initial first submission

.gitignore

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+node_modules
+dist
+.DS_Store

karma.conf.js

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+// Karma configuration
+// Generated on Fri Jul 03 2020 20:15:52 GMT+0700 (Western Indonesia Time)
+module.exports = function (config) {
+  config.set({
+
+    // base path that will be used to resolve all patterns (eg. files, exclude)
+    basePath: '',
+
+    // frameworks to use
+    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
+    frameworks: ['jasmine'],
+
+    // list of files / patterns to load in the browser
+    files: [
+      'specs/**/*Spec.js',
+    ],
+
+    // list of files / patterns to exclude
+    exclude: [],
+
+    // preprocess matching files before serving them to the browser
+    // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
+    preprocessors: {
+      'specs/**/*Spec.js': ['webpack', 'sourcemap'],
+    },
+
+    webpack: {
+      // karma watches the test entry points
+      // (you don't need to specify the entry option)
+      // webpack watches dependencies
+      // webpack configuration
+      devtool: 'inline-source-map',
+      mode: 'development',
+    },
+
+    webpackMiddleware: {
+      // webpack-dev-middleware configuration
+      // i. e.
+      stats: 'errors-only',
+    },
+
+    // test results reporter to use
+    // possible values: 'dots', 'progress'
+    // available reporters: https://npmjs.org/browse/keyword/karma-reporter
+    reporters: ['progress'],
+
+    // web server port
+    port: 9876,
+
+    // enable / disable colors in the output (reporters and logs)
+    colors: true,
+
+    // level of logging
+    /* possible values: config.LOG_DISABLE || config.LOG_ERROR
+    || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG */
+    logLevel: config.LOG_INFO,
+
+    // enable / disable watching file and executing tests whenever any file changes
+    autoWatch: true,
+
+    // start these browsers
+    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
+    browsers: ['Chrome'],
+
+    // Continuous Integration mode
+    // if true, Karma captures browsers, runs the tests and exits
+    singleRun: false,
+
+    // Concurrency level
+    // how many browser should be started simultaneous
+    concurrency: Infinity,
+  });
+};