9000';
            const regExp: RegExp = new RegExp(`sourceMappingURL=${sourceMapBaseUrl}/${sourceMapUrl}$`);

            let obfuscatedCode: string,
                sourceMapObject: any;

            before(() => {
                inversifyContainerFacade = new InversifyContainerFacade({
                    ...NO_CUSTOM_NODES_PRESET,
                    sourceMap: true,
                    sourceMapBaseUrl: sourceMapBaseUrl,
                    sourceMapFileName: sourceMapUrl
                });
                javaScriptObfuscator = inversifyContainerFacade
                    .get<IJavaScriptObfuscator>(ServiceIdentifiers.IJavaScriptObfuscator);

                const obfuscationResult: IObfuscationResult = javaScriptObfuscator.obfuscate(code);

                obfuscatedCode = obfuscationResult.getObfuscatedCode();
                sourceMapObject = JSON.parse(obfuscationResult.getSourceMap());
            });

            it('should properly add base url to source map import inside obfuscated code', () => {
                assert.match(obfuscatedCode, regExp);
            });

            it('should return valid source map with `mappings` property', () => {
                assert.isOk(sourceMapObject.mappings);
            });
        });
    });
});