gulp and babel

.babelrc

@@ -0,0 +1,19 @@
+{
+  "presets": [
+    ["@babel/preset-env", {
+      "targets": {
+        "browsers": ["last 2 versions", "safari >= 7", "ie >= 10"]
+      }
+    }]
+  ],
+  "plugins": [
+    "@babel/plugin-proposal-optional-chaining",
+    "@babel/plugin-proposal-pipeline-operator",
+    "@babel/plugin-proposal-nullish-coalescing-operator",
+    "@babel/plugin-transform-async-to-generator",
+    "@babel/plugin-proposal-object-rest-spread",
+    "@babel/plugin-proposal-optional-catch-binding",
+    "@babel/plugin-proposal-async-generator-functions",
+    "@babel/plugin-transform-exponentiation-operator"
+  ]
+}

.eslintrc.js

@@ -0,0 +1,16 @@
+module.exports = {
+  parser: 'babel-eslint',
+  rules: {
+    'prefer-const': ['error', { destructuring: 'all' }],
+    'semi-spacing': ['error', { 'before': false, 'after': true }],
+    'space-infix-ops': ['error'],
+    'keyword-spacing': ['error'],
+    'comma-dangle': ['error', 'always-multiline'],
+    'indent': ['error', 2, {
+      FunctionDeclaration: { parameters: 'first' },
+      FunctionExpression: { parameters: 'first' },
+      SwitchCase: 1,
+      MemberExpression: 'off',
+    }],
+  },
+};

.vscode/settings.json

@@ -0,0 +1,5 @@
+{
+  "editor.detectIndentation": false,
+  "editor.insertSpaces": true,
+  "editor.tabSize": 2
+}

gulpfile.babel.js

@@ -0,0 +1,45 @@
+import gulp from 'gulp';
+import babel from 'gulp-babel';
+import uglify from 'gulp-uglify';
+import rename from 'gulp-rename';
+import clean from 'gulp-clean';
+import { Server } from 'karma';
+
+gulp.task('clean', () =>
+  gulp.src('dist', { read: false })
+		.pipe(clean())
+);
+
+gulp.task('babel', ['clean'], () =>
+  gulp.src('src/angular-vs-repeat.js')
+		.pipe(babel())
+		.pipe(gulp.dest('dist'))
+);
+
+gulp.task('min', ['babel'], () =>
+  gulp.src('dist/angular-vs-repeat.js')
+		.pipe(uglify())
+		.pipe(rename('angular-vs-repeat.min.js'))
+		.pipe(gulp.dest('dist'))
+);
+
+gulp.task('karma', ['build'], (done) => {
+  new Server({
+    configFile: __dirname + '/karma.conf.js',
+    singleRun: true,
+  }, done).start();
+});
+
+gulp.task('karma-travis', ['build'], (done) => {
+  new Server({
+    configFile: __dirname + '/karma.conf.js',
+    singleRun: true,
+    browsers: [
+      'Firefox',
+    ],
+  }, done).start();
+});
+
+gulp.task('build', ['clean', 'babel', 'min']);
+gulp.task('test', ['build', 'karma']);
+gulp.task('travis', ['build', 'karma-travis']);

karma.conf.js

@@ -1,12 +1,11 @@
 module.exports = function(config) {
 	config.set({
-		frameworks: ['mocha'],
+		frameworks: ['mocha', 'chai'],
 
 		// list of files / patterns to load in the browser
 		files: [
-			'node_modules/expect.js/index.js',
 			'lib/angular.js',
-			'src/angular-vs-repeat.min.js',
+			'dist/angular-vs-repeat.min.js',
 			'lib/angular-mocks.js',
 			'test/spec.js',
 		],
@@ -62,6 +61,7 @@ module.exports = function(config) {
 
 		plugins: [
 			'karma-mocha',
+			'karma-chai',
 			'karma-chrome-launcher',
 			'karma-firefox-launcher'
 		]